Datasheet > BQ24161B_15

BQ24161B_15

更新时间： 2024-09-15 01:17:07

品牌	Logo	应用领域
德州仪器 - TI		电池
页数	文件大小	规格书
52页	2213K
描述
bq2416xx 2.5A, Dual-Input, Single-Cell Switched-Mode Li-Ion Battery Charger with Power Path Management and I2C Interface

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BQ24161B_15 数据手册

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bq24160, bq24160A, bq24161

bq24161B, bq24163, bq24168

SLUSAO0F –NOVEMBER 2011–REVISED JULY 2014

bq2416xx 2.5A, Dual-Input, Single-Cell Switched-Mode Li-Ion Battery Charger with Power

Path Management and I²C Interface

1 Features

2 Applications

•

High-Efficiency Switched-Mode Charger with

Separate Power Path Control

•

Handheld Products

Portable Media Players

Portable Equipment

–

Instantly Start Up System from a Deeply

Discharged Battery or No Battery

Netbook and Portable Internet Devices

•

Compatible with MaxLife™ Technology for Faster

Charging When Used in Conjunction With

bq27530

3 Description

The bq24160, bq24160A, bq24161, bq24161B,

bq24163, and bq24168 are highly integrated single-

cell Li-Ion battery charger and system power path

management devices targeted for space-limited,

portable applications with high-capacity batteries. The

single-cell charger has dual inputs which allow

operation from either a USB port or a higher-power

input supply (that is, AC adapter or wireless charging

input) for a versatile solution. The two inputs are fully

isolated from each other and are easily selectable

using the I²C interface.

Dual Input, Integrated FET Charger for up to 2.5-A

Charging

–

20-V input rating, with Overvoltage Protection

(OVP)

–

6.5 V for USB Input up to 1.5 A

10.5 V for IN input (bq24160, bq24160A,

bq24161, bq24163) up to 2.5 A

–

6.5 V for IN input (bq24168) up to 2.5 A

•

Safe and Accurate Battery-Management

Functions

The power path management feature allows the

bq2416xx to power the system from a high-efficiency

–

1% Battery Regulation Accuracy

DC-DC

converter

while

simultaneously

and

–

10% Charge Current Accuracy

independently charging the battery. The power-path

management architecture enables the system to run

with a defective or absent battery pack and enables

instant system turnon even with a totally discharged

battery or no battery.

•

Charge Parameters Programmed Using I²C

Interface

Voltage-Based, NTC Monitoring Input

–

JEITA Compatible (bq24160, bq24160A,

bq24161B, bq24163, bq24168)

Device Information

PART NUMBER

bq2416xx

PACKAGE

VQFN (24)

DSBGA (49)

BODY SIZE (NOM)

4.00 mm × 4.00 mm

2.80 mm × 2.80 mm

•

Available in small 2.8-mm × 2.8-mm 49-ball

WCSP or 4-mm × 4-mm VQFN-24 Packages

(1) For all available packages, see the orderable addendum at

the end of the datasheet.

4 Application Schematic

AC Adapter or

Wireless Power

System

Load

PMIDI

USB

VBUS

D+

D–

BOOT

SYS

GND

PMIDU

D+

D–

BAT

SDA

SCL

HOST

INT

TEMP PACK+

PGND

DRV

–

SYS

PACK–

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...52

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与BQ24161B_15相关器件

型号	品牌	获取价格	描述	数据表
BQ24161BRGER	TI	获取价格	具有双输入、电源路径、JEITA 和 PSEL 的 I2C 单节 2.5A 降压电池充电器
BQ24161BRGET	TI	获取价格	具有双输入、电源路径、JEITA 和 PSEL 的 I2C 单节 2.5A 降压电池充电器
BQ24161BYFFR	TI	获取价格	IC POWER SUPPLY MANAGEMENT CKT, Power Management Circuit
BQ24161BYFFT	TI	获取价格	IC POWER SUPPLY MANAGEMENT CKT, Power Management Circuit
BQ24161RGER	TI	获取价格	2.5A, Dual-Input, Single Cell Switchmode Li-Ion Battery Charger with Power Path
BQ24161RGET	TI	获取价格	2.5A, Dual-Input, Single Cell Switchmode Li-Ion Battery Charger with Power Path
BQ24161YFFR	TI	获取价格	2.5A, Dual-Input, Single Cell Switchmode Li-Ion Battery Charger with Power Path
BQ24161YFFT	TI	获取价格	2.5A, Dual-Input, Single Cell Switchmode Li-Ion Battery Charger with Power Path
BQ24163	TI	获取价格	2.5A, Dual-Input, Single Cell Switchmode Li-Ion Battery Charger with Power Path
BQ24163RGER	TI	获取价格	2.5A, Dual-Input, Single Cell Switchmode Li-Ion Battery Charger with Power Path

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