SLLU365 January   2023 THVD1454

 

  1.   Abstract
  2.   Trademarks
  3. 1Introduction
  4. 2Board Description
  5. 3Board Component Overview
  6. 4Powering the Board
  7. 5Operation of THVD1454EVM
    1. 5.1 Default Operation
    2. 5.2 Potential Modifications
  8. 6Design Documents
    1. 6.1 Schematics
    2. 6.2 Layout
    3. 6.3 Bill of Materials
  9. 7References

3 Board Component Overview

The THVD1454EVM is ready to operate directly out of box with a THVD1454 installed at U1. All the Signal and Power Jumpers/Inputs (J1 – J12) come pre-installed on board. See Table 3-1 for component overview for Jumpers.

Table 3-1 Power Jumpers/Inputs (J1 – J12)
Jumper ID Function Package Comment Installed?
J1 “R” Pin output 4x2 Header N/A Y
J2 “/RE” Pin Input 4x2 Header N/A Y
J3 “DE” Pin Input 4x2 Header N/A Y
J4 “D” Pin Input 4x2 Header N/A Y
J5 VCC Terminal 3-Pin Terminal Block N/A Y
J6 Control Signal Header 4x2 Header N/A Y
J7 Bus Header #1 4x1 Header Between Series Resistor and IC Y
J8 Bus Header #2 4x1 Header Between Series Resistor and Terminal Y
J9 Differential Bus Connection Terminal 3-Pin Terminal Block N/A Y
J10 “A” Line Common Mode Input 4x1 Header N/A Y
J11 “B” Line Common Mode Input

4x1 Header

 N/A Y
J12 Differential Bus Common Mode Input 4x1 Header N/A Y

Resistor Pad IDs (R1-R20), function, package, comment, and default installation status are shown inTable 3-2.

Table 3-2 Resistor Pad IDs (R1-R20)
Resistor ID Function Package Comment Installed?
R1 0 Ohm Series Resistor 0603 "R" Pin Y
R2 Pull-Up Resistor 0603 "R" Pin N
R3 LED Current Limiting Resistor 0603 "R" Pin LED Y
R4 0 Ohm Series Resistor 0603 "/RE" Pin Y
R5 Pull-Down Resistor

0603

"/RE Pin"

 N
R6 Pull-Up Resistor 0603 "/RE Pin" N
R7 0 Ohm Series Resistor 0603 "DE Pin" Y
R8 Pull-Up Resistor 0603 "DE Pin" N
R9 Pull-Down Resistor 0603 "DE Pin" N
R10 0 Ohm Series Resistor 0603 "D Pin" Y
R11 Pull-Up Resistor 0603 "D Pin" N
R12

Pull-Down Resistor

 0603 "D Pin" N
R13 LED Current Limiting Resistor 0603 "D Pin LED" Y
R14 GND to EARTH Resistor 0603 N/A N
R15 LED Current Limiting Resistor 0603 "VCC LED" N
R16 Termination Resistor Pad 0805 N/A N
R17 0 Ohm Series Resistor 0603 "A Pin" Y
R18 0 Ohm Series Resistor 0603 "B Pin" Y
R19 Common Mode Resistor "A Pin" 0603 N/A N
R20 Common Mode Resistor "B Pin" 0603 N/A N

Capacitor Pad IDs (C1 - C10), function, package, comment, and default installation status are shown in Table 3-3.

Table 3-3 Capacitor Pad IDs (C1 - C10)
Capacitor ID Function Package Comment Installed?
C1 Capacitive Load on "R" Pin 0603 N/A N
C2 IC HF Decoupling Capacitor 0603 N/A Y
C3 GND to Earth 47uF Decoupling Capacitor 0805 N/A Y
C4 VCC to GND 47uF Decoupling Capacitor 0805 N/A Y
C6 VCC to GND 10uF Decoupling Capacitor 0805 N/A Y
C7 Earth to GND 10uF Decoupling Capacitor 0805 N/A Y
C8 Termination Capacitor Pad 0805 N/A N
C9 "A" Pin Common Mode Decoupling Capacitor 0603 N/A Y
C10 "B" Pin Common Mode Decoupling Capacitor 0603 N/A Y

Other component IDs, function, package, comment, and default installation status are shown in Table 3-4.

Table 3-4 Other component IDs
Other Component ID Function Package Comment Installed?
D1 LED indicator for Data Reception at "R" pin Custom "Red" Y
D2 LED Indicator For Data Transmission at "D" pin Custom "Green" N
D3 LED Indicator for Board Power Comment "Blue" Y
U1 Main EVM IC DRC N/A Y