Microchip Technology DM164130-7 Data Sheet

Page of 478
 2010-2012 Microchip Technology Inc.
DS41414D-page 231
PIC16(L)F1946/47
FIGURE 23-13:
EXAMPLE OF PWM DIRECTION CHANGE AT NEAR 100% DUTY CYCLE
Forward Period
Reverse Period
PxA
T
ON
T
OFF
T = T
OFF
 – T
ON
PxB
PxC
PxD
External Switch D
Potential
Shoot-Through Current
Note 1: All signals are shown as active-high.
2: T
ON
 is the turn on delay of power switch QC and its driver.
3: T
OFF
 is the turn off delay of power switch QD and its driver.
External Switch C
t1
PW
PW