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BQ24157 - Fully Integrated Switch-Mode Charger

Description

The bq24157 is a compact, flexible, high-efficiency, USB-friendly switch-mode charge management device for single-cell Li-ion and Li-polymer batteries used in a wide range of portable applications.

The charge parameters can be programmed through an I2C interface.

Features

  • 1 Power Up System without Battery.
  • Charge Faster than Linear Chargers.
  • High-Accuracy Voltage and Current Regulation.
  • Input Current Regulation Accuracy: ±5% (100 mA and 500 mA).
  • Charge Voltage Regulation Accuracy: ±0.5% (25°C), ±1% (0°C to 125°C).
  • Charge Current Regulation Accuracy: ±5%.
  • Input Voltage Based Dynamic Power Management (VIN DPM).
  • Bad Adaptor Detection and Rejection.
  • Safety Limit Register for Maximum Char.

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Other Datasheets by Texas Instruments

Part Number Description
BQ24157S One-Cell Li-Ion Charger
BQ24150 One-Cell Li-Ion Charger
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BQ24151 One-Cell Li-Ion Charger
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Full PDF Text Transcription

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Product Folder Order Now Technical Documents Tools & Software Support & Community bq24157 SLUSB80E – SEPTEMBER 2012 – REVISED JANUARY 2018 bq24157 Fully Integrated Switch-Mode Charger With USB Compliance and USB-OTG Support 1 Features •1 Power Up System without Battery • Charge Faster than Linear Chargers • High-Accuracy Voltage and Current Regulation – Input Current Regulation Accuracy: ±5% (100 mA and 500 mA) – Charge Voltage Regulation Accuracy: ±0.
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