DRV8812_14 Datasheet, PDF (2/23 Pages) Texas Instruments – DUAL-BRIDGE MOTOR CONTROLLER IC

DRV8812
SLVS997F – OCTOBER 2009 – REVISED AUGUST 2013
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VM
VM
3.3V
3.3V
V3P3OUT
AVREF
BVREF
APHASE
AENBL
AI0
AI1
BPHASE
BENBL
BI0
BI1
DECAY
nRESET
nSLEEP
nFAULT
DEVICE INFORMATION
Functional Block Diagram
Internal
Reference &
Regs
Thermal
Shut down
Int. VCC
LS Gate
Drive
Charge
Pump
HS Gate
Drive
CP1
CP2
0.01mF
VM
VCP
0.1mF
VMA
1MW
VM
Motor
Driver A
AOUT1
AOUT2
ISENA
+
Step
DCM
Motor
-
+-
Control
Logic
Motor
Driver B
VM
VMB
BOUT1
BOUT2
DCM
ISENB
GND
GND
2
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