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HM1160 single cell lithium battery power indicator

Overview

HM1160 is a single-cell lithium battery power indicator chip. The chip is implemented using CMOS technology. It is small in size and easy to install in portable products. HM1160 has built-in comparator and feedback loop to realize the detection of 4 voltage points. Through internal trimming technology, the voltage detection accuracy can be guaranteed to reach ±1%. The output adopts OPENDRAIN structure, which is convenient for customers to use IO port or LED indication.

In order to facilitate multi-purpose use, the PCB is designed with two switch modes. The first is to use a micro switch for inching measurement, which only needs to be used to check the power occasionally. The second type is through measurement, which only needs to connect the two disconnected contacts, so that the battery power status can always be displayed.

VDD (Pin 1): Power supply GND (Pin 2): Ground terminal D1-D4 (Pin 3-6): LED1-LED4 output indication, D1 is the low-voltage end indication , D4 is the high-voltage end indication!

Design Files

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Update:2025-05-07 13:08:18

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