Control Of Four Buck Stages. Here F; Pwm1 Pwm2 Pwm3 Pwm4; Pwm1 ≠ F - Texas Instruments Concerto F28M35 Series Technical Reference Manual

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Figure 7-57. Control of Four Buck Stages. Here F
Master1
Phase reg
En
Φ=X
CTR=zero
CTR=CMPB
X
1
SyncOut
Master2
Phase reg
SyncIn
En
Φ=X
CTR=zero
CTR=CMPB
X
2
SyncOut
Master3
Phase reg
SyncIn
En
Φ=X
CTR=zero
CTR=CMPB
X
3
SyncOut
Master4
Phase reg
SyncIn
En
Φ=X
CTR=zero
CTR=CMPB
X
3
SyncOut
NOTE: Θ = X indicates value in phase register is a "don't care"
SPRUH22I – April 2012 – Revised November 2019
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Ext SyncIn
(optional)
SyncIn
EPWM1A
EPWM1B
EPWM2A
EPWM2B
EPWM3A
EPWM3B
EPWM4A
EPWM4B
Copyright © 2012–2019, Texas Instruments Incorporated
≠ F
PWM1
Vin1
EPWM1A
Vin2
EPWM2A
Vin3
EPWM3A
Vin4
EPWM4A
C28 Enhanced Pulse Width Modulator (ePWM) Module
Applications to Power Topologies
≠ F ≠ F
PWM2 PWM3 PWM4
Vout1
Buck #1
Vout2
Buck #2
Vout3
Buck #3
Vout4
Buck #4
709