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bq25896 - I2C Controlled Single Cell 3-A Fast Charger

General Description

The bq25896 is a highly-integrated 3-A switch-mode battery charge management and system power path management device for single cell Li-Ion and Lipolymer battery.

The devices support high input voltage fast charging.

Key Features

  • 1 High Efficiency 3-A, 1.5-MHz Switch Mode Buck Charge.
  • 92.5% Charge Efficiency at 2 A and 90.5% Charge Efficiency at 3 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 A Output.
  • 93% Boost Efficiency at 5 V at 1 A Output.
  • Accurate Hiccup Mode Ov.

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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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Product Folder Order Now Technical Documents Tools & Software Support & Community bq25896 SLUSC76C – JULY 2015 – REVISED MAY 2018 bq25896 I2C Controlled Single Cell 3-A Fast Charger with MaxChargeTM Technology for High Input Voltage and Adjustable Voltage USB On-the-Go Boost Mode 1 Features •1 High Efficiency 3-A, 1.5-MHz Switch Mode Buck Charge – 92.5% Charge Efficiency at 2 A and 90.5% Charge Efficiency at 3 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 A Output – 93% Boost Efficiency at 5 V at 1 A Output – Accurate Hiccup Mode Overcurent Protection – Support down-to 2.