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参数资料
| 型号： | A3955SLBTR-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 7/14页 |
| 文件大小： | 0K |
| 描述： | IC MOTOR DRIVER PWM FULL 16-SOIC |
| 标准包装： | 1 |
| 应用： | 步进电机驱动器 |
| 输出数： | 1 |
| 电流 - 输出： | ±1.5A |
| 电压 - 负载： | 4.5 V ~ 50 V |
| 电源电压： | 4.5 V ~ 5.5 V |
| 工作温度： | -20°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC W |
| 包装： | 标准包装 |
| 产品目录页面： | 1140 (CN2011-ZH PDF) |
| 其它名称： | 620-1134-6 |
A3955
Full-Bridge PWM Microstepping Motor Driver
Note the A3955SB (DIP) and the A3955SLB
(SOIC) are electrically identical and share a
common terminal number assignment.
Terminal Functions
Terminal
1
2
3
4-5
Name
PFD
REF
RC
GROUND
Description
(Percent Fast Decay) The analog input used to set the current-decay mode.
(V REF ) The voltage at this input (along with the value of R S and the states of DAC inputs
D 0 , D 1 , and D 2 ) set the peak output current.
The parallel combination of external resistor R T and capacitor C T set the off time for the
PWM current regulator. C T also sets the blanking time.
Return for the logic supply (V CC ) and load supply (V BB ); the reference for all voltage
measurements.
6
LOGIC SUPPLY (V CC ) Supply voltage for the logic circuitry. Typically = 5 V.
7
8
9
10
11
12-13
14
15
16
PHASE
D 2
D 1
OUT A
SENSE
GROUND
D 0
OUT B
LOAD SUPPLY
The PHASE input determines the direction of current in the load.
(DATA 2 ) One-of-three (MSB) control bits for the internal digital-to-analog converter.
(DATA 1 ) One-of-three control bits for the internal digital-to-analog converter.
One-of-two output load connections.
Connection to the sink-transistor emitters. Sense resistor R S is connected between this
point and ground.
Return for the logic supply (V CC ) and load supply (V BB ); the reference for all voltage
measurements.
(DATA 0 ) One-of-three (LSB) control bits for the internal digital-to-analog converter.
One-of-two output load connections.
(V BB ) Supply voltage for the load.
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
6
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| A3967SLB-T | IC MOTOR DRIVER PWM FULL 24-SOIC |
| A3968SLBTR | IC MOTOR DRIVER PWM DUAL 16SOIC |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| A3956SLB | 制造商:Allegro MicroSystems LLC 功能描述:ELECTRONIC COMPONENT |
| A3957SA | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:FULL-BRIDGE PWM MICROSTEPPING MOTOR DRIVER |
| A3957SLB | 制造商:Allegro MicroSystems LLC 功能描述: |
| A3958 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:DMOS FULL-BRIDGE PWM MOTOR DRIVER |
| A3958SB | 功能描述:IC MOTOR DRIVER PWM FULL 24-DIP RoHS:否 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:直流电机驱动器，步进电机驱动器 评估套件:- 输出数:1 或 2 电流 - 输出:750mA 电压 - 负载:10 V ~ 40 V 电源电压:4.5 V ~ 5.5 V 工作温度:-20°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-BFSOP（0.295"，7.50mm 宽） 供应商设备封装:24-SOP 包装:Digi-Reel® 其它名称:MTS62C19A-HS105DKR |
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