电池接线盒

米6体育平台手机版_好二三四和参考设计

电池接线盒

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概述

借助我们的集成电路和参考设计,您可以创建电池接线盒设计,从而实现对高压电池组的高精度监测和控制。

设计要求

电池接线盒设计通常需要:

  • 在电芯级别解析电压和温度测量值。
  • 在电池包级别精确检测电流。
  • 遵循有关系统冗余性的最先进架构,以便在最高安全级别实施系统。

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电池接线盒

` ` High voltage High voltage Low voltage Low voltage Current sense Current sense PACK+ PACK+ CHARGE- CHARGE- Pyro-fuse Pyro-fuse 12V HV 12V HV PACK- PACK- SPI SPI CHARGE+ CHARGE+ LINK+ LINK+ LINK- LINK- ` ` 12V supply (LV battery) 12V supply(LV battery) CAN interface CAN interface ` ` High voltage sensing & isolation monitoring High voltage sensing&isolation monitoring HV resistor divider HV resistordivider HV solid-state switch HV solid-state switch Operational amplifier Operational amplifier Isolated amplifier Isolated amplifier Safety breaker Safety breaker Pyro-fuse driver Pyro-fuse driver Precharge driver Precharge driver Solid-state switch driver Solid-state switch driver Switch control Switch control Contactor driver (low side) Contactor driver(low side) High-side switch High-side switch Environment sensing & storage Environment sensing & storage Temperature sensor Temperaturesensor Humidity sensor Humiditysensor Pressure & gas sensor Pressure & gas sensor EEPROM EEPROM BDU controller BDU controller Pack monitor Pack monitor MCU MCU Isolation Isolation Isolated power supply Isolated power supply Digital isolator Digital isolator Communication (optional) Communication (optional) Smart CAN responder Smart CAN responder Circuit protection Circuit protection Reverse battery protection Reverse battery protection ESD components ESD components

Switch control

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The contactor control usually uses a combination of smart high- and low-side switches to control the battery connect and disconnect relay. For safety reasons, the state of operations needs to be monitored.

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