Datasheet

Thermal
Shut down
AOUT1
AOUT2
BOUT1
BOUT2
GND
GND
Step
Motor
VMA
VMB
ISENA
ISENB
STEP
DIR
MODE1
MODE2
AVREF
VM
VM
Internal
Reference &
Regs
Int. VCC
Motor
Driver B
nFAULT
Indexer /
Control
Logic
nRESET
Motor
Driver A
nENBL
nSLEEP
VM
V3P3OUT
3.3V
LS Gate
Drive
+
+
-
-
3.3V
BVREF
MODE0
nHOME
VM
DECAY
Charge
Pump
0.1 Fm
0.01 Fm
VM
CP1
CP2
VCP
HS Gate
Drive
1MW
DRV8824
SLVSA06G –OCTOBER 2009–REVISED AUGUST 2013 www.ti.com
DEVICE INFORMATION
Functional Block Diagram
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