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BQ25980 - 8-A Switched Cap Parallel Battery Charger

Description

The BQ25980 is a 98.6% peak efficiency, 8-A battery charging solution using dual-phase switched cap architecture for 2-cell Li-ion battery.

The switched cap architecture allows the cable current to be half the charging current, reducing the cable power loss and limiting temperature rise.

Features

  • 98.6% peak efficiency switched cap parallel charger supporting 2-cell battery and 8-A fast charge.
  • Patent pending dual phase switched cap architecture optimized for highest efficiency.
  • Input voltage is 2x battery voltage (7.0V to 9.54V).
  • Output current is 2x of input current (up to 4.75A).
  • Reduces power loss across input cable.
  • Integrated 7-A bypass mode fast charge.
  • 13mΩ charging path resistance for high current operation.

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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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www.ti.com BQ25980 SLUSEC6 – SEPTEBMQBE2R52908200 SLUSEC6 – SEPTEMBER 2020 BQ25980 I2C Controlled, 2-Cell, 8-A Switched Cap Parallel Battery Charger with Integrated Protection and Dual-Input Selector 1 Features • 98.6% peak efficiency switched cap parallel charger supporting 2-cell battery and 8-A fast charge • Patent pending dual phase switched cap architecture optimized for highest efficiency – Input voltage is 2x battery voltage (7.0V to 9.54V) – Output current is 2x of input current (up to 4.
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