Power Management; Board Power And Switch - Xilinx SP623 User Manual

Chapter 1: SP623 Board Features and Operation

Power Management

Numbers 1a through 1i refer to the callouts in
1a: Main power switch (SW1)
1b: 12V mini-fit connector (J122)
1c: 12V ATX connector (J141)
1d: Power regulation jumpers (J30, J31, J33, J102, J104, J105)
1e: Regulation inhibit (J14, J19)
1f: External power supply jacks (J5, J98, J173, J174, J175, J177, J178, J189, J220, J223, J227,
1g: TI PMBus cable connector (J6)
1h: GTP power supply module
1i: MGTAVCCPLL isolation jumper (J3)

Board Power and Switch

The SP623 board is powered through J122 using the 12V AC adapter included with the
board. J122 is a 6-pin (2 x 3) right angle Mini-Fit type connector.
Power can also be provided through:
•
•
The SP623 board power is turned on or off by switch SW1. When the switch is in the ON
position, power is applied to the board and a green LED (DS36) illuminates.
10
J234)
Connector J141 which accepts an ATX hard disk 4-pin power plug
Jack J234 which can be used to connect to a bench-top power supply
Caution!
Do NOT plug a PC ATX power supply 6-pin connector into J122 on the SP623 board.
The ATX 6-pin connector has a different pinout than J122. Connecting an ATX 6-pin connector
into J122 will damage the SP623 board and void the board warranty.
Caution!
Do NOT apply power to J122 and connectors J141 and/or J234 at the same time.
Doing so will damage the SP623 board.
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Figure 1-2:
SP623 Board User Guide
UG751 (v1.0) May 22, 2010