Download 4 How to Operate the Demo Board

Fujitsu Semiconductor Design(Chengdu) Co.,Ltd.
User Manual
Inductor Heater (Half Bridge)
Demo Board
User Manual
Inductor Heater (Half Bridge) User Manual V1.0
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Revision History
Date
2010-03-12
2010-08-5
2010-10-11
2010-11-17
Author
Kevin. Lin
Kevin. Lin
Kevin. Lin
Kevin. Lin
Change of Records
V1.1.0, First draft
V1.1.0, add figures
V1.1.1, modify the Figure 6.2
V1.2.0, update the power level, Figure 6.2. add error code
This manual contains 26 pages.
1. The products described in this manual and the specifications thereof may be changed without prior notice.
To obtain up-to-date information and/or specifications, contact your Fujitsu sales representative or Fujitsu
authorized dealer.
2. Fujitsu will not be liable for infringement of copyright, industrial property right, or other rights of a third party
caused by the use of information or drawings described in this manual.
3. The contents of this manual may not be transferred or copied without the express permission of Fujitsu.
4. The products contained in this manual are not intended for use with equipment which requires extremely
high reliability such as aerospace equipments, undersea repeaters, nuclear control systems or medical
equipments for life support.
5. Some of the products described in this manual may be strategic materials (or special technology) as defined
by the Foreign Exchange and Foreign Trade Control Law. In such cases, the products or portions thereof
must not be exported without permission as defined under the law.
© 2008 Fujitsu Microelectronics (Shanghai) Co., Ltd.
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Inductor Heater (Half Bridge) User Manual V1.0
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Contents
REVISION HISTORY ................................................................................................. 2
1 PREFACE .............................................................................................................. 5
1.1
About This Book ...................................................................................................... 5
1.2
Reference Material .................................................................................................. 5
2 INTRODUCTION OF THE DEMO BOARD............................................................ 6
2.1
Introduction ............................................................................................................. 6
2.2
Feature.................................................................................................................... 6
2.3
Demo Board Module ............................................................................................... 6
3 SYSTEM LEVEL ARCHITECTURE OF THE BOARD .......................................... 8
3.1
Board Block Diagram .............................................................................................. 8
3.2
Control Module ........................................................................................................ 9
3.3
3.4
3.2.1
MCU Socket .............................................................................................. 9
3.2.2
Key and Display ......................................................................................... 9
3.2.3
Fan and Buzzer ....................................................................................... 10
3.2.4
Temperature Measure Circuit .................................................................. 11
3.2.5
Debugger Interface .................................................................................. 11
Power Supply ........................................................................................................ 12
3.3.1
SMPS ...................................................................................................... 12
3.3.2
Filter and Rectifier.................................................................................... 12
Resonant Circuit .................................................................................................... 13
3.4.1
IGBT driver .............................................................................................. 13
3.4.2
Resonant Tank ........................................................................................ 13
4 HOW TO OPERATE THE DEMO BOARD .......................................................... 14
4.1
Assemble the Platform .......................................................................................... 14
4.2
Operate the Demo Board ...................................................................................... 15
4.2.1
Power ON/OFF ........................................................................................ 15
4.2.2
Constant Power Mode ............................................................................. 16
4.2.3
Constant Temperature Mode ................................................................... 17
4.2.4
Timing Mode ............................................................................................ 18
5 DEBUGGING AND PROGRAMMING ................................................................. 19
5.1
Debugging Tool Connection ................................................................................. 19
5.2
Overview of Project ............................................................................................... 20
6 SCHEMATIC ........................................................................................................ 21
MCU-AN- 500077-E-10 – Page 3
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7 ADDITIONAL INFORMATION ............................................................................. 23
8 APPENDIX........................................................................................................... 24
8.1
List of Figures........................................................................................................ 24
8.2
List of Tables ......................................................................................................... 24
8.3
MCU Pin Assignment ............................................................................................ 25
8.4
ErrorCode.............................................................................................................. 26
MCU-AN- 500077-E-10 – Page 4
Inductor Heater (Half Bridge) User Manual V1.0
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1 Preface
1.1 About This Book
This book provides a detailed hardware description of the half bridge inductor heater
board. The demo board is a reference platform for half bridge inductor heater design.
This Inductor Heater (Half Bridge) Demo Board User Manual is written for software,
hardware, and system engineers, who are developing their own inductor heater
project.
Table1.1 shows the summary of chapters included in this manual.
Chapter Title
Description
Preface
Introduction of the Demo
Board
System Level Architecture of
the Board
How to Operate the Demo
Board
Debugging and Programming
Schematic and BOM
This chapter introduces the content of this book
This chapter introduces the information of the demo
This chapter explains the HW design of the demo
board
This chapter describes how to operate the demo
board by front board
This chapter introduces how to connect the demo
board to the adapter.
This chapter shows the schematic and BOM of the
demo
Table 1. 1 Chapter Summary
1.2 Reference Material
Use this book in conjunction with:

