参数资料
型号: A4988SETTR-T
厂商: Allegro Microsystems Inc
文件页数: 3/20页
文件大小: 0K
描述: IC MICROSTEPPER MOTOR DRVR 28QFN
特色产品: A498x Motor Driver Family
标准包装: 1
应用: 步进电机驱动器
输出数: 1
电流 - 输出: ±2A
电压 - 负载: 8 V ~ 35 V
电源电压: 3 V ~ 5.5 V
工作温度: -20°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-VFQFN 裸露焊盘
供应商设备封装: 28-QFN/MLP 裸露焊盘(5x5)
包装: 标准包装
其它名称: 620-1343-6
A4988
DMOS Microstepping Driver with Translator
And Overcurrent Protection
Functional Block Diagram
0.22 F
0.1 F
VREG
ROSC
CP1
CP2
VDD
Current
Regulator
OSC
Charge
Pump
VCP
0.1 F
REF
DAC
DMOS Full Bridge
VBB1
OUT1A
OUT1B
STEP
PWM Latch
Blanking
Mixed Decay
OCP
SENSE1
DIR
RESET
MS1
MS2
MS3
ENABLE
Translator
Control
Logic
PWM Latch
Blanking
Gate
Drive
OCP
DMOS Full Bridge
VBB2
OUT2A
OUT2B
SENSE2
R S1
SLEEP
V REF
DAC
Mixed Decay
R S2
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
3
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A4989 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:The A4989 is a dual full-bridge gate driver with integrated microstepping translator suitable for driving a wide range of higher power industrial bipolar 2-phase stepper motors (typically 30 to 500 W).
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