Datasheet > FSA9485UCX

FSA9485UCX

更新时间： 2025-08-08 12:23:27

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		/
页数	文件大小	规格书
4页	616K
描述
USB Port Multimedia Switch Featuring Automatic Switching and Accessory Detection

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FSA9485UCX 数据手册

July 2012

FSA9485 — USB Port Multimedia Switch Featuring

Automatic Switching and Accessory Detection

Features

Description

Switch Type

Switch

Mechanism

Audio, USB, UART, Video, Charging

Automatic Switching with Available

Interrupt

The FSA9485 is

a high-performance multimedia

switch featuring automatic switching and accessory

detection for the USB port. The FSA9485 allows the

sharing of a common USB port to pass audio, video,

USB data / charging / On-The-Go (OTG), as well as

factory programmability.

Headsets with MIC and Remote

USB Data Cable

UART Serial Link

USB Chargers (Car, CDP, DCP)

Factory-Mode Cables

Teletype (TTY) Converter

USB OTG

Accessory

Detection

In addition, the FSA9485 integrates detection for

accessories such as headphones, headsets (MIC /

Button), CEA-936-A Car Kit, USB chargers, and UART

data cables to use a common USB connector. The

FSA9485 can be programmed for manual switching or

automatic switching of data paths based on the

accessory detected.

CEA-936-A Car Kit

Video

Full-Speed and High-Speed

2.0 Compliant

USB

Integrated FET, Charger Detect,

OCP (1.5A), OVT (28V), 7V OVP

Left, Right, MIC (Negative Swing)

RxD & TxD

With integrated 28V over-voltage protection and 1.5A

over-current protected FET, the FSA9485 integrates

USB Charging

Audio

UART

Video

V_BAT

Programmability

ESD

Package

Ordering

Information

common USB protection devices for V_BUS

Applications

Composite

3 to 4.4V

I²C

Mobile Phones & Portable Media Players

15kV IEC 61000-4-2 Air Gap

25-Ball WLCSP (2.1x2.1x0.625mm)

Additional Information

For additional performance information, please

contact analogswitch@fairchildsemi.com.

FSA9485UCX

STEREO / MONO

HEADPHONES

VIDEO

USB DATA, OTG,

CHARGING

UART

FACTORY TEST

TTY CONVERTER

OCP, OVP

PROTECTION

FSA9485

FSA9280A

Figure 1.

Typical Application

FSA9485 • Rev. 1.0.3

www.fairchildsemi.com

12 3 4

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