Datasheet > BD7168GU-E

BD7168GU-E

更新时间： 2024-11-26 12:51:27

品牌	Logo	应用领域
罗姆 - ROHM		开关
页数	文件大小	规格书
60页	4592K
描述
USB Switching Charger IC Integrating a USB Adapter Automatic Detection Function

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中文翻译

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BD7168GU-E 数据手册

Datasheet

For DSC/TABLET/Mobile Phones

USB Switching Charger IC Integrating a

USB Adapter Automatic Detection Function

BD7168GU

● Overview

High-efficient step-down switching charger IC

● Package

・VCSP85H3

●

3.20mm x 3.20mm x 1.0mm

integrating a USB adapter automatic detection function,

a 28V OVP, and a 40-mΩ Pch-FET between SYSTEM

and Battery for single-cell Li-ion Batteries for mobile

appliances

● Operation conditions

・Input voltage range；

・Output voltage range；

・Output current；

・Switching frequency；

・High-side FET(Pch)ON resistance；

・Low-side FET(Nch)ON resistance；

3.895～6.0V

0～5.5V

2.0A(max)

1.0MHz(typ.)

125mΩ(typ.)

100mΩ(typ.)

● Features

・A 28V OVP and a controller of protection for minus voltage

are integrated.

・A USB adapter automatic detection function based on D+

and D- detection is integrated.

● Terminal arrangement diagram (TOP VIEW)

・Set values can be changed via I2C communication.

・A 1-MHz synchronous current-mode step-down DC/DC

converter, which permits small external parts to be attached,

is integrated.

DMO

DPO

DMI

DPI

VBUS

・The USB input current limit can be set at 100 mA, 500 mA,

900 mA, or 1500 mA with I2C and an external terminal.

・A current detection register is integrated, and external FETs

and diodes are not required.

・The switch between SYSTEM and VBAT contains a 40-mΩ

Pch FET.

GND

CEN

USB_OK

GCNT

VIN

VREG

USUS

(index)

IUSSET1

・A battery assist function is integrated, which automatically

supplied electric power from the battery in case of

insufficient USB input electric power.

SCL

SDA

(TEST)

PGND

IUSSET2

VDD

INT_B

VBAT

SYSTEM

・A ultra-miniature WL-CSP is adopted, which measures 3.2

x 3.2 mm and has a 0.5-mm pitch.

XPWR_ON

CTI

CRG

XPWR_RST

VBAT

SYSTEM

● Application

・Digital still cameras, tablet PC, mobile phones, smart cell

phones

● Application circuit

Thermistor

Startup

control IC

System

power supply

microcomputer

○Product structure：Silicon monolithic integrated circuit ○This product is not designed

About this document

The Japanese version of this document is the formal data sheet. If you find differences from the Japanese data sheet, please have priority over this data sheet.

www.rohm.com

TSZ02201-0Q2Q0A400070-1-2

20012.10.09 Rev.001

1/57

TSZ22111・14・001

12 3 4 5 6 7...60

中文翻译

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与BD7168GU-E相关器件

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