BQ24185YFFR

更新时间： 2024-11-16 12:54:03

品牌	Logo	应用领域
德州仪器 - TI		电源电路电池开关电源管理电路
页数	文件大小	规格书
41页	2711K
描述
Fully Integrated Switch-Mode One-Cell Li-Ion Charger with Full USB Compliance and Accessory Power Connection

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BQ24185YFFR 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	BGA
包装说明：	VFBGA,	针数：	25
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.15
Is Samacsys：	N	可调阈值：	YES
模拟集成电路 - 其他类型：	POWER SUPPLY MANAGEMENT CIRCUIT	JESD-30 代码：	S-XBGA-B25
JESD-609代码：	e1	长度：	2.4 mm
湿度敏感等级：	1	信道数量：	1
功能数量：	1	端子数量：	25
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	UNSPECIFIED	封装代码：	VFBGA
封装形状：	SQUARE	封装形式：	GRID ARRAY, VERY THIN PROFILE, FINE PITCH
峰值回流温度（摄氏度）：	260	认证状态：	Not Qualified
座面最大高度：	0.625 mm	最大供电电压 (Vsup)：	16 V
最小供电电压 (Vsup)：	4 V	标称供电电压 (Vsup)：	5 V
表面贴装：	YES	温度等级：	INDUSTRIAL
端子面层：	Tin/Silver/Copper (Sn/Ag/Cu)	端子形式：	BALL
端子节距：	0.4 mm	端子位置：	BOTTOM
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	2.2 mm
Base Number Matches：	1

BQ24185YFFR 数据手册

bq24185

www.ti.com

SLUSA43 –SEPTEMBER 2010

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

Accessory Power Connection

Check for Samples: bq24185

FEATURES

•

Integrated Power FETs for Up to 1.5A 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%

•

300mA, 5V Boost Mode for USB OTG Support

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

•

Mobile Phones and Smart Phones

Portable Media Players

Handheld Devices

High-Efficiency Mini-USB/AC Battery Charger

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

Packs

•

20V Absolute Maximum and 16.5V Operation

Input Voltage Rating

Built-in Input Current Sensing and Limiting

DESCRIPTION

The bq24185 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 bq24185 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

bq24185

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...41

中文翻译

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BQ24185YFFR 替代型号

型号	品牌	替代类型	描述	数据表
BQ24185YFFT	TI	类似代替	Fully Integrated Switch-Mode One-Cell Li-Ion Charger with Full USB Compliance and Accessor
BQ24180YFFT	TI	类似代替	Fully Integrated Switch-Mode One-Cell Li-Ion Charger with Full USB Compliance and Accessor
BQ24180YFFR	TI	类似代替	Fully Integrated Switch-Mode One-Cell Li-Ion Charger with Full USB Compliance and Accessor

与BQ24185YFFR相关器件

型号	品牌	获取价格	描述	数据表
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
BQ24190RGER	TI	获取价格	I2C Controlled 4.5A Single Cell USB/Adaptor Charger With Narrow VDC Power Path Management
BQ24190RGET	TI	获取价格	I2C Controlled 4.5A Single Cell USB/Adaptor Charger With Narrow VDC Power Path Management
BQ24191RGER	TI	获取价格	I2C Controlled 4.5A Single Cell USB/Adaptor Charger With Narrow VDC Power Path Management
BQ24191RGET	TI	获取价格	I2C Controlled 4.5A Single Cell USB/Adaptor Charger With Narrow VDC Power Path Management
BQ24192	TI	获取价格	I2C Controlled 4.5A Single Cell USB/Adapter Charger With Narrow VDC Power Path Management

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