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咨询电池管理方案

Other Parts Discussed in Thread: BQ76940

您好!我这边需要一个AFE芯片,检测15节串联锂电池,单个CELL电路很大,需要检测电压的范围可以设计,过压欠压也可以设计,网上看了BQ76940,但单个CELL最小只能到2V,不满足要求,同时大概看了下BQ76PL455A,价格太高了。如果芯片能带被动均衡功能最好,没有的话,可以外部实现,麻烦给我推荐几款合适的芯片,谢谢!