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DEMO MANUAL DC2064A
LTC3300-1/LTC6803-2
Bidirectional Cell Balancer
DESCRIPTION
Demonstration Circuit DC2064A is a bidirectional cell
balancer using two LTC®3300-1 ICs to achieve active cell
balancing of up to 12 Li-Ion batteries. The board uses the
LTC6803-2 multi-cell addressable battery stack monitor to
measure cell voltages and two LTC3300-1 ICs to provide
active cell balancing. The demonstration circuit uses a two
window GUI developed for the DC2064A. One window is
a modified version of the GUI for the LTC6803‑2 and also
contains a tab to control the LTC3300-1 ICs through the
DC590B USB Serial controller and the second window
PERFORMANCE SUMMARY
reports the status of the LTC3300-1 devices. All the
functions of the LTC6803-2 GUI are supported except
that cell balancing is achieved through the LTC3300-1
ICs by transferring charge from one to six batteries per
LTC3300-1 to the stack or from the stack to one to six
batteries per LTC3300-1.
Design files for this circuit board are available at
http://www.linear.com/demo
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
Specifications are at TA = 25°C
Battery Voltage Range
3.2V to 4.5V (2.5V to 4.5V)*
Stack Voltage
60V Max
Average Battery Balancing Charge Current (12 Cell)
2.6A (Typ) (4A)*
Average Battery Balancing Discharge Current (12 Cell)
2.4A (Typ) (3.6A)*
Average Battery Balancing Charge Current (6 Cell)
2.2A (Typ) (3.3A)*
Average Battery Balancing Discharge Current (6 Cell)
2.4A (Typ) (3.6A)*
Balancing Efficiency
92% (Typ)
*The battery voltage range may be expanded to 2.5V-4.5V by changing resistor RTONS to 19.1k and resistor RTONP to 29.4k.
The demo board’s average balancing current is adjustable up to 4A by scaling and installing new values of RS1A and RS1B through RS12A and RS12B.
BOARD PHOTO
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DEMO MANUAL DC2064A
DESCRIPTION
Power Stage Discharge Efficiency
Power Stage Charge Efficiency
100
100
95
95
EFFICIENCY (%)
EFFICIENCY (%)
6-CELL
12-CELL
90
85
80
75
6-CELL
12-CELL
90
85
80
2.6
2.8
3.0 3.2 3.4
3.6
CELL VOLTAGE (V)
3.8
4.0
75
2.6
2.8
3.0 3.2 3.4
3.6
CELL VOLTAGE (V)
3.8
4.0
Figure 1. DC2064A Size 5.5" × 12.2"
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DEMO MANUAL DC2064A
OPERATING PRINCIPLE
Operation of the LTC6803-2 is detailed in the LTC6803-2
data sheet and the operation of the DC2064A GUI is similar
to the DC1652A GUI except additional functionality was
added to control the LTC3300-1 balancing devices. Refer
to the Quick Start Guide for the DC1652B for operation
of the LTC6803-2 GUI. The DC2064A has a two window
GUI, one window based on the DC1652A GUI to control
the LTC6803-2 with a tab to control the LTC3300-1 for
battery balancing and the second window to display the
status of the LTC3300-1 based on the command and status
registers read from the LTC3300-1.
The LTC3300-1 active balancer is a power stage control
IC. The LTC3300-1 does not have a balancer algorithm
built into it. The determination of the balancing times and
directions are performed at a system level and conveyed to
the LTC3300-1 through its SPI interface. The LTC3300‑1
only accepts battery charge or discharge commands.
Charge is transferred to/from a cell (battery) from/to the
stack, a series connection of adjacent cells, through a
flyback converter that is operating in boundary mode.
During discharge of a cell, the current in the primary of
a coupled inductor transformer with a turns ratio of 1:2,
ramps up to 6.25A at which point the primary switch turns
off. The charge in the primary inductor is transferred to
the secondary inductor which is connected across the
12-cell pack. This pack current then passes through the
series connected cells thus distributing the charge equally
across each cell. When charging a cell, the current, in the
secondary of the coupled inductor transformer, ramps up
to 3.125A at which point the secondary switch turns off.
The charge in the secondary inductor is transferred to the
primary inductor which is connected across the cell. The
secondary current is drawn from the series connected
cells thus removing charge equally across each cell. The
efficiency through the flyback converter is ≈92%.
QUICK START PROCEDURE
The demonstration circuit is set up per Figure 27 to evaluate
the performance of the DC2064A bidirectional cell balancer
using the LTC3300-1.
Caution: BOT6_TS and TOP6_TS turrets must not be allowed to float and must be connected to their respective
top of stack-battery terminal.
Follow the procedure outlined in the DC1835A Quick
Start Guide for general use of the modified LTC6803-2
GUI window. The 4-bit board ID code that is set by the
A0 through A3 jumpers on the DC2064A must match the
board Address box in the LTC6803-2 GUI window shown
in Figure 2 for each board in the system.
Using short twisted-pair leads for any power connections, refer to Figure 27 for the proper measurement and
equipment setup. When installing the batteries start with
Cell 1 and progress to Cell 12. Remove batteries in the
reverse order. The DC2064A will support a system of 4
to 12 batteries.
Figure 2. Board Address Box
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DEMO MANUAL DC2064A
QUICK START PROCEDURE
The Voltage Comparator box must be turned off and the
VREF must remain on during balancing. Set window by
using the Up/Down arrows to the right of the box. See
Figure 3.
Click the START CELL VOLT button followed by the READ
CELL VOLT to verify that the batteries are connected and
that the LTC6803-2 can read the battery voltages.
Figure 3. Voltage Comparator Box
The DC2064A GUI periodically checks for OV and UV
measured on the cells when balancing. To avoid the
program from suspending balancing from an OV or UV
measurement during normal operation, the OV and UV
values must be entered in the VOV and VUV text boxes
on the LTC6803-2 tab shown in Figure 4.
Figure 6. Start Cell Voltage Read Box
To access the LTC3300-1 screen, click on the LTC3300-1
tab in the upper left of the LTC6803-2 GUI window.
Figure 7. LTC3300-1 Screen Select Box
Within this window you can manually select which cells
are to be discharged by clicking the cell’s DISCHARGE
button and which cells are to be charged by clicking the
cell’s CHARGE button.
Figure 4. VOV and VUV text boxes
Once this is done, Click the WRITE CONFIG button and
verify that the configuration was set correctly by clicking
the READ CONFIG.
Figure 8. Balance Mode Select Boxs
Figure 5. Write Configuration Box
To write this configuration, the WRITE button followed by
the SEND button must be clicked. To enable the balancers,
the EXECUTE button followed by the SEND button must be
clicked. To pause the cell balancers, the SUSPEND button
is clicked followed by clicking the SEND button. This will
turn off all balancers until the EXECUTE button is clicked
followed by clicking the SEND button. This will resume
the previous settings of the cell charge/discharge settings.
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DEMO MANUAL DC2064A
QUICK START PROCEDURE
To do this, select the DISCHARGE or CHARGE button for
the desired cell, then enter the time in seconds into the
cells “BALANCE TIME” text box. Press the enter key on
the key board or select another button in the GUI to load
the time. When all the desired balance actions and times
have been entered, select the “Balance Cells” START button to start the balancing sequence.
Figure 9. Write/Execute Command Box
To change any of the settings “on the fly”, a new charge/
discharge setting is entered using the respective CHARGE
and DISCHARGE buttons followed by clicking the WRITE
button followed by the SEND button and then the EXECUTE
button followed by the SEND button. To disable any cell
from operating, the cell’s NONE button must be clicked
in the balance mode box followed by clicking the WRITE
button followed by the SEND button and then the EXECUTE
button followed by the SEND button.
The LTC3300-1 GUI allows the user to program the balancer to charge or discharge each cell for a specific amount
of time. The LTC3300-1 is a power stage control IC. The
determination of the balancing times and directions are
done at the System level and conveyed to the LTC3300-1
through its SPI communications port. In order to perform
a timed balance, the TIMED BALANCE check shown in
Figure 10 must be selected to have access to the timed
balance controls as shown in Figure 25.
Figure 10. TIMED BALANCE Check Box
Figure 11. Balance Cells Start Box
The START button will display PAUSE. The balancing
algorithm will first turn off all cells, then set all cells to
be balanced. The cells will run until the first cell(s) have
elapsed their balance time. At this time all cell balancing is
suspended, the completed cell’s balancing action is set to
“None”, the remaining times to balance are recalculated,
then the remaining cells continue to balance until the next
cell(s) have completed. This sequence continues until all
of the balance times have elapsed.
