WMSIC Electronic Components

MC33774ATP1AE

ModelMC33774ATP1AE
PackageLQFP-64-EP(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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
NXP MC33774ATP1AE
Type
NXP
Minimum package
800 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
NXP
Electronic Component
MC33774ATP1AE
Electronic Component
1
Package
LQFP-64-EP(10x10)
Electronic Component
Battery Management
Electronic Component
1g
Electronic Component
1
Features
Electronic Component
Electronic Component
BM0254984547
Current
360mA
Operating Temperature
40℃~+125℃
Operating Voltage
9V~90V
Interface Type
SPI;I2C
Battery Type
Battery
Battery
4~18

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

MC33774ATP1AE 产品概述

MC33774ATP1AE 是恩智浦(NXP)面向汽车级电池管理系统(BMS)的高集成度电池监测与均衡芯片,达到 ISO 26262 ASIL D 安全等级要求,适用于对功能安全有严格要求的电动汽车与高可靠性能源存储系统。该器件将多通道电芯电压监测与均衡功能集成在单芯片中,支持宽工作电压与宽温度范围,便于系统级设计与成本优化。

一、核心性能与参数概览

  • 芯片类型:均衡芯片 / 监测芯片(18 通道电芯管理)
  • 安全等级:ASIL D(适用于高安全完整性需求场景)
  • 工作电压范围:9 V ~ 90 V(适配从低压到中低压电池组)
  • 支持电池类型:锂离子电池(Li-ion)
  • 支持电池节数:4 ~ 18 节
  • 工作温度范围:-40 ℃ ~ +125 ℃(适应苛刻环境)
  • 电池温度检测:支持(可用于热保护与均衡策略)
  • 静态电流(Iq):15 µA(低待机功耗,有利于系统能耗优化)
  • 均衡电流:360 mA(支持快速能量重分配)
  • 通信接口:SPI、I2C(灵活的系统集成选项)
  • 封装:LQFP-64-EP(10 mm × 10 mm)

二、功能特点与应用价值

  • 高通道集成:单芯片支持最多 18 节电芯的电压监测与均衡,减少外部元器件数量与 PCB 空间,适合模组化设计与多节电池包。
  • 宽输入与温度范围:990V 的工作电压和 -40+125 ℃ 的工作温度使其既能用于汽车驱动电池,也能用于车载电子与能量存储单元,适配复杂环境工况。
  • 低静态功耗:15 µA 的待机电流有助于系统在待机或长时间停放时降低能耗与电池自放电影响。
  • 强劲均衡能力:单通道或群组均衡电流支持高达 360 mA,有利于快速平衡电芯电压,提升电池组一致性与可用容量。
  • 多种通信接口:同时支持 SPI 与 I2C,便于与主控 MCU/域控制器通信和系统级架构集成,灵活选择总线拓扑及数据速率。
  • 安全设计:作为 ASIL D 器件,适配需要高诊断覆盖与容错设计的汽车级 BMS,便于满足功能安全流程与体系的集成需求。

三、典型功能模块(系统视角)

  • 电芯电压采样与监测:多通道电压测量,比对上下限,实现过压/欠压报警与故障记录。
  • 均衡驱动单元:支持对单个或多个电芯进行能量重分配,减少单体差异导致的容量损失。
  • 温度检测接口:支持外部温度传感器输入(NTC 等),参与温度保护与均衡策略调整。
  • 通信与诊断:通过 SPI/I2C 与主控通信,提供监测数据、状态标志和故障信息;器件内建诊断机制以满足 ASIL D 要求(如故障自检、通信完整性检查等)。

四、设计与应用建议

  • 电源与隔离:器件工作电压范围广,但在电池侧设计时需考虑 Vbat 管理与浪涌抑制,确保器件在瞬态和上电时不会超出绝对最大额定值。
  • 热管理:在进行高电流均衡(360 mA)时,均衡耗散会产生热量,建议合理安排散热路径与 PCB 铜箔面积,并在布局上与温度传感器/温度敏感器件保持适当距离。
  • PCB 布局:对高速 SPI/I2C 信号与模拟电压采样线路进行分区,严格控制模拟地与数字地回流路径,增加旁路电容与滤波,保证测量精度与通信可靠性。
  • 功能安全集成:作为 ASIL D 器件,应在系统级实现必要的冗余、失效模式分析、诊断覆盖率证明与安全要求文档,以满足整车功能安全验证。
  • 温度与均衡策略:利用器件的温度检测支持动态调整均衡策略(例如在高温下降低均衡功率),延长电芯寿命并防止过热。

五、典型应用场景

  • 乘用车与商用车电池管理系统(HEV/EV)
  • 高可靠性储能系统(ESS)与不间断电源(UPS)
  • 工业与轨道交通的电源管理模块
  • 车载辅助电源与能量管理单元

六、封装与采购信息

MC33774ATP1AE 提供 LQFP-64-EP(10×10 mm) 封装,适合自动化贴装与良好的热性能。作为恩智浦供货的汽车级器件,建议通过官方渠道或授权分销商采购,并参考 NXP 官方数据手册与应用说明书获取更详尽的电气特性、时序图与参考设计。

结语:MC33774ATP1AE 通过高集成的多通道监测与均衡能力、宽工作电压/温度范围以及 ASIL D 等级,为对安全性与可靠性有严格要求的汽车与工业电池管理系统提供了可靠的核心器件选择。在实际设计中,应结合系统级功能安全规划与热管理、PCB 布局等工程要点,以发挥器件最佳性能。

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