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ANSI/VITA 62-2016标准，又称为VITA 62.0-2016，是针对VPX（VMEbus Industry Trade Association 62）架构电源模块设计的一项重要规范。该标准由VITA（VME International Trade Association）发布，旨在为VPX机箱提供一种标准化的电源模块设计方案。VPX是一种高性能、模块化和开放的嵌入式计算平台，广泛应用于军事、航空航天、工业自动化等领域。 VITA 62.0-2016标准的核心目标是确保电源模块能够在VPX系统中兼容并高效工作。它定义了电源模块的尺寸、电气接口、热管理、机械接口以及电磁兼容性（EMC）等方面的要求，以保证模块在各种环境条件下都能稳定供应电力。标准中提到的模块应符合VITA 48.0标准中定义的VPX模块外形尺寸，这确保了模块与机箱之间的互换性和一致性。电源模块在VPX系统中的作用至关重要，因为它们不仅要为系统的各个组件提供稳定的电力，还需要具备高效率和低能耗，同时能承受恶劣环境条件，如高温、振动和冲击。VITA 62.0-2016标准通过规定模块的功率等级、输入/输出电压范围、保护功能等，确保了模块的可靠性和安全性。标准的制定过程遵循了美国国家标准化组织（ANSI）的共识原则，意味着在标准开发过程中，所有直接影响的利益相关方都已达成实质性的协议，但并不一定要求完全一致。这一原则保证了标准的公平性和广泛接受性。在实际应用中，尽管遵循VITA 62.0-2016标准是自愿的，但其存在为制造商、供应商和用户提供了统一的设计和评估框架，降低了互操作性问题，提升了整体系统的性能和可靠性。当遇到标准解读的问题时，应向标准的秘书处或赞助机构寻求帮助，而不是由ANSI直接给出解释。 VITA 62.0-2016标准对于VPX系统的电源设计具有指导意义，它促进了模块化电源解决方案的标准化，从而推动了整个VPX生态系统的健康发展。理解和应用这一标准对于涉及VPX平台设计和实施的工程师和技术人员来说是至关重要的。

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ANSI/VITA 62-2016 VITA

info@vita.com

Approved ANSI Standard

ANSI/VITA 62-2016

Modular Power Supply Standard

Abstract

This standard provides requirements for building a power supply module that can be used to

power a VPX chassis. The module will fit within the standard envelope defined for VPX modules

in the VITA 48.0 standards.

Approved: August 24, 2016

American National Standards Institute, Inc.

Secretariat: VITA

ANSI/VITA 62-2016 VITA

info@vita.com

Notices

AMERICAN NATIONAL STANDARD

Approval of an American National Standard requires verification by ANSI that the requirements

for due process, consensus, and other criteria for approval have been met by the standards

developer.

Consensus is established when, in the judgment of the ANSI Board of Standards Review,

substantial agreement has been reached by directly and materially affected interests.

Substantial agreement means much more than a simple majority, but not necessarily unanimity.

Consensus requires that all views and objections be considered, and that a concerted effort be

made toward their resolution.

The use of American National Standards is completely voluntary; their existence does not in

any respect preclude anyone, whether he has approved the standards or not, from

manufacturing, marketing, purchasing, or using products, processes, or procedures not

conforming to the standards.

The American National Standards Institute does not develop standards and will in no

circumstances give an interpretation of any American National Standard. Moreover, no person

shall have the right or authority to issue an interpretation of an American National Standard in

the name of the American National Standard Institute. Requests for interpretations should be

addressed to the secretariat or sponsor whose name appears on the title page of this standard.

CAUTION NOTICE: This American National Standard may be revised or withdrawn at any time.

The procedures of the American National Standards Institute require that action be taken

periodically to reaffirm, revise, or withdraw this standard. Purchases of American National

Standards may receive current information on all standard by calling or writing the American

National Standards Institute.

