DRV8823_15 Datasheet, PDF (2/21 Pages) Texas Instruments – 4-BRIDGE SERIAL INTERFACE MOTOR DRIVER

DRV8823
SLVS913D – JANUARY 2009 – REVISED JANUARY 2010
FUNCTIONAL BLOCK DIAGRAM
0.47uF
6.3V
V3P3
Dig.
VCC
ABVRE F
SDATA
SCLK
SCS
SSTB
RESETn
SLEEPn
Serial
Interface &
Logic
CDVREF
3.3V
Regulator
PWM H-bridge
driver A
PWM H-bridge
driver B
PWM H-bridge
driver C
PWM H-bridge
driver D
Charge
Pump and
Gate Drive
Regulator
VGD VCP
CP1
CP2
0.01uF
35V
+24
VCP
0.1uF
16V
+24
VM
AOUT1
AOUT2
AISEN
+24
VM
BOUT1
BOUT2
BI SEN
+24
VM
COUT1
COUT2
CISEN
+24
VM
DOUT1
DOUT2
DISEN
OCP
Thermal
Shut down
Oscillator
UVLO
RESE T
www.ti.com
Step
Motor
Step
Motor
GND
2
Submit Documentation Feedback
Product Folder Link(s): DRV8823
Copyright © 2009–2010, Texas Instruments Incorporated