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BQ27742-G1是系统端还是电池端

Other Parts Discussed in Thread: BQ27742-G1
  1. 系统端和电池端,BQ27541/BQ27741为电池端(packside)电量计,通常是放置在电池包里的,整个生产由电池厂家完成,精度也更高,系统用户只需要完成I2C读写容量信息命令即可,开发难度非常低,并且能够用于电池识别,缺点是整个方案成本会稍高。其余电量计为系统端电量计,放置在主板上,系统用户需要完成参数配置等调试过程,稍微会复杂
请问BQ27742-G1是系统端还是电池端电量计呢?