参数资料
型号: A4950ELJTR-T
厂商: Allegro Microsystems Inc
文件页数: 4/9页
文件大小: 0K
描述: IC PWM MOTOR DVR FULL BRDG 8SOIC
特色产品: A4950 DMOS Full-Bridge Motor Driver IC
标准包装: 1
应用: 直流电机驱动器,PWM 电机驱动器
评估套件: 可供
输出数: 1
电流 - 输出: 3.5A
电压 - 负载: 8 V ~ 40 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOICN 裸露焊盘
包装: 标准包装
配用: 620-1426-ND - BOARD EVAL MOTOR CONTROL A4950
其它名称: 620-1400-6
A4950
Full-Bridge DMOS PWM Motor Driver
Characteristic Performance
PWM Control Timing Diagram
V IN(1)
IN1
GND
V IN(1)
IN2
GND
+I REG
I OUT(x)
0A
-I REG
Forward/
Fast Decay
Reverse/
Fast Decay
Forward/
Slow Decay
Reverse/
Slow Decay
PWM Control Truth Table
IN1
0
1
0
1
1
0
IN2
1
0
1
0
1
0
10 × V S > V REF
False
False
True
True
False
False
OUT1
L
H
H/L
L
L
Z
OUT2
H
L
L
H/L
L
Z
Function
Reverse
Forward
Chop (mixed decay), reverse
Chop (mixed decay), forward
Brake (slow decay)
Coast, enters Low Power Standby mode after 1 ms
Note: Z indicates high impedance.
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
4
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A4952 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Designed for pulse width modulated (PWM) control of DC motors, the A4952 and A4953 are capable of peak output currents to ?±2 A and operating voltages to 40 V.
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