Datasheet

GVDD
GVDD
PVDD
PVDD
1000 Fm
Loc
Loc
Loc
3.3
10nF
100nF
100nF
100nF
1 Fm
1 Fm
1 Fm
100nF
47 Fm
330 Fm
Roc_adj
Controller
(MSP430
C2000or
StellarisMCU)
RESET_A
PWM_B
OC_ADJ
GND
GND_A
GND_B
OUT_B
PVDD_B
AGND
VREG
M3
M2
BST_B
NC
NC
GND
RESET_C
PWM_C
VDD
GVDD_C
OUT_C
PVDD_C
BST_C
GVDD_C
RESET_B
GND_C
M1
GND
GVDD_B
OTW
FAULT
PWM_A
GVDD_A
BST_A
PVDD_A
OUT_A
100nF
100nF
100nF
M
Rsense_B
Rsense_C
Rsense_A
1
Rsense_x
or
Vsense<100mV
£ 10mW
DRV8332
1 Fm
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
DRV8312
DRV8332
SLES256C –MAY 2010–REVISED OCTOBER 2013 www.ti.com
Figure 7. Cycle-by-Cycle Operation with Low Side OC (dashed line: normal operation; solid line: CBC
event)
Figure 8. DRV8332 Application Diagram for Three-Phase Operation
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