Datasheet > BQ24100_07

BQ24100_07

更新时间： 2024-11-15 04:34:39

品牌	Logo	应用领域
德州仪器 - TI		开关
页数	文件大小	规格书
29页	611K
描述
SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POLYMER CHARGE-MANAGEMENT IC WITH INTEGRATED POWER FETs (bqSWITCHER⑩)

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BQ24100_07 数据手册

bq24100, bq24103, bq24105

bq24108, bq24113, bq24115

SLUS606B − JUNE 2004 − REVISED NOVEMBER 2004

SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POL CHARGE MANAGEMENT

IC WITH INTEGRATED POWERFETS (bqSWITCHERE)

FEATURES

DESCRIPTION

Ideal For High-Efficient Charger Designs For

Single-, Two- or Three-Cell Li-Ion and Li-Pol

Battery Packs

The bqSWITCHER™ series are highly integrated

Li-ion and Li-polymer switch-mode charge

management devices targeted at a wide range of

portable applications. The bqSWITCHER™ series

offers integrated synchronous PWM controller

and power FETs, high-accuracy current and

voltage regulation, charge preconditioning,

charge status, and charge termination, in a small,

thermally enhanced QFN package. The

system-controlled version provides additional

inputs for full charge management under system

control.

Integrated Synchronous Fixed-Frequency

PWM Controller Operating at 1.1 MHz with 0

to 100% Duty Cycle

Integrated PowerFETs For Up To 2-A Charge

Rate

High-Accuracy Voltage and Current

Regulation

Available In Both Stand-Alone (Built-In

Charge Management and Control) and

System-Controlled (Under System

Command) Versions

The bqSWITCHER charges the battery in three

phases: conditioning, constant current, and

constant voltage. Charge is terminated based on

Status Outputs For LED or Host Processor

Interface Indicates Charge-In-Progress,

Charge Completion, Fault, and AC-Adapter

Present Conditions

user-selectable minimum current level.

programmable charge timer provides a safety

backup for charge termination. The

bqSWITCHER automatically re-starts the charge

cycle if the battery voltage falls below an internal

threshold. The bqSWITCHER automatically

20-V Maximum Voltage Rating on IN and OUT

Pins

High-Side Current Sensing

enters sleep mode when V supply is removed.

Optional Battery Temperature Monitoring

APPLICATIONS

Automatic Sleep Mode for Low Power

Consumption

Handheld Products

System-Controlled Version Can Be Used In

NiMH and NiCd Applications

Portable Media Players

Industrial and Medical Equipment

Portable Equipment

Uses Ceramic Capacitors

Reverse Leakage Protection Prevents

Battery Drainage

Thermal Shutdown and Protection

Built-In Battery Detection

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.

bqSWITCHER™ and PowerPAD™ are trademarks of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

www.ti.com

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与BQ24100_07相关器件

型号	品牌	获取价格	描述	数据表
BQ24100_08	TI	获取价格	SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POLYMER
BQ24100_10	TI	获取价格	SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POLYMER CHARGE-MANAGEMENT IC WITH INTEGRATED POWER F
BQ24100RHL	TI	获取价格	SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POL CHARGE MANAGEMENT IC WITH INTEGRATED POWERFETS
BQ24100RHLR	TI	获取价格	SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POL CHARGE MANAGEMENT IC WITH INTEGRATED POWERFETS
BQ24100RHLRE3	TI	获取价格	IC IC,BATTERY MANAGEMENT,LLCC,20PIN,PLASTIC, Power Management Circuit
BQ24100RHLT	TI	获取价格	SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POL CHARGE MANAGEMENT IC WITH INTEGRATED POWERFETS
BQ24103	TI	获取价格	SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POL CHARGE MANAGEMENT IC WITH INTEGRATED POWERFETS
BQ24103A	TI	获取价格	SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POLYMER
BQ24103ARHLR	TI	获取价格	SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POLYMER
BQ24103ARHLRG4	TI	获取价格	SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POLYMER

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