BQ24180

更新时间： 2024-09-15 06:44:11

品牌	Logo	应用领域
德州仪器 - TI		电池开关
页数	文件大小	规格书
39页	2806K
描述
Fully Integrated Switch-Mode One-Cell Li-Ion Charger with Full USB Compliance and Accessory Power Connection

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BQ24180 数据手册

bq24180

www.ti.com

SLUSA02 A –FEBRUARY 2010–REVISED FEBRUARY 2010

Fully Integrated Switch-Mode One-Cell Li-Ion Charger with Full USB Compliance and

Accessory Power Connection

Check for Samples: bq24180

FEATURES

•

Integrated Power FETs for Up to 1.5-A Charge

Rate

•

Charge Faster than Linear Chargers From

Current Limited Input Sources

Programmable Charge Parameters through

I²C™ compatible Interface (up to 3.4 Mbps)

•

High-Accuracy Voltage and Current Regulation

Synchronous Fixed-Frequency PWM

Controller Operating at 3 MHz With 0% to

99.5% Duty Cycle

–

Input Current Regulation Accuracy: ±5%

(100mA, 500mA)

Charge Voltage Regulation Accuracy:

±0.5% (25°C), ±1% (0–125°C)

•

Safety Timer and Software Watchdog

Reverse Leakage Protection Prevents Battery

Drainage

Charge Current Regulation Accuracy: ±5%

•

Accessory Power Output (DCOUT)

•

Thermal Regulation and Protection

Status Outputs for Charging and Faults

25-Pin WCSP Package

Input Voltage Based Dynamic Power

Management

•

Safety Limit Register for Maximum Charge

Voltage and Current Limiting

APPLICATIONS

High-Efficiency Mini-USB/AC Battery Charger

for Single-Cell Li-Ion and Li-Polymer Battery

Packs

•

Mobile Phones and Smart Phones

Portable Media Players

Handheld Devices

•

20-V Absolute Maximum and 16.5V Operation

Input Voltage Rating

Built-in Input Current Sensing and Limiting

DESCRIPTION

The bq24180 is a compact, flexible, high-efficiency, USB-friendly switch-mode charge management device for

single-cell Li-ion and Li-polymer batteries used in a wide range of portable applications. The charge parameters

is programmable using an I²C compatible interface. The bq24180 integrates a synchronous PWM controller,

power MOSFETs, input current sensing and overvoltage protection, high-accuracy current and voltage regulation,

and charge termination, into a small WCSP package.

POWER FOR

ACCESSORY

C 8

1 µF

SYSTEM

RSNS

68 mW

VBUS

PMID

1 µF

10nF

10µF

PACK

BOOT

PGND

TEMP

HOST

4.7 µF

bq24180

CSIN

PACK -

CSOUT

DRV

1 µF

C 5

0.1 µF

C 6

1 µF

VAUX

VBUS

D+

D-

VBUS

PSEL

10 kW

USB PHY

10 kW 10 kW

GND

SCL

SDA

Hardware Disable

4 kW

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.

I²C is a trademark of Phillips Electronics.

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...39

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与BQ24180相关器件

型号	品牌	获取价格	描述	数据表
BQ24180_1	TI	获取价格	Fully Integrated Switch-Mode One-Cell Li-Ion Charger with Full USB Compliance and Accessor
BQ24180YFFR	TI	获取价格	Fully Integrated Switch-Mode One-Cell Li-Ion Charger with Full USB Compliance and Accessor
BQ24180YFFT	TI	获取价格	Fully Integrated Switch-Mode One-Cell Li-Ion Charger with Full USB Compliance and Accessor
BQ24185	TI	获取价格	Fully Integrated Switch-Mode One-Cell Li-Ion Charger
BQ24185YFFR	TI	获取价格	Fully Integrated Switch-Mode One-Cell Li-Ion Charger with Full USB Compliance and Accessor
BQ24185YFFT	TI	获取价格	Fully Integrated Switch-Mode One-Cell Li-Ion Charger with Full USB Compliance and Accessor
BQ24188YFFR	TI	获取价格	2A, 30V, Host-Controlled Single-Input, Single Cell Switchmode Li-Ion Battery Charger 36-DS
BQ24188YFFT	TI	获取价格	2A, 30V, Host-Controlled Single-Input, Single Cell Switchmode Li-Ion Battery Charger 36-DS
BQ24190	TI	获取价格	I2C Controlled 4.5A Single Cell USB/Adaptor Charger With Narrow VDC Power Path Management
BQ24190_15	TI	获取价格	bq2419x I2C Controlled 4.5-A Single Cell USB/Adapter Charger with Narrow VDC Power Path Ma

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