A3982 データシートの表示（PDF） - Allegro MicroSystems
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コンポーネント説明
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A3982 Datasheet PDF : 11 Pages
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A3982
DMOS Stepper Motor Driver with Translator
Functional Block Diagram
0.22 μF
0.1 μF
VDD
REF
VREG
Current
Regulator
DAC
STEP
DIR
RESET
MS1
Translator
PWM Latch
Blanking
Mixed Decay
Control
Logic
ENABLE
PWM Latch
Blanking
Mixed Decay
DAC
ROSC
OSC
CP1
CP2
Charge
Pump
VCP
DMOS Full Bridge
VBB1
0.1 μF
OUT1A
OUT1B
Gate
Drive
DMOS Full Bridge
SENSE1
RS1
VBB2
OUT2A
OUT2B
SENSE2
RS2
VREF
Allegro MicroSystems, LLC
3
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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