Inductor Heater (Half Bridge) FW User Manual v1.1.0
MCU-AN- 500077-E-10 – Page 5
Inductor Heater (Half Bridge) User Manual V1.0
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2 Introduction of the Demo Board
2.1 Introduction
The Inductor Heater (Half Bridge) Demo Board is a reference design for customer. It
contains two part, namely main board and front board. They are controlled by only
one MCU.
The main board is built around Fujitsu MB95F430 serial MCU. The abundant
modules and peripherals make it very suitable for Inductor Heater design no matter a
half bridge style or a quasi resonant one.
The front board adopts LED display and capacitive touch buttons. It supports max 8
single LEDs, a LED module and 8 buttons.
2.2 Feature
This demo board supports these features below.

Support 8 single LEDs and a LED module (8segments) max.

Support 8 touch sense buttons

Afford debugging interface for MCU and tuning interface for touch sense chip

9 power levels:600w,700w,900w,1200w,1400w,1800w,2000w,2400w,3000w.

Three modes: constant power, constant temperature, timing.
2.3 Demo Board Module
Figure 2.1 shows the front view of the main board and the modules.
Figure 2.1 main board
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Figure 2.2 shows the front view of the front board and the modules .
Figure 2.2 Front Board
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3 System Level Architecture of the Board
3.1 Board Block Diagram
Figure 3.1 gives a system level architecture of the demo board. It has these sections:
control, power supply, resonant circuit.
Figure 3. 1 Board Block Diagram
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3.2 Control Module
The Control Module is based on the MB95F430H. It has several specialized
hardware peripherals, like 16-bit output compare unit, 10-bit ADCs, internal voltage
comparator, OPAMP and buzzer driver, which are required for inductor heater
control.
3.2.1 MCU Socket
The demo board uses a LQFP32 footprint for MB95F430. Additionally ,there is test
pins for each pin of MCU.
3.2.2 Key and Display
There are 8 single LEDs (D1-D8) and a LED module on the front board. The LEDs
indicate the mode that the inductor heater is being in. The LED module displays the
output power Level in constant power mode, temperature in constant temperature
mode or time in timing mode.
All the keys are capacitive touch sense buttons. This function is implemented
through AT5088 which is an ASIP for capacitive touch application. The AT5088 can
support 8 buttons max.
Figure 3.2 shows the key and display definition
Constant
temperature
ON/OFF
Constant
Timing
power
+
-
Hour
Figure 3. 2 Key Definition
MCU-AN- 500077-E-10 – Page 9
Minute
Inductor Heater (Half Bridge) User Manual V1.0
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The front board is connected with the main board through the 10-pin port including 5
wires for LED COMs, 2 wires for I2C bus and 2 wires for GND and +5V. The socket
J2 on the front board is prepared for AT5088 tuning.
Figure 3.3 shows the connector.
Pin 1
Figure 3.3 Connector to Front Board
The table below shows the pin definition of front board connector.
Table 3.1 Connector Definition
Pin Number
Name
1
2
3~7
8
9
10
+5v
GND
COM0~COM4(LED)
SDA
SCL
NC
3.2.3 Fan and Buzzer
When the inductor heater works, the fan need to work at the same time to chill the
heat-sink, and decrease the temperature of the rectifier module and IGBTs in
advance. The fan is a 12v driving set. A 7812 is used to convert the 15v to 12v.
The buzzer module is located on the main board, and it is drove by the specialized
BUZ pin of the MCU.
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3.2.4 Temperature Measure Circuit
In order to avoid the IGBT failure caused by over temperature, a NTC is placed on
the top of IGBT Q1 to monitor the temperature.
Apart from the NTC on IGBT, there is another NTC is used to measure the
temperature of the pot. It is placed in the middle of the wire plate where is close to
the bottom of the pot.
IGBT temperature
Plate temperature
measure
measure
Figure 3. 3 Temperature Measuring Port
3.2.5 Debugger Interface
Socket J1 on the main board provides an interface for BGMA with MCU. The user
can program the MCU or do debugging using the BGMA.
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3.3 Power Supply
3.3.1 SMPS
A +15v DC block power supply (U1) serves as the main power supply to the control
section of the demo board. The +15v power supply is supplied to the gate driver
directly. A +12v power supply for the fan is generated using a regulator (U3). The
+5v is also generated from +15V using the regulator U2.
3.3.2 Filter and Rectifier
Before entering into the resonant sink, the 50HZ AC power has to be change to DCLink by the Filter and Rectifier stage. The filter part consists of some protection
components, induction and capacitors, such as fuse (F1), relay (RL1), inductor (L2),
and capacitor (C16, C14, and C21).
Rectifier module RL1 convert AC to DC, then the DC power go through the L1 and
C22 to the resonant sink.
A current transformer T2 is embedded in the circuit for AC current measure.
For more information please refer to the chapter “Schematic and BOM”.
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Inductor Heater (Half Bridge) User Manual V1.0
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3.4 Resonant Circuit
3.4.1 IGBT driver
The IGBT driver circuit is built around IR2113 manufactured by IR. There are two
power supplies for it. One is +15v which will supply power to the IGBT gate, and
another is +5v which supply power to the logical part of the component.
JMP1 is used to disable or enable the driver output. When the jumper is open , the
driver output will be enabled ,or it will be disabled.
JMP1
Figure 3. 4 IGBT Driver Block
3.4.2 Resonant Tank
IGBT Q1 and Q2, C18, C24 and wire plate make up the main part of the resonant
tank. J8 and J9 sever as the headers for wire plate connection. Current transformer
T1 is added to the resonant sink serial with the wire plate. It will transform the current
to the MCU for over current protection. A heat-sink is used here to disperse the heat
generated by IGBTs and rectifier.
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4 How to Operate the Demo Board
4.1 Assemble the Platform
This Demo Board Set consists of such parts:

