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参数资料
| 型号： | A3901SEJTR-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 1/12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
Features and Benefits
Description
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Low R DS(on) outputs
Full- and half-stepping capability
Small package
Forward, reverse, and brake modes for DC motors
Sleep mode with zero current drain
PWM control up to 250 kHz
Crossover-current protection
Thermal shutdown (TSD)
The A3901 is a dual full-bridge motor driver, designed for low
voltage portable applications involving bipolar stepper or brush
DC motors. The outputs have been optimized for low voltage
drop, with currents up to ±400 mA (±800 mA with outputs
paralleled) and an operating voltage range of 2.5 to 5.5 V.
The four inputs (IN1 to IN4) can control a bipolar stepper motor
in full- or half-step mode, or DC motors in forward, reverse,
or brake mode. The inputs can be PWMed for current or speed
control at frequencies up to 250 kHz.
Internal protection circuitry includes thermal shut down (TSD)
and crossover (shoot-through) protection.
The A3901 is supplied in a 3 mm x 3 mm x 0.75 mm nominal
height, 10-lead DFN package, with exposed thermal pad
Package: 10 Contact DFN (suffix EJ)
(package “EJ”). This small footprint package is lead (Pb) free,
with 100% matte tin leadframe plating.
Approximate Scale 1:1
Typical Application
+VBAT
10 μF
10 V
VBB
CPU
IN1
IN2
IN3
A3901
OUT1
OUT2
OUT3
M
IN4
OUT4
GND
Figure 1. Typical stepper motor control
+VBAT
+VBAT
10 μF
10 V
VBB
10 μF
10 V
VBB
IN1
OUT1
M
IN1
OUT1
M
CPU
IN2
A3901
OUT2
CPU
IN2
A3901
OUT2
IN3
IN4
GND
OUT3
OUT4
M
IN3
IN4
GND
OUT3
OUT4
Figure 2. Typical dual DC motor control
3901-DS, Rev. 5
Figure 3. Typical single DC motor control (paralleled outputs)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| A3901SEJTR-T | 制造商:Allegro MicroSystems 功能描述:Motor Driver IC |
| A3903 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Low Voltage DC Motor Driver |
| A3903EEETR-T | 功能描述:IC MOTOR DRIVER DC LV 8-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电机和风扇控制器，驱动器 系列:- 标准包装:1 系列:- 应用:步进电机驱动器，1-2 相，2 相 评估套件:- 输出数:1 电流 - 输出:800mA 电压 - 负载:10 V ~ 28 V 电源电压:4.75 V ~ 5.25 V 工作温度:-20°C ~ 90°C 安装类型:表面贴装 封装/外壳:28-SOP + 2 翼片裸露焊盘 供应商设备封装:28-HSOPHC（15.2x7.9） 包装:剪切带 (CT) 其它名称:869-1268-1 |
| A3903EEETR-T-CUT | 制造商:Allegro MicroSystems LLC 功能描述: |
| A3904 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Low Voltage Voice Coil Motor Driver |
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