DRV8824-Q1_15 Datasheet, PDF (10/30 Pages) Texas Instruments – DRV8824-Q1 Automotive Motor Controller IC

DRV8824-Q1
SLVSCH0 – APRIL 2014
8.2 Functional Block Diagram
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3.3 V
V3P3OUT
3.3 V
AVREF
BVREF
nENBL
STEP
DIR
DECAY
MODE0
MODE1
MODE2
nRESET
nSLEEP
nHOME
VM
LS Gate
Drive
V3P3OUT
Internal
VCC
Low Side
Gate
Drive
CP1
Charge
CP2
Pump
HS Gate
Drive
VM
VCP
VM
Motor Driver
A
VM
VMA
+
AOUT1
AOUT2
+
Stepper
Motor
±
+
±
ISENA
Control
Logic/
Indexer
Motor Driver
B
VM
VMB
BOUT1
BOUT2
nFAULT
Thermal
Shut
Down
ISENB
GND
PPAD
GND
10
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