DRV8813 Datasheet, PDF (2/18 Pages) Texas Instruments – DUAL-BRIDGE MOTOR CONTROLLER IC

DRV8813
SLVSA72C – APRIL 2010 – REVISED MAY 2011
VM
VM
DEVICE INFORMATION
Functional Block Diagram
V3P3OUT
3.3 V
3.3V
AVREF
BVREF
APHASE
AENBL
AI0
AI1
BPHASE
BENBL
BI0
BI1
DECAY
nRESET
nSLEEP
Internal
Reference &
Regs
Thermal
Shut down
Int. VCC
LS Gate
Drive
Charge
Pump
CP1
0.01 mF
CP2
VM
HS Gate
Drive
VCP
0.1 mF
VM
VMA
Motor
Driver A
AOUT1
AOUT2
DCM
ISENA
Control
Logic
Motor
Driver B
VM
VMB
BOUT1
DCM
BOUT2
nFAULT
ISENB
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+
Step
Motor
-
+-
GND
GND
2
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