DRV8412_15 Datasheet, PDF (21/42 Pages) Texas Instruments – DRV84x2 Dual Full-Bridge PWM Motor Driver

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8.2.3 Stepper Motor Operation
DRV8412, DRV8432
SLES242G – DECEMBER 2009 – REVISED DECEMBER 2014
GVDD
330 uF
Controller
(MSP430
C2000 or
Stellaris MCU)
GVDD
47 uF
1uF
3.3
1uF
GVDD_B
GVDD_A
10 nF
OTW
FAULT
BST_A
100 nF
PVDD_A
PWM_A
RESET_AB
OUT_A
GND_A
100nF
Roc_adj
1
100 nF
PWM_B
OC_ADJ
GND
AGND
VREG
M3
GND_B
OUT_B
PVDD_B
BST_B
BST_C
PVDD_C
100nF
100 nF
100 nF
M2
M1
PWM_C
RESET_CD
OUT_C
GND_C
GND_D
OUT_D
100nF
100nF
PWM_D
PVDD_D
VDD
100 nF
BST_D
1uF
GVDD_C GVDD_D
1uF
1uF
PVDD
1000 uF
M
PVDD
Figure 16. Application Diagram Example for Stepper Motor Operation Schematic
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