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| DRV8701_15 Datasheet, PDF (25/42 Pages) Texas Instruments – DRV8701 Brushed DC Motor Full-Bridge Gate Driver | |||
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www.ti.com
DRV8701
SLVSCX5B â MARCH 2015 â REVISED JULY 2015
7.3.14 Reverse Supply Protection
The following circuit may be implemented to protect the system from reverse supply conditions. This circuit
requires the following additional components:
⢠NMOS FET
⢠npn BJT
⢠Diode
⢠10-kΩ resistor
⢠43-kΩ resistor
VM
10 kÂ
0.1 µF
1 µF
0.1 µF
CP1 CP2 VCP VM
43 kÂ
Bulk +
10 µF min
GH1
SH1
GL1
BDC
GH2
SH2
GL2
SP
RSENSE
SN
Figure 32. Reverse Supply Protection External Circuitry
Copyright © 2015, Texas Instruments Incorporated
Product Folder Links: DRV8701
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