Datasheet

Introduction

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1 Introduction

1.1 bq2416x IC Features

The bq24165/166/167 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 bq24165/166/167 data sheet (SLUSAP4).

1.2 bq24165/166/167EVM Features

The bq24165/166/167 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

QFN-Packaged bq24165/166/167EVM-720 Evaluation Modules SLUU669–January 2012

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