DRV8704 Datasheet, PDF (23/38 Pages) Texas Instruments – Dual H-Bridge PWM Gate Driver

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8 Application and Implementation
DRV8704
SLVSD29 – OCTOBER 2015
NOTE
Information in the following applications sections is not part of the TI component
specification, and TI does not warrant its accuracy or completeness. TI’s customers are
responsible for determining suitability of components for their purposes. Customers should
validate and test their design implementation to confirm system functionality.
8.1 Application Information
The DRV8704 is used in brushed DC motor control.
8.2 Typical Application
The following design procedure can be used to configure the DRV8704.
0.1 µF
VM
1 µF
+
bulk 0.01 µF
0.1 µF
1 µF
V5 V5
DRV8704DCP
1
38
CP1
GND
2
37
CP2
AOUT1
3
36
VCP
A1HS
4
35
VM
A1LS
5
34
GND
AISENP
6
33
V5
AISENN
7
32
VINT
A2LS
8
31
SLEEPn
A2HS
9
30
RESET
AOUT2
10
29
AIN1
GND
11
28
AIN2
BOUT1
12
27
BIN1
B1HS
13
26
BIN2
B1LS
14
25
SCLK
BISENP
15
24
SDATI
BISENN
16
23
SCS
B2LS
17
22
SDATO
B2HS
18
21
FAULTn
BOUT2
19
20
GND
RSVD
A1HS
AOUT1
A1LS
B1HS
BOUT1
B1LS
VM
BDC
AISENP
AISENN
VM
BDC
BISENP
BISENN
Figure 18. Dual Brushed-DC Motor Control
A2HS
AOUT2
A2LS
B2HS
BOUT2
B2LS
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