Microchip Technology HV2903 Bedienungsanleitung

2017 Microchip Technology Inc. DS50002582A

HV2903

Analog Switch

Evaluation Board

User’s Guide

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DS50002582A-page 2 2017 Microchip Technology Inc.

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ISBN: 978-1-5224-2444-4

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HV2903

ANALOG SWITCH

EVALUATION BOARD

2017 Microchip Technology Inc. DS50002582A-page 3

Table of Contents

Preface ........................................................................................................................... 6

Introduction............................................................................................................ 6

Document Layout .................................................................................................. 6

Conventions Used in this Guide ............................................................................ 7

Warranty Registration............................................................................................ 7

Recommended Reading........................................................................................ 8

The Microchip Web Site ........................................................................................ 8

Customer Support ................................................................................................. 8

Document Revision History ................................................................................... 8

Chapter 1. Product Overview

1.1 Introduction ..................................................................................................... 9

1.2 HV2903 IC - Description ................................................................................. 9

1.3 HV2903 Analog Switch Evaluation Board - Features ..................................... 9

1.4 HV2903 Analog Switch Evaluation Board - Functional Description ............... 9

1.5 HV2903 Analog Switch Evaluation Board Technical Kit ............................... 11

1.6 What the HV2903 Analog Switch Evaluation Board Kit Includes ................. 12

Chapter 2. Installation and Operation

2.1 Getting Started ............................................................................................. 13

2.2 HV MUX GUI Installation............................................................................... 13

2.3 Setup Procedure .......................................................................................... 16

2.4 Interface Connections .................................................................................. 18

2.5 Testing the HV2903 Analog Switch Evaluation Board ................................. 19

2.6 HV MUX Controller Board and GUI Manual ................................................. 19

2.7 Generation of Pulser Output at SW8A of HV2903 ....................................... 22

Chapter 3. PCB Design and Layout Notes

3.1 PCB Layout Techniques for HV2903 ........................................................... 25

Appendix A. Schematic & Layouts

A.1 Introduction .................................................................................................. 26

A.2 ADM00795 - Schematic ............................................................................... 27

A.3 ADM00795 - Top Silk ................................................................................... 28

A.4 ADM00795 - Top Copper and Silk ............................................................... 28

A.5 ADM00795 - Top Copper ............................................................................. 29

A.6 ADM00795 - Inner 1 ..................................................................................... 29

A.7 ADM00795 - Inner 2 ..................................................................................... 30

A.8 ADM00795 - Inner 3 ..................................................................................... 30

A.9 ADM00795 - Bottom Copper ........................................................................ 31

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2017 Microchip Technology Inc. DS50002582A-page 4

A.10 ADM00795 - Bottom Copper and Silk ........................................................ 31

A.11 ADM00795 - Bottom Silk ............................................................................ 32

A.12 ADM00825 - Schematic (Connection) ....................................................... 33

A.13 ADM00825 - Schematic (Power Supply) ................................................... 34

A.14 ADM00825 - Schematic (USB to SPI) ....................................................... 35

A.15 ADM00825 - Schematic (Programmable Clock) ........................................ 36

A.16 ADM00825 - Schematic (FPGA) ................................................................ 37

A.17 ADM00825 - Schematic (FPGA Decoupling Capacitors) ........................... 38

A.18 ADM00825 - Schematic (Connectors) ....................................................... 39

A.19 ADM00825 - Top Silk ................................................................................. 40

A.20 ADM00825 - Top Copper and Silk ............................................................. 40

A.21 ADM00825 - Top Copper ........................................................................... 41

A.22 ADM00825 - Inner 1 ................................................................................... 41

A.23 ADM00825 - Inner 2 ................................................................................... 42

A.24 ADM00825 - Inner 3 ................................................................................... 42

A.25 ADM00825 - Inner 4 ................................................................................... 43

A.26 ADM00825 - Bottom Copper ...................................................................... 43

A.27 ADM00825 - Bottom Copper and Silk ........................................................ 44

A.28 ADM00825 - Bottom Silk ............................................................................ 44

Appendix B. Bill of Materials

B.1 HV2903 Analog Switch Evaluation Board .................................................... 45

B.2 HV MUX Controller Board.............................................................................. 46

Appendix C. Demo Board Waveforms

C.1 Board Typical Waveforms ............................................................................ 51

Worldwide Sales and Service .................................................................................... 52

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HV2903

ANALOG SWITCH

EVALUATION BOARD

USER’S GUIDE

2017 Microchip Technology Inc. DS50002582A-page 5

Preface

INTRODUCTION

This chapter contains general information that will be useful to know before using the

HV2903 Analog Switch Evaluation Board. Items discussed in this chapter include:

•Document Layout

•Conventions Used in this Guide

•Recommended Reading

•The Microchip Web Site

•Customer Support

•Document Revision History

DOCUMENT LAYOUT

This document describes how to use the HV2903 Analog Switch Evaluation Board as

a development tool to evaluate the HV2903 No High-Voltage Bias, Low Harmonic

Distortion, 32-Channel, High-Voltage Analog Switch IC. The user’s guide layout is as

follows:

•Chapter 1. “Product Overview” – Important information about the HV2903 Ana-

log Switch Evaluation Board.

