SLVUC06 October   2020 TPS650320-Q1

 

  1.   Trademarks
  2. 1Introduction
  3. 2EVM Configurations
    1. 2.1 Requirements
    2. 2.2 Operation Instructions
    3. 2.3 Configuring the USB to I2C Adapter
    4. 2.4 Regulator Input Supplies and Features
      1. 2.4.1 Buck 1 Input Supply
      2. 2.4.2 Mid-Vin Buck1 Features
      3. 2.4.3 Buck 2 Input Supply
      4. 2.4.4 Buck 3 Input Supply
      5. 2.4.5 Low-Vin Buck2 and Buck3 Features
      6. 2.4.6 Low Noise LDO Input Supply
      7. 2.4.7 Low Noise LDO Features
    5. 2.5 Selecting the Logic Supply Voltage
  4. 3Test Points
    1. 3.1 Voltage Test Points
  5. 4Graphical User Interface
    1. 4.1 TPS650320-Q1 EVM Debugging
      1. 4.1.1 I2C Communication Port and Adapter Debugging
      2. 4.1.2 Updating MCU Firmware
    2. 4.2 Navigating the GUI
      1. 4.2.1 Home
      2. 4.2.2 Block Diagram
      3. 4.2.3 Registers
      4. 4.2.4 Device Configuration
        1. 4.2.4.1 Using Device Configuration to Define Spin Settings
        2. 4.2.4.2 Configuring the Power Sequence
    3. 4.3 Re-Program PMIC
    4. 4.4 In-Circuit Programming
  6. 5Typical Performance Plots
    1. 5.1 Power Sequence Plots
    2. 5.2 Load Transient Plots
    3. 5.3 Output Voltage Ripple Plots
    4. 5.4 Efficiency Plots
    5. 5.5 LDO Output Noise
  7. 6TPS650320-Q1 EVM Schematic
  8. 7TPS650320-Q1 EVM PCB Layers
  9. 8TPS650320-Q1 EVM Bill of Materials

2.4.5 Low-Vin Buck2 and Buck3 Features

Table 2-9 Low-Vin (Buck2 and Buck3) Features
FeatureSpecification
Input Voltage Range2.5 V to 5.5 V
Operating CurrentMaximum of 600 mA
Current Limiting1.2 A to 2.5 A
Status MonitoringUV, HOT, OVP, SCG, and OCP
Over-Voltage Protection (OVP)VOUT = 109% to 115%
Short-Circuit Threshold (SCG)VOUT = 250 mV to 350 mV
Table 2-10 Low-Vin (Buck2 and Buck3) Configurable Settings
FeatureConfigurable Range
Output Voltage0.9 V to 1.9 V
Under-Voltage Flags (UV)VOUT = 94.5%, 95%, 95.5%, and 96%
Spread SpectrumEnable or Disable
SequencingEnable, Dependencies, and Fault RST
Sequence Delay (Off and On)0 ms to 20 ms

Note: Over-voltage monitor settings are available for the TPS650331-Q1, TPS650332-Q1, and TPS650333-Q1.