Texas Instruments TMS320C6745 DSP - Multiphase (Channel) Interleaved PWM Example Using 3 Ecap Modules

Comple−
mentary
and
deadband
logic
APWM1 APWM2
logic
deadband
Comple−
mentary
and
deadband
logic
APWM3
and
mentary
Comple−
Vout
APRD(1)
APRD(1)
1200
700
SYNCO pulse
(CTR=PRD)
APWM1
Φ2=120°
Φ3=240°
CTRPHS(2)=800
CTRPHS(3)=400
APWM2
APWM3
TSCTR
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SPRUH91D–March 2013–Revised September 2016
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Enhanced Capture (eCAP) Module
Figure 13-16. Multiphase (channel) Interleaved PWM Example Using 3 eCAP Modules