[原创]Renesas RAA489206 16颗电池前端(BFE)解决方案

Renesas公司的RAA489206是16颗电池前端(BFE)集成电路,是任何电池管理系统(BMS)的主要元件,该系统周期性扫描电池状态和工作环境,以优化电池寿命和防止灾难性故障发生.为了管理电池组的整个状态,差分多路复接器和16位ADC能精确地检测电池电压,温度和负载电流.RAA489206支持I2C,SPI和SPI w/CRC协议,允许用户在专有电池管理解决方案中连接MCU.低电流功耗,平均发IDLE模式电流200μA和SHIP模式电流小于18μA,最大限度地电池组的存储和放电寿命. RAA489206具有内部电池平衡电路,每个电池提供8mA平衡电流.器件也支持更大电流的外接电池平衡.器件具有高热插额定电压62V,VCELL精确度为±10mV,IPACK精度为±0.2%.16位VCELL和IPACK测量,充电/负载叫醒检测电路,4引脚GPIO端口,集成了3.3V稳压器.器件采用带导热垫的64引脚QFN封装.主要用在轻型电动汽车如电动自行车,电动滑板车和电动摩托车,无绳电动和花园工具,家用电器,24V,36V,42V和48V手持电池组,通信和服务器农场,太阳能农场和能量存储系统.本文介绍了RAA489206主要特性,框图和应用电路图,评估板RTKA489206DK0000BU主要特性,电路图,材料清单和BMS装配图.

The RAA489206 is a 16-cell Battery Front End (BFE)IC, an essential component of any BatteryManagement System (BMS) that periodically scansbattery status and the operating environment tooptimize battery life and prevent catastrophic failures.

To manage the overall state of the battery pack, adifferential multiplexer and 16-bit ADC allow for theaccurate monitoring of cell voltage, temperature, andload current.

The RAA489206 supports I2C, SPI, and SPI w/CRCprotocols allowing customers to connect an MCU in aproprietary battery management solution.

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