SLVU047A February   2001  – March 2022 TPS2330 , TPS2331 , TPS5102

 

  1.   Trademarks
  2. 1Introduction
  3. 2InfiniBand Bulk-Power EVM
  4. 3Schematics of the EVM and the Interface
  5. 4Layouts of the EVM and the Interface Card
  6. 5EVM Setup
  7. 6Test Points
  8. 7Revision History

Test Points

Two test points are available on the interface card (SLVP155):

    TP1 VIN1 (input voltage)
    TP5 GND (ground)

On the InfiniBand bulk power EVM, there are total 36 test points:

    TP1 Pin 1 (INV1) of the TPS5102
    TP2 Pin 2 (FB1) of the TPS5102
    TP3 Pin 3 (SOFTSTART1) of the TPS5102
    TP4 Pin 4 (PWM/SKIP) of the TPS5102
    TP5 Pin 5 (CT) of the TPS5102
    TP6 Pin 6 (RT) of the TPS5102
    TP7 Pin 7 (GND) of the TPS5102
    TP8 Pin 8 (REF) of the TPS5102
    TP9 Pin 9 (STBY1) of the TPS5102
    TP10 Pin 10 (STBY2) of the TPS5102
    TP11 Pin 11 (VCC) of the TPS5102
    TP12 Pin 12 (COMP) of the TPS5102
    TP13 Pin 13 (SOFTSTART2) of the TPS5102
    TP14 Pin 14 (FB2) of the TPS5102
    TP15 Pin 15 (INV2) of the TPS5102
    TP16 Pin 16 (LH2) of the TPS5102
    TP17 Pin 17 (OUT2U) of the TPS5102
    TP18 Pin 19 (OUT2D) of the TPS5102
    TP19 Pin 22 (VREF5) of the TPS5102
    TP20 Pin 23 (TRIP2) of the TPS5102
    TP21 Pin 25 (TRIP1) of the TPS5102
    TP22 Pin 27 (OUT1D) of the TPS5102 and gate of Q2 SI4410DY
    TP23 Pin 29 (OUT1U) of the TPS5102
    TP24 Pin 30 (LH1) of the TPS5102
    TP25 Gate of Q3 SI4410DY
    TP26 Gate of Q1 SI4410DY
    TP27 Pin 1 of J1 (channel 1 control feedback)
    TP28 Pin 14 of J1 (channel 2 control feedback)
    TP29 GND
    TP30 Input, pin 1 and 2 of J17
    TP31 GND
    TP32 ENABLE pin of the TPS2331
    TP33 PWRGD pin of the TPS2331
    TP34 VSENSE pin of the TPS2331
    TP35 GND
    TP36 Output of hot-swap stage and input of the DC/DC converter

In addition to all the above listed test points, the header J1 on the InfiniBand bulk power EVM can be used as a test point for VO1 and VO2 or connecting loads.

    Pin 1 of J1 Same as TP27
    Pins 2 and 3 of J1 VO1
    Pins 4 and 5 of J1 GND
    Pins 6 and 7 of J1 Same as TP36
    Pins 8 and 9 of J1 GND
    Pins 10 and 11 of J1 GND
    Pins 12 and 13 of J1 VO2
    Pins 14 of J1 Same as TP28