Main board

Front board

Wire plate

Fan

One 10-wire bus
Figure 4.1 shows the assembled demo board platform.
Figure 4. 1 Demo Platform
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Inductor Heater (Half Bridge) User Manual V1.0
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4.2 Operate the Demo Board
4.2.1 Power ON/OFF
If the main board is connected to 220v,The MCU will run immediately, but the power stage
doesn’t work. User can drive the relay to be on by touching BUTTON6, then the system run
in standby mode . The led D5,D7 on the front board will light as indication of standby
mode. The D1~D8 and LED module will not light on. User can also shift the relay to
be off by touching the BUTTON6.
All mentioned below can be done only after the system is in standby mode.
Figure 4. 2 Standby Mode
MCU-AN- 500077-E-10 – Page 15
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4.2.2 Constant Power Mode
When touch the BUTTON1 after the system is in standby mode, the system enters
constant power mode. D4 and D2 will be on and the led module will display the
power level that indicates the output power.
User can touch the BUTTON5 or BUTTON4 to select the power level. The first touch
to each of the two buttons will trigger the selecting process with figure flickering.
Touching BUTTON5 increases the power level, while touching BUTTON4 decreases
the power level. The selection will be confirmed until 5 seconds after each touch.
Figure 4.2 shows the constant power mode.
Figure 4. 3
Constant Power Mode
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Inductor Heater (Half Bridge) User Manual V1.0
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4.2.3 Constant Temperature Mode
Touch the BUTTON0 will shift the system to constant temperature mode from
constant power mode or standby mode. D3, D1 will light on. The figure shown by led
module means the target temperature that user set.
The user can touch the BUTTON5 or BUTTON4 to change the target temperature.
Figure 4.3 shows the constant temperature mode.
Figure 4. 4 Constant Temperature Mode
MCU-AN- 500077-E-10 – Page 17
Inductor Heater (Half Bridge) User Manual V1.0
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4.2.4 Timing Mode
If the system is already in constant power mode or constant temperature mode, the
user can touch the BUTTON7 to make system entering timing mode. The system will
run in constant power mode or constant temperature mode until the time is out. After
that, it will back to standby mode automatically.
In timing mode, user can touch the BUTTON3 or BUTTON2 to select hour or minute
setting, and touch the BUTTON5 or BUTTON4 to change the content. The figure
which is in setting will flicker in frequency of 1HZ as the same as mentioned before.
The rang of time is 1minute to 1hour and 59 minutes.
