Flex KEP 91017 User Manual Download Page 9

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The addition of external pull-up resistors between the data/clock lines and the
nominal PMBus/I2C voltage is shown in the figure below.

KEP 91017

USB-PMBus Adapter

28701-

KEP 91017

August

2018

Flex

User Guide

KEP 91017

USB-PMBus Adapter

28701-

KEP 91017

Rev. A

August

2018

Flex

User Guide

Summary of Contents for KEP 91017

Page 1: ...USB PMBus Adapter KEP 91017 User Guide KEP 91017 USB PMBus Adapter 28701 KEP 91017 August 2018 Flex User Guide KEP 91017 USB PMBus Adapter 28701 KEP 91017 Rev A August 2018 Flex User Guide...

Page 2: ...all 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 Internat...

Page 3: ...nd software requirements 7 3 Connecting the USB PMBus adapter 7 4 Electrical specification 8 5 Mechanical information 10 6 Step by step instructions for operation and troubleshooting 10 KEP 91017 USB...

Page 4: ...ral purpose inputs outputs GPIOs The bridge converts communication transactions between the USB and PMBus 1 1 How to contact Flex For general questions or interest in our products please contact your...

Page 5: ...ency energy and has not been tested for compliance with the limits of computing devices pursuant to subpart J of part 15 of FCC rules which are designed to provide reasonable protection against radio...

Page 6: ...ure you have received all parts shown below USB PMBus adapter 10 ribbon cable with connectors on both ends Standard type A to type B 5pin USB cable KEP 91017 USB PMBus Adapter 28701 KEP 91017 August 2...

Page 7: ...ware environment is required Windows Installer 3 1 or later 3 Connecting the USB PMBus adapter In the figure below it is shown how to connect the USB PMbus adapter to for example Flex s POL design boa...

Page 8: ...4 Electrical specification KEP 91017 USB PMBus Adapter 28701 KEP 91017 August 2018 Flex User Guide 8 KEP 91017 USB PMBus Adapter 28701 KEP 91017 Rev A August 2018 Flex User Guide 8...

Page 9: ...etween the data clock lines and the nominal PMBus I2C voltage is shown in the figure below KEP 91017 USB PMBus Adapter 28701 KEP 91017 August 2018 Flex User Guide 9 KEP 91017 USB PMBus Adapter 28701 K...

Page 10: ...Bus adapter and wait for the green LED to illuminate Troubleshooting If the green LED does not illuminate after 30 s check to ensure the USB cable is securely connected If the connection is secure try...

Page 11: ...leshooting If the design board cannot talk with the USB PMBus adapter first check to ensure the 10 pin ribbon cable has been securely connected If the ribbon cable has been securely connected check th...