DRV8842 Datasheet, PDF (2/18 Pages) Texas Instruments – DC MOTOR DRIVER IC

DRV8842
SLVSAB8D – MAY 2010 – REVISED JANUARY 2012
DEVICE INFORMATION
Functional Block Diagram
VM ^VM
V3P3OUT
3.3V
3.3V
VREF
VREF
Internal
Reference &
Regs
Thermal
Shut down
Int. VCC
LS Gate
Drive
Charge
Pump
CP1
CP2
0.01mF
VM
HS Gate
Drive
VCP
0.1mF
VM
VM
VM
IN1
IN2
I0
I1
I2
I3
I4
DECAY
nRESET
nSLEEP
nFAULT
Control
Logic
Motor
Driver
OUT1
OUT1
DCM
OUT2
OUT2
ISEN
ISEN
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+
Step
Motor
-
+-
GND
GND
2
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