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电源过流保护芯片咨询

求一款电源保护的芯片。

电路中有几路电压,如果在每路上都串小电阻,检测电阻上的电压,换算电流,接入单片机的ADC管脚,这样太暂用IO资源。

有没有一种小封装的芯片,可以检测过流的,电流可以通过外部电阻调节,如果电流过大,自动断开该回路电压。

谢谢推荐下