WMSIC Electronic Components

XTX XTM4119AS3CT

ModelXTM4119AS3CT
PackageSOT-23-6
BrandXTX
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
XTX XTM4119AS3CT
Type
XTX
Minimum package
3000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
XTX
Electronic Component
XTM4119AS3CT
Electronic Component
1
Package
SOT-23-6
Electronic Component
Brushed DC Motor Driver IC
Electronic Component
0.212g
Electronic Component
1
Integrated FET
Electronic Component
Features
Electronic Component
Electronic Component
BM0264753853
Resistor
2Ω
Current
800mA
Operating Temperature
40℃~+85℃
Operating Voltage
2.4V~18V
Output Current
500mA

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

XTM4119AS3CT — 18V/0.5A 集成FET 直流有刷马达驱动器产品概述

一、产品简介

XTM4119AS3CT 是芯天下(XTX)推出的一款高集成度、面向小功率直流有刷马达的驱动器。器件内置功率FET,支持连续输出电流500mA、峰值800mA,工作电压范围宽(2.4V–18V),并具备主动制动功能和极低静态电流(Iq=1μA),非常适合电池供电、低功耗场景下的有刷直流电机控制。器件采用SOT-23-6小封装,并可与 XTM4118、TMI8118 实现Pin-to-Pin兼容,便于方案替换与量产切换。

二、主要性能参数

  • 集成FET:有
  • 连续输出电流:500mA
  • 峰值电流:800mA(短时)
  • 工作电压:2.4V ~ 18V
  • 导通电阻(RDS(on)):2Ω
  • 静态电流(Iq):1μA
  • 工作温度:-40℃ ~ +85℃
  • 功能特性:主动制动(Brake)
  • 封装:SOT-23-6
  • 品牌:XTX(芯天下)

三、功能亮点

  • 高集成度:内置功率MOSFET,外部器件少,简化PCB布局和BOM。
  • 主动制动功能:能够在要求快速停机或位置固定时,通过短接输出实现制动,提升系统响应。
  • 超低静态电流:待机功耗极低,适合手持与电池驱动设备,延长续航。
  • 宽输入电压:支持2.4V以下到18V的电源范围,适配常见单节锂电、两节锂电或线性电源系统。
  • 体积小:SOT-23-6封装,便于体积受限应用。

四、典型应用场景

  • 玩具与小型电动模型驱动电机
  • 智能家居小型执行机构(窗帘、门锁微型电机)
  • 便携式设备、手持工具的驱动与定位
  • 机器人小型驱动、舵机辅助驱动单元
  • 相机模组、镜头对焦马达

五、工程使用建议

  • 电源去耦:建议在VCC近端布置低ESR电解或钽电容(例如10μF)并并联0.1μF陶瓷,以抑制回路瞬变和抑止电机反向尖峰。
  • 热设计:在最大持续电流下,器件功耗主要由I^2·RDS(on)决定。以500mA为例,P ≈ 0.5^2×2Ω = 0.5W,需在PCB上留出足够散热铜箔和热过孔,避免长期过热。
  • 峰值管理:800mA为短时允许电流,不建议长期运行,必要时通过PWM占空比或软件限流控制避免过热。
  • 制动注意:主动制动会导致电流回流到驱动器,短时间内电流峰值增大,请确保供电与热设计能够承受制动瞬态。
  • 布线与抑制:长电机引线应考虑添加TVS或RC抑制网络以降低EMI和浪涌影响。

六、封装与替代兼容

  • 封装:SOT-23-6,适用于SMT批量生产与小体积方案。
  • 兼容性:支持与XTM4118、TMI8118 SOT-23-6型号的Pin-to-Pin替换,便于现有设计迁移与供应替换。

XTM4119AS3CT 面向对体积、功耗和成本敏感的有刷直流马达控制场景,提供了较高的集成度与实用功能。对于需要进一步电气细节(引脚排列、电气特性曲线、典型应用电路图)或样片/量产支持,请联系芯天下(XTX)技术支持或参考产品数据手册。

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