Intersil ISL54302EVAL1Z Manual de usuario

AN1382.0

ISL54302EVAL1Z Evaluation Board

User’s Manual

Before Getting Started

Voltage Supplies

This document supplements the ISL54302 data sheet

FN6592. Evaluation board users should review that

document to obtain information on the part’s basic

functionality and power requirements. Important Note:

before powering up the board, review the Power-Up

Sequence section in the ISL54302 data sheet. There are

many DC sources utilized, so a user may inadvertently

misapply the power sources causing damage to the part.

Take time to review the ISL54302 Data Sheet (FN6592) and

become familiar with the part’s basic functions and power

options. Note also that FN6591 supersedes this document

with respect to updates and modifications. Always refer to

that document if discrepancies occur.

No signal should be more positive than VPLUS or more

negative than VSS. Also, all voltages are reference to the

GND Pin. Under all circumstances, VLOGIC should be 3.0V

±10% and VDD should also be 3.0V above VSS.

Software Installation

This ISL54302EVAL1Z Evaluation board comes with

software for operating the switch conditions of the board.

This feature is based in a USB interface dongle that Intersil

uses in many applications. This dongle comes pretested and

plugged into the ISL54302EVAL1Z Evaluation board. Care

should be taken not to inadvertently remove the dongle from

the evaluation board as it is detachable. It is detachable so

the user can remove the Dongle and connect a customer

specific control if desired.

Before attaching the USB cable or applying power to the

Evaluation board banana jacks, the user must execute the

installation program.

Intersil_ISL54302_Installer.Exe. This program not only installs

the Evaluation Software, but also installs the USB drivers

needed to communicate with the Intersil USB Dongle.

Double click on the installer program to execute and follow

the defaults for performing the installation.

All Intersil Evaluation Software is placed in a directory in the

Windows “Program Files” Directory. After installation the

software is available at: All Programs/Intersil/Intersil_54302.

In that directory will be both the execution program and the

uninstaller.

Once installation is complete, connect the USB cable. You

will receive audio notice that the new device is ready for use.

Once this occurs, double click on the ISL54302 application.

The operator interface screen will appear on your desktop.

Two buttons are located on the right hand side of the user

screen. They provide a quick means of testing the computer

to Dongle communications. Clicking on the “Led’s On” will

turn on the Green and Red Led’s located on the USB

Dongle. Clicking “Led’s Off” will turn them off again.

If the LED’s fail to respond:

1. Exit the application and restart the application.

2. Exit the application, disconnect the USB cable, wait for

the USB disconnect tone, then connect the USB, wait for

the connect tone and restart the application.

Once you can successfully turn the Dongle Led’s on and off,

you are ready to start working with ISL54302 device.

FIGURE 1. ISL54302 SWITCH CONTROL

Device Power Supply Banana Jacks

There are five banana jacks located on the edge of the

board.

• GND - the reference for all supplies always 0Vs

• VSS - the negative switch operating range (-3V to 0V)

• VDD - digital logic supply, always VSS + 3V

• VLOGIC - digital interface reference always 3V

• VPLUS - Positive switch operation range, 5V to 9V

Apply these voltages in the order detailed in the device

specification.

Test Setup Voltages

The user may wish to adopt the procedure outlined in the

“Initial Power-Up” section on page 2.

Application Note March 18, 2008

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

1-888-INTERSIL or 1-888-468-3774 |Intersil (and design) is a registered trademark of Intersil Americas Inc.

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

2March 18, 2008

Scope Probe Connections

Another topic to cover before getting started is the evaluation

board physical connections for waveform observations. On

each schematic version, you will see a component with pins

designated as leadless scope probe connections. This is not

an active component but a dual pin header physically

designed to accommodate connection of Active/ Differential

Probes. This will minimize Ground Lead Inductance and

Capacitive Loading while make waveform observations.

However, the user must also be mindful of Max Voltage

Limitations when using these types of probes.

Scope Probe Test Points (TP) are positioned across most

device pins and power supplies.

Initial Power-Up

Please refer to the device specifications found in the

FN6592 data sheet for power-up sequencing and current

requirements.

Test Setup Voltages

To get started, the user may wish to adopt the following

voltages which provide an analog switch range that is

rail-to-rail. With these conditions, the user needs only three

power supplies to get started.

