Reference Board BMR 481 P1E+
287 01-ROA 170 014 Rev A 2018-10-16
8 (12)
4
Board Supplies
Above input voltage VIN, supplies according to the Table 1 are used at the test
board. By jumper connectors J11 and J12 (position 15 in Figure 1a) the supplies
can be interconnected.
Supply Description
May be
jumped to
Supply
connector
VCC
Secondary side control supply for
MAIN and SATELLITEs
VDD
1
,
VCTRL
J2 (position 8)
VDD
Primary side control supply for MAIN
and SATELLITEs
VCC
1
VCTRL Supply for controller in MAIN
VCC
1
VLED
Supply of LEDs on test board
VCTRL
1
VL
Optional supply for electronic loads
VLED
VI2C
Supply (3.3V) provided by PMBus-to-
USB adaptor
VLED
J1 (position 6)
Table 1 Summary of supplies.
1
This is the pre-configured jumper setting for ROA 170 014/3 P4A and ROA 170 014/4
P4A.
Note: If PMBus-to-USB adaptor (KEP 910 17) is connected to J1, VLED must not
be jumped to VI2C and VCTRL at the same time (because then VCTRL will
connect with VI2C supplied from adaptor).
