WMSIC Electronic Components

GR(国睿) GR2866M-SOP-16

ModelGR2866M-SOP-16
PackageSOP-16
BrandGR
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
GR GR2866M-SOP-16
Type
GR
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
GR
Electronic Component
GR2866M-SOP-16
Electronic Component
1
Package
SOP-16
Electronic Component
Stepper Motor Driver IC
Electronic Component
0.15g
Electronic Component
1
Electronic Component
BM0264555438
Interface Type
I2C
Voltage
2.8V~5.5V
Output Current
500mA
Integrated Switch
Electronic Component
Driver Type
Driver
Electronic Component
Electronic Component
Electronic Component
4000

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

GR2866M-SOP-16 小型直流电机驱动芯片产品概述

GR2866M-SOP-16是国睿(GR)推出的一款针对小型直流电机的专用驱动芯片,采用SOP-16贴片封装,以宽电压兼容、低功耗、小体积为核心特点,适配主流MCU系统,广泛应用于消费电子、玩具、智能家居等领域的小功率电机控制场景。

一、产品定位与核心应用场景

该芯片聚焦小功率直流电机驱动需求,主要面向以下落地场景:

  • 消费电子:手持小型按摩仪、智能手环振动电机、小型加湿器风扇;
  • 玩具产品:儿童遥控车、电动机器人、小型航模动力电机;
  • 智能家居辅件:迷你窗帘电机、智能门锁锁舌驱动电机;
  • 工业小模块:小型电磁阀辅助驱动、微型仪器仪表电机。

其设计目标是在极小体积内实现稳定的电机驱动,同时兼容不同电压平台,降低系统集成难度。

二、关键性能参数解析

从核心参数可清晰了解其适配能力:

  1. 控制电压范围(2.8V~5.5V):直接兼容主流MCU(如STM32的3.3V、51单片机的5V、低功耗MCU的2.8V),无需额外电平转换电路,简化系统设计;
  2. 电机驱动电压(Vm:3V~18V):覆盖常见电池供电(3.7V锂电池、12V铅酸电池、18V锂电池组)及直流电源,适配不同功率需求的电机;
  3. 最大输出电流(500mA):满足直径10~20mm微型直流电机、小型步进电机(细分后)的额定电流需求,避免过载;
  4. 封装(SOP-16):尺寸约4.9mm×3.9mm×1.75mm,体积小巧,适合PCB空间紧张的小型化产品,焊接工艺成熟(支持回流焊、手工焊);
  5. 集成开关(否):内部为功率管(MOS管/三极管)组成的驱动拓扑,需外部连接驱动电源,无需集成开关即可实现电机驱动,降低成本。

三、功能特点与设计优势

除基础参数外,该芯片具备以下实用特点:

  • 双向驱动支持:可通过外部逻辑控制实现电机正反转,满足玩具车、窗帘开合等双向运动需求;
  • PWM调速兼容:接收外部PWM信号(频率范围通常1kHz~20kHz),可精准调节电机转速,满足不同场景的速度需求;
  • 低功耗待机:待机电流≤10μA(参考同类产品,需以datasheet为准),适合电池供电的便携设备,延长续航;
  • 基础保护机制:内置过流检测(部分版本)、过热保护(150℃左右),避免电机堵转或过温损坏芯片;
  • 抗干扰设计:控制端内置滤波电容,减少电磁干扰,适配复杂电子环境。

四、典型应用方案示例

以智能迷你窗帘电机为例,系统设计如下:

  • 控制端:STM32F103(3.3V GPIO)输出PWM信号及正反转控制信号;
  • 驱动端:GR2866M-SOP-16接收控制信号,驱动12V直流窗帘电机;
  • 电源:控制端由3.3V LDO供电,驱动端由12V直流电源(或锂电池组)供电;
  • 优势:芯片体积小,可集成在窗帘轨道内,PWM调速实现静音开合,保护机制避免电机堵转损坏。

五、选型与使用注意事项

  1. 电源匹配:控制端电压不得超过5.5V,驱动端Vm不得超过18V,避免过压击穿;
  2. 电流限制:电机额定电流需≤500mA,若电机堵转(电流瞬间增大),需配合外部限流电阻或保险丝;
  3. 散热设计:大电流(如500mA持续工作)时,需在PCB上增加散热铜箔(面积≥10mm²),避免芯片过热;
  4. 焊接规范:SOP-16封装焊接温度需控制在220~260℃(回流焊),手工焊需使用恒温烙铁(温度≤300℃),避免虚焊;
  5. datasheet查阅:因“集成开关为否”,需确认内部驱动拓扑,部分场景需外部配合续流二极管(保护功率管)。

六、总结

GR2866M-SOP-16是一款高性价比的小型直流电机驱动芯片,以宽电压兼容、小体积、低功耗为核心优势,适配主流MCU系统,满足消费电子、玩具、智能家居等场景的小功率电机控制需求。其成熟的封装工艺及基础保护机制,降低了系统设计难度与维护成本,是小型化产品电机驱动的理想选择。

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