SLLU370 june   2023 THVD4431

 

  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 Device Information
  8. 2Hardware
    1. 2.1 Power Requirements
    2. 2.2 Setup
    3. 2.3 Component Information
  9. 3Hardware Design Files
    1. 3.1 Schematics
    2. 3.2 PCB Layouts
    3. 3.3 Bill of Materials (BOM)
  10. 4Additional Information
    1. 4.1 Trademarks
  11. 5References

2.3 Component Information

The THVD4431EVM comes with THVD4431RHA pre-installed at U1. All the signal, signal jumpers, and IO connections (J1 – J29) come pre-installed on the board. Please see Table 3-5 for a description of every pad on the board and if the pads come pre-installed by default.

Table 2-5 Headers, Jumpers, and Interfaces
Jumper ID Function Package Comment Installed
J1 L1 I/O 4x2 header L1 Pin on U1 Yes
J2 L2 I/O 4x2 header L2 Pin on U1 Yes
J3 L3 I/O 4x2 header L3 Pin on U1 Yes
J4 L4 I/O 4x2 header L4 Pin on U1 Yes
J5 L5 I/O 4x2 header L5 Pin on U1 Yes
J6 L6 I/O 4x2 header L6 Pin on U1 Yes
J7 L7 I/O 4x2 header L7 Pin on U1 Yes
J8 L8 I/O 4x2 header L8 Pin on U1 Yes
J9 Control signals inputs 2x20 header THVD4431 Control Signal Access Yes
J10 VCC input 3 pin terminal block Power, GND, and EARTH connections Yes
J11 VIO input 3 pin terminal block Power, GND, and EARTH connections Yes
J12 VCC to VIO jumper 1x2 header Used in single supply applications (shunt jumper) Yes
J13 GND to EARTH jumper 1x2 header Used when no Earth is present (shunt jumper) Yes
J14 RS-232 Bus signal jumper 8x2 header Shunt each row to connect to D-SUB Yes
J15 RS-485 “A” common mode input 4x1 header N/A Yes
J16 RS-485 “B” common mode input 4x1 header N/A Yes
J17 RS-485 “Y” common mode input 4x1 header N/A Yes
J18 RS-485 “Z” common mode input 4x1 header N/A Yes
J19 RS-485 “Z” jumper 1x2 header Shunt jumper to connect to terminal block Yes
J20 RS-485 “A” jumper 1x2 header Shunt jumper to connect to terminal block Yes
J21 RS-485 “A,B” common mode input 4x1 header N/A Yes
J22 RS-485 “Y,Z” common mode input 4x1 header N/A Yes
J23 RS-485 “Y” jumper 1x2 header Shunt jumper to connect to terminal block Yes
J24 RS-485 “B” jumper 1x2 header Shunt jumper to connect to terminal block Yes
J25 RS-232 D-Sub connection D-sub connector Shunt J14 to use D-sub connection Yes
J26 RS-485 “Z” and “Y” connection 3 pin terminal block Shunt J19 and J23 to use terminal block Yes
J27 RS-485 “A” and “B” connection 3 pin terminal block Shunt J20 and J24 to use terminal block Yes
J28 Pin 9 variant jumper 4x1 header Check data sheet for current pin-out – Pin 9 can be VIO or VCC Yes
J29 Pin 16 variant jumper 4x1 Header Check data sheet for current pin-out – Pin 16 can be VIO or No Connect Yes
Table 2-6 Resistors
R1 0 Ohm Resistor 0603 J1 to U1:L1 Yes
Resistor ID Function Package Comment Installed?
R2 Pull up resistor 0603 U1:L1 No
R3 Pull down resistor 0603 U1:L1 No
R4 LED current limiting resistor 0603 Limits current to D1 Yes
R5 0 Ohm resistor 0603 J2 to U1:L2 Yes
R6 Pull up resistor 0603 U1:L2 No
R7 Pull down resistor 0603 U1:L2 No
R8 LED current limiting resistor 0603 Limits current to D2 Yes
R9 0 Ohm resistor 0603 J3 to U1:L3 Yes
R10 Pull up resistor 0603 U1:L3 No
R11 Pull down resistor 0603 U1:L3 No
R12 LED current limiting resistor 0603 Limits current to D3 Yes
