MAX17852

量产

带有集成电流检测放大器的14通道高压ASIL D数据采集系统

业界出色的ASIL D电池监控器ASIC,具有电流检测功能

产品模型
2
产品技术资料帮助

ADI公司所提供的资料均视为准确、可靠。但本公司不为用户在应用过程中侵犯任何专利权或第三方权利承担任何责任。技术指标的修改不再另行通知。本公司既没有含蓄的允许,也不允许借用ADI公司的专利或专利权的名义。本文出现的商标和注册商标所有权分别属于相应的公司。

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产品详情

  • AECQ-100 1级温度范围:-40℃至125℃
  • 65V工作电压
  • 超低功耗工作
    • 待机模式:2mA
    • 关断模式:2µA
  • 冗余ADC和比较器采集
  • 电池和母线电压同时采集
  • 14条电池电压测量通道
    • 精度:1mV(3.6V,25°C)
    • 精度:2mV(5°C至40°C)
    • 精度:4.5mV(-40°C至125°C)
  • 14个电池平衡开关
    • > 300mA软件可编程均衡电流
    • 优化的行驶(AUTOBALSWDIS)和停车平衡模式
    • 使用单独的电池定时器实现自动平衡
    • 通过电池电压实现自动平衡
    • 紧急放电模式
  • 低噪声电流检测放大器
    • 5mA分辨率(增益 = 256)
  • 用于温度、电压或GPIO的四路可配置辅助输入
  • 集成芯片温度测量
  • 自动热保护
  • 可单独配置的安全警报
    • 过压、欠温和欠压、过温故障
    • 一条电池不匹配警报
  • 支持ASIL-D标准的电池电压、温度、电流、通信要求
  • 可选UART、双UART或SPI接口
  • 电池管理UART协议
    • 菊花链支持多达32个器件
    • 通信端口电容隔离
    • 波特率高达2 Mbps(自动检测)
    • 传输延迟为1.5µs(每个器件)
    • 分组差错校验(PEC)
  • I2C 主机
  • 可配置的硬件警报接口
  • 工厂调整的振荡器(无需外部晶体)
  • 32位唯一器件ID
  • 64引脚(10mm x 10mm) LQFP封装
MAX17852
带有集成电流检测放大器的14通道高压ASIL D数据采集系统
MAX1785210112.png
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评估套件

MAX17852EVKIT

MAX17852评估套件

特性和优点

  • 为评估MAX17852的特性和功能提供了一个便利的平台
  • 在多功能的GUI界面中进行功能评估
  • 即插即用型架构可加快系统原型制作
  • 驱动和检测引脚接头实现精密的测量评估
  • 内置用于电池仿真的串联电阻
  • 经过验证的PCB布局
  • 装配完成且经过测试

产品详情

MAX17852评估套件(EV套件)用于演示MAX17852 14通道高压智能传感器数据采集接口IC的特性和功能。该评估套件与MAX17841B评估套件相结合,可与主机PC建立通信。建立通信后,即可通过主机PC上的评估套件图形用户界面(GUI)对MAX17852评估套件进行控制。该GUI与Windows XP®、Windows Vista®、Windows® 7和Windows 10兼容,可通过您当地的Maxim Integrated销售办事处获取。注:本数据手册中提及MAX17841的内容也与MAX17841B相关。

MAX17852评估套件设计提供了一个便利的平台,用于评估该IC的特性和功能以及电气参数。借助该评估套件中的垂直通信连接器(P2、P3、P5和P6)和卡扣式锁定电池组连接器,用户可以快速构建和评估最多包含32个菊花链器件的系统。

 

应用

  • 48V系统
  • 电池备用系统(UPS)
  • 电池供电工具
  • 电动自行车
  • 电动汽车(EV)
  • 高压电池堆
  • 混合动力汽车(HEV)
  • 超级电容系统

MAX17852EVKIT
MAX17852评估套件

参考电路

MAXREFDES1277
MAXREFDES1277 参考设计

48V Data-Acquisition System with Integrated Current Sense Amplifier for Two-Wheeler Battery Management Applications