Selecting the PAUSE button while the balancer is running,
will shut off the active cell and pause the timer. The START
button now displays CONTINUE. Selecting the CONTINUE
button again will start the active cell balancing and continue
the timer. After the last cell has completed balancing, all
the cells are turned off. The START button will again display
START. Selecting the RESET button will reset all the cell
actions and times to the previous entered settings.
The LTC3300 STATUS window displays the status of all
LTC3300-1 ICs in the system. This GUI is updated every
time the LTC3300-1 status or command registers are read.
When the balancer timer is running, the command register
is read after each execute command is sent.
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DEMO MANUAL DC2064A
QUICK START PROCEDURE
Cell Balancer Efficiency Measurements:
Cells 7-12
Figure 28 shows the proper connections for measuring
the efficiency of a cell balancer. The secondary of the cell
balancer connects to the top of stack. This connection
needs to be to an isolated power source through a current
sensing resistor (0.10Ω). Cells 1 through 6 are connected
to the BOT6_TS turret with its return path the V– turret
while Cells 7 through 12 are connected to the TOP6_TS
turret with its return path the C6 turret. The primary side
connections of the cell balancers are connected to a string
of batteries that simulate the battery stack. Cell 1 is a 2-wire
connection that connects the positive node, through a
current sensing resistor (0.01Ω), to the C1 turret, and the
negative node to the V– turret. Remote sense connections
for power sources with remote sensing capabilities should
be connected to the C1 and V– respectively. All other
connections of the simulated string of batteries connect
their positive node, through a current sensing resistor
(0.01Ω), to respective turrets. Cell voltage measurements
should be made across the C(x) and C(x – 1) turrets of
the respective cells. Stack voltage measurements should
be made at the BOT6_TS and TOP6_TS turrets and their
return path turret.
Charge Mode
To calculate cell balancer efficiency use the expressions
below:
Cells 1-6
Charge Mode
Efficiency 1 =
Vm1 •Vm2 •10
•100%
Vm3 •Vm4
Efficiency 11 =
Vm5 •Vm6 •10
•100%
Vm7 •Vm8
Discharge Mode
Efficiency 11 =
Vm7 •Vm8
•100%
Vm5 •Vm6 •10
Cell Balancer Performance Measurements:
Table 2 through Table 5 present the typical operational data
for a 12-cell and 6-cell balancer in both Discharge and
Charge modes. The cell voltages were 3.6V and measurements of Cell Current, Stack Current, Operating Frequency
were taken and transfer Efficiency was calculated from
the data. Figure 12 through Figure 15 are actual in circuit
waveforms taken on Cell 1 and Cell 7 while operating in
both modes. The waveforms present voltage on the primary side and secondary side MOSFET’s drain to source
voltage and the primary side and secondary side current
sense inputs to the LTC3300-1.
Figures 16 through 19 are cell and stack currents taken
over a range of cell voltages from 2.6V to 4.0V. The RTONP
and RTONS resistors for these graphs were set for 2.6V
cell voltage operation. All cells were set to the cell voltage
under test. The slight negative slope in current at higher
voltages is due to the increased operating frequency
and the circuit delays and dead time becoming a higher
percent-age of the operating period.
Discharge Mode
Efficiency 1 =
Vm3 •Vm4
•100%
Vm1 •Vm2 •10
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DEMO MANUAL DC2064A
QUICK START PROCEDURE
12 Cell Discharge
6 Cell Discharge
Table 2. Typical 12 Cell Discharge Data
Table 4. Typical 6 Cell Discharge Data
Cell I (A)
Stack I (A)
Frequency (kHz)
Efficiency
Cell I (A)
Stack I (A)
Frequency (kHz)
Efficiency
2.444
0.188
127.7
92.21%
2.448
0.277
126.1
92.33%
Figure 12. 12 Cell Discharge Waveforms
Figure 14. 6 Cell Discharge Waveforms
12 Cell Charge
6 Cell Charge
Table 3. Typical 12 Cell Charge Data
Table 5. Typical 6 Cell Charge Data
Cell I (A)
Stack I (A)
Frequency (kHz)
Efficiency
Cell I (A)
Stack I (A)
Frequency (KHz)
Efficiency
2.601
0.237
149.1
91.71%
2.219
0.399
133.1
92.72%
Figure 13. 12 Cell Charge Waveforms
Figure 15. 6 Cell Charge Waveforms
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DEMO MANUAL DC2064A
4.0
4.0
3.5
3.5
CELL CHARGE CURRENT (A)
CELL DISCHARGE CURRENT (A)
QUICK START PROCEDURE
3.0
12-CELL
2.5
6-CELL
2.0
1.5
1.0
2.6
2.8
3.6
3.0 3.2 3.4
CELL VOLTAGE (V)
3.8
3.0
12-CELL
2.5
6-CELL
2.0
1.5
1.0
2.6
4.0
0.50
0.50
0.45
0.45
0.40
6-CELL
0.35
0.30
0.25
12-CELL
0.20
0.15
0.10
2.6
3.6
3.0 3.2 3.4
CELL VOLTAGE (V)
3.8
4.0
Figure 18. Cell Charge Current
STACK CHARGE CURRENT (A)
STACK DISCHARGE CURRENT (A)
Figure 16. Cell Discharge Current
2.8
6-CELL
0.40
0.35
0.30
12-CELL
0.25
0.20
0.15
2.8
3.2 3.4 3.6
CELL VOLTAGE (V)
3.0
3.8
4.0
Figure 17. Stack Discharge Current
0.10
2.6
2.8
3.2 3.4 3.6
CELL VOLTAGE (V)
3.0
3.8
4.0
Figure 19. Stack Charge Current
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DEMO MANUAL DC2064A
QUICK START PROCEDURE
Two Board Setup and Operation:
As a result of communication latency to the PC, the system
only supports two series DC2064A boards
When connecting two DC2064A boards together, the interface cables must be connected in sequence as shown
in Figure 20 to avoid large inrush currents. The DC590B
DC2064A
must be connected to the PC USB port and the bottom
DC2064A board first and then the top DC2064A board
may be connected.
The 24 cells should be interconnected to allow balancing
between the two 12-cell stacks, as shown in Figure 21.
DC2064A
Figure 20. Two DC2064A SPI Connection Sequence
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DEMO MANUAL DC2064A
QUICK START PROCEDURE
Figure 21. 24 Cell Interconnected Stacks
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DEMO MANUAL DC2064A
QUICK START PROCEDURE
On the LTC6803-2 tab on the DC2064A GUI, the Number
of Boards in the System drop down box will need to be
changed to 2. Make sure the address for each board in
the Hex Address box matches the address set by the A0
to A3 jumpers on the respective DC2064A board. The
board selection buttons on the bottom left side of the GUI
highlight which board is selected in maroon, as shown
and the set hexadecimal address is displayed under each
board. To change the hexadecimal address on the GUI,
select the board to change by clicking on the appropriate
board selection number and then select the correct address in the Hex Address Box.
Figure 22. DC2064A GUI Board Selection Controls
To set up the charge and discharge actions for each
LTC3300, the appropriate board must be selected first and
then the commands for each LTC3300-1 can be selected
and written to the LTC3300-1 tab. When all the desired
actions are selected and written to the four LTC3300-1
ICs, then a single execute command will send an execute
command to both boards simultaneously provided the
Broadcast Execute/Suspend button is selected as shown
in Figure 23.
Additional Circuitry
Additional circuitry has been added to increase the robustness of the design for fault insertions.
Cell 6 Wire Disconnection
A 10A 200V Schottky diode has been added for a high
current path when the connection between battery cells
is broken when a battery stack load is present. The 200V
reverse voltage rating of the diode was selected to mini-mize
the reverse leakage current at a battery voltage of 4.2V.
The 10A current rating was selected for its low forward
voltage drop which will minimize the current in the parallel
diode within the LTC3300-1 as well as surviving the fusing
current of the 7A fuses on the DC2064A.
Two overvoltage detection circuits have been added to the
design that will sense an overvoltage condition on Cell 6
and Cell 7 when a disconnection of the Cell 6 wire connection between battery Cell 6+ and battery Cell 7– of the
battery stack occurs. When Cell 6 is being discharged and
other cells controlled by the U1, the lower LTC3300-1, and
U2, the upper LTC3300-1 are operational, an overvoltage
can occur on Cell 7. The overvoltage on Cell 7 will shut
down the operation of Cell 7-Cell 12 but Cell 1-Cell 6 will
continue to operate. The overvoltage sensing circuit Q15,
D21, D23 and R51 will turn off the operations of Cell 1-Cell 6
through the internal overvoltage protection circuit within
the LTC3300-1 of U1.
A similar event occurs when Cell 6 is operating in the
Charge Mode and the Cell 6 connection from the board
to the battery is lost. The overvoltage on Cell 6 will shut
down the operation of Cell 1-Cell 6 but Cell 7- Cell 12 will
continue to operate. The overvoltage sensing circuit Q16,
D22, D24 and R52 will turn off the operations of Cell 7-Cell
12 through the internal overvoltage protection circuit within
the LTC3300-1 of U2.
