WMSIC Electronic Components

MC33771BTA1AER2

ModelMC33771BTA1AER2
PackageLQFP-64(10x10)
BrandNXP
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 22+

Available for RFQ

Technical data

Product details

18 specifications

Core information

Product name
NXP MC33771BTA1AER2
Type
NXP
Minimum package
1500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
NXP
Electronic Component
MC33771BTA1AER2
Electronic Component
1
Package
LQFP-64(10x10)
Electronic Component
Battery Management
Electronic Component
0.882g
Electronic Component
1
Features
Battery
Electronic Component
BM0260009383
Operating Temperature
40℃~+105℃
Operating Voltage
9.6V~61.6V
Battery
7~14
Electronic Component
Electronic Component
Electronic Component
1500

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

MC33771BTA1AER2 产品概述

MC33771BTA1AER2 是恩智浦(NXP)面向锂离子电池组管理的高集成度电池单体监测与控制器件,适用于中高压电池包管理系统(BMS)。该器件可直接工作在电池—电池控制器拓扑,支持 714 节串联锂电池,工作电压范围 9.6V61.6V,工作温度范围宽至 -40℃~+105℃,以 LQFP-64(10 x 10 mm)封装交付,便于在空间受限的系统中实现高度集成的电池管理功能。

一、产品概述与定位

MC33771BTA1AER2 面向汽车、商用车、储能及工业移动平台等需要精确电池单体状态监测与可靠保护的场景。器件将电池单体电压测量、温度监测、单体均衡以及必要的安全判断逻辑高度集成,帮助降低系统复杂度与整体 BOM 成本,同时满足宽温、宽电压工作要求,适合车规级与工业级应用需求。

二、主要功能

  • 单体电压监测:对 7~14 节串联电池单体电压进行高精度测量与监控,支持实时异常检测(过压、欠压)。
  • 温度监测:支持多个外部温度传感通道,用于电芯及环境温度采样,结合电压信息判断电池健康状态。
  • 单体均衡:内建均衡控制功能(被动均衡),用于平衡单体间电压差,延长电池组寿命并提升容量一致性。
  • 多片扩展与通信:器件支持在电池包内以串联/链式方式扩展,便于构建 14 节以上或冗余拓扑的电池监控网络(具体通信协议与系统实现参考参考设计与应用笔记)。
  • 报警与保护功能:实现电压、温度等门限报警与故障上报机制,配合系统级控制器实现充放电保护策略。
  • 低功耗与自检:具备低功耗工作模式与诊断能力,支持系统上电自检与健康监测。

三、关键优势

  • 宽电压宽温度适应性:支持 9.6V61.6V 的系统电压范围与 -40℃+105℃ 的工作温度,能适应严苛的汽车与工业环境。
  • 高度集成:将多路单体测量、温度通道与均衡驱动集成在一颗芯片内,减少外部元件数量与 PCB 占用面积。
  • 可扩展性强:支持多片器件级联,便于扩展到更大单体数或实现冗余提高系统可靠性。
  • 可维护性与安全性:内置电压/温度异常检测与报警接口,为系统级安全策略提供实时可靠的数据基础。

四、典型应用场景

  • 电动汽车(EV)与混合动力汽车(HEV)电池管理系统
  • 储能系统(ESS)与家庭/工业储能电站的电池监控模块
  • 商用电动工具、E-bike、轻型电动车车身级电池管理
  • 无人机与AGV等工业移动平台的动力电池监控

五、设计与系统集成要点

  • 电源与绝缘:因器件工作在整组电池电压范围内,布线与绝缘设计需满足系统电压与安全规范,确保可靠的供电与工作地参考。
  • PCB 布局:高速/精密模拟测量对布局敏感,建议把测量通道走线最短并加注地平面与旁路电容;均衡电阻与开关器件需要合理散热与布局。
  • 门限设置与校准:在系统设计阶段应结合电芯特性设置合理的过压、欠压与温度门限,并在系统上电或出厂时进行校准以保证测量精度。
  • 故障冗余:关键安全功能应考虑软硬件冗余与故障隔离策略,避免单点失效影响整包安全。
  • 软件接口与诊断:器件输出的数据用于上位控制器的 SOC、SOH 计算与充放电策略,需设计完善的通信与故障上报机制,配合系统级诊断。

六、封装与环境规格

  • 封装型号:LQFP-64(10 x 10 mm)
  • 工作电压:9.6V ~ 61.6V(适用于 7~14 节串联锂离子电池)
  • 工作温度:-40℃ ~ +105℃
  • 品牌:NXP(恩智浦)

七、结语

MC33771BTA1AER2 提供了一套面向中高压锂电池组的高集成度监测与均衡解决方案,适合对空间、成本与可靠性有严格要求的 BMS 设计。合理利用其测量、均衡与故障检测能力,配合系统级设计与验证流程,可显著提升电池组的安全性和使用寿命。在开始具体设计前,建议参考恩智浦原厂数据手册与参考设计,以获得器件详细电气参数、通信时序及封装引脚定义,确保设计一次性正确与可靠。

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