ST7MC2S4 STMicroelectronics, ST7MC2S4 Datasheet - Page 145

• Manufacturer Part Number: ST7MC2S4
• Description: 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC,BRUSHLESS MOTOR CONTROL, 5 TIMERS, SPI, LINSCI(TM)
• Manufacturer: STMicroelectronics

MOTOR CONTROLLER (Cont’d)
Figure 76. Typical command signals of a three-phase induction motor
* These simplified chronograms represent the phase voltages after low-pass filtering of the
PWM outputs reference signals
PWM output
Duty Cycle
Phase A *
Phase B *
Phase C *
PWM
period
51% 50% 49%
PWM output
Duty Cycle
1%
0%
PWM output
Duty Cycle
1%
99% 100% 99%
99%
99%
T0
T1
A
ST7MC1xx/ST7MC2xx
T2
T3
B
HV
T4
T5
145/309
C
1