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

3.2.2 Mid-Vin Buck1 Features

Table 3-5 Mid-Vin (Buck1) Features
FeatureSpecification
Input Voltage Range4 V to 18.3 V
Operating CurrentMaximum of 1.5 A
Current Limiting1.8 A to 3.6 A
Status MonitoringUVLO, UV, HOT, OVP, SCG, OCP
Over-Voltage Protection (OVP)VOUT = 109% to 115%
Short-Circuit Threshold (SCG)VOUT = 250 mV to 350 mV
Table 3-6 Mid-Vin (Buck1) Configurable Settings
FeatureConfigurable Range
Output Voltage2.5 V to 4.0 V
PVIN_B1 UVLO Rising3.64 V to 9.36 V
PVIN_B1 UVLO Falling3.5 V to 9 V
Output DischargeDisabled, 125 Ω, 250 Ω, and 500 Ω
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.