R13 0 Ohm resistor 0603 J4 to U1:L4 Yes
R14 Pull up resistor 0603 U1:L4 No
R15 Pull down resistor 0603 U1:L4 No
R16 LED current limiting resistor 0603 Limits current to D4 Yes
R17 0 Ohm resistor 0603 J5 to U1:L5 Yes
R18 Pull up resistor 0603 U1:L5 No
R19 Pull down resistor 0603 U1:L5 No
R20 LED current limiting resistor 0603 Limits current to D5 Yes
R21 0 Ohm resistor 0603 J6 to U1:L6 Yes
R22 Pull up resistor 0603 U1:L6 No
R23 Pull down resistor 0603 U1:L6 No
R24 LED current limiting resistor 0603 Limits Current to D6 Yes
R25 0 Ohm resistor 0603 J7 to U1:L7 Yes
R26 Pull up resistor 0603 U1:L7 No
R27 Pull down resistor 0603 U1:L7 No
R28 LED current limiting resistor 0603 Limits current to D7 Yes
R29 0 Ohm resistor 0603 J8 to U1:L8 Yes
R30 Pull up resistor 0603 U1:L8 No
R31 Pull down resistor 0603 U1:L8 No
R32 LED current limiting resistor 0603 Limits current to D8 Yes
R33 LED current limiting resistor 0603 Limits current to D9 Yes
R34 LED current limiting resistor 0603 Limits current to D10 Yes
R35 RS-485 “B” common mode impedance pad 0603 Common mode impedance minimum value = 375 Ω No
R36 GND to EARTH resistor 0603 N/A No
R37 GND to EARTH resistor 0603 N/A No
R38 RS-485 “A” common mode impedance pad 0603 Common mode impedance minimum value = 375 Ω No
R39 RS-485 “Y” common mode impedance pad 0603 Common mode impedance minimum value = 375 Ω No
R40 RS-485 “Z” common mode impedance pad 0603 Common mode impedance minimum value = 375 Ω No
R41 LED current limiting resistor 0603 Limits current to D11 Yes
R42 LED current limiting resistor 0603 Limits current to D12 Yes
R43 LED current limiting resistor 0603 Limits current to D13 Yes
R44 RS-485 “Z,Y” termination resistor 0805 120 Ohm Termination Resistor pad No
R45 LED current limiting resistor 0603 Limits current to D14 Yes
R46 LED current limiting resistor 0603 Limits current to D15 Yes
R47 RS-485 “A,B” termination resistor 0805 120 Ohm termination resistor pad No
R48 LED current limiting resistor 0603 Limits current to D16 Yes
R49 LED current limiting resistor 0603 Limits current to D17 Yes
R50 LED current limiting resistor 0603 Limits current to D18 Yes
Table 2-7 Capacitors
Capacitor ID Function Package Comment Installed?
C1 Load Capacitance for U1:L1 0603 N/A No
C2 Load Capacitance for U1:L2 0603 N/A No
C3 Load capacitance for U1:L3 0603 N/A No
C4 Load capacitance for U1:L4 0603 N/A No
C5 Load capacitance for U1:L5 0603 N/A No
C6 Load capacitance for U1:L6 0603 N/A No
C7 Load capacitance for U1:L7 0603 N/A No
C8 Load capacitance for U1:L8 0603 N/A No
C9 100 nF | 25 V decoupling capacitor 0603 RS-485 “A” line common mode decoupling capacitor No
C10 100 nF | 25 V decoupling capacitor 0603 RS-485 “B” line common mode decoupling capacitor No
C11 100 nF | 25 V decoupling capacitor 0603 RS-485 “Y” line common mode decoupling capacitor No
C12 100 nF | 25 V decoupling capacitor 0603 RS-485 “Z” line common mode decoupling capacitor No
C13 1 uF | 25 V decoupling capacitor 0603 GND to EARTH capacitor No
C14 1 uF | 25 V decoupling capacitor 0603 GND to EARTH capacitor No
C15 4.7uF | 25 V decoupling capacitor 0805 GND to EARTH capacitor No
C16 4.7uF | 25 V decoupling capacitor 0805 GND to EARTH capacitor No
C17 100 nF | 25 V decoupling capacitor 0603 Negative charge pump output decoupling capacitor Yes