• VSS = GND = 0V

• VDD = VLOGIC = 3V

• VPLUS = +6V to + 12V

The user can now open and close each switch via the

software by checking and unchecking the switch controls

and click the “Write” button.

BNC (Switch Contact) Connections

The evaluation board provides BNC connections for Switch

Contact A and Switch Contact B signals see Figures 2 and 3.

Since the ISL54302 is a quad switch device, there are eight

BNC connections to the evaluation board.

Test Procedure

First Time Setup

SOFTWARE INSTALLATION AND BASIC

COMMUNICATIONS CHECK

1. Remove the USB cable; do not have Evaluation board

USB cable connected during software installation

2. Double click the provided installation file and follow the

instructions for installation

- Intersil_ISL54302_Installer.Exe.

3. When finished, exit the installation software.

4. Connect the USB cable between the Evaluation board

and your computer.

5. Run the Evaluation software. Start\ All Programs\Intersil\

ISL54302 Demo

6. Click the Led’s On and Led’s Off buttons and verify the

green and red LED’s on the Intersil USB board.

7. Exit the Software

Electrical Specifications Evaluation Board Test, Typical

Current Drain

PARAMETER TEMP

(°C) MIN TYP MAX UNITS

POWER SUPPLY CHARACTERISTICS

VPLUS Supply, I (Quiescent) 25 - 15 - µA

VSS Supply, I (Quiescent) 25 - 16 - µA

VDD Supply, I (Quiescent) 25 - 1 - µA

VLOGIC Internal Logic Supply,

I (Quiescent) 25 - 0 - µA

= LEADLESS SCOPE PROBE CONNECTION

U14B U14B

U14A

U11A

U13A

U12A

U11B

U12B

U12A

U11B

U13A

U13B

U14A

U11A

U13B

U12B

FIGURE 2. BNC CONNECTIONS FOR ALL SWITCH CONTACTS

Application Note 1382

3March 18, 2008

Test Procedure For Each Board Under Test.

1. Connect USB cable between your computer and the

evaluation board.

2. Start the Evaluation Software

- “Start\All Programs\Intersil\ISL54302 Demo”

3. Verify the LED’s turn on and off. (Click Led’sOn/Led’s Off

buttons on user screen.)

4. Apply power to the Evaluation Banana Jack,as specified

in the FN6592 (ISL54302 Data Sheet)

5. Verify approximate currents (Electrical Specifications

Table)

6. Place an ohm meter across each set of switch contacts

and open and close each switch with the software. Click

the associated switch check box and click “Write” button.

When the switch is closed, the resistance should be less

than 5Ω, and when open, it should be greater than 500k.

7. If all switches operate, board test is successful.

Schematic Information

This evaluation board supports the ISL54301 and ISL54302.

In the case of the ISL54302, the Cheetah Connection is not

used. This also explains why there are scope probe test

points and connections made to pins designated as NC - “No

Connection” on the ISL54302 version of the Evaluation

board see Figure 4.

FIGURE 3. ISL54302 EVAL BOARD (BNC CONNECTORS ALLOW FOR AC STIMULUS)

TEST LEDS

SCOPE

TEST

POINTS

Application Note 1382

4March 18, 2008

FIGURE 4. ISL54302 EVAL BOARD SCHEMATIC

GND

4.7µF

U14B U14B

U14A

U11A

U13A

U12A

U11B

U11A

U11B

U12A

U12B

SW-CTRL2

P11-NC

SW-CTRL4

VPLUS

VDD

VLOGIC

VSS

DNP

VDD VPLUS

VSS

VLOGIC

4.7µF 4.7µF

0.1µF0.1µF0.1µF

4.7µF

0.1µF

U13A

U13B

U14A

U14B

DNP

GND

C10

C11

C15

C16

C20

C21

R10

CHEETAH

USBJ1

CS_LATCH

SW-CTRL1

SW-CTRL2

SW-CTRL4

SW-CTRL3

P11-NC

GND2

U12B

U12A

U11B

U13A

U13B

U14A

CS-LATCH

SW-CTRL3

SW-CTRL1

U11A

GND1

U13B

U12B

CS_LATCH

P20-NC

VSS

VDD

VLOGIC

VPLUS

SW-CTRL1

SW-CTRL2

GND

SW-CTRL3

SW-CTRL4

P11-NC

789106

20 19 18 17 16

VSS

= SCOPE PROBE CONNECTION

Intersil USB Dongle Module

Application Note 1382

Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice. Accordingly, the reader is cautioned to

verify that the Application Note or Technical Brief is current before proceeding.

