SLDU028A January   2018  – March 2020

 

  1.   TPS65313-EVM User’s Guide
    1.     Trademarks
    2. 1  TPS65313-EVM Top View With Basic External Connections
    3. 2  TPS65313-EVM Input, Output Voltages, and Load Current Requirements
    4. 3  TPS65313-EVM Jumper Settings
    5. 4  TPS65313-EVM GUI Installing and Opening the GUI
    6. 5  TPS65313-EVM Power-Up and Power-Down Procedure
    7. 6  TPS65313 GUI
      1. 6.1 Device Controls Page
        1. 6.1.1 Re-Initialize USB2ANY Button
        2. 6.1.2 WAKE Button
        3. 6.1.3 Power Off Button
        4. 6.1.4 Device Status Update
        5. 6.1.5 State Transitions
        6. 6.1.6 Enable Q&A Watchdog
        7. 6.1.7 MCU Error Signal Monitor (ESM)
        8. 6.1.8 SPI Status Bits
        9. 6.1.9 Moniter ENDRV and NRES Button
      2. 6.2 Register Map Page
      3. 6.3 EEPROM Programming Page
    8. 7  TPS65313-EVM Typical Plots
      1. 7.1 Efficiency Plots
      2. 7.2 Power-Up Plots
      3. 7.3 Power-Down Plots
      4. 7.4 Ripple Voltage Plots
      5. 7.5 Load Transient Plots
      6. 7.6 Stability Measurements
    9. 8  TPS65313-EVM Schematic Diagram
    10. 9  TPS65313-EVM Part List
    11. 10 PCB Layer Diagram
    12. 11 Description of the Watchdog Algorithm Implemented on EVM
  2.   Revision History

7.6 Stability Measurements

tps65313Q1e1_buck1_gain_phase_plot.gifFigure 30. BUCK1 Gain and Phase Plot With 1-A Load Current for VIN = 13 V
(Phase Margin ≈50 Degree, Bandwidth > 100 kHz)
tps65313Q1e1_buck2_gain_phase_plot.gifFigure 31. BUCK2 Gain and Phase Plot With 1-A Load Current for VIN = 3.3 V
(Phase Margin >50 Degree, Bandwidth ≈75 kHz)
tps65313Q1e1_boost_gain_phase_plot.gifFigure 32. BOOST Gain and Phase Plot With 0.3-A Load Current for VIN = 3.3 V
(Phase Margin >80 Degree, Bandwidth ≈20 kHz)