Usb-Pmbus Adapter; Connection Of Flex Kep 910 17 Usb-Pmbus Adapter; Power-Up And Power-Down Instructions; Power-Up Instruction - Flex BMR474 ROA User Manual

3

USB-PMBus adapter

The USB-PMBus adapter used with this board is the Flex KEP 910 17.
3.1

Connection of Flex KEP 910 17 USB-PMBus adapter

Connect the Flex KEP 910 17 USB-PMBus adapter to the PMBus
header, see position 5 in Figure 1a.
4

Power-up and Power-down Instructions

4.1

Power-up instruction

Before power up, read the following table to make sure the module works in the
best condition.
Note: The default switching frequency (f
output voltage higher than 1.8V, frequency shall be changed, f
be done by using "Flex Power Designer" software tool.
Model
BMR 474 2001
28701-ROA1286016 Rev A
Iout max Switching frequency
0.6V≤ Vo ≤1.8V
Iomax=80A
1.8V < Vo ≤3.3V
Iomax=60A
2021/4/25
) is 500kHz, if the module work with
sw
0.6V≤ Vo ≤1.8V
f
=500kHz
sw
1.8V < Vo ≤3.3V
f
=800kHz
sw
change should
sw
Vin/Vout range
Vin =6-15 V
0.6V≤ Vo ≤2.5V
Vin=7.5-15V
2.5V < Vo ≤3.3V
7 (19)