SLVUCG6 November   2022 TPS650350-Q1

 

  1.   TPS650350-Q1 EVM User's Guide
  2.   Trademarks
  3. 1 Introduction
  4. 2 Requirements
  5. 3 Operation Instructions
    1. 3.1 Configuring the USB to I2C Adapter
    2. 3.2 Regulator Input Supplies and Features
      1. 3.2.1 Buck 1 Input Supply
      2. 3.2.2 Mid-Vin Buck1 Features
      3. 3.2.3 Buck 2/LDO Input Supply
      4. 3.2.4 Buck 3 Input Supply
      5. 3.2.5 Low-Vin Buck2 and Buck3 Features
      6. 3.2.6 Low Noise LDO Features
    3. 3.3 Selecting the Logic Supply Voltage
  6. 4 EVM Configurations
  7. 5 Test Points
    1. 5.1 Voltage Test Points
  8. 6 Graphical User Interface
    1. 6.1 TPS650350-Q1 EVM Debugging
      1. 6.1.1 I2C Communication Port and Adapter Debugging
      2. 6.1.2 Updating MCU Firmware
    2. 6.2 Navigating the GUI
      1. 6.2.1 Home
      2. 6.2.2 Block Diagram
      3. 6.2.3 Registers
      4. 6.2.4 Device Configuration
        1. 6.2.4.1 Using Device Configuration to Define Spin Settings
        2. 6.2.4.2 Configuring the Power Sequence
      5. 6.2.5 Re-Program PMIC
    3. 6.3 In-Circuit Programming
  9. 7 Typical Performance Plots
    1. 7.1 Power Sequence Plots
    2. 7.2 Load Transient Plots
    3. 7.3 Output Voltage Ripple Plots
    4. 7.4 LDO Output Noise
  10. 8 TPS650350-Q1 EVM Schematic
  11. 9 TPS650350-Q1 EVM PCB Layers
  12. 10TPS650350-Q1 EVM Bill of Materials

3.2.6 Low Noise LDO Features

Table 3-11 Low Noise LDO Features
FeatureSpecification
Input Voltage Range2.5 V to 5.5 V
Operating CurrentMaximum of 150 mA or 300 mA
Current LimitingMinimum of 200 mA or 400 mA
Status MonitoringUV, HOT, OVP, SCG, OCP
Over-Voltage Protection (OVP)VOUT = 109% to 115%
Short-Circuit Threshold (SCG)VOUT = 250 mV to 350 mV
Table 3-12 Low Noise LDO Configurable Settings
FeatureConfigurable Range
Output Voltage1.8 V, or 2.7 V to 3.3 V
Under-Voltage Flags (UV)VOUT = 94.5%, 95%, 95.5%, and 96%
Load Switch ModeEnable or Disable
Current Limit200 mA, 400 mA
SequencingEnable, Dependencies, and Fault RST
Sequence Delay (Off and On)0 ms to 20 ms

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