DRV8704 Datasheet, PDF (4/38 Pages) Texas Instruments – Dual H-Bridge PWM Gate Driver

DRV8704
SLVSD29 – OCTOBER 2015
PIN ⁽¹⁾
NAME
NO.
SDATO
17
STATUS
FAULTn
18
OUTPUT
A1HS
36
A1LS
35
A2HS
31
A2LS
32
AISENN
33
AISENP
34
AOUT1
37
AOUT2
30
B1HS
27
B1LS
26
B2HS
22
B2LS
23
BISENN
24
BISENP
25
BOUT1
28
BOUT2
21
Pin Functions (continued)
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TYPE
O Serial data output
DESCRIPTION
Serial data output to controller. Open-drain output requires
external pull-up.
OD Fault
Logic low when in fault condition. Open-drain output
requires external pullup.
O Bridge A out 1 HS gate
O Bridge A out 1 LS gate
O Bridge A out 2 HS gate
O Bridge A out 2 LS gate
I Bridge A Isense – in
I Bridge A Isense + in
I Bridge A output 1
I Bridge A output 2
O Bridge B out 1 HS gate
O Bridge B out 1 LS gate
O Bridge B out 2 HS gate
O Bridge B out 2 LS gate
I Bridge B Isense – in
I Bridge B Isense + in
I Bridge B output 1
I Bridge B output 2
Bridge A out 1 HS FET gate
Bridge A out 1 LS FET gate
Bridge A out 2 HS FET gate
Bridge A out 2 LS FET gate
Ground at sense resistor for bridge A
Current sense resistor for bridge A
Output node of bridge A out 1
Output node of bridge A out 2
Bridge B out 1 HS FET gate
Bridge B out 1 LS FET gate
Bridge B out 2 HS FET gate
Bridge B out 2 LS FET gate
Ground at sense resistor for bridge B
Current sense resistor for bridge B
Output node of bridge B out 1
Output node of bridge B out 2
4
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