SLUU240B January   2006  – March 2022 TPS51120

 

  1.   Trademarks
  2. 1Description
  3. 2Electrical Performance
  4. 3Schematic
  5. 4Test Setup and Results
    1. 4.1 Test Setup
    2. 4.2 Test Procedure
    3. 4.3 Start-Up Performance
    4. 4.4 Transient Performance
  6. 5Configuration
    1. 5.1 Switching Frequency Selection
    2. 5.2 Skip Mode and Faults Disable Selection
    3. 5.3 Output Voltage Setting Selection
    4. 5.4 Control Scheme Selection
  7. 6EVM Assembly Drawing and PCB Layout
  8. 7List of Materials
  9. 8References
  10. 9Revision History

5.4 Control Scheme Selection

The control scheme can be set by the COMPx pin using some resistors and capacitors on the EVM. The default setting is D-CAP mode.

Table 5-5 Control Scheme Selection (CH1)
R12 C9 C11 R14
D-CAP mode Shorted Open Open Open
Current mode(1) Open Put on Put on Put on
(1) When current mode is selected, please add appropriate parts on C9, C11, and R14 and cut the trace between the pads of R12.
Table 5-6 Control Scheme Selection (CH2)
R24 C15 C14 R20
D-CAP mode Shorted Open Open Open
Current mode(1) Open Put on Put on Put on
(1) When current mode is selected, please add appropriate parts on C15, C14, and R20 and cut the trace between the pads of R24.