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bq25898 - I2C Controlled Single Cell 4-A Fast Charger

Description

The bq25898, bq25898D are highly-integrated 4-A switch-mode battery charge management and system power path management devices for single cell Li-Ion and Li-polymer battery.

The devices support high input voltage fast charging.

Features

  • 1 High Efficiency 4-A, 1.5-MHz Switch Mode Buck Charge.
  • 92% Charge Efficiency at 3 A and 91% Charge Efficiency at 4 A Charge Current.
  • Optimize for High Voltage Input (9 V / 12 V).
  • Low Power PFM mode for Light Load Operations.
  • USB On-the-Go (OTG) with Adjustable Output from 4.5 V to 5.5 V.
  • Selectable 500-KHz / 1.5-MHz Boost Converter with up-to 2.4 A Output.
  • 94% Boost Efficiency at 5 V at 1 A Output.
  • Accurate Hiccup Mode Over.

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Other Datasheets by Texas Instruments

Part Number Description
bq25898C I2C Controlled Single Cell 3-A Charger
bq25898D I2C Controlled Single Cell 4-A Fast Charger
bq25890 I2C Controlled Single Cell 5-A Fast Charger
BQ25890H I2C Controlled Single Cell 5-A Fast Charger
bq25892 I2C Controlled Single Cell 5-A Fast Charger

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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Product Folder Order Now Technical Documents Tools & Software Support & Community bq25898, bq25898D SLUSCA6B – MARCH 2016 – REVISED MARCH 2017 bq25898, bq25898D I2C Controlled Single Cell 4-A Fast Charger with MaxCharge™ Technology for High Input Voltage and Adjustable Voltage USB On-the-Go Boost Mode 1 Features •1 High Efficiency 4-A, 1.5-MHz Switch Mode Buck Charge – 92% Charge Efficiency at 3 A and 91% Charge Efficiency at 4 A Charge Current – Optimize for High Voltage Input (9 V / 12 V) – Low Power PFM mode for Light Load Operations • USB On-the-Go (OTG) with Adjustable Output from 4.5 V to 5.5 V – Selectable 500-KHz / 1.5-MHz Boost Converter with up-to 2.