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Controlling Multiple Half H-Bridge (HHB) Converters

Figure 3-8. Half-H Bridge Waveforms for Figure 3-7(Note: Here FPWM2 = FPWM1 )

Z

 

 

Z

I

 

600

I

 

 

 

 

400

 

400

 

 

 

200

 

 

200

Z

I

Z

EPWM1A

EPWM1B

CB

CA

A

 

CA CB

A

Pulse Center

500 500

250

250

Z

Z

CB

A

CA

CA

CB

A

Z

Z

EPWM2A

CB

CA

Z

CB

CA

A

 

 

A

 

CA

CB

Z

 

A

 

CA

CB

A

Z

EPWM2B

Pulse Center

SPRU791D–November 2004–Revised October 2007

Applications to Power Topologies

79

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Image 79
Texas Instruments 28xxx, TMS320x28xx manual Half-H Bridge Waveforms for -7Note Here FPWM2 = FPWM1