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DS2746 - Low-Cost 2-Wire Battery Monitor

Description

The DS2746 provides system-side battery capacity monitoring in cost-sensitive applications.

Voltage, bidirectional current, and accumulated current measurement data is provided to the host processor over a 2-wire interface.

Features

  • greatly enhance the accuracy of the coulomb counter. In addition, the DS2746 has two auxiliary A/D inputs to sample the pack identification resistor, thermistor, or other voltage source. The results are reported as a ratiometric fraction of the supply voltage eliminating error related to the supply. The DS2746 reduces the total power consumption of the measurement circuit by enabling the resistor dividers, through the VOUT pin, only while measurements are made. When the system is inactive, a low.

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Datasheet Details

Part number DS2746
Manufacturer Manix
File Size 304.71 KB
Description Low-Cost 2-Wire Battery Monitor
Datasheet download datasheet DS2746 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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DS2746 Low-Cost 2-Wire Battery Monitor with Ratiometric A/D Inputs www.maxim-ic.com GENERAL DESCRIPTION The DS2746 provides system-side battery capacity monitoring in cost-sensitive applications. Voltage, bidirectional current, and accumulated current measurement data is provided to the host processor over a 2-wire interface. Offset bias and offset blanking features greatly enhance the accuracy of the coulomb counter. In addition, the DS2746 has two auxiliary A/D inputs to sample the pack identification resistor, thermistor, or other voltage source. The results are reported as a ratiometric fraction of the supply voltage eliminating error related to the supply.
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