Figure 23. Broadcast Execute/Suspend Tab
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DEMO MANUAL DC2064A
QUICK START PROCEDURE
Cell Bypass Capacitors
The DC2064 contains bypass capacitors between the cell
connections and the stack connections. These capacitors
are intended to smooth the high current triangular wave
before they travel down the interconnection wires to the
cells within the stack and the secondary stack connections.
The RMS current rating of these capacitors is a critical
parameter as well as their capacitance with applied voltage
and their physical size. The capacitance of MLCC capacitors decreases with applied voltage and this must be taken
into account when selecting the capacitance value. The
value of the cell bypass capacitor is outline on page 31 of
the LTC3300-1 data sheet. Larger size, 1812 and above,
MLCC capacitors have a tendency to crack and short due
to thermal expansion and physical stress.
Each cell must have an equal capacitance between them
to prevent an overvoltage condition across the cell when
randomly connecting batteries to the LTC3300-1 battery
balancer circuit. There are also capacitors across adjacent
cells that act a reservoir of charge for the cell’s FET Gate
turn on circuit. These capacitors must also be of equal
value to maintain the balancing of voltage and a capacitor
of ½ the value need to be connected between Cell 1 and
V– of the lowest LTC3300-1 and from the top cell to the
cell below it to ensure balancing of voltage across all cells
when the battery stack is initially connected.
Figure 29 through 35 show the proper way to configure
the board for between 4 and 11 batteries.
Figure 24. DC2064A LTC6803-2 Setup Screen
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DEMO MANUAL DC2064A
QUICK START PROCEDURE
Figure 25. DC2064A LTC3300-1 Setup Screen with Timed Balance Controls
Figure 26. DC2064A LTC3300-1 Status GUI Screen
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DEMO MANUAL DC2064A
QUICK START PROCEDURE
System Setup Requirements:
LFP or Li-Ion Battery ≥ 10AHr
Internal Resistance < 30mΩ
Recommended Battery Simulator:
Power Supply 2V to 5.0 V ±10A
Interconnect Resistance < 25mΩ
Figure 27. Proper Measurement Equipment Setup for Bidirectional Cell Balancer
Note: All connections from equipment should be Kelvin connected directly to the Board Pins which they are connected
to on this diagram and any input, or output, leads should be twisted pair, where possible.
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DEMO MANUAL DC2064A
QUICK START PROCEDURE
System Setup Requirements:
LFP or Li-Ion Battery ≥ 10AHr
Internal Resistance < 30mΩ
Recommended Battery Simulator:
Power Supply 2V to 5.0 V ±10A
Interconnect Resistance < 25mΩ
Figure 28. Proper Equipment Setup for Cell Balancer Efficiency Measurements
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DEMO MANUAL DC2064A
QUICK START PROCEDURE
System Setup Requirements:
LFP or Li-Ion Battery ≥ 10AHr
Internal Resistance < 30mΩ
Recommended Battery Simulator:
Power Supply 2V to 5.0 V ±10A
Interconnect Resistance < 25mΩ
Figure 29. Proper Equipment Setup for Minimum Number of Cell Efficiency Measurements
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DEMO MANUAL DC2064A
QUICK START PROCEDURE
System Setup Requirements:
LFP or Li-Ion Battery ≥ 10AHr
Internal Resistance < 30mΩ
Recommended Battery Simulator:
Power Supply 2V to 5.0 V ±10A
Interconnect Resistance < 25mΩ
Figure 30. Configuring the Board for Six Batteries
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DEMO MANUAL DC2064A
QUICK START PROCEDURE
System Setup Requirements:
LFP or Li-Ion Battery ≥ 10AHr
Internal Resistance < 30mΩ
Recommended Battery Simulator:
Power Supply 2V to 5.0 V ±10A
Interconnect Resistance < 25mΩ
Figure 31. Configuring the Board for Seven Batteries
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DEMO MANUAL DC2064A
QUICK START PROCEDURE
System Setup Requirements:
LFP or Li-Ion Battery ≥ 10AHr
Internal Resistance < 30mΩ
Recommended Battery Simulator:
Power Supply 2V to 5.0 V ±10A
Interconnect Resistance < 25mΩ
Figure 32. Configuring the Board for Eight Batteries
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DEMO MANUAL DC2064A
QUICK START PROCEDURE
System Setup Requirements:
LFP or Li-Ion Battery ≥ 10AHr
Internal Resistance < 30mΩ
Recommended Battery Simulator:
Power Supply 2V to 5.0 V ±10A
Interconnect Resistance < 25mΩ
Figure 33. Configuring the Board for Nine Batteries
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DEMO MANUAL DC2064A
QUICK START PROCEDURE
System Setup Requirements:
LFP or Li-Ion Battery ≥ 10AHr
Internal Resistance < 30mΩ
Recommended Battery Simulator:
Power Supply 2V to 5.0 V ±10A
Interconnect Resistance < 25mΩ
Figure 34. Configuring the Board for Ten Batteries
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DEMO MANUAL DC2064A
QUICK START PROCEDURE
System Setup Requirements:
LFP or Li-Ion Battery ≥ 10AHr
Internal Resistance < 30mΩ
Recommended Battery Simulator:
Power Supply 2V to 5.0 V ±10A
Interconnect Resistance < 25mΩ
Figure 35. Configuring the Board for Eleven Batteries
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A
C1
C2
C1
C1
C2
C2
C3
1210
6.3V
1210
6.3V
1210
6.3V
1210
6.3V
I1P
C1G
2.2nF
OPT
D1C
G1P
C1B
100uF
C1A
100uF
D1F
SBR10U200P5
20
4
3
4
20
R1C 4
5.1 Q1A
SiR882DP
20
1206
4
3
T2
4
5
6
7
OPT
D3B
DFLS1100
9
10
1
2
T1
4
5
6
7
OPT
D2B
DFLS1100
V-
WURTH-750312504
OPT
OPT
D1A
D1B
DFLS260
DFLS1100
470pF
100V
0603
C1E
RS1A
0.008
20
1206
R1A
4
5
6
7
WURTH-750312504
9
10
1
2
OPT
D2A
DFLS260
100V
0603
RS2A
0.008
20
1206
R2A
C2E
470pF
T3
WURTH-750312504
9
10
1
2
OPT
D3A
DFLS260
100V
0603
C3E
470pF
RS3A
0.008
R3A
PLACE RC CLOSE TO LTC3300
20
CMOSH-4E
R1G
1210
6.3V
OPT
C1C
100uF
4
3
Q2A
SiR882DP
CMOSH-4E
R2G
5.1
R2C
1210
6.3V
OPT
C2C
100uF
PLACE RC CLOSE TO LTC3300
I2P
C2G
2.2nF
OPT
D2C
G2P
C2B
100uF
C2A
100uF
D2F
SBR10U200P5
4
Q3A
SiR882DP
CMOSH-4E
R3G
5.1
R3C
1210
6.3V
PLACE RC CLOSE TO LTC3300
I3P
C3G
2.2nF
OPT
D3C
G3P
1210
6.3V
1210
6.3V
D3F
SBR10U200P5
C3B
100uF
C3A
100uF
1
2
OPT
C3C
100uF
1
2
1
2
3
1
2
3
18
1206
OPT
R3B
BOT6_TS
RS3B
0.016
18
1206
OPT
R2B
BOT6_TS
RS2B
0.016
18
1206
RS1B
0.016
I3S
C3H
470pF
4
3
4
20
R2H
5.1
1210
100V
OPT
C2S
2.2uF
I2S
G2S
C2H
470pF
470pF
100V
0603
R2F
1210
100V
OPT
C2F
Q2B
SiS892DN
OPT
C2T
2.2uF
20
R1H
5.1
C1H
470pF
I1S
G1S
V-
1210
100V
C2R
2.2uF
V-
C3R
2.2uF
1210
100V
C3
C4
C4
C5
C6
1
2.5V - 4.5V
2.5A
C N - C N-1
I6P
C6G
2.2nF
OPT
D6C
G6P
1210
6.3V
C6B
100uF
1210
6.3V
1210
6.3V
4
C4G
2.2nF
20
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
4
5
6
7
T4
4
5
6
7
OPT
D5B
DFLS1100
SCALE = NONE
NC
J. DREW
PCB DES.
APP ENG.
