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bq25601 - 1-Cell 3-A Buck Battery Charger

Description

The BQ25601 is a highly-integrated 3-A switch-mode battery charge management and system power path management device for single cell Li-ion and Lipolymer batteries.

Features

  • High-efficiency, 1.5-MHz, synchronous switchmode buck charger.
  • 92% charge efficiency at 2-A from 5-V input.
  • Optimized for USB voltage input (5 V).
  • Selectable low power pulse frequency modulation (PFM) mode for light load operations.
  • Supports USB On-The-Go (OTG).
  • Boost converter with up to 1.2-A output.
  • 92% boost efficiency at 1-A output.
  • Accurate constant current (CC) limit.
  • Soft-start up to 500-µF capacitive load.

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Full PDF Text Transcription

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BQ25601 SLUSCK5A – MARCH 2017 – REVISED MARCH 2023 BQ25601 I2C Controlled 1-Cell 3-A Buck Battery Charger for High Input Voltage and NVDC Power Path Management 1 Features • High-efficiency, 1.5-MHz, synchronous switchmode buck charger – 92% charge efficiency at 2-A from 5-V input – Optimized for USB voltage input (5 V) – Selectable low power pulse frequency modulation (PFM) mode for light load operations • Supports USB On-The-Go (OTG) – Boost converter with up to 1.2-A output – 92% boost efficiency at 1-A output – Accurate constant current (CC) limit – Soft-start up to 500-µF capacitive load – Output short circuit protection – Low power PFM mode for light load operations • Single input to support USB input and high voltage adapters – Support 3.9-V to 13.
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