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bq25040 - Single Cell Li-Ion Battery Charger

General Description

The bq25040 is an integrated Li-ion linear battery charger targeted at space-limited portable applications.

It operates from either a USB port or AC adapter and charges a single cell Li-Ion battery with up to 1.1A of charge current.

The bq25040 has a single power output that charges the battery.

Key Features

  • 1.
  • 30V Input Rating, with Overvoltage Protection (OVP).
  • Input Voltage Dynamic Power Management Feature.
  • 50mA Integrated Low Dropout Linear Regulator (LDO).
  • 1% Charge Voltage Regulation Accuracy.
  • 10% Charge Current Accuracy.
  • Single-Input Interface Selects USB 100mA, 500mA or User-Programmable Maximum Input Current Limit.
  • 4.2V at 2.3A Production Test Mode.
  • Thermal Regulation and Thermal Shutdown Protection for Output Current C.

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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.

View original datasheet text
bq25040 www.ti.com ...................................................................................................................................................... SLUS910B – MARCH 2009 – REVISED MARCH 2009 1.1A, Single-Input, Single Cell Li-Ion Battery Charger With 50mA LDO and 2.3A Production Test Support FEATURES 1 • 30V Input Rating, with Overvoltage Protection (OVP) • Input Voltage Dynamic Power Management Feature • 50mA Integrated Low Dropout Linear Regulator (LDO) • 1% Charge Voltage Regulation Accuracy • 10% Charge Current Accuracy • Single-Input Interface Selects USB 100mA, 500mA or User-Programmable Maximum Input Current Limit • 4.2V at 2.