APPROVALS
18
1206
OPT
R6B
OPT
C6F
RS6B
0.016
18
1206
OPT
R5B
BOT6_TS
18
1206
OPT
R4B
RS4B
0.016
DATE:
N/A
SIZE
C6H
470pF
I6S
G6S
I5S
C5H
470pF
20
R4H
5.1
C4H
470pF
I4S
G4S
1210
100V
OPT
C4S
2.2uF
SHEET
1
HIGH EFFICIENCY BIDIRECTIONAL
MULTICELL BATTERY BALANCER
LTC3300ILXE-1 / LTC6803IG-2
DEMO CIRCUIT 2064A
TECHNOLOGY
V-
C4R
2.2uF
1210
100V
V-
C5R
2.2uF
1210
100V
V-
179313000_SC
BOT6_TS
BOT6_TS
J2
OF 5
1
REV.
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
PLACE RC CLOSE TO LTC3300
4
3
4
1210
100V
470pF
100V
0603
Q4B
SiS892DN
R4F
OPT
C4T
2.2uF
PLACE RC CLOSE TO LTC3300
20
R5H
OPT
C4F
4
3
5.1
G5S
1210
100V
1210
100V
470pF
100V
0603
Q5B
SiS892DN
R5F
4
OPT
C5S
2.2uF
V-
1
2
DATE
1 - 11 - 13
BOT6_TS
E8
F13
7A
1210
J.DREW
APPROVED
C6R
2.2uF
1210
100V
OPT
C5T
2.2uF
1 - 11 - 13
IC NO.
20
R6H
5.1
1210
100V
OPT
C6S
2.2uF
OPT
C5F
BOT6_TS
RS5B
0.016
1210
100V
OPT
C6T
2.2uF
PLACE RC CLOSE TO LTC3300
4
3
4
DESCRIPTION
REVISION HISTORY
PRODUCTION FAB
Q6B
SiS892DN
R6F
470pF
100V
0603
1
REV
BOT6_TS
-
ECO
TITLE: SCHEMATIC
OPT
D4B
DFLS1100
WURTH-750312504
9
10
1
2
OPT
D4A
DFLS260
470pF
100V
0603
C4E
RS4A
0.008
20
1206
R4A
T5
OPT
D6B
DFLS1100
WURTH-750312504
9
10
1
2
OPT
D5A
DFLS260
470pF
100V
0603
C5E
RS5A
0.008
20
1206
R5A
4
5
6
7
WURTH-750312504
9
10
1
2
T6
BOT6_TS
OPT
D6A
DFLS260
470pF
100V
0603
C6E
RS6A
0.008
20
1206
R6A
CUSTOMER NOTICE
4
3
Q4A
SiR882DP
CMOSH-4E
R4G
5.1
4
PLACE RC CLOSE TO LTC3300
I4P
OPT
D4C
R4C
1210
6.3V
1210
6.3V
1210
6.3V
G4P
OPT
C4C
100uF
C4B
100uF
C4A
100uF
D4F
SBR10U200P5
20
3
Q5A
SiR882DP
4
CMOSH-4E
R5G
5.1
R5C
1210
6.3V
OPT
C5C
100uF
4
PLACE RC CLOSE TO LTC3300
I5P
C5G
2.2nF
OPT
D5C
G5P
C5B
100uF
C5A
100uF
D5F
SBR10U200P5
20
3
Q6A
SiR882DP
4
CMOSH-4E
R6G
5.1
R6C
1210
6.3V
OPT
C6C
100uF
PLACE RC CLOSE TO LTC3300
C6A
100uF
1210
6.3V
D6F
SBR10U200P5
BATTERY CELL VOLTAGES
C4
C5
C5
C6
Figure 36. Schematic Diagram Page 1
PLACE RC CLOSE TO LTC3300
4
3
4
R1F
1210
100V
1210
100V
470pF 1210
100V 100V
0603
Q1B
SiS892DN
C1R
2.2uF
OPT
C1S
2.2uF
OPT
C1T
2.2uF
OPT
C1F
PLACE RC CLOSE TO LTC3300
BOT6_TS
OPT
R1B
20
G3S
100V
1210
OPT
C3S
2.2uF
PLACE RC CLOSE TO LTC3300
4
3
R3H
5.1
100V
1210
OPT
C3T
2.2uF
Q3B
SiS892DN
R3F
4
470pF
100V
0603
OPT
C3F
1
2
C3
1
2
1
2
1
2
3
1
2
8
7
6
5
1
2
3
1
2
8
7
6
5
1
2
3
1
2
1
2
1
2
8
7
6
5
1
2
3
1
2
5
6
7
8
3
2
1
1
1
2
3
1
2
3
2
5
6
7
8
3
2
1
1
1
2
1
2
1
2
3
1
2
8
7
6
5
1
2
3
1
2
8
7
6
5
1
2
3
1
1
2
1
2
1
2
1
2
1
2
2
8
7
6
5
1
2
3
1
2
1
2
1
2
5
6
7
8
3
2
1
1
2
5
6
7
8
3
2
1
1
2
5
6
7
8
3
2
1
1
2
2
5
6
7
8
3
2
1
1
2
1
A
DEMO MANUAL DC2064A
SCHEMATIC DIAGRAMS
dc2064af
23
A
C7
C8
C7
C7
C8
C8
C9
1210
6.3V
1210
6.3V
4
4
3
20
4
20
4
5.1
Q7A
SiR882DP
CMOSH-4E
R7G
3
R7C
1210
6.3V
OPT
C7C
100uF
4
CMOSH-4E
R8G
3
Q8A
5.1
SiR882DP
R8C
1210
6.3V
OPT
C8C
100uF
PLACE RC CLOSE TO LTC3300
I7P
C7G
2.2nF
OPT
D7C
G7P
C7B
100uF
C7A
100uF
D7F
SBR10U200P5
20
PLACE RC CLOSE TO LTC3300
I8P
C8G
2.2nF
OPT
D8C
1210
6.3V
1210
6.3V
G8P
C8B
100uF
C8A
100uF
SBR10U200P5
D8F
4
5.1
Q9A
SiR882DP
CMOSH-4E
R9G
R9C
1210
6.3V
PLACE RC CLOSE TO LTC3300
I9P
C9G
2.2nF
OPT
D9C
G9P
1210
6.3V
1210
6.3V
D9F
SBR10U200P5
C9B
100uF
C9A
100uF
OPT
C9C
100uF
20
1206
4
5
6
7
OPT
D9B
DFLS1100
T7
4
5
6
7
OPT
D8B
DFLS1100
C6
OPT
D7B
DFLS1100
WURTH-750312504
9
10
1
2
OPT
D7A
DFLS260
470pF
100V
0603
C7E
RS7A
0.008
20
1206
R7A
4
5
6
7
WURTH-750312504
9
10
1
2
T8
OPT
D8A
DFLS260
100V
0603
RS8A
0.008
20
1206
R8A
C8E
470pF
T9
WURTH-750312504
9
10
1
2
OPT
D9A
DFLS260
100V
0603
RS9A
0.008
R9A
C9E
470pF
1
2
1
2
3
1
2
3
18
1206
OPT
R9B
TOP6_TS
RS9B
0.016
18
1206
OPT
R8B
TOP6_TS
RS8B
0.016
18
1206
OPT
R7B
TOP6_TS
RS7B
0.016
20
R9H
5.1
1210
100V
OPT
C9S
2.2uF
I9S
G9S
C9H
470pF
1210
100V
OPT
C9T
2.2uF
20
R8H
5.1
C8H
470pF
I8S
G8S
1210
100V
OPT
C8S
2.2uF
1210
100V
OPT
C7F
470pF
100V
0603
20
R7H
1210
100V
C7R
2.2uF
I7S
G7S
C7H
470pF
1210
100V
OPT
C7S
2.2uF
C6
1210
100V
C8R
2.2uF
C6
C11
C10
C9
C10
C10
C11
C11
C12
1
2.5V - 4.5V
2.5A
C N - C N-1
1210
6.3V
1210
6.3V
D10F
SBR10U200P5
C10A
100uF
1210
6.3V
D11F
SBR10U200P5
C11A
100uF
1210
6.3V
4
20
R12G
CMOSH-4E
4
3
5.1
Q12A
SiR882DP
R12C
1210
6.3V
OPT
C12C
100uF
20
4
3
Q11A
SiR882DP
CMOSH-4E
R11G
5.1
4
4
3
T11
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
4
5
6
7
OPT
D12B
DFLS1100
T10
4
5
6
7
OPT
D11B
DFLS1100
SCALE = NONE
NC
J. DREW
PCB DES.
APP ENG.
APPROVALS
18
1206
OPT
R12B
TOP6_TS
RS12B
0.016
18
1206
OPT
R11B
TOP6_TS
RS11B
0.016
18
1206
RS10B
0.016
DATE:
N/A
SIZE
20
R11H
1210
100V
1210
100V
C11H
470pF
I11S
G11S
OPT
C11S
2.2uF
20
R10H
I10S
G10S
1210
100V
OPT
C10S
2.2uF
C6
SHEET
LTC3300ILXE-1 / LTC6803IG-2
DEMO CIRCUIT 2064A
2
OF 5
1
REV.