特性和优点

  • 3 to 14 cell voltage measurement with ±2mV accuracy at 5°C to 40°C
  • Supports flexi pack configuration
  • Pack current measurement using external current sense resistor
  • Passive cell balancing up to 300mA with internal switch with odd or even cell balancing scheme (single cell or group)
    • Auto cell balancing configuration with undervoltage (UV) threshold and timer options
    • Manual cell balancing configuration
  • Four configurable auxiliary inputs for temperature, voltage, or GPIO
  • Internal die temperature measurement
  • Individually configurable safety alert
    • Overvoltage (OV), undervoltage, overtemperature and undertemperature faults
    • One cell-mismatch alert
  • Selectable universal asynchronous receiver- transmitter (UART) or serial peripheral interface (SPI)
  • UART configurations with packet error checking (PEC)
    • Dual UART configuration with redundancy
    • Single UART configuration
  • Single-side component placement
  • Compatible with MAX17852EVKIT software along with MINIQUSB board
maxrefdes1289 figure 1
MAXREFDES1289 参考设计

400V Data-Acquisition System with Integrated Current Sense Amplifier for Four-Wheeler Battery Management Applications

特性和优点

Up to 112 cell voltage measurement with ±2mV accuracy at 5°C to 40°C.

Supports flexi-pack configuration.

Pack-current measurement using external current-sense resistor.

Passive cell balancing up to 300mA with internal switch, with odd/even cell balancing scheme (single cell or group).

  • Auto cell balancing configuration with undervoltage (UV) threshold and timer options.
  • Manual cell balancing configuration.

Four configurable auxiliary inputs for temperature, voltage, or GPIO.

Internal die temperature measurement. Individually configurable safety alert.

  • Overvoltage (OV), undervoltage (UV), overtemperature, and undertemperature faults.
  • One cell mismatch alert.

Selectable Universal Asynchronous Receiver-Transmitter (UART) or Serial Peripheral Interface (SPI).

UART configurations with Packet Error Checking (PEC).

  • Dual UART configuration with redundancy.
  • Single UART configuration.

Single-side component placement.

Compatible with MAX17852EVKIT software along with MINIQUSB board.

96V Data-Acquisition System with Integrated Current Sense Amplifier for Three-Wheeler Battery Management Applications (BMS)
MAXREFDES1301 参考设计

96V Data-Acquisition System with Integrated Current Sense Amplifier for Three-Wheeler Battery Management Applications (BMS)

特性和优点

  • 6 to 28 cell (minimum 3 cells per pack) voltage measurement with ±2mV accuracy at 5°C to 40°C
  • Supports flexi pack configuration
  • Pack current measurement using external current sense resistor
  • Passive cell balancing up to 300mA with internal switch using odd or even cell balancing scheme (single cell or group)
    • Auto cell balancing configuration with undervoltage (UV) threshold and timer options
    • Manual cell balancing configuration
  • Configurable auxiliary inputs
    • Six aux channels for the MAX17853, all configured for temperature measurement
    • Four aux channels for the MAX17852, configured for I2C and GPIO
  • Internal die temperature measurement
  • Individually configurable safety alert
    • Overvoltage (OV), undervoltage, overtemperature and under temperature faults
    • One cell mismatch alert
  • Selectable universal asynchronous receiver-transmitter (UART) or serial peripheral interface (SPI)
  • ART configurations with packet error checking (PEC)
    • Dual UART configuration with redundancy
    • Single UART configuration
  • Compatible with the MAX17852 and MAX17853 EV Kit software along with MINIQUSB board
MAXREFDES1277
48V Data-Acquisition System with Integrated Current Sense Amplifier for Two-Wheeler Battery Management Applications
MAXREFDES1277
MAXREFDES1289
400V Data-Acquisition System with Integrated Current Sense Amplifier for Four-Wheeler Battery Management Applications
maxrefdes1289 figure 1
MAXREFDES1301
96V Data-Acquisition System with Integrated Current Sense Amplifier for Three-Wheeler Battery Management Applications (BMS)
96V Data-Acquisition System with Integrated Current Sense Amplifier for Three-Wheeler Battery Management Applications (BMS)

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