Flex 1286016, User Manual, Page: 3 / 20

Test Board User Guide BMR4742001
28701-ROA1286016 Rev A 2021/4/25 3 (20)
Contents
1 Introduction .......................................................................................... 4
1.1 How to contact Flex ............................................................................... 4
1.2 Prerequisites .......................................................................................... 4
2 Reference Board ROA 128 6016 .......................................................... 5
3 USB-PMBus adapter ............................................................................ 7
3.1 Connection of Flex KEP 910 17 USB-PMBus adapter ........................... 7
4 Power-up and Power-down Instructions ............................................ 7
4.1 Power-up instruction .............................................................................. 7
4.2 Power-down instruction .......................................................................... 8
5 Address and VSET Resistor ................................................................ 9
5.1 Adjustment of address resistor ............................................................... 9
5.2 Adjustment of VSET resistors ................................................................ 9
6 Test points ............................................................................................ 9
7 Additional Input/output Capacitance ................................................ 10
8 Electronic loads ................................................................................. 10
9 Schematic ........................................................................................... 11
10 Bill of Materials .................................................................................. 11
11 Layout description ............................................................................. 12
11.1 PCB stack-up summary ....................................................................... 12
11.2 Input capacitance ................................................................................. 14
11.3 Output capacitance .............................................................................. 14
12 Layout top view .................................................................................. 15