Introduction
1
Introduction
1.1
bq2416x IC Features
The bq24165, 24166, 24167 integrates a synchronous PWM controller, power MOSFETs, input current
sensing, high-accuracy current and voltage regulation, charge termination and power path management
into a chipscale package. Key integrated circuit (IC) features include:
•
High-efficiency, fully integrated, NMOS-NMOS, synchronous buck charger with 1.5-MHz frequency
•
Integrated power FETs for up to 2.5-A charge rate
•
Power path management between battery and system voltages
For details, see the bq24165, 24166, 24167 data sheet (
).
1.2
bq24165, 24166, 24167 EVM Features
The bq24165, 24166, 24167 evaluation module (EVM) is a complete charger module for evaluating
compact, flexible, high-efficiency, USB-friendly, switch-mode battery charge and power path management
solution for single-cell, Li-ion and Li-polymer battery-powered systems used in a wide range of portable
applications. Key EVM features include:
•
Programmable charge current, input current on, and V
INDPM
threshold using jumpers
•
Input power connectors for both USB input and ac adapter
•
Programmable charge current, input current on, and V
INDPM
threshold using jumpers
•
IN operating range of 4.2 V – 10 V
•
USB operating range of 4.2 V – 6 V
•
LED indication for status signals
•
Test points for key signals available for testing purposes. Easy probe hook-up
2
Chipscale-Packaged bq24165, 24166, 24167 Evaluation Modules
SLUU497B – December 2011 – Revised June 2012
Copyright © 2011–2012, Texas Instruments Incorporated
