5.1 PWM Configuration

Integrated implementation of PFC and FOC requires four PWM channels. Details of the PWM channel configuration are shown in Table 5-1.

Table 5-1. PWM Configuration for Integrated PFC and FOC Implementation On PIC32MK PIM Using the MCHV-3
ApplicationNumber of PWM ChannelsPWM FrequencyPWM Alignment ModePWM Output ModeControl Loop Rate
PFC1 (PWM5)80 kHzEdge-AlignedSingle-Ended40 kHz
FOC3 (PWM1, PWM2, PWM3)20 kHzCenter-AlignedComplementary20 kHz