1
Download Dual PMSM motor drive using STM32F303CB/CC peripherals in
Transcript
1.1. Using external operational amplifiers for the motor current sensing amplification network In Figure 1 is shown the block diagram of one solution to converters (ADC1 and ADC2) to exploit the dual three resources”. In Figure 1 is shown the block diagram of one solution to converters (ADC1 and ADC2) to exploit the dual three resources”. share the two analog to digital shunt sampling using “shared share the two analog to digital shunt sampling using “shared Figure 1 - Shared resources using external operational amplifiers PA2 – ADC1 MC1_CurrB PA3 – ADC1 MC2_CurrB PC2 – ADC12 ADC1 MC1_CurrA PC3 – ADC12 MC2_CurrA PA6 – ADC2 MC1_CurrC ADC2 PC0 – ADC2 MC2_CurrC 1.2. Using the embedded PGAs for the motor current sensing amplification network In Figure 2 is shown the block diagram of one solution to share the two embedded OPAMs (OPAMP1 and OPAMP3) and two analog to digital converters (ADC1 and ADC3) to exploit the dual three shunt sampling using “shared resources”. April 2014 DT0012Rev 1 2/10 www.st.com
