Texas Instruments TMS320x28xx 사용자 설명서
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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
(Note: Here F
PWM2
= F
PWM1
)
SPRU791D – November 2004 – Revised October 2007
Applications to Power Topologies
79