a4982 Allegro MicroSystems, Inc., a4982 Datasheet - Page 3
a4982
Manufacturer Part Number
a4982
Description
Dmos Microstepping Driver With Translator And Overcurrent Protection
Manufacturer
Allegro MicroSystems, Inc.
Datasheet
1.A4982.pdf
(19 pages)
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A4982
ENABLE
RESET
SLEEP
STEP
VDD
REF
MS1
MS2
DIR
V
Translator
REF
DAC
DAC
Regulator
Current
VREG
Mixed Decay
Mixed Decay
PWM Latch
PWM Latch
Blanking
Blanking
Control
Logic
0.22 F
DMOS Microstepping Driver with Translator
Functional Block Diagram
OSC
ROSC
Drive
Gate
OCP
OCP
DMOS Full Bridge
DMOS Full Bridge
CP1
Charge
Pump
and Overcurrent Protection
0.1 F
CP2
VCP
VBB1
VBB2
OUT1A
OUT1B
SENSE1
OUT2A
OUT2B
SENSE2
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
R
R
S1
S2
0.1 F
3