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TMI4054 - 800mA Li-ion Linear Charger

Description

The TMI4054 is a complete constant-current and constant-voltage linear charger for single cell Li-ion battery application.

The default battery charge voltage is fixed at 4.2V, and the charging current can be programmed by external resistor on PROG pin.

Features

  • Programmable Charge Current Up to 1A.
  • No MOSFET, Sense Resistor or Blocking Diode Required.
  • Charge Single Cell Li-Ion Battery Directly from USB Port.
  • Trickle Current, Constant Current and Constant Voltage Operation with Thermal Regulation to Maximize Charge Rate without Overheating.

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Datasheet preview – TMI4054

Datasheet Details

Part number TMI4054
Manufacturer TOLL
File Size 583.52 KB
Description 800mA Li-ion Linear Charger
Datasheet download datasheet TMI4054 Datasheet
Additional preview pages of the TMI4054 datasheet.

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Full PDF Text Transcription

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TMI4054 800mA Li-ion Linear Charger with Thermal Regulation FEATURES ⚫ Programmable Charge Current Up to 1A ⚫ No MOSFET, Sense Resistor or Blocking Diode Required ⚫ Charge Single Cell Li-Ion Battery Directly from USB Port ⚫ Trickle Current, Constant Current and Constant Voltage Operation with Thermal Regulation to Maximize Charge Rate without Overheating ⚫ <1µA Battery Quiescent Current ⚫ Preset 4.2V Battery Charge Voltage with ±1% Accuracy ⚫ Automatically Recharge ⚫ Charge Statue Indication Pin ⚫ SOT23-5 Package APPLICATIONS ⚫ Portable Devices ⚫ Power Bank ⚫ Charging Docks and Cradles ⚫ Bluetooth Applications GENERAL DESCRIPTION The TMI4054 is a complete constant-current and constant-voltage linear charger for single cell Li-ion battery application.
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