FSA9285A Просмотр технического описания (PDF) - ON Semiconductor

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FSA9285A

MCPC-Compliant, USB-Port, Multimedia Switch with Auto-Detection, 12 V VBUS

ON Semiconductor 

Block Diagram

Phone

Power

Charger

IC

Audio

Codec

HS-USB

VBAT

VBUS_OUT

CHG_DETB

MIC

Audio_R

Audio_L

DP_HOST2

DM_HOST2

HS-USB

DP_HOST1

DM_HOST1

Interrupt

I2C

Baseband

Processor

INTB

I2C_SCL

I2C_SDA

VDDIO

FSA9285A

3:1

MUX

and

Charge

Pump

Switch

Control

and

I2C

Slave

Detection

OCP, OVP

Charger

Detect

Float / Short

Detect

Resistance

Detection

VBUS_IN

DM_CON

DP_CON

ID_CON

GND

USB Port

V BUS_IN

DM_CON

DP_CON

ID_CON

GND

Pin Configuration

Figure 1. Block Diagram

1

2

3

4

GND

DP_HOST2

DM_HOST2

VBAT

A

GND1

MIC

I2C_SDA

VDDIO

B

DM_HOST1

CHG_DETB

I2C_SCL

INTB

C

DP_HOST1

AUDIO_R

AUDIO_L

VBUS_OUT

D

ID_CON

DP_CON

DM_CON

VBUS_IN

E

© 2011 Fairchild Semiconductor Corporation

FSA9285A • Rev. 1.3

Figure 2. Pin Assignments (Top-Through View)

2

www.fairchildsemi.com

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