NXP Semiconductors MM9Z1_638智能电池传感器

FreescaleMM9Z1_638智能电池传感器是一个全面集成的智能电池监控器件,带有CAN和LIN,可通过一个外部分流电阻进行精确电流测量。该器件通过使用内部校准电阻分频器或外部分频器可提供4个电压测量。它包括一个内部温度传感器,可贴紧电池测量电池温度,外加五个外部温度传感器输入。这些传感器包括LIN 2.2协议和物理接口以及一个msCAN协议控制器,可与汽车总线连接。MM9Z1_638能给外部CAN接口供电并控制它们。

特性

  • Based on the NXP S12Z microcontroller with up to 128KB Flash, 8KB RAM, and 4.0KB EEPROM
  • Wide range battery current measurement; On-chip temperature measurement
  • Four battery voltage measurements with internal resistor dividers, and up to five direct voltage measurements for use with an external resistor divider
  • Measurement synchronization between voltage channels and current channels
  • Five external temperature sensor inputs with internal supply for external sensors
  • Low-power modes with low-current operation
  • Multiple wake-up sources: LIN, timer, high-voltage input, external CAN interface, and current threshold and integration
  • Precision internal oscillator and connections for external crystal
  • LIN 2.2/ 2.1/ 2.0 protocol and physical interface
  • msCAN protocol controller, and supply capability for 8 and 14 pin CAN interfaces
  • QFN48 package

应用

  • 12V Lead-Acid Battery Monitoring
  • Multi-Cell Battery (Li-Ion) Monitoring
  • HV Battery Pack Sensor
  • Truck Battery Monitoring

视频

Typical Application Circuit

应用电路图 - NXP Semiconductors MM9Z1_638智能电池传感器
发布日期: 2014-03-20 | 更新日期: 2024-09-09