LB1928集成电路（IC）的电机驱动器控制器规格书PDF中文资料

LB1928属于集成电路（IC）的电机驱动器控制器。由安森美半导体制造生产的LB1928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。

Overview

The LB1928 is a 3-phase brushless motor driver well suited for drum and paper feed motors in laser printers, plain-paper copiers and other office automation equipment. Direct PWM drive allows control with low power losses. Peripheral circuitry including speed control circuit and FG amplifier is integrated, thus allows drive circuit to be constructed with a single chip.

特性 Features

• 3-phase bipolar drive (30V, 3.1A)

• Direct PWM drive technique

• Built-in diode for absorbing output lower-side kickback

• Speed discriminator and PLL speed control

• Speed lock detection output

• Built-in forward/reverse switching circuit

• Built-in protection circuitry includes current limiter, overheat protection, motor restraint protection, etc.