C18 100 nF | 25 V decoupling capacitor 0603 Positive charge pump output decoupling capacitor Yes
C19 100 nF | 25 V decoupling capacitor 0603 U1: Pin 16 decoupling capacitor Yes
C20 100 nF | 25 V decoupling capacitor 0603 U1: Pin 9 decoupling capacitor Yes
C21 100 nF | 25 V decoupling capacitor 0603 VCC decoupling capacitor Yes
C22 1 uF | 25 V decoupling capacitor 0603 VCC decoupling capacitor Yes
C23 4.7uF | 25 V decoupling capacitor 0805 VCC decoupling capacitor No
C24 100 nF | 25 V charge pump capacitor 0603 Charge pump capacitor Yes
C25 100 nF | 25 V charge pump capacitor 0603 Charge pump capacitor Yes
C26 100 nF | 25 V termination capacitor for RS-485 bus 0805 N/A No
C27 100 nF | 25 V termination capacitor for RS-485 bus 0805 N/A No
C28 1uF | 25 V decoupling capacitor 0603 VIO supply decoupling capacitor No
C29 1uF | 25 V decoupling capacitor 0603 VIO supply decoupling capacitor No
C30 4.7uF | 25 V decoupling capacitor 0805 VIO supply decoupling capacitor No
Table 2-8 LEDs
LED ID Function Package Comment Installed?
D1 U1:L1 signal LED (Red) Non-standard May not light up for VIO < 3.3V Yes
D2 U1:L2 signal LED (Red) Non-standard May not light up for VIO < 3.3V Yes
D3 U1:L3 signal LED (Red) Non-standard May not light up for VIO < 3.3V Yes
D4 U1:L4 signal LED (Red) Non-standard May not light up for VIO < 3.3V Yes
D5 U1:L5 signal LED (Red) Non-standard May not light up for VIO < 3.3V Yes
D6 U1:L6 signal LED (Red) Non-Standard May not light up for VIO < 3.3V Yes
D7 U1:L7 signal LED (Red) Non-Standard May not light up for VIO < 3.3V Yes
D8 U1:L8 signal LED (Red) Non-Standard May not light up for VIO < 3.3V Yes
D9 U1 VCC indicator diode (Green) Non-Standard N/A Yes
D10 U1 VIO indicator diode (Green) Non-Standard May not light up for VIO < 3.3V Yes
D11 U1: M2 indicator diode (Red) Non-Standard May not light up for VIO < 3.3V Yes
D12 U1: DIR indicator diode (Red) Non-Standard May not light up for VIO < 3.3V Yes
D13 U1: SLR indicator diode (Red) Non-Standard May not light up for VIO < 3.3V Yes
D14 U1: /SHDN indicator diode (Red) Non-Standard May not light up for VIO < 3.3V Yes
D15 U1: TERM_TX indicator diode (Red) Non-standard May not light up for VIO < 3.3V Yes
D16 U1: TERM_RX indicator diode (Red) Non-standard May not light up for VIO < 3.3V Yes
D18 U1: M0 indicator diode (Red) Non-standard May not light up for VIO < 3.3V Yes
D18 U1: M1 indicator diode (Red) Non-standard May not light up for VIO < 3.3V Yes
Table 2-9 IC
IC ID Function Package Comment Installed?
U1 THVD4431 – RS-485 and RS-232 Multiprotocol Transceiver RHA Comes pre-installed with THVD4431RHA Yes
Table 2-10 Test Points
Test Point ID Color Signal
TP1 White L3
TP2 White L1
TP3 Black GND
TP4 Red VCC
TP5 White L2
TP6 Black GND
TP7 Red VIO
TP8 Black GND
TP9 Red V+
TP10 White L4
TP11 Black GND
TP12 Red V-
TP13 White L5
TP14 Black GND
TP15 Red Common mode R4
TP16 White L6
TP17 Black GND
TP18 Red Common mode R3
TP19 White L7
TP20 Black GND
TP21 Red Common mode R1
TP22 White L8
TP23 Black GND
TP24 Red Common mode R2
TP25 Yellow R1
TP26 Green EARTH
TP27 Yellow R2
TP28 Green EARTH
TP29 Yellow R3
TP30 Green EARTH
TP31 Yellow R4
TP32 Green EARTH
TP33 Yellow R5
TP35 Yellow R6
TP37 Yellow R7
TP39 Yellow R8