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
C6
C10R
2.2uF
1210
100V
C6
C11R
2.2uF
1210
100V
TOP6_TS
TOP6_TS
J3
179313000_SC
1
2
TOP6_TS
E15
F14
7A
1210
HIGH EFFICIENCY BIDIRECTIONAL
MULTICELL BATTERY BALANCER
TECHNOLOGY
PLACE RC CLOSE TO LTC3300
4
3
5.1
C10H
470pF
1210
100V
470pF
100V
0603
Q10B
SiS892DN
R10F
OPT
C10T
2.2uF
4
C6
C12R
2.2uF
1210
100V
OPT
C11T
2.2uF
OPT
C10F
1 - 11 - 13
IC NO.
C12H
470pF
I12S
G12S
PLACE RC CLOSE TO LTC3300
4
3
5.1
Q11B
SiS892DN
R11F
4
470pF
100V
0603
OPT
C11F
TOP6_TS
OPT
R10B
20
R12H
5.1
1210
100V
OPT
C12S
2.2uF
PLACE RC CLOSE TO LTC3300
4
3
4
1210
100V
470pF
100V
0603
Q12B
SiS892DN
R12F
OPT
C12T
2.2uF
OPT
C12F
TITLE: SCHEMATIC
OPT
D10B
DFLS1100
WURTH-750312504
9
10
1
2
OPT
D10A
DFLS260
470pF
100V
0603
C10E
RS10A
0.008
CUSTOMER NOTICE
PLACE RC CLOSE TO LTC3300
20
CMOSH-4E
R10G
20
1206
R10A
4
5
6
7
WURTH-750312504
9
10
1
2
OPT
D11A
DFLS260
470pF
100V
0603
C11E
RS11A
0.008
20
1206
R11A
T12
WURTH-750312504
9
10
1
2
TOP6_TS
OPT
D12A
DFLS260
470pF
100V
0603
C12E
RS12A
0.008
20
1206
R12A
Q10A
SiR882DP
4
5.1
I10P
C10G
2.2nF
OPT
D10C
G10P
1210
6.3V
1210
6.3V
R10C
OPT
C10C
100uF
C10B
100uF
PLACE RC CLOSE TO LTC3300
C11G
2.2nF
I11P
OPT
D11C
R11C
1210
6.3V
1210
6.3V
G11P
OPT
C11C
100uF
C11B
100uF
PLACE RC CLOSE TO LTC3300
I12P
C12G
2.2nF
OPT
D12C
G12P
C12B
100uF
C12A
100uF
D12F
SBR10U200P5
BATTERY CELL VOLTAGES
C9R
2.2uF
1210
100V
C12
Figure 37. Schematic Diagram Page 2
PLACE RC CLOSE TO LTC3300
4
3
5.1
Q7B
SiS892DN
R7F
4
OPT
C7T
2.2uF
PLACE RC CLOSE TO LTC3300
4
3
4
R8F
1210
100V
470pF
100V
0603
Q8B
SiS892DN
OPT
C8T
2.2uF
OPT
C8F
PLACE RC CLOSE TO LTC3300
4
3
4
Q9B
SiS892DN
R9F
470pF
100V
0603
OPT
C9F
1
1
2
C9
1
2
1
2
1
2
3
1
2
8
7
6
5
1
2
3
1
2
8
7
6
5
1
2
3
1
1
2
1
2
2
8
7
6
5
1
2
3
1
2
1
2
1
2
1
2
5
6
7
8
3
2
1
1
1
2
3
1
2
3
2
5
6
7
8
3
2
1
1
1
2
1
2
1
2
3
1
2
8
7
6
5
1
2
3
1
2
8
7
6
5
1
2
3
1
1
2
1
2
2
5
6
7
8
3
2
1
1
2
1
2
2
8
7
6
5
1
2
3
1
2
1
2
1
2
5
6
7
8
3
2
1
1
2
5
6
7
8
3
2
1
1
2
5
6
7
8
3
2
1
1
24
2
OPT
A
DEMO MANUAL DC2064A
SCHEMATIC DIAGRAMS
dc2064af
16V
0603
C20
A 1.0uF
I5S
G4S
0
R2
U1
I1S
G1S
V-
12
11
10
9
8
7
6
5
4
3
2
1
49
V-
R7
15.4k
LTC3300ILXE-1
I2S
1
VREG1
WDTA
G6S
I6S
G5S
G2S
I3S
G3S
I4S
C1
4.7uF
16V
1210
WDTA
E19
BSS123W
Q13
D23
CMOSH-4E
CMPT3906E
Q15
I1S
G1S
I2S
G2S
I3S
G3S
I4S
G4S
I5S
G5S
I6S
G6S
GND
OPT
R3
0
1
1
R1
1M
0805
R14
845k
D21
CMHZ4689
R8
20.5k
45
2
2
3
2
1
3
2
1
2
SDO
SDII
39
I1P
V-
SCKI
CSBI
C2
0.1uF
10V
0402
BOT6_TS
C6
D25
PDZ5.6B
R54
20
0603
44
G1P
C5
I2P
G2P
C2
I3P
G3P
C3
I4P
G4P
C4
I5P
G5P
C1K
1.0uF
16V
0603
25
26
27
28
29
30
31
32
33
34
35
36
I6P
G6P
C19
0.22uF
10V
0603
I2P
G2P
I4P
2
C5K
1.0uF
16V
0603
C2K
1.0uF
16V
0603
R45
0
2512
C26
4.7uF
16V
1210
R49
0
2512
C24
4.7uF
16V
1210
R47
0
2512
C22
4.7uF
16V
1210
0 OPT
R41
C6K
1.0uF
16V
0603
C4K
1.0uF
16V
0603
C3K
G3P 1.0uF
16V
I3P
0603
G4P
I5P
G5P
D19
CMMSH2-40
1
C25
4.7uF
16V
1210
R48
0
2512
C23
4.7uF
16V
1210
6.8
R4
D26
PDZ5.6B
R55
20
0603
2.0k
R52
1
1
1
D22
CMHZ4689
Q16
CMPT3904E
100k
R53
3
2
1
C6
G9S
I9S
I10S
G10S
1
R10
20.5k
0805
R13
845k
D6
RS07J
CUSTOMER NOTICE
R11
15.4k
I1S
G1S
I2S
G2S
I3S
G3S
I4S
G4S
I5S
G5S
I6S
G6S
GND
48
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
C4
0.1uF
10V
0402
TOP6_TS
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
C6
12
11
10
9
8
7
6
5
4
3
2
1
49
R9
15.4k
R12
0
OPT
R5
1M
VREG2
WDTC
U2
LTC3300ILXE-1
I7S
G7S
I8S
I12S
G8S
I11S
G11S
C3
4.7uF
16V
1210
G12S
WDTC
E20
Q14
BSS123W
3
2
D24
CMOSH-4E
C21
1.0uF
16V
0603
Q17
CMPDM8002A
2
Figure 38. Schematic Diagram Page 3
C1
C2
C3
C4
C5
C6
D1
CMMSH2-40
C5
C6
1
2
3
2
1
2
C7
41
45
R51
2.0k
48
VREG
13
RTONS
47
TOS
14
RTONP
46
VMODE
CTRL
15
CSBO
43
SCKO
CSBI
16
SCKI
17
SDOI
42
BOOST
SDO
19
SDI
18
40
BOOST-
21
WDT
20
BOOST+
V-
37
I6P
38
C6
I1P
22
G6P
G1P
23
C1
24
1
2
47
VREG
13
RTONS
14
TOS
44
1
2
RTONP
46
VMODE
CTRL
15
CSBO
43
SCKO
CSBI
17
SCKI
16
1
41
1
39
I7P
2
G7P
RS07J
OPT
D16
NC
J. DREW
SCALE = NONE
APP ENG.
PCB DES.
APPROVALS
D8
RS07J
D7
RS07J
WDTC
2
SDOI
42
BOOST
SDO
19
SDI
18
1
V-
C6
2
38
G1P
40
BOOSTWDT
20
BOOST+
V-
21
G6P
37
C5
I2P
G2P
C2
I3P
G3P
C3
I4P
G4P
C4
I5P
G5P
I6P
C1
C6
I1P
22
C6
23
C6
25
26
27
28
29
30
31
32
33
34
35
36
I12P
G12P
C18
0.22uF
10V
0603
DATE:
N/A
SIZE
D20
2
I8P
C7K
1.0uF
16V
0603
C31
4.7uF
16V
1210
R43
0
2512
C28
4.7uF
16V
1210
C7
C8
C9
C10
C11
C12
SHEET
LTC3300ILXE-1 / LTC6803IG-2
DEMO CIRCUIT 2064A
3
OF 5
1
REV.
