ATA6844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

System basis chip for three-phase brushless DC motor controllers designed in the Microchip 0.18-µm SOI technology SMART-I.S.™. The chip forms a BLDC motor control unit for automotive applications in combination with a microcontroller and six discrete power MOSFETs. Works in extended supply voltage range from 5.25V up to 32V. It features a Tjunction of up to 200°C. Its circuits provide a 3.3V/5V linear regulator and a window watchdog. It includes various control and protection functions like overvoltage and over-temperature protection, adjustable short circuit detection, undervoltage management and coast function. Its drivers fulfill maximum safety requirements and offer a high integration level to save cost and space.

特性 Features

• Broad operation voltage range from 5.25V to 32V
• ATA6844 extended temperature range TJ = 200°C
• Direct driving of six external NMOS transistors with a maximum switchingfrequency of 50kHz
• Integrated charge pump to provide gate voltages for high-side drivers and to supplythe gate of the external battery reverse protection NMOS
• Built-in 5V/3.3V voltage regulator with current limitation
• Reset signal for the microcontroller
• Sleep Mode with supply current of typically

简介

ATA6844属于集成电路（IC）的电机驱动器控制器。由制造生产的ATA6844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。