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| DRV8412_11 Datasheet, PDF (6/31 Pages) Texas Instruments – Dual Full Bridge PWM Motor Driver | |||
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DRV8412
DRV8432
SLES242D â DECEMBER 2009 â REVISED JULY 2011
SYSTEM BLOCK DIAGRAM
OTW
FAULT
M1
M2
M3
Internal Pullup
Resistors to VREG
Protection
and
I/O Logic
RESET_AB
RESET_CD
Under-
voltage
Protection
4
4
Power
On
Reset
Temp.
Sense
Overload
Protection
PWM_D
PWM
Rcv.
Ctrl.
Timing
Gate
Drive
PWM_C
PWM
Rcv.
Ctrl.
Timing
Gate
Drive
PWM_B
PWM
Rcv.
Ctrl.
Timing
Gate
Drive
PWM_A
PWM
Rcv.
Ctrl.
Timing
Gate
Drive
VREG
www.ti.com
VDD
VREG
AGND
GND
Isense
FB/PFBâConfiguration
Pulldown Resistor
FB/PFBâConfiguration
Pulldown Resistor
FB/PFBâConfiguration
Pulldown Resistor
FB/PFBâConfiguration
Pulldown Resistor
OC_ADJ
GVDD_D
BST_D
PVDD_D
OUT_D
GND_D
GVDD_C
BST_C
PVDD_C
OUT_C
GND_C
GVDD_B
BST_B
PVDD_B
OUT_B
GND_B
GVDD_A
BST_A
PVDD_A
OUT_A
GND_A
6
Copyright © 2009â2011, Texas Instruments Incorporated
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