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| 型号： | A3980KLP |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 2/19页 |
| 文件大小： | 0K |
| 描述： | IC DRIVER MICROSTEPPING 28-TSSOP |
| 标准包装： | 50 |
| 应用： | 步进电机驱动器 |
| 输出数： | 1 |
| 电流 - 输出： | ± 1A |
| 电压 - 负载： | 7 V ~ 50 V |
| 电源电压： | 3 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SOIC（0.173"，4.40mm 宽）裸露焊盘 |
| 供应商设备封装： | 28-TSSOP 裸露焊盘 |
| 包装： | 管件 |
A3980
Automotive DMOS Microstepping Driver with Translator
Features and Benefits
Description
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Typical application up to ±1 A, 35 V output rating
Low R DS(ON) outputs, 0.67 Ω source, 0.54 Ω sink typical
Automatic current decay mode detection/selection
3.0 V to 5.5 V logic supply voltage range
Mixed, fast, and slow current decay modes
Synchronous rectification for low power dissipation
Internal OVLO, UVLO, and thermal shutdown circuitry
Crossover current protection
Short to supply/ground and short/low load current
diagnostics
The A3980 is a complete microstepping motor driver with
built-in translator for easy operation. It is designed to operate
bipolar stepper motors in full-, half-, eighth-, and sixteenth-
step modes, at up to 35 V and ±1 A. The A3980 includes a
fixed off-time current regulator which has the ability to operate
in slow, fast, or mixed decay modes. This results in reduced
audible motor noise, increased step accuracy, and reduced
power dissipation.
The translator is the key to the easy implementation of the
A3980. Simply inputting one pulse on the step input drives
the motor one microstep. There are no phase sequence tables,
high frequency control lines, or complex interfaces to program.
The A3980 interface is an ideal fit for applications where a
Package: 28 pin TSSOP with exposed
thermal pad (suffix LP)
Approximate Size
complex μ P is unavailable or overburdened.
Internal synchronous rectification control circuitry is provided
to improve power dissipation during PWM operation.
Internal circuit protection includes: thermal shutdown with
hysteresis, overvoltage lockout (OVLO), undervoltage lockout
(UVLO), and crossover current protection. Special power-up
sequencing is not required. In addition, two diagnostic fault flags
provide indication of shorts or opens on the motor windings.
The A3980 is supplied in a low-profile (1.1 mm) 28L TSSOP
with exposed thermal pad. This device is lead (Pb) free, with
100% matte tin leadframe plating.
Typical Application
26184.26H
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相关代理商/技术参数 |
参数描述 |
|---|---|
| A3980KLP-T | 功能描述:IC MOTOR DRIVER MICROSTEP 28-TSS 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: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 |
| A3980KLP-T | 制造商:Allegro MicroSystems 功能描述:Driver IC Package/Case:28-TSSOP |
| A3980KLPTR | 功能描述:IC DRIVER MICROSTEPPING 28-TSSOP 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 |
| A3980KLPTR-T | 功能描述:IC DRIVER MICROSTEPPING 28-TSSOP 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 |
| A3981 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Automotive, Programmable Stepper Driver |
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