Figure4.4 shows the timing mode.
Figure 4. 5 Timing Mode with Constant Power Output
Note:
1. User can quite constant power mode, constant temperature mode or timing mode by
BUTTON0, BUTTON1, BUTTON7 respectively.
2. If the system is in timing mode, the touch to BUTTON0 or BUTTON1 is invalid.
3. In constant power mode or constant temperature mode, the touch to BUTTON3 or
BUTTON2 has no effect.
MCU-AN- 500077-E-10 – Page 18
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5
Debugging and Programming
5.1 Debugging Tool Connection
Figure 5.1 shows how to connect the adapter to demo board.
Figure 5. 1 Adapter Connection
MCU-AN- 500077-E-10 – Page 19
Inductor Heater (Half Bridge) User Manual V1.0
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5.2 Overview of Project
The project can be opened using SOFTUNE V3.0. The files are listed in the left table.
Figure 5.2 shows the project.
Figure 5. 2 Project
More information for the SOFTUNE V3, please refer to the SOFTUNE Workbench
USER’S MANUAL.
MCU-AN- 500077-E-10 – Page 20
Inductor Heater (Half Bridge) User Manual V1.0
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6 Schematic
Figure 6.1 shows the front board circuit.
Figure 6. 1 Front Board
MCU-AN- 500077-E-10 – Page 21
3
3
3
2
4
2
4
2
1
ACL
3
2
E
J5
1
N
J4
1
L
J3
1
ACN
4
T1_3
Vo-
Vo+
J17
2
1
R68
2.2K
C30
104
+15V
R17
470K/1W
D20
HER107
HER107
R56
610R D19
+5V
1mH
Vin
U3
7805
Vin
U2
L2
CON8
R66
1K
R61
5.1K
7812
1
1
4
1
IGBT_H 1
LED COM22
LED COM33
4
IGBT_L
CMP1_P 5
6
OC1
LED COM17
CMP2_P 8
R48 D17 D18
500R
HER107
HER107
2
1
C29
547uF/50V
4
RV1
10K471
CON8
D22 15V DC
C43
104
T1_4
AC-DC
+5V
ACL
ACN
E
U1
C16
2uF/275VAC
F1 10A/250V
CON8
1
SYS_V
2
BUZ
3
NULL
SDA/DATA4
SCL/CLK 5
6
SYS_C
PLATE_T 7
IGBT_T 8
Vout
3
2
3
R50
1K
C45
102
R46 100R
OC1
C37
104
+12V
C32
104
+5V
RES_C
R28
4.7K
R26 4.7K
IN4148
Reserved
C39
47uF/25V
Vout
C31
4.7uF/25V
3
C14
0.001uF/400VAC
D4
IN4007
R54 0R
Q3
9013
47K/1W
R3
Q4
8050
2
1
C47
102
R55 270R
FAN
2
1
J7
R53
1K
IN4148
D16
D12
500R
R25
T2
1:1500
RV2
10K471
+5V
R33
4.7K
IN4148
C50
102
R52 100R
OC
BUZZER
Q7
8050
2
1
2
1
+5V
U5
C35
104
SYS_C
4.7uF/25V
C40
R62 0R
1
4
DBG
SYS_PW
LED COM0
FAN
VCC
XA1
XA0
DC-
DC+
GBJ2510
AC-
AC+
RT1
C34
4.7uF/25V
3
2
C6
10uF/16V
SYS_V
R34 2.2K
+5V
R13
2.2K
D1
IN4148
D21 C38
5.6V/0.5W 104
D14
IN4148
+12V
IN4148
D15
+5V
IN4148
R60
5.1K
C26 104
D13
610R
R24
RELAY SPST
3
D5
IN4007
R6
470K/1W
C17
2uF/275VAC
C21
0.001uF/400VAC
RL
4
ACN
+12V
2
1
D10
ACL
CON8
SYS_PW
SURGE 1
LED COM42
CMP3_P 3
4
OC
5
RST
6
X0
7
X1
8
VSS
2
4
1
XA0
2
XA1
3
VCC
4
C
5
FAN
6
LED COM0
SYS_PW7
8
DBG
1
3
J16
400uH
2.2K
R58
8M
Y1
MB95F434
P12/EC0/DBG/U1
P62/OPAMP_O
P61/OPAMP_N
P60/OPAMP_P
C
VCC
P13/TRG0/OUT1
P14/PPG0/OUT0
BUZ
8
7
6
C41 C 4
104
5
3
2
1
U4
C28
33pF
J9
104
C48
+5V
R67
2.2K
R51
10K
