LB11861MC数据手册集成电路（IC）的电机驱动器控制器规格书PDF

描述 Description

The LB11861MC is a single-phase bipolar drive motor driver that easily implements direct PWM motor drive systems with excellent efficiency. The LB11861MC is optimal for fan motor drive in personal computer power supply systems and CPU cooling fan systems.

特性 Features

Single-phase full-wave drive (16V, 1.2A transistors are built in)
External PWM control pin incorporated (f=16k to 50kHz)External PWM signal DUTY control to enable speed control to stop, medium speed, and full speedSlow-Decay regeneration to enable low power consumption and high-efficiency rotation control
Soft switching circuit incorporatedSoft-SW circuit achieving small loss, low noise, and low vibration at a time of phase shift
Built-in regenerative diode (Di); only requires a minimal number of external components.
Built-in lock protection and automatic recovery circuits
FG (speed detection) outputs incorporated
Built-in thermal shutdown circuit.

应用 Application

PC Power Supply systemCPU Cooling Fan System
ServerPC

简介

LB11861MC属于集成电路（IC）的电机驱动器控制器。由制造生产的LB11861MC电机驱动器，控制器产品属于电机驱动器和控制器电源管理集成电路 (PMIC) 系列，可用于控制或操作从某电源施加到电机或相关机电执行器的电源。所实现的具体功能和特性集根据预期负载和预期应用的特性有很大差异，范围从用于有刷电机的简单开环速度控制到基于步进电机的高级闭环运动控制。