Datasheet

PWM_HS
PWM_LS
Load
Current
CurrentLimit
CBCwithLowSideOC
T_LS T_OC
PVDD
GND_X
DuringT_OCPeriod
PWM_HS
PWM_LS
Load
T_HS
GVDD
GVDD
PVDD
PVDD
1000uF
Loc
Loc
Loc
Loc
3.3
10nF
100nF
100nF
100nF
100nF
1uF
1uF
1uF
1uF
1uF
100nF
47uF
330uF
M
M
Controller
(MSP430
C2000or
StellarisMCU)
RESET_AB
PWM_B
OC_ADJ
GND
GND_A
GND_B
OUT_B
PVDD_B
AGND
VREG
M3
M2
BST_B
BST_C
PVDD_C
OUT_C
RESET_CD
PWM_D
VDD
GVDD_C
OUT_D
PVDD_D
BST_D
GVDD_D
PWM_C GND_D
M1 GND_C
GVDD_B
OTW
FAULT
PWM_A
GVDD_A
BST_A
PVDD_A
OUT_A
Rsense_AB(option)
Rsense_CD(option)
100nF
100nF
100nF
100nF
Roc_adj
1
DRV8412
DRV8432
SLES242C –DECEMBER 2009–REVISED MAY 2010 www.ti.com
Figure 7. Cycle-by-Cycle Operation with Low Side OC (dashed line: normal operation; solid line: CBC
event)
Figure 8. Application Diagram Example for Full Bridge Mode Operation
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