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1 Features

1? Advanced CEDV (Compensated End-of-Discharge

Voltage) Gauging

? Fully Integrated 2, 3, and 4 Series Li-Ion or Li-

Polymer Cell Battery Pack Manager

? 8-Bit RISC CPU With Ultra-Low Power Modes

? Full Array of Programmable Protection Features

– Voltage, Current, and Temperature

? SHA-1 Authentication

? Flexible Memory Architecture With Integrated

Flash Memory

? Supports Two-Wire SMBus v1.1 Interface With

High-speed 400kHz Programming Option

? P-CH High Side Protection FET Drive

? Low Power Consumption Sleep Mode: < 69 μA

? High-Accuracy Analog Front End With Two

Independent ADCs

– High-Resolution, 15~22-bit Integrator for

Coulomb Counting

– 16-Bit Delta-Sigma ADC With a 16-Channel

Multiplexer for Voltage, Current, and

Temperature

? Ultra Compact Package: 24-Pin TSSOP PW

2 Applications

? Netbook and Notebook PCs

? Medical and Test Equipment

? Portable Instruments

3 Description

The Texas Instruments bq3060 Battery Manager is a

fully integrated, single-chip, pack-based solution that

provides a rich array of features for gas gauging,

protection, and authentication for 2, 3, or 4 series cell

Li-Ion battery packs. With a footprint of merely 7.8

mm × 6.4 mm in a compact 24-pin TSSOP package,

the bq3060 maximizes functionality and safety while

dramatically cutting the solution cost and size for

smart batteries.

Using its integrated high-performance analog

peripherals, the bq3060 measures and maintains an

accurate record of available capacity, voltage,

current, temperature, and other critical parameters in

Li-Ion or Li-Polymer batteries, and reports the

information to the system host controller over an

SMBus 1.1-compatible interface.

The bq3060 provides software-first level and second

level safety protection on overvoltage, undervoltage,

overtemperature, and overcharge, as well as

hardware-overcurrent in discharge, short circuit in

charge, and discharge protection.