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
C30
4.7uF
16V
1210
R44
0
2512
R6
6.8
D5
CMMSH2-40
HIGH EFFICIENCY BIDIRECTIONAL
MULTICELL BATTERY BALANCER
TECHNOLOGY
G8P
C8K
1.0uF
16V
0603
C29
4.7uF
16V
1210
I9P
G9P
R46
0
2512
C27
4.7uF
16V
1210
C9K
1.0uF
16V
0603
C11K
1.0uF
16V
0603
C12K
1.0uF
16V
0603
0 OPT
R42
R50
0
2512
1 - 11 - 13
IC NO.
1
CMMSH2-40
C10K
G10P 1.0uF
I10P 16V
0603
I11P
G11P
TITLE: SCHEMATIC
24
1
2
1
A
DEMO MANUAL DC2064A
SCHEMATIC DIAGRAMS
WDTA
dc2064af
25
A
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
100 0603
R1K
100 0603
R2K
100 0603
R3K
100 0603
R4K
100 0603
R5K
100 0603
R6K
100 0603
R7K
100 0603
R8K
100 0603
R9K
100 0603
R10K
100 0603
R11K
100 0603
R12K
V-
V-
V-
V-
V-
V-
V-
V-
V-
V-
V-
V-
V-
V-
C12_FILTER
C11_FILTER
C11L
0.1uF
100V
1206
C10_FILTER
C10L
0.1uF
100V
1206
C9_FILTER
C9L
0.1uF
100V
1206
C8_FILTER
C12L
0.1uF
100V
1206
1
2
1
2
1
2
1
C8L
0.1uF
100V
1206
C7_FILTER
2
1
C7L
0.1uF
100V
1206 C6_FILTER
2
1
C2_FILTER
C1L
0.1uF
100V
1206
C2L
0.1uF
100V
1206 C1_FILTER
C3L
0.1uF
100V
1206
C4L
0.1uF
100V
1206 C3_FILTER
C5L
0.1uF
100V
1206 C4_Filter
C6L
0.1uF
100V
1206
C5_FILTER
2
1
2
1
2
1
2
1
2
1
2
1
26
2
C12_CLAMPED
C7_FILTER
C8_FILTER
C9_FILTER
C10_FILTER
C11_FILTER
C5_FILTER
C6_FILTER
D1E
PDZ7.5B
GRN
GRN
GRN
C1_FILTER
D2E
PDZ7.5B
C2_FILTER
D3E
PDZ7.5B
C3_FILTER
D4E
PDZ7.5B
C4_Filter
D5E
PDZ7.5B
D6E
PDZ7.5B
D7E
PDZ7.5B
D8E
PDZ7.5B
D9E
PDZ7.5B
D10E
PDZ7.5B
D11E
PDZ7.5B
D12E
PDZ7.5B
C12_FILTER
R1J
2.00k
R9J
C8
G9P
C4
D9D
LED-LN
2.00k
R5J
G5P
D5D
LED-LN
V-
C9
G1P
D1D
LED-LN
2.00k
E1
C1
C5
V-
7A
F15 1210
1210
GRN
GRN
GRN
7A
G2P
C2
C1
G10P
C5
2.00k
R10J
C9
D10D
LED-LN
2.00k
R6J
G6P
D6D
LED-LN
2.00k
R2J
D2D
LED-LN
F9 1210
7A
F5
7A
1210 F1
V-
C1SC1-
J4
1210
E11
C9S+
C9+
C10S-
J13
C9
F6 1210
C2
G11P
C6
2.00k
R11J
C10
D11D
LED-LN
2.00k
R7J
G7P
D7D
LED-LN
2.00k
R3J
G3P
D3D
LED-LN
7A
F10 1210
7A
E7
E18
C6S+
C6+
C7S-
J10
C6
C6
C3
179314000_SC
C2S+
C2+
C3S-
J6
E3
E12
GRN
GRN
7A
F11 1210
7A
C3
1
2.00k
R12J
G12P
C7
C11
D12D
LED-LN
2.00k
R8J
G8P
D8D
LED-LN
2.00k
1210
F7 1210
7A
F3
G4P
D4D
LED-LN
R4J
C11
179314000_SC
C10S+
C10+
C11S-
J14
GRN
1
2
3
C10
C7
179314000_SC
1
2
3
1
2
3
C2
1
C12
C11S+
C11+
C12S-
J15
C11
E13
C8
C12
1210
C8
C12S+
C12+
J16
E10
C12_CLAMPED
C12
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
J. DREW
SCALE = NONE
APP ENG.
NC
APPROVALS
PCB DES.
C12_CLAMPED
E14
179313000_SC
1
2
C8S+
C8+
C9S-
J12
C4
179314000_SC
1
2
3
E5
179314000_SC
C4S+
C4+
C5S-
J8
CUSTOMER NOTICE
1206
L1
7A
F12 1210
7A
F8 1210
7A
F4
1
2
3
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
C12
179314000_SC
1
2
3
C7S+
C7+
C8S-
J11
E9
C4
179314000_SC
1
2
3
E4
179314000_SC
C3S+
C3+
C4S-
J7
C7
1
2
3
C3
Figure 39. Schematic Diagram Page 4
GRN
GRN
GRN
C10
179314000_SC
1
2
3
C5S+
C5+
C6S-
J9
C5
E6
7A
F2
179314000_SC
C6
1
2
3
C1S+
C1+
C2S-
J5
E2
179314000_SC
1
2
3
C1
179313000_SC
1
2
DATE:
N/A
SIZE
1 - 11 - 13
IC NO.
TITLE: SCHEMATIC
SHEET
LTC3300ILXE-1 / LTC6803IG-2
DEMO CIRCUIT 2064A
4
OF 5
1
REV.
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
HIGH EFFICIENCY BIDIRECTIONAL
MULTICELL BATTERY BALANCER
TECHNOLOGY
A
DEMO MANUAL DC2064A
SCHEMATIC DIAGRAMS
dc2064af
A
D12
BAT46W
C12_CLAMPED
C2_FILTER
C3_FILTER
C4_FILTER
C5_FILTER
C6_FILTER
C7_FILTER
C8_FILTER
C9_FILTER
C10_FILTER
C11_FILTER
SDI
SCKI
A3
A2
A1
S12
C11
S11
C10
S10
GPI01
GPI02
VREF
VREG
TOS
NC
WDTB
C2
S3
C3
S4
C4
V-
V-
44
43
D14
100
R26
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
CMHZ5265B
S2
C1
S1
V-
NC
S5 VTEMP1
C5 VTEMP2
S6
C6
S7
C7
S8
C8
S9
A0
SDO
C12
C9
CSBI
V+
D13
BAT46W
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
U8
LTC6803IG-2
C6
0.1uF
100V
1206
C1_FILTER
V-
VREG
0
JP2
0
JP1
0
0
C9
OPT
25V
0603
GPIO1
JP3
1
C12
1uF
25V
0603
V-
V-
JP4
5
3
U4
V-
V+
+IN B -IN B
OUT B
OUT A
+IN A -IN A
C10
OPT
0603
25V
8
6
7
1
2
GPIO2
E23
LT6004CMS8
R15
1M
R16
1M
V-
5
4
GPIO1
E22
VREG
VTEMP2
C8
TEMP2
PIN
0
V-
R20
0
SDII
DF3-3P-2DSA
3
2
TEMP1
J1
2
1
0.1uF
MM74HC00
6
U5B
TEMP1 1
V-
0
R21
0
R19
R18
3
10
9
13
12
1
1
U5A
MM74HC00
SCKI
VREG
MM74HC00
8
U5C
MM74HC00
11
U5D
SDO
CSBI
R22
3.3k
V-
3Y
2Y
1Y
3A
2A
1A
6
3
1
U6
74LVC3G07
V-
K1
L2
L1
L3
L4
L5
K6
L6
K7
L7
K8
L8
V-
I1
I2
SDO2
SCK2
SDI2
CS2
AVCC2
VCC2
AV-
V-
AV+
V+
BATTERY STACK
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
NC
J. DREW
PCB DES.
APP ENG.
C7
0.1uF
25V
0603
A1
A3
A4
A5
A6
B1
A2
A7
A8
B7
B8
C17
10uf
10V
DATE:
N/A
SIZE
1 - 11 - 13
IC NO.
D15
CMSH3-20MA
GND_DC590
C15
1uF
0603
25V
E17
ISOLATED GND
SDA
WP
A2
Vss
6
5
7
SERIAL EEPROM
SCLK
A1
A0
U3
5.1k
R40
HD2X7
EEVCC
EESCLK
EESDA
EEVSS
GND_DC590
GND_DC590
GND_DC590
N/C
SDO_590
SCK_590
SDI_590
CS_590
FROM
DC 590B
OR
BOARD
BELOW
TO
DC 590B
INPUT
ABOVE
SHEET
5
OF 5
1
REV.
