ISL54200EVAL1Z Intersil, ISL54200EVAL1Z Datasheet

ISL54200EVAL1Z

Manufacturer Part Number

ISL54200EVAL1Z

Description

EVALUATION BOARD FOR ISL54200

Manufacturer

Intersil

Datasheets

1.ISL54200IRUZ-T.pdf (18 pages)

2.ISL54200EVAL1Z.pdf (5 pages)

Specifications of ISL54200EVAL1Z

Main Purpose

Interface, 2:1 Multiplexer

Embedded

Utilized Ic / Part

ISL54200

Primary Attributes

2 x SPDT Analog Switch

Secondary Attributes

2.7 V ~ 5.5 V Supply

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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Description

The ISL54200EVAL1Z evaluation board is designed to

provide a quick and easy method for evaluating the

ISL54200 USB Switch IC.

The ISL54200 device is a unique IC. To use this evaluation

board properly requires a thorough knowledge of the

operation of the IC. Refer to the data sheet for an

understanding of the functions and features of the device.

Studying the device’s truth-table along with its pin-out

diagram on page 2 of the data sheet is the best way to get a

quick understanding of how the part works.

A picture of the main evaluation board is shown in Figure 1.

The ISL54200

board. It is located in the center of the board and is

designated as U1.

The evaluation board contains USB connectors to allow the

user to easily interface with the IC to evaluate its functions,

features, and performance. For example, with the board

properly powered and configured as shown in Figure 2 you

can control the logic pins, IN and EN, to switch between a

high-speed device and a full-speed device while connected

to a single USB host (computer).

In a typical application, the ISL54200 dual SPDT device is

used to select between two different USB transceiver

sections of a media player. Logic control from a

determines which section to connect to the computer. To

change channels, the following sequence would possibly be

followed:

This application note will guide the user through the process

of configuring and using the evaluation board to evaluate the

ISL54200 device.

1. A signal would be sent to take the EN pin Low, to open all

2. The IN pin would be set to select the other USB channel.

3. The EN pin would then be taken High to close the

switches. The off-isolation of the ISL54200 device would

allow the present active channel to properly disconnect

from the computer.

switches to make the connection between the computer

and the other USB section of the player.

TQFN IC is soldered onto the evaluation

Application Note

processor

1-888-INTERSIL or 1-888-468-3774

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

ISL54200EVAL1Z Evaluation Board

Features

• Standard USB Connectors

• Standard Banana Jacks for Power, Ground, V

• Jumpers to allow a device to be powered through the Host

• Convenient Test Points and Connections for Test

Picture of Evaluation Board (Top View)

Logic Connections

Controller

Equipment

FIGURE 1. ISL54200EVAL1Z EVALUATION BOARD

All other trademarks mentioned are the property of their respective owners.

June 13, 2007

Intersil (and design) is a registered trademark of Intersil Americas Inc.

User’s Manual

AN1330.0

BUS

and

Related parts for ISL54200EVAL1Z

ISL54200EVAL1Z Summary of contents

Page 1

... Application Note Description The ISL54200EVAL1Z evaluation board is designed to provide a quick and easy method for evaluating the ISL54200 USB Switch IC. The ISL54200 device is a unique IC. To use this evaluation board properly requires a thorough knowledge of the operation of the IC. Refer to the data sheet for an understanding of the functions and features of the device. Studying the device’ ...

Page 2

Board Architecture/Layout Basic Layout of Evaluation Board The basic layout of the main board is as follows: Refer to Figure 1. • Power and Ground connections are at the top of the board at banana jacks (J4 and J5). • ...

Page 3

The USB switches are bi-directional, which allows the host (computer) and downstream USB device to both send and receive data. Full-Speed Switches The two FSx switches (FSD1, FSD2) are bi-directional switches that can pass rail-to-rail signals. When powered with a ...

Page 4

... J1 JP2 JP1 JP5 HIGHSPEED JP3 ISL54200EVAL1Z EVALUATION BOARD 3. Connect a high-speed USB device at USB connector J2 and connect a full-speed USB device at USB connector J3. These connectors are located on the right under-side of the evaluation board. 4. Drive the EN control pin LOW to open all switches of the ISL54200 IC. ...

Page 5

... TP3 VBUS Test Point From Computer JP1 D-/D+ Differential Probe Connection - COM Side of Switch JP2 D-/D+ Differential Probe Connection - High-Speed Device Side of Switch JP3 D-/D+ Differential Probe Connection - Full-speed Device Side of Switch ISL54200EVAL1Z Board Schematic VDD 10UF C2 1 TP1 0.1UF MOUNT ...

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