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2
C5
104
D2
IN4148
R4 1K
T1
1:3000
C33
33pF
C24
0.68uF/1200VAC
R27 0.03R/5W
RES_C
470K/1W
R14
2.2K
R8
+5V
0.68uF/1200VAC
C18
J8
4
2 4
C22
4.7uF/400VAC
L1
R7 470K/1W
C3 104/400V
VSS
J15
X1
1
3
J14
GND
2
GND
2
32
VSS
3
1
RST
29
2
4
3
10
28
1
31
PF1/X1
P01/INT01/AN01
NULL
P00/INT00/AN00
9
SYS_V
X0
30
11
PF0/X0
P02/INT01/AN02/UCK
OC
13
PF2/RSTX
P03/INT01/AN03/UO
12
CMP3_P
27
DBG
J1
1
2
3
4
5
6
7
8
9
10
R5
4.7K
R32 2.2K
P70/CMP0_O/OUT0
P71/CMP0_P
P72/CMP0_N
P73/CMP1_O/OUT1
P74/CMP1_P
P75/CMP1_N
P76/CMP2_O/UCK
P63/CMP2_P
OC1
CMP1_P
IGBT_L
LED COM3
LED COM2
IGBT_H
22
21
20
19
18
17
Date:
Size
B
Title
LED COM1
23
SCL/CLK
SDA/DATA
R43 2.2K
R39 4.7K/1%
+5V
R41 10K/1%
+5V
R38 5.1K/1%
IGBT_T
IR2113
9
10
11
12
13
14
15
16
Friday , Nov ember 19, 2010
Document Number
1/1
Sheet
Induction Heater Main Board (half bridge)
R20 R21
10K 10K
CMP2_P
R37
4.7K/1%
PLATE
2
1
24
C36
104
2
1
J6
C27
22uF/50V
R40 2.2K/1%
PLATE_T
C49
102
R22 10R/0.5W
R18 10R/0.5W
C23
105
+5V
R23
10K
R19
10K
1
C42
104
of
2
1
+5V
1
R47
1K/1%
Rev
V1.4.1
IGBT_L
IGBT_H
CON10
J2
IGBT
2
1
J10
R30 47R
R45 2.2K
R36
2.2K
JMP1
1
2
3
4
5
6
7
8
9
10
R29 47R
C19
C20
4.7uF/50V 103
+15V +5V
NC2
NC3
VDD
HIN
SD
LIN
VSS
NC4
R63
3.3R
C51 10uF/50V
IC1
8
7 HO
6 VB
5 VS
4 NC1
D9 HER107 +15V
3 NC0
2 VCC
1 COM
R35 2R/0.5W
LO
R64 2R/0.5W
D7 HER107
R9
R10
R11
R15
R16
100R
100R
100R
100R
100R
+5V
C2
102
C12 C13
C1
4.7uF/25V
102*5
C7 C8 C9 C10 C11
LED COM3
LED COM2
LED COM1
LED COM0
LED COM4
SDA/DATA
SCL/CLK
D6 HER107
DBG
+5V
+5V
R42 8.2K/1%
D11
15V/0.5W
T1_3 C25
Q2
0.033uF/1200VIRGP4068D
Q1
IRGP4068D
D8
15V/0.5W
0.033uF/1200V
C15
SURGE
P67/CMP3_N
14
SYS_C
P04/INT01/AN04/UI
SURGE
25
P64/CMP2_N
LED COM4
P66/CMP3_P
P05/INT01/AN05
26
P65/CMP3_O/UO
P06/INT01/AN06
15
P07/INT01/AN07
16
MCU-AN- 500077-E-10 – Page 22
PLATE_T
Figure 6. 2 Main Board
IGBT_T
2
12
1
J13
Inductor Heater (Half Bridge) User Manual V1.0
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Figure 6.2 shows the main board circuit.
Inductor Heater (Half Bridge) User Manual V1.0
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7 Additional Information
For more information on FUJITSU MICROELECTRONICS products, please visit the
following website at:
Simplified Chinese Version: http://www.fujitsu.com/cn/fmc/services/mcu/mb95430/
English Version: http://www.fujitsu.com/cn/fmc/en/services/mcu/mb95430/
MCU-AN- 500077-E-10 – Page 23
Inductor Heater (Half Bridge) User Manual V1.0
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8 Appendix
8.1 List of Figures
Figure 3. 1 Board Block Diagram ........................................................................................... 8
Figure 3. 2 Key Definition..................................................................................................... 9
