Flex BMR463 Manuale utente

Evaluation Board User Guide

ROA 128 5077

User Guide for paralleling BMR463, BMR463

Evaluation Board User Guide – ROA 128 5077

2022-05-17

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Contents

1Introduction.......................................................................................3

1.1 How to contact Flex Power Modules ................................................. 3

2User Guide.........................................................................................3

2.1 Power up/down instructions................................................................. 3

2.2 Power supply connections ................................................................... 3

3Address and v out range resistors ...................................................6

3.1 Change of address resistors ................................................................. 7

3.2 BMR463/464 adjustment of address resistors .................................... 7

4Dimensions ........................................................................................8

5Revision .............................................................................................9

Evaluation Board User Guide – ROA 128 5077

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1Introduction

This User Guide provides a brief introduction and instruction on how to use

the Reference Board ROA 128 5077 for paralleling of BMR463 and BMR464.

How to contact Flex Power Modules

For general questions or interest in our products, please contact your local

sales representative. Contact details are found on our our website:

Flexpowermodules.com

2User Guide

Power up/down instructions

This section of the document describes how to connect correctly power

supply for different cases to avoid mistake during measurements.

Power supply connections

Add 5-14 V DC power to the “Vin” and “Gnd” connectors (see Fig 1).

Fig 1: Connect 5-14 V either to the Vin or Gnd DC power connectors located in both ends of the board

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Figure 2 shows the RC switch in “On” position.

Figure 2: RC switch in ‘On’ position

Figures 3 & 4 show the connection of two types of USB-to-PMBus adapters.

Figure 3: Connection o FPM KEP91017 PMBus to USB adapter

SW 1

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Figure 4: Connection of the Intersil ZLUSBREF02 PMBus to USB adapter

Power-up instructions:

•Mount the BMRs in desired positions

•Turn the RC switch in ‘Off’ position

•Connect and turn on 5-14 V supply

•Connect the PMBus adapter/cable to the board

•Start the necessary software program in order to perform re-

configuration required to operate the modules in parallel

•After re-configuration of modules, cycle the 5-14 V supply

•Turn the RC switch in ‘On’ position

If the modules are now starting up properly, the Power Good LED of each

module should give green light.

Note: If any of the PMBus interfaces are connected to the board the LEDs

will light continuously in positions where no modules are mounted.

Power-down instruction:

•Turn RC switch in ‘Off’ position or turn Off the 5-14V Supply

•Now the BMR modules can be removed/replaced

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3Address and v out range resistors

This section describes the locations of the Address and Vout range pin

strap resistors. To know what resistor value to mount, please look in the

actual Technical Specification of the BMR product found on our website.

Fig 5 shows the positions of the address and Vout range resistors, they are

found at the bottom side of the board.

Figure 5: Positions of the address and Vout range resistors

Evaluation Board User Guide – ROA 128 5077

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Change of address resistors

BMR463/464 adjustment of address resistors

To change the address in a position, change the resistors as shown in figure

6. See table below for each position of resistors.

Figure 6: Address resistors in position for BMR463/464

PoL position Address

resistors

Vout range

resistors

1/ 0x58

R10, R11

R12

2/ 0x59

R13, R15

R14

3/ 0x5A

R16, R18

R17

4/ 0x5C

R19, R21

R20

5/ 0x5C

R22, R24

R23

6/ 0x5D

R25, R25

R26

7/ 0x5E

R28, R30

R29

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4Dimensions

The outer dimensions (in mm) of the test board are shown in the picture

below.

The whole test board has the outer dimensions 150 x 160 x 56.5 mm (L x W x

H). Weight of the complete test board is 370 g.

Evaluation Board User Guide – ROA 128 5077

2022-05-17

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5Revision

Rev

Date

Revisor

Changes

2012-02-08

New document

2022-05-11

Kartwaer

New Flex format

Disclaimer

No part of this document may be reproduced in any form without the

written permission of the copyright owner.

The contents of this document are subject to revision without notice due to

continued progress in methodology, design and manufacturing. Flex shall

have no liability for any error or damage of any kind resulting from the use

of this document.

Trademarks

All trademarks are properties of their owners.

Flex is the trademark of Flextronics International.

PMBus™ is a trademark of SMIF, Inc.

Windows® and Microsoft® are the trademarks of Microsoft Corporation in

the United States or other countries.

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