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BQ25121 - Highly Integrated Battery Charge Management Solution

This page provides the datasheet information for the BQ25121, a member of the BQ25120 Highly Integrated Battery Charge Management Solution family.

Datasheet Summary

Description

The bq2512x 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.

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.

📥 Download Datasheet

Datasheet preview – BQ25121

Datasheet Details

Part number BQ25121
Manufacturer Texas Instruments
File Size 2.47 MB
Description Highly Integrated Battery Charge Management Solution
Datasheet download datasheet BQ25121 Datasheet
Additional preview pages of the BQ25121 datasheet.

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Other Datasheets by Texas Instruments
  • BQ25120 - Highly Integrated Battery Charge Management Solution
  • bq25120A - Highly Integrated Battery Charge Management Solution
  • BQ25125 - Highly Integrated Battery Charger
  • bq25100 - 250-mA Single Cell Li-Ion Battery Chargers
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  • BQ25100B - 250-mA Single Cell Li-Ion Battery Chargers
  • bq25100H - 250-mA Single Cell Li-Ion Battery Chargers
  • bq25100L - 250-mA Single Cell Li-Ion Battery Chargers

Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community BQ25120, BQ25121 SLUSBZ9C – AUGUST 2015 – REVISED SEPTEMBER 2016 bq2512x 700-nA 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.
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