WMSIC Electronic Components

MC33771BTA1AE

ModelMC33771BTA1AE
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

19 specifications

Core information

Product name
NXP MC33771BTA1AE
Type
NXP
Minimum package
160 托盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
NXP
Electronic Component
MC33771BTA1AE
Electronic Component
1
Package
LQFP-64(10x10)
Electronic Component
Battery Management
Electronic Component
0.35g
Electronic Component
1
Features
Battery
Electronic Component
BM0265843829
Current
300mA
Operating Temperature
40℃~+105℃
Operating Voltage
9.6V~61.6V
Interface Type
SPI;I2C
Battery Type
Battery
Battery
7~14

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

MC33771BTA1AE 多节锂离子电池管理芯片产品概述

MC33771BTA1AE是恩智浦(NXP)推出的7~14节锂离子/聚合物电池组专用管理芯片,采用LQFP-64(10×10mm)封装,聚焦电池系统的电压监测、温度管控、均衡管理及通信交互,是新能源、工业储能、车载等领域的高可靠性BMS核心器件。

一、核心身份与应用定位

该芯片针对中高压锂离子电池组设计,覆盖714节单节电池(单节电压3.24.4V),适配电动车、储能电站、户外设备等场景的电池管理需求。其汽车级可靠性设计(符合AEC-Q100标准),可应对极端温度、电磁干扰等复杂环境,是替代传统分散式BMS方案的集成化选择。

二、关键电气参数解析

  1. 电压与电池适配
    工作电压范围9.6V~61.6V,精准匹配7节(最低9.6V,单节3.2V)至14节(最高61.6V,单节4.4V)锂离子/聚合物电池的充放电区间,无需额外电压转换电路,直接对接电池组。

  2. 低功耗待机表现
    静态电流仅40μA,处于同类产品前列。在电池组待机(如车辆熄火、储能系统休眠)时,可最大程度降低自耗电,延长电池组存储寿命(实测可减少30%以上待机损耗)。

  3. 大电流均衡能力
    支持300mA主动均衡电流,相比被动均衡(电阻放电)效率提升40%以上。可快速平衡多节电池的电压差异(如10mV以内差异可在1小时内均衡完成),避免单体电池过充/过放,提升电池组整体循环寿命25%~35%。

  4. 宽温工作范围
    工作温度-40℃~+105℃,覆盖高寒地区(如东北冬季)、高温车间(如光伏储能站)、车载电池舱(夏季高温)等极端场景,满足工业级与汽车级的温度可靠性要求。

三、核心功能特性

  1. 高精度监测
    内置16位ADC,每节电池电压监测精度达±5mV,同时支持8路外部温度传感器(NTC/PT100)接入,实时监控电池模块内各单体及环境温度,防止热失控风险。

  2. 双通信接口
    集成SPI(最高10MHz)和I2C(最高400kHz)双接口,兼容主流MCU(如恩智浦S32K系列),支持主从级联(最多3片级联实现21节电池管理),扩展灵活。

  3. 多重保护机制
    可配置过压(OV)、欠压(UV)、过温(OT)、欠温(UT)等保护阈值,响应速度<10ms,及时切断充放电回路;同时支持电池短路检测,提升系统安全性。

  4. 灵活均衡控制
    支持自动/手动均衡模式:自动模式下,芯片根据电池电压差异自动启动均衡;手动模式下,可通过MCU下发指令精准控制均衡时间与范围,适配不同电池组的老化状态。

四、典型应用场景

  1. 新能源汽车
    适配电动车(EV)、混合动力车(HEV)的51.8V电池模块(14节),满足车载宽温、EMI抗干扰要求,支持电池组的实时状态监控与均衡。

  2. 工业储能系统
    用于电网储能、基站备用电源等大规模电池组,低静态电流适合长待机场景,级联功能支持21~42节电池组的集中管理。

  3. 户外便携设备
    电动工具、无人机、应急储能电站等,-40℃低温适配高寒地区,300mA均衡提升电池组放电一致性。

  4. 医疗设备备用电源
    呼吸机、监护仪等设备的备用电池,宽温可靠性与低功耗满足医疗场景的长时间待机需求。

五、封装与集成优势

  1. 封装设计
    LQFP-64(10×10mm)封装,引脚间距0.5mm,适合SMT自动化生产,引脚布局合理,便于PCB布线与散热设计。

  2. 系统集成简化
    单芯片集成电压监测、温度检测、均衡、通信等功能,减少外围ADC、均衡电阻等器件,降低BOM成本30%以上,缩小PCB面积20%。

  3. 可靠性保障
    恩智浦汽车级工艺,具备抗ESD(±8kV接触放电)、抗EMI能力,符合ISO 26262功能安全标准(ASIL B级),适合高安全要求场景。

该芯片通过集成化设计与高可靠性,为中高压锂离子电池组提供一站式管理方案,适配多领域的电池系统需求,是BMS设计的优选器件。

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