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IP2312 - Single-cell lithium battery synchronous switch buck charger

General Description

D1 1 LED driver pin/battery type selection (IP2312_VSET) TEST 2 Test pin, connect 1K resistor to the positive terminal of the battery D2 3 LED driver pin NTC 4 NTC temperature protection, connect NTC resistor ONE 5 Connect the positive terminal of the lithium battery ICHG 6 Charging c

Key Features

  • ÿ Synchronous switch step-down charging ÿ Charging efficiency 94% (3.7V/2A) ÿ Maximum charging current 3A ÿ Charging current can be adjusted by external resistor ÿ Automatically adjusts the input current and is compatible with small current adapters ÿSupport 4.20V/4.30V/4.35V/4.4V battery ÿSupport charging NTC temperature protection ÿSupports LED charging status indication ÿ Built-in power MOS ÿ 750KHz switching frequency, can support 1uH inductor ÿ Input overvoltage and undervoltage protection.

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Datasheet Details

Part number IP2312
Manufacturer Injoinic
File Size 976.09 KB
Description Single-cell lithium battery synchronous switch buck charger
Datasheet download datasheet IP2312 Datasheet

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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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Machine Translated by Google IP2312 Single-cell lithium battery synchronous switch buck charging IC 1 Features ÿ Synchronous switch step-down charging ÿ Charging efficiency 94% (3.7V/2A) ÿ Maximum charging current 3A ÿ Charging current can be adjusted by external resistor ÿ Automatically adjusts the input current and is compatible with small current adapters ÿSupport 4.20V/4.30V/4.35V/4.