参数资料
型号: A3901SEJTR-T
厂商: Allegro Microsystems Inc
文件页数: 5/12页
文件大小: 0K
描述: IC MOTOR DRVR STEPPER DUAL 10MLP
标准包装: 1
应用: 直流电机驱动器,步进电机驱动器
输出数: 2/1
电流 - 输出: 300mA
电压 - 负载: 2.5 V ~ 5.5 V
电源电压: 2.5 V ~ 5.5 V
工作温度: -20°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-WFDFN 裸露焊盘
供应商设备封装: 10-TDFN/MLP(3x3)
包装: 标准包装
其它名称: 620-1159-6
A3901
Dual Full Bridge Low Voltage Motor Driver
Motor Operation Truth Table
INx 1
OUT1 2
OUT2 OUT3 OUT4
Function
Stepper Motor
IN1 IN2 IN3 IN4
0 0 0 0 OFF OFF OFF OFF
1 0 1 0 H L H L
0 0 1 0 OFF OFF H L
0 1 1 0 L H H L
0 1 0 0 L H OFF OFF
0 1 0 1 L H L H
0 0 0 1 OFF OFF L H
1 0 0 1 H L L H
1 0 0 0 H L OFF OFF
DC Motor (Dual)
IN1 or IN3 IN2 or IN4
Full Stepping
Sleep Mode
Step 1
Step 2
Step 3
Step 4
Half-Stepping
Sleep Mode
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6
Step 7
Step 8
0 0 OFF OFF OFF OFF
1 0 H L H L
0 1 L H L H
1 1 L L L L
DC Motor (Single, Paralleled)
IN1 and IN3 IN2 and IN4
0 0 OFF OFF OFF OFF
1 0 H L H L
0 1 L H L H
1 1 L L L L
DC Motor (External PWM)
IN1 or IN3 IN2 or IN4
Hi-Z (Sleep Mode)/Coast
Forward
Reverse
Brake
Hi-Z (Sleep Mode)/Coast
Forward
Reverse
Brake
1
0
0
0
1
1
0
1
0
0
1
0
0
1
1
1
H
OFF
L
OFF
H
L
L
L
L
OFF
H
OFF
L
L
H
L
H
OFF
L
OFF
H
L
L
L
L
OFF
H
OFF
L
L
H
L
Forward
Fast Decay
Reverse
Fast Decay
Forward
Slow Decay
Reverse
Slow Decay
1 0 = logic low, V INx < V IN(0)(max) ; 1 = logic high, V INx > V IN(1)(min)
2 H = voltage high, source driver on; L = voltage low, sink driver on
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
5
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