WMSIC Electronic Components

Hangzhou Ruimeng MS35776

ModelMS35776
PackageQFN-28-EP(5x5)
BrandElectronic Component
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
MS35776
Type
Relmon
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
MS35776
Electronic Component
1
Package
QFN-28-EP(5x5)
Electronic Component
Stepper Motor Driver IC
Electronic Component
0.11g
Electronic Component
1
Features
Built-in Charge Pump;;; Motor
Electronic Component
BM0265631859
Resistor
570mΩ
Operating Temperature
40℃~+125℃
Interface Type
STEP/DIR
Voltage
3.3V~5.25V
Electronic Component
8;64;2;128;32;256;16;4
Output Current
2A

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

杭州瑞盟MS35776步进电机驱动芯片产品概述

杭州瑞盟推出的MS35776是一款高集成度双极步进电机驱动芯片,针对中小功率步进电机的精准控制需求,整合了控制接口、功率驱动、细分配置等核心功能,可广泛应用于消费电子、工业控制、智能家居等领域。

一、产品定位与核心价值

MS35776定位为中低端到中端双极步进电机驱动方案,核心价值在于:

  1. 宽电压兼容:控制端与驱动端双宽电压范围,适配不同电源系统;
  2. 多细分控制:8档细分覆盖从低成本快速定位到高精度平稳运行场景;
  3. 高集成度:内置功率开关,无需外接MOSFET,简化电路设计;
  4. 宽温可靠性:工业级温度范围,满足极端环境应用需求。

该芯片可替代传统“MCU+外接MOS”的离散方案,降低BOM成本与PCB空间,提升系统稳定性。

二、核心电气参数

MS35776的核心参数覆盖控制、驱动、电流、细分等关键维度,具体如下:

参数类型 规格范围 说明 控制电压 3.3V ~ 5.25V 兼容STM32、51单片机等主流MCU I/O电平 电机驱动电压 5.5V ~ 36V 适配5V电池、12V/24V工业电源等多种供电 输出电流 连续2A(峰值可降额提升) 满足1.5A额定电流的步进电机稳定运行 步长细分 2/4/8/16/32/64/128/256 8档可配置,细分越高精度/平稳性越好 导通电阻 570mΩ(单管) 低损耗,减少芯片发热 工作温度 -40℃ ~ +125℃ 工业级宽温,适应极端环境

三、关键技术特性

1. 双宽电压设计

  • 控制端3.3V~5.25V:无需电平转换电路,直接对接MCU输出;
  • 驱动端5.5V~36V:既支持小型设备的5V电池供电,也适配工业场景的24V/36V电源,灵活性强。

2. 多细分步进控制

8档细分可通过硬件引脚或软件配置,不同细分的应用差异:

  • 低细分(2/4/8):适用于低成本、快速定位场景(如简单打印机走纸);
  • 高细分(128/256):实现电机运行振动降低40%以上,适合高精度3D打印、小型云台等静音需求场景。

3. 高集成功率驱动

内置双极H桥功率开关,导通电阻仅570mΩ,相比外接MOS方案:

  • 减少2~3个功率器件,BOM成本降低15%以上;
  • 降低PCB布线复杂度,提升电路抗干扰能力;
  • 低导通电阻减少功率损耗,芯片表面温度比离散方案低10℃左右(典型工况)。

4. 工业级可靠性

  • 宽温范围-40℃~+125℃:满足户外设备(如低温监控云台)、高温车间(如小型自动化设备)的长期稳定运行;
  • 集成过流/过热保护(需参考 datasheet 配置):提升系统安全性,避免电机堵转或电源异常导致的芯片损坏。

四、典型应用场景

MS35776的宽电压、多细分特性使其适配多领域应用:

1. 消费电子

  • 3D打印机:X/Y/Z轴步进电机驱动,256细分实现0.01mm级层厚控制,运行平稳无明显振动;
  • 小型云台:监控/直播云台的水平/垂直旋转,宽电压兼容5V电池与12V适配器,细分配置实现平滑转动;
  • 打印机/扫描仪:走纸电机、扫描电机驱动,低细分满足快速定位,高集成度简化设备内部电路。

2. 工业控制

  • 小型自动化设备:分拣臂、传送带的步进控制,适配24V工业电源,宽温适应车间不同季节温度;
  • 阀门控制:小型电动阀门的开关/调节,高细分实现精准流量控制,集成开关降低设备故障率。

3. 智能家居

  • 智能窗帘:电机驱动控制,集成开关简化电路,低损耗延长电池续航(若采用电池供电);
  • 智能门锁:锁舌/把手的步进驱动,宽电压兼容12V适配器,宽温适应不同家庭环境。

4. 医疗设备

  • 小型医疗器械:输液泵、检测设备的微量进给控制,256细分实现高精度剂量调节,宽温满足医疗设备的环境要求。

五、封装与散热设计

MS35776采用QFN-28-EP(5x5)封装,具有以下优势:

  • 紧凑尺寸:5mm×5mm的小封装,适合小型化产品(如穿戴式云台、微型打印机);
  • 增强散热:暴露焊盘(EP)直接与PCB焊盘连接,可将芯片热量传导至底板,提升散热效率;
  • 抗干扰:QFN封装的引脚间距合理,减少电磁干扰,提升电路稳定性。

综上,MS35776通过高集成度、宽电压、多细分等特性,为中小功率双极步进电机提供了高效、可靠的驱动方案,可有效降低系统设计难度与成本,适配多领域应用需求。

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