Datasheet > FSA831

FSA831

更新时间： 2024-10-02 12:21:43

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		开关
页数	文件大小	规格书
3页	306K
描述
USB2.0 High-Speed (480Mbps) Charger Detection with Isolation Switch

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中文翻译

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数据手册

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FSA831 数据手册

November 2011

FSA831 — USB2.0 High-Speed (480Mbps) Charger

Detection with Isolation Switch

Features

Description

USB Battery Charging Rev. 1.2

The FSA831 is a charger-detection IC with an integrated

isolation switch for use with a micro/mini USB port. The

FSA831 detects battery chargers and is compliant with USB

Battery Charging Specification, Rev 1.2 (BC1.2). The

algorithm incorporates Data Contact Detection (DCD), which

ensures that the shorter, inner pins of the USB connector are

making contact prior to continuing with battery charger

detection. The device determines if a Dedicated Charging

Port (DCP), Charging Downstream Port (CDP), or a typical

PC host, called a Standard Downstream Port (SDP), is

connected. If a charger is detected, the FSA831 determines

whether the charger is a DCP or CDP. For SDP and CDP

detection, an internal isolation switch is closed to connect

the D+/D- lines of the USB cable to the resident USB

transceiver within the portable device. The FSA831

conforms to all the constraints for the Dead Battery Provision

(DBP) within the BC1.2 specification, including a 30-minute

timer that cannot exceed 45 minutes, per BC1.2.

Supports Data Contact Detect (DCD)

Dead Battery Provision (DBP)

with 30-Minute Timer

USB Detection

Isolation Switch Closes for

Charging Downstream Port (CDP)

Switch Type

Standard Downstream Port (SDP)

28V Over-Voltage Tolerance

-2V Under-Voltage Tolerance

V_BUS

10-Lead MicroPak™

1.6 x 2.1mm, 0.5mm Pitch

Package

Ordering

Information

FSA831L10X

Applications

. MP3, Mobile Internet Device (MID), Cell Phone, PDA,

Related Resources

Digital Camera, Notebook and Netbook

. For samples and questions, please contact:

analogswitch@fairchildsemi.com.

Typical Application

FSA831

CHG_AL_N

USB Port

Regulator

and Switch

Control

System on

Chip (

V_BUS

GOOD_BAT

DM_HOST

)

OVT

SoC

V_{BUS_IN}

DM_CON

DP_CON

D-

USB

PHY

DP_HOST

SW_OPEN

D+

Charger

Detect

GND

CHG_DET

Charger

Li+

Bat

Figure 1. Mobile Phone Example

FSA831 • Rev. 1.0.2

www.fairchildsemi.com

12 3

中文翻译

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与FSA831相关器件

型号	品牌	获取价格	描述	数据表
FSA831AL10X	FAIRCHILD	获取价格	USB2.0 High-Speed (480 Mbps) Charger Detection with Isolation Switch, 10LD,MICROPAK,JEDEC
FSA831L10X	FAIRCHILD	获取价格	USB2.0 High-Speed (480Mbps) Charger Detection with Isolation Switch
FSA831L10X-F131	FAIRCHILD	获取价格	Power Management Circuit
FSA832	FAIRCHILD	获取价格	USB 2.0 High-Speed (480 Mbps) Charger Detection IC with Isolation Switch
FSA832L10	FAIRCHILD	获取价格	USB 2.0 High-Speed (480 Mbps) Charger Detection IC with Isolation Switch
FSA832L10X	FAIRCHILD	获取价格	Consumer Circuit, 2.10 X 1.60 MM, 0.50 MM PITCH, MO-255UABD, MICROPAK-10
FSA832L10X	ONSEMI	获取价格	USB 2.0 高速 (480 Mbps) 充电器检测集成电路，带隔离开关
FSA839	FAIRCHILD	获取价格	Low-Voltage, 0.8Ω SPDT Analog Switch with Pow
FSA839UCX	FAIRCHILD	获取价格	Low-Voltage, 0.8Ω SPDT Analog Switch with Pow
FSA839UCX	ONSEMI	获取价格	低电压，0.8Ω SPDT 具有断电隔离功能的模拟开关

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