DS2746可为成本敏感应用提供系统侧电池电量监测。通过2线接口将电压、双向电流及累积电流测量数据提供给主处理机。失调偏置和失调消隐特性可以极大的提高库仑计的精度。另外,DS2746有两个辅助A/D输入,可用来采样电池包识别电阻、热敏电阻或其他电压源。转换结果是一个与电源电压成比例的小数,这可以消灭与电源有关的误差。DS2746通过VOUT引脚使能电阻分压器,使之仅在进行测量时工作,以减小测量电路的总功耗。当系统不活动时,低功耗休眠模式可以减少电流消耗,同时保持库仑计数。纤小的3mm x 3mm TDFN封装仅占用9mm² PCB空间。
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