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BQ24800 - SMBus 1- to 4-Cell Buck Battery Charge Controller

General Description

The BQ24800 device is a high-efficiency, synchronous buck multi-chemistry battery charger supporting 1-, 2-, 3-, or 4-series Li+ cells, or other battery chemistries up to 19.2V.

Key Features

  • Hybrid Power Boost Mode to power up system from adapter and battery together.
  • Ultra-fast transient response of 150µs to enter Hybrid Power Boost Mode.
  • Battery Only Boost Mode to support larger system transients and extend battery run time.
  • Peak power two-level input current limit to maximize the power from adapter and minimize battery discharge.
  • Charge 1- to 4-cell battery pack from 4.5V to 24V adapter.
  • High accuracy power and current monito.

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Other Datasheets by Texas Instruments

Part Number Description
BQ24001 Single-Cell Li-Ion Charge Management
BQ24002 Single-Cell Li-Ion Charge Management
BQ24003 Single-Cell Li-Ion Charge Management
bq24004 Two-Cell Li-Ion Charge Management
bq24005 Two-Cell Li-Ion Charge Management

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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BQ24800 SLUSDO8A – MARCH 2020 – REVISED JANUARY 2025 BQ24800 SMBus 1- to 4-Cell Buck Battery Charge Controller With Peak Power, Hybrid Power Boost and Battery Only Boost Modes 1 Features • Hybrid Power Boost Mode to power up system from adapter and battery together – Ultra-fast transient response of 150µs to enter Hybrid Power Boost Mode • Battery Only Boost Mode to support larger system transients and extend battery run time • Peak power two-level input current limit to maximize the power from adapter and minimize battery discharge • Charge 1- to 4-cell battery pack from 4.