NOTE: The user’s attention is called to the possibility that compliance with this standard may

require use of an invention covered by patent rights.

By publication of this standard, no position is taken with respect to the validity of this claim or of

any patent rights in connection therewith. The patent holder has, however, filed a statement of

willingness to grant a license under these rights on reasonable and nondiscriminatory terms and

conditions to applicants desiring to obtain such a license. Details may be obtained from the

standards developer.

Published by: VITA

Except for employees of VITA member companies, no part of this publication may be

reproduced in any form, in an electronic retrieval system or otherwise, without prior written

permission of the publisher.

Printed in the United States of America - R1, ISBN 1-885731-91-4.

 
ANSI/VITA 62-2016  Page i of v 
Copyright © VITA 2016. All Rights Reserved. 
Table of Contents 
 Introduction .........................................................................................................................................................2 
1  Compatibility with Other VITA Standards ........................................................................................................2 
1.1  Relationship to [VITA 46.0] and [VITA 65] ...............................................................................................2 
1.2  Relationship to [VITA 48.0] and [VITA 47] ...............................................................................................2 
2  VITA 62 Power Subsystem and Module Types .................................................................................................3 
3  Scope of This Standard .....................................................................................................................................5 
4  Terminology .....................................................................................................................................................5 
4.1  Specification Key Words ..........................................................................................................................5 
4.2  Definitions ...............................................................................................................................................6 
4.3  Other Terminology ..................................................................................................................................8 
5  References ........................................................................................................................................................8 
5.1  VITA Standards ........................................................................................................................................8 
5.2  Other Standards ......................................................................................................................................9 
6  Order of Precedence ......................................................................................................................................10 
 VITA 62 Compliance ...........................................................................................................................................11 
 System ................................................................................................................................................................12 
1  Power .............................................................................................................................................................12 
2  Environmental ................................................................................................................................................12 
2.1  Power and Electromagnetic Compatibility (EMC) .................................................................................12 
2.2  Environment ..........................................................................................................................................13 
3  Management ..................................................................................................................................................13 
 Common Requirements .....................................................................................................................................14 
1  Overview ........................................................................................................................................................14 
1.1  Alternate cooling technologies and module pitches..............................................................................14 
2  Module and Backplane Connectors ...............................................................................................................15 
3  Alignment and Keying ....................................................................................................................................16 
3.1  3U Slot Keying........................................................................................................................................17 
3.2  6U Slot Keying........................................................................................................................................19 
4  Two Level Maintenance (Optional) ................................................................................................................21 
5  Energy Storage Modules (Optional) ...............................................................................................................21 
6  Signal Definition .............................................................................................................................................22 
6.1  Final Power Outputs ..............................................................................................................................22 
6.2  Intermediate Power ...............................................................................................................................27 
6.3  Signals ...................................................................................................................................................28 
7  Grounding ......................................................................................................................................................34 
 3U PSU Module ..................................................................................................................................................35 
1  Overview ........................................................................................................................................................35 
2  Connector .......................................................................................................................................................35 
3  Alignment and Keying ....................................................................................................................................35 
4  Connector Pin Definition ................................................................................................................................36 
5  Signal Definition .............................................................................................................................................37 
5.1  Input Power ...........................................................................................................................................37 
 6U PSU Module ..................................................................................................................................................38 
1  Overview ........................................................................................................................................................38 
2  Connector .......................................................................................................................................................38 

