SLVAF13 November   2020 LM5069 , TPS1663 , TPS2663

 

  1.   Trademarks
  2. 1Introduction
  3. 2Parallel Configuration
  4. 3Design Example
    1. 3.1 Design Requirements
    2. 3.2 Detailed Design Procedure
    3. 3.3 Performance Results
  5. 4Comparison With the Hot-Swap and ORing Controller Solution
  6. 5TPS16630 Parallel Circuit Configuration
  7. 6Conclusion
  8. 7References

Performance Results

Figure 3-1 shows the PCB with four TPS26631 devices.

GUID-20201025-CA0I-HJJT-WMVK-FL0WNXRNBKVX-low.jpg Figure 3-1 Evaluation Board With Four TPS26631 Devices in Parallel
GUID-20201025-CA0I-B6SK-TW3X-Z3MPB69TTGFT-low.pngFigure 3-2 Turn-on Control With SHDN
GUID-20201025-CA0I-MK3G-ZVNX-NWSVXHLBTTXP-low.pngFigure 3-4 IMON Response During Load Current Step From 2 A to 20 A
GUID-20201025-CA0I-PN9X-JRRW-PSLMQ450KRWZ-low.pngFigure 3-6 Overload Performance During Load Current Step From 15 A to 28 A
GUID-20201025-CA0I-SJKL-LVKW-XZPSRHJDRPZQ-low.pngFigure 3-8 Response During Recovery From Overload Fault
GUID-20201025-CA0I-HBSC-DBQK-RLZVVVCHJHH1-low.pngFigure 3-10 Response During Recovery From Output Short-Circuit
GUID-20201025-CA0I-C22R-FJ6K-TL9B4S8QJV8X-low.pngFigure 3-12 Response During Hot-Short at the Output
Figure 3-14 Voltage Interruption Response of Four TPS26630 Devices in Parallel Configuration (POUT = 45 W; COUT = 3 mF)
Figure 3-16 –500-V, 2-Ω Surge Response of Four TPS26631 Devices in Parallel Configuration
GUID-20201025-CA0I-HDG9-GLWD-DTFWB0CBCZPB-low.pngFigure 3-3 Turn-off Control With SHDN
GUID-20201025-CA0I-T3V7-85GB-ZHGBWNXPDN7C-low.pngFigure 3-5 Current Sharing Between Two Devices During Load Current Step from 2 A to 20 A
GUID-20201025-CA0I-M2CZ-SZDD-ZWJSGXBZMN3Z-low.pngFigure 3-7 Current Sharing Between Two Devices During Overload Fault
GUID-20201025-CA0I-SMWM-BDHM-ZL4KMND0DZFM-low.pngFigure 3-9 Response During Start-up With Short on Output
GUID-20201025-CA0I-HNFV-85KW-68HPLH2QXNLN-low.pngFigure 3-11 Current Sharing Between Two Devices During Start-up With Short on Output
Figure 3-13 Mismatch (%) in Steady-State Current Sharing in a Four eFuse Parallel Configuration
Figure 3-15 500-V, 2-Ω Surge Response of Four TPS26631 Devices in Parallel Configuration