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TP4057 - 500mA linear lithium ion battery charger

Datasheet Summary

Description

TP4057 is an excellent linear charger with constant current and constant voltage for single lithium ion battery.TP4057 is packaged in SOT23-6 package with less peripheral components, which makes it very suitable for portable products, and suitable for power supply of USB power supply and adapter pow

Features

  • battery temperature monitoring, undervoltage locking, automatic recharging and two status pins to show charging and charging termination. Features I Programmable charging current 500mA I No need for external MOSFET, resistance detection and isolation diode I Complete linear charger with SOT23-6 package for single lithium battery I Constant current / constant voltage operation with thermal regulation to maximize charging rate without risk of overheating. I The accuracy reaches 4.24V precharge v.

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Datasheet Details

Part number TP4057
Manufacturer UMW
File Size 761.94 KB
Description 500mA linear lithium ion battery charger
Datasheet download datasheet TP4057 Datasheet
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Full PDF Text Transcription

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UMW R TP4057 500mA linear lithium ion battery charger Description TP4057 is an excellent linear charger with constant current and constant voltage for single lithium ion battery.TP4057 is packaged in SOT23-6 package with less peripheral components, which makes it very suitable for portable products, and suitable for power supply of USB power supply and adapter power supply. Based on the special internal MOSFET architecture and anti reverse charging circuit, TP4057 does not need external detection resistor and isolation diode.When the external environment temperature is too high or in high power applications, the thermal feedback can adjust the charging current to reduce the chip temperature.The charging voltage is fixed at 4.
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