Flex ROA 128 5068 User Manual
User Guide
ROA 128 5068
POL SIP Evaluation Board
1/28701-ROA 128 5068 Rev A May 2018
© Flex
POL SIP Evaluation Board
ROA 128 5068
User Guide
User Guide
2
ROA 128 5068
POL SIP Evaluation Board
1/28701-ROA 128 5068 Rev A May 2018
© Flex
Contents
1 User Guide ........................................................................................ 3
1.1 Power Up/Down Instructions ............................................................. 3
1.1.1 Power Supply Connection ................................................................. 3
1.2 USB to PMBus connections ............................................................... 4
1.3 Board to board connectors ................................................................ 6
2 Address and vout range resistors ...................................................... 7
2.1 Change of address resistors .............................................................. 8
2.1.1 BMR 462 adjustment of address resistors ......................................... 8
2.1.2 BMR 463/464 adjustment of address resistors .................................. 9
2.2 Change of Vout range resistors ....................................................... 10
2.2.1 BMR 462 adjustment of vout range resistors ................................... 10
2.2.2 BMR 463/464 adjustment of vout range resistors ............................ 11
3 Modification for Parallel Operation ................................................... 12
4 Dimensions ..................................................................................... 13
User Guide
3
ROA 128 5068
POL SIP Evaluation Board
1/28701-ROA 128 5068 Rev A May 2018
© Flex
1 User Guide
1.1 Power Up/Down Instructions
This section of the document describes how to connect power supply for
different cases in order to avoid mistake during measurements.
1.1.1 Power Supply Connection
Connect 5-14V DC power to the “+IN and “-IN”” connectors (see Fig 1.1).
Fig 1.1 Connect 5-14V to either of the “+IN”and “-IN” DC power connectors located in
both ends of the board (see blue rectangles).
Fig 1.2 shows the RC switch in “On” position.
Fig 1.2 the RC switch in “On” position.
SW1
User Guide
4
1 NC
3 NC
5 VI2C
7 CTRL
9 SCL
2 NC
4 NC
6 DGND
8 SALERT
10 SDA
ROA 128 5068
POL SIP Evaluation Board
1/28701-ROA 128 5068 Rev A May 2018
© Flex
1.2 USB to PMBus connections
Fig 1.3a and Fig 1.3b shows the connection of two types of USB-to-PMBus
adapters.
Fig 1.3a Connection of the Flex KEP 910 17 PMBus-to-USB adapter
(connector is found on the back side of the ROA 128 5068 board)
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4
6
8
3
5
7
9
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