BA6897中文资料4-channel BTL driver for CD players数据手册ROHM规格书

描述 Description

The BA6897S and BA6897FP are a 4-channel BTL driver for CD player motors and actuators. It has an internal 5V regulator and standard operational amplifier, and is suited to a wide range of applications.

特性 Features

1) Minimal number of external components.
2) Driver gain is adjustable with just one attached resistor.
3) Internal 5V regulator (attached PNP transistor nec essary).
4) Internal standard operational amplifier.
5) Internal thermal shutdown circuit.Applications
  CD players, CD-ROM drives 

简介

BA6897属于集成电路（IC）的全半桥驱动器。由ROHM制造生产的BA6897全半桥驱动器器件属于电桥驱动器电源管理集成电路 (PMIC) 系列，包含两个或多个功率晶体管，以及在外部器件控制下将其用作开关所需的电路。这些晶体管通常在内部配置为成对串联连接（称为半桥），因而任意指定晶体管对之间的结点都可以连接至两个电源轨中的任一个。这类器件常用于将控制器件（如微控制器）提供的低电平信号转换为操作执行器（如步进电机或无刷电机）所需的较大功率信号。