Datasheet

Over-
Temp
AOUT1
GND
STEP / BENBL
VM
Logic
AOUT2
VM
Gate
Drive
&
OCP
BOUT1
VM
BOUT2
VM
Gate
Drive
&
OCP
BISEN
AISEN
Step
Motor
ISEN
ISEN
DIR / BPHASE
M0 / APHASE
M1
0.01µF
VM
VM
VCP
VM
Internal
Ref &
Regs
VINT
nFAULT
nSLEEP
AVREF
BVREF
VREFO
ADECAY
nENBL / AENBL
BDECAY
CONFIG
VM
VREFO
Charge
Pump
10µF
+
2.2µF
0.01µF
VM
VINT,
refs,
Int. supp.
VCP
PUC,
UVLO
VREFO
DCM
DCM
DRV8834
SLVSB19C –FEBRUARY 2012–REVISED JUNE 2013 www.ti.com
DEVICE INFORMATION
Functional Block Diagram
2 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated
Product Folder Links: DRV8834