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
R39
5.1k
10
11
9
12
HD2X7
N/C
VCCA
J18
EEVCC
EESCLK
EESDA
EEVSS
GND_DC590
GND_DC590
GND_DC590
N/C
SDO_590
SCK_590
SDI_590
CS_590
N/C
VCCA
J17
HIGH EFFICIENCY BIDIRECTIONAL
MULTICELL BATTERY BALANCER
LTC3300ILXE-1 / LTC6803IG-2
DEMO CIRCUIT 2064A
TECHNOLOGY
4
3
2
1
5
4
7
6
1
2
10
11
9
12
8
13
3
8
13
3
GND_DC590
5
4
7
6
1
2
14
14
ISOLATED GND PLANE
100
100 R36
R37 100
100 R38
R35
GND_DC590
TITLE: SCHEMATIC
2010 OPT
2010 OPT
R34
2010 OPT
R33
2010 OPT
470pF
1808
C13
R32
R31
470pF
1808
C5
SDO
SCK
SDI
CS
SDOE
DO1
DO2
ON
VL
VCC
VCC
PC INPUT
APPROVALS
IF U7 IS NOT INSTALLED: DO NOT
INSTALL U6, R22 -R25. INSTALL R31 R34. REPLACE C5 AND C13 WITH ZERO
OHM RESISTOR.
2
5
7
V-
OPT
C16
10uF
10V
CUSTOMER NOTICE
R25
3.3k
C14
0.1uF
+
U7
LTM2883CY - 5S
OPT
+
E16
ISOLATED +5V
ISOLATION BOUNDARY
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
R23
3.3K
R24
3.3k
Figure 40. Schematic Diagram Page 5
100
R30
C11
1uF
25V
0603
R29
10k
10k
R28
100
R27
R17
1M
WDTB
E21
7
1
14
VREG
14
7
14
7
14
7
1
A0
8
VCC
GND
4
1
A1
GND2
GND2
GND2
GND2
K5
K4
K3
K2
1
2
A2
GND
4
GND
GND
GND
GND
GND
B6
B5
B4
B3
B2
C12_FILTER
1
2
1
2
1
2
8
Vcc
A3
A
DEMO MANUAL DC2064A
SCHEMATIC DIAGRAMS
dc2064af
27
DEMO MANUAL DC2064A
PCB LAYOUT
Figure 41. Top Silk Screen
dc2064af
28
DEMO MANUAL DC2064A
PCB LAYOUT
Figure 42. Bottom Silk Screen
dc2064af
29
DEMO MANUAL DC2064A
PCB LAYOUT
Figure 43. Layer 1
dc2064af
30
DEMO MANUAL DC2064A
PCB LAYOUT
Figure 44. Layer 2
dc2064af
31
DEMO MANUAL DC2064A
PCB LAYOUT
Figure 45. Layer 3
dc2064af
32
DEMO MANUAL DC2064A
PCB LAYOUT
Figure 46. Layer 4
dc2064af
33
DEMO MANUAL DC2064A
PARTS LIST
ITEM QTY REFERENCE
Required Circuit Components
1
24 C1A-C12A, C1B-C12B
2
12 C1G-C12G
3
12 C1H-C12H
4
12 C1R-C12R
5
14 C1K-C12K, C20,C21
6
4 C2, C4, C8, C14
7
1 C7
8
3 C11, C12, C15
9
2 C18, C19
10
2 D23, D24
11
4 D1, D5, D19.D20
12
3 D6, D7, D8
13
12 D1E-D12E
14
2 D12, D13
15
1 D14
16
1 D15
17
2 D21, D22
18
2 D25, D26
19
12 D1F-D12F
20
24 R1C-R12C, R1F-R12F
21
2 R4, R6
22
24 R1G-R12G, R1H-R12H
23
7 R26, R27, R30, R35-R38
24
5 R1, R5, R15-R17
25
2 R13, R14
26
3 R7, R9, R11
27
2 R8, R10
28
2 R51, R52
29
2 R39, R40
30
2 R28, R29
31
1 R53
32
2 R54, R55
33
12 RS1A-RS12A
34
12 RS1B-RS12B
35
12 Q1A-Q12A
36
12 Q1B-Q12B
37
2 Q13,Q14
38
1 Q15
39
1 Q16
40
1 Q17
41
12 T1-T12
42
2 U1,U2
43
1 U3
44
1 U4
45
1 U5
46
1 U8
PART DESCRIPTION
MANUFACTURER/PART NUMBER
CAP.,X5R, 100µF, 6.3V,10%, 1210
CAP.,X7R, 2200pF, 50V, 10% 0402
CAP.,X7R, 470pF, 50V, 10% 0402
CAP.,X7R, 2.2µF, 100V,10%, 1210
CAP.,X7R, 1.0µF, 16V,10%, 0603
CAP, X7R, 0.1µF, 16V, 10% 0402
CAP.,X7R, 0.1µF, 25V,10%, 0603
CAP.,X5R, 1µF, 25V,10%, 0603
CAP.,X7R, 0.22µF, 10V,10%, 0603
SMD, SCHOTTKY, SOD523
SMD, SCHOTTKY, SOD-123F
SMD, SILICON SWITCHING DIODE
DIODE, ZENER, 7.5V, 400MW, SOD323
SMD, SCHOTTKY, 200MW, 100V, SOD-12
SMD, SILICON ZENER, 62V
SMD, SCHOTTKY
DIODE, ZENER, 5.1V,SOD-123
DIODE, ZENER, 5.6V, 400MW, SOD323
DIODE, SUPER BARRIER RECTIFIER, 10A, POWERDI5
RES,CHIP, 5.1Ω, 1/16W, 5%, 0402
RES,CHIP, 6.8Ω, 1/16W, 5%, 0402
RES,CHIP,20Ω,1/16W,5%,0402
RES,CHIP,100Ω,1/16W,5%,0402
RES,CHIP, 1.00M, 1/16W, 5%, 0402
RES, CHIP, 845k, 1/8W, 1%, 0805
RES, CHIP, 15.4k, 1/16W, 1%, 0402
RES, CHIP, 20.5k, 1/16W, 1%, 0402
RES,CHIP,2.0k,1/16W,5%,0402
RES, CHIP, 5.1k, 1/16W, 5%, 0402
RES, CHIP, 10.0k, 1/16W, 5%, 0402
RES, CHIP, 100k, 1/16W, 5%, 0402
RES, CHIP, 20Ω, 1/16W, 5%, 0603
RES, CHIP, 8mΩ, 1W, 1%, 1206
RES, CHIP, 16mΩ, 1W, 1%, 1206
MOSFET, 100V, 0.0087Ω, 60A, POWERPAK-SO8
MOSFET, 100V, 0.058Ω, 25A, POWERPAK-1212-8
MOSFET, 100V, 10Ω, SOT-323
TRANSISTOR,PNP, 60V SOT-23
TRANSISTOR, NPN, 60V SOT-23
MOSFET, P-CHAN, 50V, 4Ω,SOT-23
TRANSFORMER, 1:1, 3.0µH, 10.8A
IC, SMT, BIDIRECTIONAL BATTERY BALANCER
IC, EEPROM 2KBIT, 400KHZ, 8TSSOP
IC, SMT, OP AMP
IC, GATE NAND QUAD 2-PIN 14-SO
IC, SMT, BATTERY MONITOR
MURATA, GRM32ER60J107ME20L
MURATA, GRM155R71H222KA01D
MURATA, GRM155R71H471KA01D
TDK, C3225X7R2A225K
MURATA, GRM188R71C105KA12D
MURATA, GRM155R71C104KA88D
AVX, 06033C104KAT2A
TDK, C1608X5R1E105K
MURATA, GRM188R71A224KA01
CENTRAL SEMI, CMOSH-4E
CENTRAL SEMI, CMMSH2-40
VISHAY, RS07J
NXP, PDZ7.5B.115
DIODES INC, BAT46W
CENTRAL SEMI, CMHZ5265B
CENTRAL SEMI, CMSH3-20MA
CENTRAL SEMI, CMHZ4689
NXP, PDZ5.6B.115
DIODES INC, SBR10U200P5
VISHAY, CRCW04025R10JNED
VISHAY, CRCW04026R80JNED
VISHAY, CRCW040220R0JNED
VISHAY, CRCW0402100RJNED
VISHAY, CRCW04021M00JNED
VISHAY, CRCW0805845KFKEA
VISHAY, CRCW040215K4FKED
VISHAY, CRCW040220K5FKED
VISHAY, CRCW04022K00JNED
VISHAY, CRCW04025K10JNED
VISHAY, CRCW040210K0JNED
VISHAY, CRCW0402100KJNED
VISHAY, CRCW060320R0JNED
SUSUMU, PRL1632-R008-F-T1
SUSUMU, PRL1632-R016-F-T1
VISHAY, SiR882DP-T1-GE3
VISHAY, SiS892DN-T1-GE3
DIODES INC, BSS123W-7-F
CENTRAL SEMI, CMPT3906E
CENTRAL SEMI, CMPT3904E
CENTRAL SEMI, CMPDM8002A
WURTH, 750312504
LINEAR, LTC3300ILXE-1#PBF
MICROCHIP TECH. 24LC025-I/ST
LINEAR, LT6004IMS8#PBT
FAIRCHILD, MM74HC00M
LINEAR, LTC6803IG-2#PBF
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34
DEMO MANUAL DC2064A
PARTS LIST
ITEM QTY REFERENCE
Components and Hardware for Demo Board Only
1
12 C1E-C12E
2
12 C1, C3, C22-C31
3
13 C1L-C12L, C6
4
2 C5, C13
5
12 D1D-D12D
6
15 F1-F15
7
1 L1
8
12 R1A-R12A
9
12 R1K-R12K
10
4 R22-R25
11
8 R43-R50
12
12 R1J-R12J
13
18 E1-E18
14
5 E19-E23
15
2 J17,J18
16
1 J1
17
1 J1 (MATE)
18
3 J1 (MATE CONTACT)
19
4 JP1-JP4
20
4 JP1-JP4
21
1 U6
22
1 U7
23
5 MH1-MH5
Optional Components
