DRV8823_16 Datasheet, PDF (3/32 Pages) Texas Instruments – 4-Bridge Serial Interface Motor Driver

www.ti.com
5 Pin Configuration and Functions
DRV8823
SLVS913E – JANUARY 2009 – REVISED JANUARY 2016
VM 1
VM 2
AOUT2 3
AISEN 4
AOUT1 5
NC 6
CP1 7
CP2 8
VCP 9
PGND 10
Solder These
Pins to Copper
Heatsink Area
PGND 11
PGND 12
PGND 13
PGND 14
PGND 15
V3P3 16
ABVREF 17
CDVREF 18
TEST 19
DOUT2 20
DISEN 21
DOUT1 22
VM 23
VM 24
DCA Package
48-Pin HTSSOP
Top View
48 BOUT1
47 BISEN
46 BOUT2
45 SCS
44 NC
43 RESETn
42 SLEEPn
41 NC
40 NC
39 PGND
38 PGND
37
36
PGND
PGND
Solder These
Pins to Copper
Heatsink Area
35 PGND
34 PGND
33 SCLK
32 TEST
31 SDATA
30 SSTB
29 TEST
28 TEST
27 COUT1
26 CISEN
25 COUT2
PIN
NAME
NO.
POWER AND GROUND
1
2
VM
23
24
V3P3
16
GND
10 to 15
34 to 39
CP1
7
CP2
8
VCP
9
MOTOR DRIVERS
ABVREF
17
AOUT1
5
AOUT2
3
ISENA
4
BOUT1
48
BOUT2
46
ISENB
47
I/O ⁽¹⁾
Pin Functions
DESCRIPTION
EXTERNAL COMPONENTS OR CONNECTIONS
—
Motor supply voltage (multiple pins)
Connect all VM pins together to motor supply voltage.
Bypass to GND with several 0.1-μF, 35-V ceramic capacitors.
— 3.3-V regulator output
— Power ground (multiple pins)
I/O
Charge pump flying capacitor
I/O
I/O Charge pump storage capacitor
I
Bridge A and B current set
reference voltage
O Bridge A output 1
O Bridge A output 2
— Bridge A current sense
O Bridge B output 1
O Bridge B output 2
— Bridge B current sense
Bypass to GND with 0.47-μF, 6.3-V ceramic capacitor.
Connect all PGND pins to GND and solder to copper heatsink
areas.
Connect a 0.01-μF capacitor between CP1 and CP2
Connect a 0.1-μF, 16-V ceramic capacitor to V_M
Sets current trip threshold.
Connect to first coil of bipolar stepper motor 1, or DC motor
winding.
Connect to current sense resistor for bridge A.
Connect to second coil of bipolar stepper motor 1, or DC motor
winding.
Connect to current sense resistor for bridge B.
(1) Directions: I = Input, O = Output, OZ = Tri-state output, OD = Open-drain output, I/O = Input/output, PU = Internal pullup
Copyright © 2009–2016, Texas Instruments Incorporated
Submit Documentation Feedback
3
Product Folder Links: DRV8823