 
ANSI/VITA 62-2016  Page ii of v 
Copyright © VITA 2016. All Rights Reserved. 
6.3  Alignment and Keying ....................................................................................................................................38 
6.4  Connector Pin Definition ................................................................................................................................39 
6.5  Signal Definition .............................................................................................................................................41 
6.5.1  Input Power ...........................................................................................................................................41 
6.5.2  Filtered Out ............................................................................................................................................42 
7.  Backplane ...........................................................................................................................................................43 
7.1  3U Backplane ..................................................................................................................................................43 
7.2  6U Backplane ..................................................................................................................................................43 
8.  Validation ...........................................................................................................................................................44 
Appendix A  – Plug-In Module Assembly Drawings .............................................................................................45 
Appendix B  – Backplane Printed Circuit Board Fabrication ...............................................................................58 
Appendix C  – Plug-In Module Printed Circuit Board Fabrication Drawings .......................................................63 
Appendix D  – Connector Interface Drawings .....................................................................................................67 
Appendix E  – T Rise Test Boards and Methods for VITA 62 Power Supply Connector (3U)...............................82 
Appendix F  – VITA 62 connector suppliers ........................................................................................................87 
Appendix G  – Acknowledgements ......................................................................................................................88 
G.1  Working Group Members ..............................................................................................................................88 
G.2  ANSI Ballot Group ...........................................................................................................................................89 
 

 
ANSI/VITA 62-2016  Page iii of v 
Copyright © VITA 2016. All Rights Reserved. 
List of Figures 
Figure 1.2-1 Single-Stage Power Subsystem ..................................................................................................................4 
Figure 1.2-2 Two-Stage Power Subsystem ....................................................................................................................4 
Figure 4.3-1 Connector Alignment Keys ......................................................................................................................16 
Figure A-1 3U Convection Cooled Module Layout .......................................................................................................46 
Figure A-2 3U Conduction Cooled Module Layout ......................................................................................................47 
Figure A-3 3U Conduction Cooled Module Layout Secondary Side Retainers .............................................................48 
Figure A-4 6U Convection Cooled Module Layout .......................................................................................................49 
Figure A-5 6U Conduction Cooled Module Layout ......................................................................................................50 
Figure A-6 6U Conduction Cooled Module Layout Secondary Side Retainers .............................................................51 
Figure A-7 3U Conduction Cooled Module End View ..................................................................................................52 
Figure A-8 6U Conduction Cooled Module End View ..................................................................................................53 
Figure A-9 3U Chassis Side Wall View ..........................................................................................................................54 
Figure A-10 6U Chassis Side Wall View ........................................................................................................................55 
Figure A-11 3U Chassis Side Wall View, Secondary Side Wedgelocks .........................................................................56 
Figure A-12 6U Chassis Side Wall View, Secondary Side Wedgelocks .........................................................................57 
Figure B-1 3U Air Cooled Backplane, Plan View ..........................................................................................................59 
Figure B-2 6U Air Cooled Backplane, Plan View ..........................................................................................................60 
Figure B-3 3U Conduction Cooled Backplane, Plan View ............................................................................................61 
Figure B-4 6U Conduction Cooled Backplane, Plan View ............................................................................................62 
Figure C-1 3U PCB Fabrication Drawing (viewed from primary side) ..........................................................................63 
Figure C-2 6U PCB Fabrication Drawing (viewed from primary side) ..........................................................................64 
Figure C-3 3U PCB Fabrication Drawing, Alternate Layout (viewed from primary side) .............................................65 
Figure C-4 6U PCB Fabrication Drawing, Alternate Layout (viewed from primary side) .............................................66 
Figure D-1 3U J0 Connector .........................................................................................................................................68 
Figure D-2 3U J0 PCB Footprint ...................................................................................................................................69 
Figure D-3 3U P0 Connector ........................................................................................................................................70 
Figure D-4  3U P0 PCB Footprint ..................................................................................................................................71 
Figure D-5  6U J0 Connector ........................................................................................................................................72 
Figure D-6  6U J0 PCB Footprint ...................................................................................................................................73 
Figure D-7  6U P0 Connector .......................................................................................................................................74 
Figure D-8  6U P0 PCB Footprint ..................................................................................................................................75 
Figure D-9  6U J1 Connector ........................................................................................................................................76 
Figure D-10  6U J1 PCB Footprint.................................................................................................................................77 