 English |
|
|
|
|
|
|
|
| DRV8850_16 Datasheet, PDF (19/30 Pages) Texas Instruments – Low-Voltage H-Bridge IC with LDO Voltage Regulator | |||
| |||
| ◁ |
www.ti.com
8 Application and Implementation
DRV8850
SLVSCC0B â NOVEMBER 2013 â REVISED DECEMBER 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. TIâs 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 DRV8850 can be used to drive a DC motor.
8.2 Typical Application
BDC
1 GND DRV8850 GND 24
2 OUT1
OUT2 23
3 OUT1
OUT2 22
4 OUT1
OUT2 21
5.5 V
5 IN1H
VCC 20
6 IN1L
7 IN2H
VCC 19
VCC 18
0.1 µF
10 µF
0.1 µF
8 IN2L
9 nSLEEP
VCP 17
VPROPI 16 4.3 kâ¦
3.2 V
10 LDOEN
LDOOUT 15
24 kâ¦
11 SR
12 GND
LDOFB 14
GND 13
3 kâ¦
2.2 µF
1 kâ¦
8.2.1 Design Requirements
Table 4 lists the parameters for this design example.
DESIGN PARAMETER
Supply Voltage
LDO Output Voltage
Slew Rate
HS FET On Resistance
LS FET On Resistance
Motor Rated Current
Table 4. Design Parameters
REFERENCE
VM
VLDO
SR
RDS(ON)_HS
RDS(ON)_LS
IM
EXAMPLE VALUE
5.5 V
3.2 V
700 ns
35 mâ¦
30 mâ¦
2A
Copyright © 2013â2015, Texas Instruments Incorporated
Product Folder Links: DRV8850
Submit Documentation Feedback
19
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese