BQ24022EVM: Single Li-Ion Battery Charger

Summary

This user's guide describes the bq24022 (bqTINY-II) Evaluation Module. The EVM provides a convenient method for evaluating the performance of a charge management solution for portable applications using the bq24022 product family.

A complete designed and tested charger is presented. The charger is designed to deliver up to 1.0 A of continuous charge current for single-cell Li-Ion or Li-Pol applications using a dc power supply. The charger is programmed from the factory to deliver 0.7 A of charging current.

Specifications

Manufacturer	Texas Instruments
Category	Power Management
Sub-Category	Battery Chargers
Eval Board Part Number	296-18393-ND
Eval Board Supplier	Texas Instruments
Eval Board	Board not Stocked
Cell Type	Lithium Ion, Li-Ion Lithium Polymer, Li-Pol
Configuration	1 Cell
Voltage In	5 V
Voltage Out	4.2 V
Current Out	500mA, 200mA
Features	Auto Off Cell Preconditioning Status Indication Thermal Protection
Quiescent Current [Typical]	1.2 mA
Sleep Mode Current [Typical]
Component Count + Extras	14 + 10
Application / Target Market	Audio: MP3 Players Digital Cameras USB Powered Devices
Design Author	Texas Instruments
Main I.C. Base Part	BQ24022
Quiescent Current [Maximum]	2 mA
Sleep Mode Current [Maximum]	5 µA
Date Created By Author
Date Added To Library	2025-10