Texas Instruments TMS320C6745 DSP - ZVS Full-H Bridge Waveforms

Power phase
EPWM1A
EPWM1B
RED
300
Φ2=variable
TBPHS
=(1200−Φ2)
RED
EPWM2A
EPWM2B
Power phase
FED
200
600
1200
FED
ZVS transition
ZVS transition
ZCA
Z
I
Z
I
Z
I
Z
CB
A
CA
CB
A
Z
Z
CB
A
CA
Z
Z
CB
A
CA
www.ti.com Applications to Power Topologies
369
SPRUH91D–March 2013–Revised September 2016
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Enhanced High-Resolution Pulse-Width Modulator (eHRPWM)
Figure 14-64. ZVS Full-H Bridge Waveforms