1
0 C1C-C12C
2
0 C1F(OPT)-C12F(OPT)
3
0 C1S-C12S, C1T-C12T
4
0 C5, C13
5
0 C9(OPT), C10(OPT)
6
0 C16, C17
7
0 D1A-D12A
8
0 D1B-D12B (OPT)
9
0 D1C-D12C (OPT)
10
0 D16(OPT)
11
0 R1B-R12B (OPT)
12
0 R3, R12, R41, R42 (OPT)
13
0 R31-R34 (OPT)
14
0 J2-J4,J16 (OPT)
15
0 J2(OPT) (MATE)
16
0
J5-J15 (OPT)
17
0
J5-J15 (OPT)
PART DESCRIPTION
MANUFACTURER/PART NUMBER
CAP.,X7R, 470pF, 100V,10%, 0603
CAP.,X7R, 4.7µF, 16V,20%, 1210
CAP., X7R, 0.1µF, 100V, 10%, 1206
CAP., X7R, 470pF, 250VAC, 10%, 1808
LED,GREEN CLEAR 0603 SMD
FUSE, 7A, FAST, SMD, 1206
IND, FERRITE CHIP 33Ω, 6A, 1206
RES, CHIP, 20Ω, 1/4W, 5%, 1206
RES, CHIP, 100Ω, 1/16W, 5%, 0603
RES, CHIP, 3.3k, 1/16W, 5%, 0402
RES, CHIP, 0Ω, 2512
RES, CHIP, 2.0k, 1/16W, 5%, 0402
TP, TURRET, 0.094", PBF
TURRET, 0.061 DIA
CONN, HEADER, 14POS 2mm VERT GOLD
CONN, HEADER, 3POS, 2.5mm STR TIN
CONN, RECEPT HOUSING, 3POS 2.5mm
CONTACT, SOCKET, CRIMP 20-22AWG, TIN
HEADER, 3PINS, 2mm
SHUNT 2mm
IC,SMT, TRIPLE BUFFER
IC,SMT,5V, SPI ISOLATER _ODULE
STAND-OFF, NYLON, 0.500" TALL (SNAP ON)
AVX, 06031C471KAT2A
TDK, C3225X7R1C475M
AVX, 12061C104KAT2A
MURATA, GA342QR7GF471KW01L
LITE-ON, LTST-C190KGKT
COOPER BUSSMANN, 3216FF7-R
MURATA, BLM31PG330SN1L
VISHAY, CRCW120620R0JNEA
VISHAY, CRCW0603100RJNED
VISHAY, CRCW04023K30JNED
VISHAY, CRCW25120000Z0EG
VISHAY, CRCW04022K00JNED
MILL-MAX, 2501-2-00-80-00-00-07-0
MILL-MAX, 2308-2-00-80-00-00-07-0
MOLEX 87831-1420
HIROSE, DF1EC-3P-2.5DSA(05)
HIROSE, DF1E-3S-2.5C
HIROSE, DF1E-2022SCF
SAMTEC, TMM-103-02-L-S
SAMTEC, 2SN-BK-G
TI, SN74LVC3G07DCTR
LINEAR, LTM2883CY-5S#PBF
KEYSTONE, 8833 (SNAP ON)
CAP., X5R, 100µF, 6.3V,10%, 1210
CAP., X7R, 470pF, 100V,10%, 0603
CAP., X7R, 2.2µF, 100V,10%, 1210
RES, CHIP, 0Ω, 2010
CAP, OPT, 25V, 0603
CAP., TANT, 10µF, 10V, 20%. 1206
SMD, SCHOTTKY BARRIER RECTIFIER 2A, 60V, PWRD123
SMD, SCHOTTKY BARRIER RECTIFIER, 1A, 100V, PWRD123
SMD, SCHOTTKY, SOD-523
SMD, SILICON SWITCHING DIODE
RES, CHIP, 18Ω, 1/4W, 5%, 1206
RES, CHIP, 0Ω, 0402
RES, CHIP, 0Ω, 2010
HEADER, 1x2, 2-PIN, 3.81mm, 90 DEG
SOCKET, 1x2, 2-PIN, 3.81mm, 180 DEG
HEADER, 1x3, 3-PIN, 3.81mm, 90 DEG
SOCKET, 1x3, 3-PIN, 3.81mm, 180 DEG
MURATA, GRM32ER60J107ME20
AVX, 06031C471KAT2A
TDK, C3225X7R2A225K
VISHAY, CRCW20100000Z0EF
AVX, TAJA106M010RNJ
DIODES INC, DFLS260
DIODES INC, DFLS1100-7
CENTRAL SEMI, CMOSH-4E
VISHAY, RS07J
VISHAY, CRCW120618R0JNEA
VISHAY, CRCW04020000Z0ED
VISHAY, CRCW20100000Z0EF
WEIDMULLER, 1793130000
WEIDMULLER, 1792770000
WEIDMULLER, 1793140000
WEIDMULLER, 1792780000
dc2064af
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
35
DEMO MANUAL DC2064A
DEMONSTRATION BOARD IMPORTANT NOTICE
Linear Technology Corporation (LTC) provides the enclosed product(s) under the following AS IS conditions:
This demonstration board (DEMO BOARD) kit being sold or provided by Linear Technology is intended for use for ENGINEERING DEVELOPMENT
OR EVALUATION PURPOSES ONLY and is not provided by LTC for commercial use. As such, the DEMO BOARD herein may not be complete
in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including but not limited to product safety
measures typically found in finished commercial goods. As a prototype, this product does not fall within the scope of the European Union
directive on electromagnetic compatibility and therefore may or may not meet the technical requirements of the directive, or other regulations.
If this evaluation kit does not meet the specifications recited in the DEMO BOARD manual the kit may be returned within 30 days from the date
of delivery for a full refund. THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY THE SELLER TO BUYER AND IS IN LIEU
OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS
FOR ANY PARTICULAR PURPOSE. EXCEPT TO THE EXTENT OF THIS INDEMNITY, NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR
ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.
The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user releases LTC from all claims
arising from the handling or use of the goods. Due to the open construction of the product, it is the user’s responsibility to take any and all
appropriate precautions with regard to electrostatic discharge. Also be aware that the products herein may not be regulatory compliant or
agency certified (FCC, UL, CE, etc.).
No License is granted under any patent right or other intellectual property whatsoever. LTC assumes no liability for applications assistance,
customer product design, software performance, or infringement of patents or any other intellectual property rights of any kind.
LTC currently services a variety of customers for products around the world, and therefore this transaction is not exclusive.
Please read the DEMO BOARD manual prior to handling the product. Persons handling this product must have electronics training and
observe good laboratory practice standards. Common sense is encouraged.
This notice contains important safety information about temperatures and voltages. For further safety concerns, please contact a LTC application engineer.
Mailing Address:
Linear Technology
1630 McCarthy Blvd.
Milpitas, CA 95035
Copyright © 2004, Linear Technology Corporation
dc2064af
36 Linear Technology Corporation
LT 0613 • PRINTED IN USA
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
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FAX: (408) 434-0507 ● www.linear.com
 LINEAR TECHNOLOGY CORPORATION 2013