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  • THVD4421: Pinout discrepancy

    TI Thinks Resolved
    Part Number: THVD4421 Hi Team, it has been reporting a discrepancy in the pinout information for the THVD4421RHBR . The datasheet shows one pinout configuration, while both the Application Note/Evaluation board documentation and the Ultra Librarian…
    • Answered

  • THVD4421: Correct pin define of THVD4421?

    Resolved
    Part Number: THVD4421 Tool/software: Hi TI support team, We are goint to design RS232/RS485 interface with THVD4421. But we found there are three different pin define in THVD4421 datasheet and EVM schematic . 1. Pin7 : NC in datasheet and VCC in EVM…
    • Resolved

  • THVD4421: SPEC CHECK

    TI Thinks Resolved
    Part Number: THVD4421 Tool/software: Hi Regarding the THVD4421 problem, please refer to the following diagram 1. Is Pin7 an NC pin or a Vcc pin (Figure 1)? 2. Should Pin8 be connected to GND or 3V to 5.5V (Figure 2)

  • THVD4421: UART to 232 fail

    Part Number: THVD4421 Tool/software: Hi, 232 to UART works well but UART to 232 shows no reponse. Customer is using THVD4421EVM and connection is as below. When PC send data through 232 to 4421 and 4421 transfer it to UART and communication works…
    • Answered

  • THVD4421: Are RS-232 functions disabled and High-Z when in RS-485 mode?

    Resolved
    Part Number: THVD4421 Tool/software: The data sheet clearly says "When the device is configured in RS-232 mode, RS-485 circuits and 120Ω termination are disabled and do not interfere in RS-232 communication." But says nothing like this for RS-485 mode…
    • Resolved
    • Answered

  • THVD4421: Inquiry on Linux Driver Support for THVD4421RHBR

    Resolved
    Part Number: THVD4421 Tool/software: I'm looking for information regarding Linux driver support for the THVD4421RHBR(RS232/485/422) . Specifically, I would like to know if there are existing drivers available for this device, particularly in relation…
    • Resolved

  • THVD4411: Consideration of RS-232/RS-485 Dual Protocol Compatible Transceivers

    TI Thinks Resolved
    Part Number: THVD4411 Other Parts Discussed in Thread: THVD4421 , THVD4431 , I am considering implementing a dual-protocol RS-232 / RS-485 (half-duplex) transceiver. I am evaluating whether THVD4441, THVD4421, or THVD4431 can achieve this configuration…
    • Answered

  • TPS65131-Q1: Choose a boost IC that can generate ±15V.

    Resolved
    Part Number: TPS65131-Q1 Other Parts Discussed in Thread: THVD4421 , TMUX7234 , TPS65131 , TPS5430 , We are currently designing a dual-protocol (RS-232 / RS-485) transceiver circuit (similar to the THVD4421). According to the customer’s pin definition…
    • Resolved

  • THVD1420: THVD1420 Shared USART and Pin Configuration

    TI Thinks Resolved
    Part Number: THVD1420 Other Parts Discussed in Thread: MAX3223 , THVD4421 My system can be configured for RS232 or RS485. I'm wondering if it is possible to split a USART pin pair between THVD1420 and the MAX3223? I'm worried about leakage current and…
    • Answered

  • THVD4411: Concerns about pin settings

    Resolved
    Part Number: THVD4411 Other Parts Discussed in Thread: THVD4421 , THVD4431 Tool/software: I am trying to build a 232/422/485 circuit using the THVD4411. Before that, I have some questions, so I will leave them here. 1. Regarding RS232 settings (MODE1…
    • Resolved

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