SLOU579 August   2024 TSD5402-Q1

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   Applications
  6.   6
  7. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  8. 2Hardware
    1. 2.1 Hardware Overview
    2. 2.2 Setup
    3. 2.3 Interfaces
    4. 2.4 Settings Via I2C
      1. 2.4.1 TSD5402-Q1 Gain
      2. 2.4.2 TSD5402-Q1 PWM Switching Frequencies
      3. 2.4.3 TSD5402-Q1 Power Guard Protection Circuitry
  9. 3Software
    1. 3.1 Software Overview
      1. 3.1.1 PurePath™ Console 3 (PPC3) Access and Description
      2. 3.1.2 Using the PPC3 Plugin
  10. 4Hardware Design Files
    1. 4.1 TSD5402Q1EVM Schematics
    2. 4.2 TSD5402Q1EVM PCB Layouts
    3. 4.3 Bill of Materials
  11. 5Additional Information
    1. 5.1 Trademarks

2.4.3 TSD5402-Q1 Power Guard Protection Circuitry

The Power Guard protection circuitry is programmable for different voltage levels. Program the levels in control register 0x03 via the PPC3 GUI. The control register shows the default value for the Power Guard protection-circuitry voltage level.

Table 2-3 Control Register
D7D6D5D4D3D2D1D0Function
0111100026dB gain, f(sw) set to 400kHz, Power Guard protection circuitry is set to maximum voltage
-------1f(sw) set to 500kHz
-----11-RESERVED
--110---Power Guard protection circuitry is set to 14 Vpeak output
--101---Power Guard protection circuitry is set to 11.8 Vpeak output
--100---Power Guard protection circuitry is set to 9.8 Vpeak output
--011---Power Guard protection circuitry is set to 8.4 Vpeak output
--010---Power Guard protection circuitry is set to 7 Vpeak output
--001---Power Guard protection circuitry is set to 5.9 Vpeak output
--001---Power Guard protection circuitry is set to 5 Vpeak output
00------Set Gain to 20dB
01------Set Gain to 32dB
11------Set Gain to 36dB