•Chapter 2. “Installation and Operation” – This chapter includes a detailed

description of each function of the demonstration board and instructions for how to

begin using the HV2903 Analog Switch Evaluation Board.

•Chapter 3. “PCB Design and Layout Notes” – This chapter explains important

points of the PCB design and layout of HV2903 Analog Switch Evaluation Board.

•Appendix A. “Schematic & Layouts” – Shows the schematic and PCB layout

diagrams for the HV2903 Analog Switch Evaluation Board and the HV MUX

Controller Board.

•Appendix B. “Bill of Materials” – Lists the parts used to build the HV2903 Ana-

log Switch Evaluation Board and the HV MUX Controller Board.

•Appendix C. “Demo Board Waveforms” – Describes the various demo wave-

forms for the HV2903 Analog Switch Evaluation Board.

NOTICE TO CUSTOMERS

All documentation becomes dated, and this manual is no exception. Microchip tools and

documentation are constantly evolving to meet customer needs, so some actual dialogs

and/or tool descriptions may differ from those in this document. Please refer to our web site

(www.microchip.com) to obtain the latest documentation available.

Documents are identified with a “DS” number. This number is located on the bottom of each

page, in front of the page number. The numbering convention for the DS number is

“DSXXXXXA”, where “XXXXX” is the document number and “A” is the revision level of the

document.

For the most up-to-date information on development tools, see the www.microchip.com on

line help. Select the Help menu, and then Topics to open a list of available online help files.

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Preface

2017 Microchip Technology Inc. DS50002582A-page 6

CONVENTIONS USED IN THIS GUIDE

This manual uses the following documentation conventions:

DOCUMENTATION CONVENTIONS

Description Represents Examples

Arial font:

Italic characters Referenced books MPLAB®IDE User’s Guide

Emphasized text ...is the only compiler...

Initial caps A window the Output window

A dialog the Settings dialog

A menu selection select Enable Programmer

Quotes A field name in a window or

dialog

“Save project before build”

Underlined, italic text with

right angle bracket

A menu path File>Save

Bold characters A dialog button Click OK

A tab Click the Power tab

N‘Rnnnn A number in verilog format,

where N is the total number of

digits, R is the radix and n is a

digit.

4‘b0010, 2‘hF1

Text in angle brackets < > A key on the keyboard Press <Enter>, <F1>

Courier New font:

Plain Courier New Sample source code #define START

Filenames autoexec.bat

File paths c:\mcc18\h

Keywords _asm, _endasm, static

Command-line options -Opa+, -Opa-

Bit values 0, 1

Constants 0xFF, ‘A’

Italic Courier New A variable argument file.o, where file can be

any valid filename

Square brackets [ ] Optional arguments mcc18 [options] file

[options]

Curly brackets and pipe

character: { | }

Choice of mutually exclusive

arguments; an OR selection

errorlevel {0|1}

Ellipses... Replaces repeated text var_name [,

var_name...]

Represents code supplied by

user

void main (void)

{ ...

}

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HV2903 Analog Switch Evaluation Board User’s Guide

DS50002582A-page 7 2017 Microchip Technology Inc.

RECOMMENDED READING

This user’s guide describes how to use the HV2903 Analog Switch Evaluation Board.

Another useful document is listed below. The following Microchip document is available

and recommended as a supplemental reference resource.

• HV2903 Data Sheet – “HV2803/HV2903/HV2904 - No High-Voltage Bias, Low

Harmonic Distortion, 32-Channel, High-Voltage Analog Switch.

THE MICROCHIP WEB SITE

Microchip provides online support via our web site at www.microchip.com. This web

site is used as a means to make files and information easily available to customers.

The web site contains the following information:

•Product Support – Data sheets and errata, application notes and sample

programs, design resources, user’s guides and hardware support documents,

latest software releases and archived software

•General Technical Support – Frequently Asked Questions (FAQs), technical

support requests, online discussion groups, Microchip consultant program

member listing

•Business of Microchip – Product selector and ordering guides, latest Microchip

press releases, listing of seminars and events, listings of Microchip sales offices,

distributors and factory representatives

CUSTOMER SUPPORT

Users of Microchip products can receive assistance through several channels:

• Distributor or Representative

• Local Sales Office

• Field Application Engineer (FAE)

• Technical Support

Customers should contact their distributor, representative or field application engineer

(FAE) for support. Local sales offices are also available to help customers. A listing of

sales offices and locations is included in the back of this document.

Technical support is available through the web site at: http://support.microchip.com.

DOCUMENT REVISION HISTORY

Revision A (December 2017)

• Initial Release of this Document.

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HV2903

ANALOG SWITCH

EVALUATION BOARD

USER’S GUIDE

2017 Microchip Technology Inc. DS50002582A-page 8

Chapter 1. Product Overview

1.1 INTRODUCTION

HV2903 Analog Switch Evaluation Board (ADM00795) works with HV MUX Controller

Board (ADM00825) to provide 32-Channel HV Analog Switches without HV Supplies,

demonstration including basic switch ON/OFF operation, and 2:1 MUX operation with

two built-in MD1822 and TC6320 pulser circuit.