Figure 3. 3 Temperature Measuring Port.............................................................................. 11
Figure 3. 4 IGBT Driver Block .............................................................................................. 13
Figure 4. 1 Demo Platform ................................................................................................... 14
Figure 4. 2 Constant Power Mode ........................................................................................ 16
Figure 4. 3 Constant Temperature Mode .......................................................................... 17
Figure 4. 4 Timing Mode with Constant Power Output ......................................................... 18
Figure 5. 1 Adapter Connection ........................................................................................... 19
Figure 5. 2 Project............................................................................................................... 20
8.2 List of Tables
Table 1. 1 Chapter Summary ................................................................................................. 5
MCU-AN- 500077-E-10 – Page 24
Inductor Heater (Half Bridge) User Manual V1.0
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8.3 MCU Pin Assignment
Pin Number
Pin Name
Function
1
PG2/PPG0/X1A/OUT1
Sub clock
2
PG1/TRG0/ADTG/X0A
Sub clock
3
Vcc
Vcc
4
C
C
5
P60/OPAM_P
Fan
6
P61/OPAM_N
LED COM0
7
P62/OPAM_O
SYS_PW
8
P12/EC0/UI/DBG
DBG
9
P00/INT00/AN00
System voltage measuring
10
P01/INT01/AN01/BZ
Buzzer
11
P02/INT02/AN02/UCK
NULL
12
P03/INT03/AN03/UO
SDA for I2C
13
P04/INT04/AN04/UI
SCL for I2C
14
P05/INT05/AN05/TO0
System current measuring
15
P06/INT06/AN06/TO1
Plate temperature measuring
16
P07/INT07/AN07/EC0
IGBT temperature measuring
17
P70/CMP0_O/OUT0
IGBT driver H
18
P71/CMP0_P
LED COM2
19
P72/CMP0_N
LED COM3
20
P73/CMP1_O/OUT1
IGBT driver L
21
P74/CMP1_P
OC protection reference voltage
22
P75/CMP1_N
OC input
23
P76/CMP2_O/UCK
LED COM1
24
P63/CMP2_P
Surge protection reference voltage
25
P64/CMP2_N
Surge input
26
P65/CMP3_O/UO
LED COM4
27
P66/CMP3_P
Short circuit protection reference voltage
28
P67/CMP3_N
Short circuit protection
29
PF2/RSTX
Reset
30
PF0/X0
oscillator
31
PF1/X1
oscillator
32
Vss
Vss
MCU-AN- 500077-E-10 – Page 25
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8.4 ErrorCode
Error Code
Description
Notes
E0
HW_STOP is set
E1
Low voltage
the power supply is lower
than 185V
E2
Over voltage
the power supply is higher
than 256V
E3
Pot temperature sensor is short
E4
Pot temperature sensor is open
E5
IGBT temperature sensor is short
E6
IGBT temperature sensor is open
E7
Pan over temperature
the temperature of pan
bottom is higher than 200 ºC
E8
IGBT over temperature
the temperature of IGBT is
higher than 80 ºC
MCU-AN- 500077-E-10 – Page 26