BQ20Z45DBT

更新时间： 2024-10-28 06:44:11

品牌	Logo	应用领域
德州仪器 - TI		仪表
页数	文件大小	规格书
20页	477K
描述
SBS 1.1-Compliant Gas Gauge and Protection Enabled With Impedance Track™

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BQ20Z45DBT 数据手册

bq20z45

www.ti.com .................................................................................................................................................................................................. SLUS800–MARCH 2009

SBS 1.1-Compliant Gas Gauge and Protection Enabled With Impedance Track™

FEATURES

DESCRIPTION

•

Next Generation Patented Impedance Track™

Technology Accurately Measures Available

Charge in Li-Ion and Li-Polymer Batteries

The bq20z45 SBS-compliant gas gauge and

protection IC is a single IC solution designed for

battery-pack or in-system installation. The bq20z45

measures and maintains an accurate record of

available charge in Li-ion or Li-polymer batteries

using its integrated high-performance analog

peripherals, monitors capacity change, battery

impedance, open-circuit voltage, and other critical

parameters of the battery pack as well and reports

the information to the system host controller over a

serial-communication bus. Together with the

integrated analog front-end (AFE) short-circuit and

overload protection, the bq20z45 maximizes

functionality and safety while minimizing external

component count, cost, and size in smart battery

circuits.

–

Better Than 1% Error Over the Lifetime of

the Battery

•

Supports the Smart Battery Specification

SBS V1.1

Flexible Configuration for 2 to 4 Series Li-Ion

and Li-Polymer Cells

Powerful 8-Bit RISC CPU With Ultralow Power

Modes

Full Array of Programmable Protection

Features

–

Voltage, Current, and Temperature

•

Satisfies JEITA Guidelines

The implemented Impedance Track™ gas gauging

technology continuously analyzes the battery

impedance, resulting in superior gas-gauging

accuracy. This enables remaining capacity to be

calculated with discharge rate, temperature, and cell

aging all accounted for during each stage of every

cycle with high accuracy.

Added Flexibility to Handle More Complex

Charging Profiles

•

Lifetime Data Logging

Supports SHA-1 Authentication

Complete Battery Protection and Gas Gauge

Solution in One Package

•

Available in a 38-Pin TSSOP (DBT) package

APPLICATIONS

•

Notebook PCs

Medical and Test Equipment

Portable Instrumentation

AVAILABLE OPTIONS

PACKAGE⁽¹⁾

T_A

38-PIN TSSOP (DBT) Tube

38-PIN TSSOP (DBT) Tape and Reel

–40°C to 85°C

bq20z45DBT⁽²⁾

bq20z45DBTR⁽³⁾

(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI

website at www.ti.com.

(2) A single tube quantity is 50 units.

(3) A single reel quantity is 2000 units

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.

Impedance Track is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...20

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BQ20Z45DBT 替代型号

型号	品牌	替代类型	描述	数据表
BQ20Z45DBTR	TI	完全替代	SBS 1.1-Compliant Gas Gauge and Protection En

与BQ20Z45DBT相关器件

型号	品牌	获取价格	描述	数据表
BQ20Z45DBTR	TI	获取价格	SBS 1.1-Compliant Gas Gauge and Protection En
BQ20Z45DBT-R1	TI	获取价格	SBS 1.1-Compliant Gas Gauge and Protection En
BQ20Z45DBTR-R1	TI	获取价格	SBS 1.1-Compliant Gas Gauge and Protection En
BQ20Z45-R1	TI	获取价格	SBS 1.1-Compliant Gas Gauge and Protection En
BQ20Z45-R1_17	TI	获取价格	SBS 1.1-Compliant Gas Gauge and Protection Enabled With Impedance Track
BQ20Z45-R1DBT	TI	获取价格	SBS 1.1-Compliant Gas Gauge and Protection En
BQ20Z45-R1DBTR	TI	获取价格	SBS 1.1-Compliant Gas Gauge and Protection En
BQ20Z60DBT	TI	获取价格	SBS compliant Gas Gauge with Impedance Track Technology for use with BQ29330 30-TSSOP -40
BQ20Z60DBTR	TI	获取价格	SBS compliant Gas Gauge with Impedance Track Technology for use with BQ29330 30-TSSOP -40
BQ20Z60DBT-R1	TI	获取价格	SBS 1.1-COMPLIANT GAS GAUGE ENABLED WITH IMPE

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