Low Power Battery Charge Management Reference Design for Wearables and IoT Applications
TIDA-00761
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Key Document

Description

The TIDA-00761 is a power management solution using the bq25120 IC in a small form factor design targeted at low power wearable devices.  It integrates the most common functions for wearable devices: Linear charger, regulated output, load switch, manual reset with timer, and battery voltage monitor. The device supports charge currents from 5 mA to 300 mA.

Features
  • Highly Integrated Solution
  • Small WCSP Package, 2.5 mm x 2.5 mm
  • 700 nA (typical) Iq with Buck Converter Enabled
  • Configurable Termiantion Current Down to 500 uA
  • I2C Communication Control (Optional)
  • Battery Voltage Monitor

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Schematic/Block Diagram

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Design Guide

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Design Files

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TI Devices (1)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
BQ25120A  300-mA linear battery charger with Power Path, integrated LDO and buck converter 1.8V default output  Battery management ICs  Sample & Buy View Design Kits & Evaluation Modules

Technical documentation

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User guide (1)
Title Type Size (KB) Date
PDF 814 28 Sep 2015
Design files (7)
Title Type Size (KB) Date
ZIP 677 28 Sep 2015
ZIP 1231 28 Sep 2015
PDF 1409 28 Sep 2015
PDF 338 28 Sep 2015
PDF 167 28 Sep 2015
PDF 29 28 Sep 2015
PDF 37 28 Sep 2015

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