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bq25120A - Highly Integrated Battery Charge Management Solution

General Description

The bq25120A is a highly integrated battery charge management IC that integrates the most common functions for wearable devices: Linear charger, regulated output, load switch, manual reset with timer, and battery voltage monitor.

Key Features

  • 1 Increases System Operation Time Between Charges.
  • Configurable 300-mA Buck Regulator (1.8-V Default).
  • 700 nA (typical) Iq with Buck Converter Enabled (No Load).
  • Configurable Load Switch or 100mA LDO Output (Load Switch by Default).
  • Up to 300-mA Charge Current for Fast Charging.
  • 0.5% Accurate Battery Voltage Regulation (Configurable from 3.6 V to 4.65 V in 10-mV Steps).
  • Configurable Termination Current Down to 500 µA.
  • Simple.

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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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Product Folder Order Now Technical Documents Tools & Software Support & Community bq25120A SLUSD08A – MAY 2017 – REVISED JANUARY 2018 bq25120A Low IQ Highly Integrated Battery Charge Management Solution for Wearables and IoT 1 Features •1 Increases System Operation Time Between Charges – Configurable 300-mA Buck Regulator (1.8-V Default) – 700 nA (typical) Iq with Buck Converter Enabled (No Load) – Configurable Load Switch or 100mA LDO Output (Load Switch by Default) – Up to 300-mA Charge Current for Fast Charging – 0.5% Accurate Battery Voltage Regulation (Configurable from 3.6 V to 4.65 V in 10-mV Steps) – Configurable Termination Current Down to 500 µA – Simple Voltage Based Battery Monitor • Highly Integrated Solution with Small Footprint – 2.5 mm x 2.