THVD4421EVM

THVD4421 evaluation module

THVD4421EVM

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Overview

The THVD4421EVM allows for quick prototyping of TI's RS-485 and RS-232 multiprotocol transceiver (THVD4421). The EVM allows for half and full duplex RS-485 operational modes, 2T2R RS-232 communication, and allows for on-chip diagnostic loopback testing for the RS-232. The THVD4421EVM can be powered by a single supply from 3V to 5.5V or can have a separate logic supply that allows control of the transceiver by controllers operating as low as 1.8V. Multiple speeds are allowed through the use of the slew rate control pin and the ability to use integrated terminations in RS-485 mode.

Features
  • THVD4421RHB pre-installed onto evaluation module.
  • 8 bulk power-supply decoupling capacitor pads for VCC and VIO connections (bottom layer connection).
  • 0603 resistor pads available to create resistive link between GND and EARTH connections for both VIO and VCC terminals.
  • Terminal and header pin access to RS-232 and RS-485 bus signals.
  • D-Sub or header connections for RS-232 signals.
RS-232 & RS-485 multiprotocol transceivers
THVD4421 Dual-protocol RS-232(2T/2R)/RS-485(1T/1R) transceiver
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Evaluation board

THVD4421EVM — THVD4421 evaluation module

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THVD4421EVM THVD4421 evaluation module

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Technical documentation

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Type Title Date
* EVM User's guide THVD4421 Evaluation Module User's Guide PDF | HTML Mar 11, 2024
Certificate THVD4421EVM EU Declaration of Conformity (DoC) PDF | HTML Mar 5, 2024

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