BQ24316DSG

更新时间： 2024-11-18 04:34:39

品牌	Logo	应用领域
德州仪器 - TI		过电流保护
页数	文件大小	规格书
25页	1045K
描述
OVERVOLTAGE AND OVERCURRENT PROTECTION IC AND Li+ CHARGER FRONT-END PROTECTION IC

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BQ24316DSG 数据手册

bq24314

bq24316

www.ti.com

SLUS763C–JULY 2007–REVISED OCTOBER 2007

OVERVOLTAGE AND OVERCURRENT PROTECTION IC AND

Li+ CHARGER FRONT-END PROTECTION IC

FEATURES

•

Available in Space-Saving Small 8 Lead 2×2

SON and 12 Lead 4x3 SON Packages

•

Provides Protection for Three Variables:

–

Input Overvoltage, with Rapid Response in

< 1 μs

APPLICATIONS

•

Mobile Phones and Smart Phones

PDAs

MP3 Players

Low-Power Handheld Devices

Bluetooth Headsets

User-Programmable Overcurrent with

Current Limiting

Battery Overvoltage

•

30V Maximum Input Voltage

Supports up to 1.5A Input Current

Robust Against False Triggering Due to

Current Transients

•

Thermal Shutdown

Enable Input

Status Indication – Fault Condition

DESCRIPTION

The bq24314 and bq24316 are highly integrated circuits designed to provide protection to Li-ion batteries from

failures of the charging circuit. The IC continuously monitors the input voltage, the input current, and the battery

voltage. In case of an input overvoltage condition, the IC immediately removes power from the charging circuit by

turning off an internal switch. In the case of an overcurrent condition, it limits the system current at the threshold

value, and if the overcurrent persists, switches the pass element OFF after a blanking period. Additionally, the IC

also monitors its own die temperature and switches off if it becomes too hot. The input overcurrent threshold is

user-programmable.

The IC can be controlled by a processor and also provides status information about fault conditions to the host.

APPLICATION SCHEMATIC

AC Adapter

VDC

GND

1 IN

OUT

1 mF

bq24080

Charger IC

bq24316DSG

SYSTEM

VBAT

FAULT

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.

PowerPAD 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...25

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与BQ24316DSG相关器件

型号	品牌	获取价格	描述	数据表
BQ24316DSGR	TI	获取价格	OVERVOLTAGE AND OVERCURRENT PROTECTION IC AND Li+ CHARGER FRONT-END PROTECTION IC
BQ24316DSGRG4	TI	获取价格	OVERVOLTAGE AND OVERCURRENT PROTECTION IC AND Li+ CHARGER FRONT-END PROTECTION IC
BQ24316DSGT	TI	获取价格	OVERVOLTAGE AND OVERCURRENT PROTECTION IC AND Li+ CHARGER FRONT-END PROTECTION IC
BQ24316DSGTG4	TI	获取价格	OVERVOLTAGE AND OVERCURRENT PROTECTION IC AND Li+ CHARGER FRONT-END PROTECTION IC
BQ24316DSJ	TI	获取价格	OVERVOLTAGE AND OVERCURRENT PROTECTION IC AND Li+ CHARGER FRONT-END PROTECTION IC
BQ24316DSJR	TI	获取价格	OVERVOLTAGE AND OVERCURRENT PROTECTION IC
BQ24316DSJRG4	TI	获取价格	OVERVOLTAGE AND OVERCURRENT PROTECTION IC
BQ24316DSJT	TI	获取价格	OVERVOLTAGE AND OVERCURRENT PROTECTION IC
BQ24316DSJTG4	TI	获取价格	OVERVOLTAGE AND OVERCURRENT PROTECTION IC
BQ24350	TI	获取价格	Over-Voltage and Over-Current Charger Front-end Protection IC With Integrated Charging FET

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