DRV8886AT Datasheet, PDF (12/40 Pages) Texas Instruments – 2-A Stepper Motor Driver With Integrated Current Sense and AutoTune Technology

DRV8886AT
SLVSDO1 – JANUARY 2017
7.2 Functional Block Diagram
VM
0.01 F
0.01 F Bulk
VM
VM
0.22 F
VCP
CPH
0.022 F
CPL
AVDD
0.47 F
DVDD
0.47 F
GND
STEP
DIR
Power
Charge
Pump
AVDD
Regulator
DVDD
Regulator
Digital
Core
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VM
AOUT1
Gate
Drivers
Current
Sense
VM
Stepper
Motor
AOUT2
IREF
SINE DAC
Current
Sense
PGND
VM
ENABLE
nSLEEP
M1
M0
TRQ
DECAY
Control
Inputs
DVDD
DVDD
DVDD
DVDD
IREF
RREF
RREF
RREF
Analog
Input
Microstepping
Indexer
Adaptive
Blanking
Gate
Drivers
Current
Sense
VM
IREF
SINE DAC
Protection
Overcurrent
Undervoltage
Overtemperature
Current
Sense
Fault Output
BOUT1
BOUT2
PGND
VCC
RPU
nFAULT
12
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Copyright © 2017, Texas Instruments Incorporated