bq20z60-R1

www.ti.com

SLUS991 – DECEMBER 2009

SBS 1.1-COMPLIANT GAS GAUGE ENABLED WITH IMPEDANCE TRACK™

TECHNOLOGY FOR USE WITH THE bq29330

Check for Samples :bq20z60-R1

1

FEATURES

APPLICATIONS

•

Notebook PCs

2

•

Next Generation Patented Impedance Track™

Technology Accurately Measures Available

•

Medical and Test Equipment

Charge in Li-Ion and Li-Polymer Batteries

•

Portable Instrumentation

–

Better Than 1% Error Over the Lifetime of

DESCRIPTION

the Battery

•

Supports the Smart Battery Specification

The bq20z60-R1 SBS-compliant gas gauge and

SBS V1.1

protection IC, incorporating patented Impedance

Track™ technology, is designed for battery-pack or

•

Flexible Configuration for 2 to 4 Series Li-Ion

in-system installation. The bq20z60-R1 measures

and Li-Polymer Cells

and maintains an accurate record of available charge

•

Powerful 8-Bit RISC CPU With Ultralow Power

in Li-ion or Li-polymer batteries using its integrated

Modes

high-performance

analog

peripherals.

The

bq20z60-R1

monitors

capacity

change,

battery

•

Full Array of Programmable Protection

impedance, open-circuit voltage, and other critical

Features

parameters of the battery pack, which reports the

–

Voltage, Current, and Temperature

information to the system host controller over a

•

Satisfies JEITA Guidelines

serial-communication bus. It is designed to work with

the bq29330 analog front-end (AFE) protection IC to

•

Added Flexibility to Handle More Complex

maximizes functionality and safety while minimizing

Charging Profiles

external component count and cost in smart battery

•

Lifetime Data Logging

circuits.

•

Drives 3, 4, or 5 Segment LED Display for

The Impedance Track™ technology continuously

Battery-Pack Conditions

analyzes the battery impedance, resulting in superior

•

Supports SHA-1 Authentication

gas-gauging accuracy. This enables the remaining

•

Available in a 30-Pin TSSOP (DBT) package

capacity

to

be

calculated

with

discharge

rate,

temperature, and cell aging that are all accounted for

during each stage of every cycle with high accuracy.

Table 1. AVAILABLE OPTIONS

PACKAGE

30-PIN TSSOP (DBT) Tube

30-PIN TSSOP (DBT) Tape & Reel

–40°C to 85°C

(1)

A single tube quantity is 60 units.

(2)

A single reel quantity is 2000 units

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2

Impedance Track is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Copyright © 2009, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.