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TPS61289 - 20A Bidirectional BUCK/BOOST Converter

General Description

VLOW voltage range: 0.5V to 23V The TPS61289 is a bidirectional buck/boost The minimum VLOW voltage is determined by the VLOW/VHIGH ratio and frequency VHIGH voltage range: 4.5V to 25V Pin selectable bidirectional buck or boost mode Buck/boost for

Key Features

  • 3.

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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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TPS61289 SLVSGT4A – DECEMBER 2023 – REVISED JANUARY 2024 TPS61289 23VLOW , 25VHIGH, 20A Bidirectional BUCK/BOOST Converter 1 Features 3 Description • VLOW voltage range: 0.5V to 23V The TPS61289 is a bidirectional buck/boost – The minimum VLOW voltage is determined by the VLOW/VHIGH ratio and frequency • VHIGH voltage range: 4.5V to 25V • Pin selectable bidirectional buck or boost mode • Buck/boost forced PWM mode operation • High efficiency and power capability – Programmable current limit: 5A to 20A – Integrated 8.5mΩ high-side MOSFET • Switching frequency – FSW 250kHz when VLOW > 1.7V – FSW down to 100kHz when VLOW < 1.5V – FSW down to 50kHz when VLOW < 0.