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CTR=zero
CTR=CMPB
X
En
SyncOut
Phase reg
Ext SyncIn
(optional)
EPWM1A
EPWM1B
SyncOut
Phase reg
CTR=CMPB
CTR=zero
X
En
EPWM2B
EPWM2A
Slave
Master
EPWM1A
SyncIn
SyncIn
EPWM1B
CTR=zero
CTR=CMPB
SyncOut
X
EPWM3B
Phase reg
Slave
En
SyncIn
EPWM3A
1
2
3
V
IN
EPWM2B
EPWM2A
EPWM3A
EPWM3B
V
OUT
Φ
=0
°
Φ
=120
°
Φ
=120
°
Φ
=240
°
Applications to Power Topologies
www.ti.com
Figure 59. Control of a 3-Phase Interleaved DC/DC Converter
84
TMS320x2833x, 2823x Enhanced Pulse Width Modulator (ePWM) Module
SPRUG04A – October 2008 – Revised July 2009
© 2008–2009, Texas Instruments Incorporated