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LD1201
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单相直流无刷电机驱动芯片
品牌：乐业达
工作电压范围：3.5V~16V
PWM调速：可以通过调整 PWM 信号的占空比进行调速
PWM输入范围：100Hz~100KHz
MINSP调速：特别适用于外置温控电阻的散热系统
应用：单相直流无刷马达、单相直流无刷风扇、CPU散热风扇、CPU水冷泵、GPU散热风扇等
Consult Now Download Sheet
Application Scenarios
笔记本电脑风扇 笔记本电脑风扇
笔记本电脑风扇
GPU散热风扇 GPU散热风扇
GPU散热风扇
CPU水冷泵 CPU水冷泵
CPU水冷泵
CUP散热风扇 CUP散热风扇
CUP散热风扇
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Product Description

芯片概述：


LD1201是一款采用数模混合技术设计的直流马达驱动IC 。


LD1201集成了精准电压源、霍尔传感器、控制器、功率驱动模块。支持宽电压范围至3.5V~16V 。


LD1201内置电源地反接保护，无需外加防反接二极管。在欠压下芯片会自动停止驱动，直到电压恢复到正常值。


LD1201适用于驱动单相直流无刷马达，PWM调速散热风扇等。


简洁的SOP-8封装使用更加方便。


芯片应用：


  • 单相直流无刷马达

  • 单相直流无刷风扇

  • CPU散热风扇

  • CPU水冷泵

  • GPU散热风扇





功能框图：

图片

引脚描述及说明：

图片


订购信息：

图片


Product Features

工作电压范围：3.5V~16V

PWM 调速：可以通过调整 PWM 信号的占空比进行调速

PWM 输入范围：100Hz~100KHz

MINSP 调速：特别适用于外置温控电阻的散热系统

软启动功能，能够消除启动时产生的尖峰电流，减小换相冲击

可通过 MINSP 电压设置最小输出占空比

PWM 端内部集成 10KΩ等效上拉电阻

软开关功能设计，有效降低风扇换相噪音

完备的保护功能：电源地反接保护、堵转保护、欠压保护、过温保护

内置 FG 输出

封装形式：平脚 SOP-8


Application Scenarios
笔记本电脑风扇
笔记本电脑风扇
GPU散热风扇
GPU散热风扇
CPU水冷泵
CPU水冷泵
CUP散热风扇
CUP散热风扇
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