For information regarding Intersil Corporation and its products, see www.intersil.com

March 18, 2008

ISL54302EVAL1Z Bill of Materials

QTY REFERENCE DESIGNATOR DESCRIPTION MANUFACTURER MANUFACTURER PART

1 SEE LABEL-RENAME BOARD PWB-PCB, ISL5430XEVAL1Z, REVA, QFN, ROHS Intersil ISL5430XEVAL1ZREVAPCB

4 C6, C11, C16, C21 CAP, SMD, 0805, 0.1µF, 50V, 10%, X7R, ROHS MURATA GRM40X7R104K050AD

4 C5, C10, C15, C20 CAP, SMD, 0805, 4.7µF, 10V, 10%, X5R, ROHS AVX 0805ZD475KAT2A

8 U11A-U14A, U11B-U14B CONN-BNC, FEMALE, 50Ω, 4 POST VERTICAL

PC MOUNT, NICKEL W/GOLD CONTACT AMPHENOL 31-5329-52RFX

2 GND1, GND2 CONN-MINI TEST PT, VERTICAL, BLK, ROHS KEYSTONE 5001

1 VSS CONN-PLUG, BANA-INSULSDRLESS, BLACK,

4mm, RA DELTRON 571-0100

1 VDD CONN-PLUG, BANA-INSUL-SDRLESS, BLUE,

4mm, ROHS, RA DELTRON 571-0200

1 GND CONN-PLUG, BANA-INSUL-SDRLESS, GREEN,

4mm, ROHS, RA DELTRON 571-0400

1 VLOGIC CONN-PLUG, BANA-INSUL-SDRLESS, RED,

4mm, RA DELTRON 571-0500

1 VPLUS CONN-PLUG, BANA-INSUL-SDRLESS, YELLOW,

4mm, RA DELTRON 571-0700

1 CHEETAH CONN-HEADER, 2x5, BRKAWY2x36,2.54mm,ST BERG/FCI 67996-272

5 CLK-IN, CLK-OUT, DATA-IN,

CS_PULSE, DATA-OUT CONN-HEADER, 1x2, RETENTIVE, 2.54mm, ST,

ROHS BERG/FCI 69190-202HLF

2 J1, USB CONN-DEVICE SKT, 1x12, SIP STRIP-100PINS,

072DIA, ROHS" ADVANCED

INTERCONNECTIONS KSS100-33GG

1 U1 IC-QUAD SPST ANALOG SWITCH, 20P, QFN,

4X4, ROHS INTERSIL ISL54302IRZ

0 R4, R10 RES, SMD, 0805, DNP-PLACE HOLDER, ROHS

4 Four corners SCREW, 4-40x1/2in, PAN, NYLON, PHILLIPS,

ROHS

4 Four corners STANDOFF, 4-40x3/4in, F/F, HEX, NYLON KEYSTONE 1902D

1 Place assy in bag BAG, STATIC, 8x12, ZIP LOC INTERSIL D812(212403-014)

0 INTERRUPT DO NOT POPULATE OR PURCHASE

1 a) Use one long label for RELABELS LABEL, GENERIC

0 b) RELABEL: CLK-IN as S2_CTRL LABEL, GENERIC

0 c) RELABEL: CLK-OUT as

S3_CTRL LABEL, GENERIC

0 d) RELABEL: DATA-IN as S1_CTRL LABEL, GENERIC

0 e) RELABEL: CS_PULSE as

CS_LATCH LABEL, GENERIC

0 f) RELABEL: DATA-OUT as

S4_CTRL LABEL, GENERIC

1 RENAME PCB TO:

ISL54302EVAL1Z LABEL, TO RENAME BRD

1 LABEL, FOR SERIAL NUMBER AND BOM REV #

1 *INSTALL @ TEST PWB-ASSY, ISLUSBCEVAL1Z INTERSIL ISLUSBCEVAL1ZFG

Application Note 1382

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