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Board Description
2 Board Description
Features
•
Ready to Use out of Box with THVD1454 Pre-Installed
•
Two 10 uF and Two 47 uF Decoupling Caps Pre-Installed on VCC to GND and GND to EARTH Connections
•
Two Resistor Pads to create resistive link between GND and EARTH
•
One 4x2 Header Connection for Feature Control Signals
•
External Termination Resistor and Capacitor Pads on shared bus
•
Common Mode Voltage Connection Points Located at J11 and J12
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
Jumpers.
Jumper ID
Function
J1
"R" Pin output
J2
"/RE" Pin Input
J3
"DE" Pin Input
J4
"D" Pin Input
J5
VCC Terminal
J6
Control Signal Header
J7
Bus Header #1
J8
Bus Header #2
J9
Differential Bus
Connection Terminal
J10
"A" Line Common Mode
Input
J11
"B" Line Common Mode
Input
J12
Differential Bus Common
Mode Input
Resistor Pad IDs (R1-R20), function, package, comment, and default installation status are shown
Resistor ID
Function
R1
0 Ohm Series Resistor
R2
Pull-Up Resistor
R3
LED Current Limiting
Resistor
R4
0 Ohm Series Resistor
R5
Pull-Down Resistor
R6
Pull-Up Resistor
R7
0 Ohm Series Resistor
R8
Pull-Up Resistor
R9
Pull-Down Resistor
R10
0 Ohm Series Resistor
R11
Pull-Up Resistor
R12
Pull-Down Resistor
4
THVD1454EVM User's Guide
Table 3-1. Power Jumpers/Inputs (J1 – J12)
Package
4x2 Header
4x2 Header
4x2 Header
4x2 Header
3-Pin Terminal Block
4x2 Header
4x1 Header
4x1 Header
3-Pin Terminal Block
4x1 Header
4x1 Header
4x1 Header
Table 3-2. Resistor Pad IDs (R1-R20)
Package
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
Copyright © 2023 Texas Instruments Incorporated
Table 3-1
for component overview for
Comment
Installed?
N/A
Y
N/A
Y
N/A
Y
N/A
Y
N/A
Y
N/A
Y
Between Series Resistor
Y
and IC
Between Series Resistor
Y
and Terminal
N/A
Y
N/A
Y
N/A
Y
N/A
Y
Comment
Installed?
"R" Pin
Y
"R" Pin
N
"R" Pin LED
Y
"/RE" Pin
Y
N
"/RE Pin"
"/RE Pin"
N
"DE Pin"
Y
"DE Pin"
N
"DE Pin"
N
"D Pin"
Y
"D Pin"
N
"D Pin"
N
SLLU365 – JANUARY 2023
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inTable
3-2.
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