1.2 HV2903 IC - DESCRIPTION

The HV2903 is 32-Channel HV Analog Switches without HV Supplies. It is designed for

use in applications requiring high-voltage switching controlled by low-voltage control

signals, such as medical ultrasound imaging, driving piezoelectric transducers and in

printers. The typical 10Ωon resistance analog switch can pass the analog pulse signal

up to ±3A of current at ±100V without high-voltage supplies such as ±100V. It requires

only ±6V or ±5V for switch ON/OFF operation and 3.3V for logic operation.

The HV2903 has two modes of operation: individual switching mode and bank switch-

ing mode. The user can select the mode by MODE pin logic input. The 32 analog

switches can be controlled individually through digital interface when MODE input is

high (Individual switching mode). The digital interface clock operates up to 66 MHz. All

16 even switches and all 16 odd switches can be controlled together through simple 2

logic inputs when MODE input is low (bank switching mode).

The HV2903 has standby mode to decrease power consumption at idle state. When

STBY logic input is low, it operates in standby mode and consumes very low current.

When STBY logic input is high, it operates normally.

1.3 HV2903 ANALOG SWITCH EVALUATION BOARD - FEATURES

• One HV2903 32-Channel HV Analog Switches without HV Supplies

• Designed to work with Microchip HV MUX Controller Board

• Two 2:1MUX with built-in MD1822 + TC6320 pulsers

• 5 MHz 3 level voltage pulse waveform outputs

• On-board 330 pF//2.5 kΩdummy load per SW8A, SW9A, SW24A, SW25A

• Mode selection and Switch ON/OFF control through PC GUI and controller board

• Pulser ON/OFF and time domain control through PC GUI and controller board

1.4 HV2903 ANALOG SWITCH EVALUATION BOARD - FUNCTIONAL

DESCRIPTION

The HV2903 Analog Switch Evaluation Board can control the HV2903 operation and

built-in pulsers that are connected to two 2:1 MUX switches for demonstration. Four

switch output of two 2:1 MUX have SMA connectors, and the user can connect four

transducer elements. The other side of the 2:1 MUX is connected to two built-in

MD1822 + TC6320 pulsers. The HV2903 Analog Switch Evaluation Board can drive

four transducer elements with 5 MHz ±100V pulse signals.

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HV2903 Analog Switch Evaluation Board User’s Guide

DS50002582A-page 9 2017 Microchip Technology Inc.

The evaluation board features one HV2903/AHA 12x12x1.2 mm 132-lead TFBGA

packaged integrated circuit, two MD1822K6-G 3x3x1 mm 16-lead QFN packaged inte-

grated circuits and four TC6320K6-G 4x4x1 mm 8-lead DFN packaged NMOS and

PMOS pair integrated circuits.

The board uses two high-speed 20 signal pair carrying capable right-angle backplane

connector, which is designed to work with Microchip HV MUX Controller Board

(ADM00825) as a control signal source.

The HV MUX Controller Board has an FPGA that generates pulser waveform and

logic control signals and a USB-bridge IC that connects the control board to a PC. By

means of a Microsoft Windows®driver and GUI, the user can control the HV2903 and

two built-in pulsers.

Four switch terminals consisting two MUX configuration on the PCB have SMA

connectors to which user can connect loads. Jumpers close to SMA connectors are

for connecting the on-board dummy R-C load (330 pF//2.5 KΩ) optionally to the pulser

output.

WARNING

Risk warning of electrical shock. This board uses multiple hazardous high

voltages. Disconnect all high voltage supplies before working on it. Electrical

safety precautions must be taken when working on or using this board.

2017 Microchip Technology Inc. DS50002582A-page 10

1.5 HV2903 ANALOG SWITCH EVALUATION BOARD TECHNICAL KIT

FIGURE 1-1: HV2903 Analog Switch Evaluation Board Simplified Block Diagram.

Parameter Value

HV2903 Modes of Operation Individual Switching, Bank Switching and Standby

modes

Pulser frequency 5 MHz

Number of pulses in the train 1 to 90

TOFF time between pulse trains 5 to 30 msec

Pulse Peak Voltage & Current 0 to ±100V and ±3A typical

Interface of FPGA Control Signals & USB PC-GUI Software J1 and J2 Connects to ADM00825 Controller Interface

Board

Pulser R-C Test-Load & User’s Transducer Interface Built-in, 330 pF//2.5 Kper Channel with jumper and

50SMA

PCB Board Dimension 115x110 mm (4.5x4.3 in.)

HV2903

CH1 Pulser

MD1822 + TC6320

SW9A

SW25A

SWA

SW24A

330pF 2.5kȖ

SW9B

330pF 2.5kȖ

SW8B

330pF 2.5kȖ

SW24B

330pF 2.5kȖ

SW25B

CH2 Pulser

MD1822 + TC6320

FPGA

GUI

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