ISL54227IRTZEVAL1Z datasheet(2/18 Pages) INTERSIL

Part #	ISL54227IRTZEVAL1Z

Description	High-Speed USB 2.0 (480Mbps) DPST Switch with Overvoltage Protection (OVP) and Dedicated Charger Port Detection

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Manufacturer	INTERSIL [Intersil Corporation]

Direct Link	http://www.intersil.com/cda/home

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ISL54227

2

FN7593.0

July 2, 2010

Pin Configurations

ISL54227

(10 LD 1.8X1.4 µTQFN)

TOP VIEW

ISL54227

(10 LD 3X3 TDFN)

TOP VIEW

NOTE:

1. Switches Shown for OE = “0”.

8

10

GND

INT

COM+

ALM

9

7

2

3

4

COM-

VDD

OE

5

LP

1

6

D+

D-

OVP

LOGIC

4MΩ 4MΩ

VDD

OE

COM-

COM+

D+

LP

1

2

3

4

5

10

9

8

7

6

GND

D-

ALM

INT

PD

OVP

LOGIC

4MΩ

Pin Descriptions

µTQFN TDFN

NAME

DESCRIPTION

1

2

LP

Low Power Input

2

3

D+

USB Data Port

3

4

COM+ USB Data Port

4

5

GND Ground Connection

5

6

COM- USB Data Port

6

7

D-

USB Data Port

78

ALM OTV ALARM Interrupt Output

89

OE

Switch Enable

9

10

VDD Power Supply

10

1

INT

Charger Mode Interrupt Output

-

PD

Thermal Pad. Tie to Ground or

Float

Truth Table

INPUT

OUTPUT

SIGNAL AT

COM PINS

LP

OE

D-,

D+ INT ALM

STATE

0V to 3.6V

0

OFF High High

Normal

0V to 3.6V

0

1

ON High High

Normal

0V to 3.6V

1

0

OFF High High

Low Power

Overvoltage

Range

3.65V to 5.25V

-0.29V to -5V

0

1

OFF High Low

OVP

COM Pins Tied

Together

0

OFF Low High

Charger Port

(CP)

COM Pins Tied

Together

1

0

OFF Low High

Charger Port

(Low Power)

Logic “0” when ≤ 0.5V, Logic “1” when ≥ 1.4V with a 2.7V to

3.6V Supply.

TABLE 1. OVP TRIP POINT VOLTAGE

SYSTEM VOLTAGE CONDITIONS

TRIP POINT

CODEC SUPPLY

SWITCH SUPPLY (VDD)

COMs SHORTED TO

PROTECTED

MIN

MAX

2.7V to 3.3V

2.7V to 5.25V

VBUS

Yes

3.62V

3.95V

2.7V to 3.3V

2.7V to 5.25V

-5V

Yes

-0.6V

-0.29V

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ISL54227IRTZEVAL1Z Datasheet(PDF) 2 Page - Intersil Corporation

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