Texas Instruments 28xxx

www.ti.com
EPWM1A
EPWM1B
EPWM2A
EPWM2B
600
200
400
400
200
250
500
500
250
Pulse Center
A
CB
CA
Z
Z
I
Z
I
Z
I
Z
I
A
CB
CA
Z
Z
A
CB
CA
Pulse Center
Z
A
CB
CA
A
CB
CA
Z
A
CB
CA
Z
A
CB
Z
CA
A
CB
Z
CA
Controlling Multiple Half H-Bridge (HHB) Converters
Figure 3-8. Half-H Bridge Waveforms for Figure 3-7 (Note: Here F
PWM2
= F
PWM1
)
SPRU791D – November 2004 – Revised October 2007 Applications to Power Topologies 79
Submit Documentation Feedback