• THVD1406: Power Dissipation

  

  Jason Hu27

  TI Thinks Resolved

  Part Number: THVD1406 Tool/software: Dear Experts, please refer to below spec. I use LDO to provide power to THVD1406. LDO input voltage is 24V and LDO output voltage is 3.3V. If THVD1406 will consume 220mW, Buck is better choice than LDO. When RS485 is…

  • 1 month ago
  • Interface
  • Interface forum

• THVD1406: How to configure if use auto-direction mode?

  

  Zoe Yang

  TI Thinks Resolved

  Part Number: THVD1406 Tool/software: Hi team, How to configure RE/SHDN if use auto-direction mode? Just pull up these to pins with a resistor?

  • 3 months ago
  • Interface
  • Interface forum
Answered

• THVD1406: Echo on the Rx pin.

  

  Krzysztof Dluzynski

  Resolved

  Part Number: THVD1406 Other Parts Discussed in Thread: THVD1400 I'm using THVD1406 Auto Direction feature. SHDN and RE connected and both pins are pulled up to VCC (3V3).Also UART RX is pulled to 3V3 by 10k resistor (not visible on this schematic)…

  • Resolved

  • 6 months ago
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Answered

• THVD1406: Low impedence problem between 5V supply and the 3.3V used as pull-up for the UART side level of the device

  

  Alessandro Taddei

  Resolved

  Part Number: THVD1406 Hi TI Team, I'm selecting THVD1406 as a 485 autodirectional transceiver for a new product and I have found the following problem on the PCB prototype: there's a low impedence path between the +5V rail and the +3.3V caused by the…

  • Resolved

  • 5 months ago
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Answered

• RE: THVD1406: THVD1406

  

  Tyler Townsend

  Resolved

  Hi Salvatore, salvatore silvestri said: First Row: 1406 Second Row: [Logo TI] 23T Third Row: A8KT G4(underlined) I am having a difficult time looking up this specific device in our system. I can't seem to trace it back to one of fab sites. Do you have…

  • over 1 year ago
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• THVD1406: Voltage spike on RS485 AB

  

  Emma Wang

  TI Thinks Resolved

  Part Number: THVD1406 Hi expert, My customer is evaluate THVD1406 to replace MAX13487 and they found there will exist a voltage spike on THVD1406, but MAX13487 will be normal. waveform as below: CH2:TXD CH3:A to B do we need a different design? I want…

  • 9 months ago
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Answered

• THVD1406: THVD1406 @10kbit/s not working

  

  Jorge Sampaio

  Resolved

  Part Number: THVD1406 Other Parts Discussed in Thread: THVD1400 Hi THVD1406 auto direction does not work at low data rates. The output pulse "H" is only 8us at high level then output goes "idle" until next output pulse "L".…

  • Resolved

  • over 1 year ago
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Answered

• THVD1406: Recommended/possible baud rates at which the auto direction control works and behaviour in situation of bus contention

  

  Michael

  Resolved

  Other Parts Discussed in Thread: THVD1400 , THVD1406 , THVD1426 Dear support team, I need a RS485 transceiver IC with auto-direction control. I have two principle questions in this context: Question 1) About low 9600 baud rate, auto-direction control and fail…

  • Resolved

  • 7 months ago
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Answered

• THVD1426: Is there an isolated version of THVD1406/THVD1426 transceiver?

  

  Dmitry Marukh

  Resolved

  Part Number: THVD1426 Other Parts Discussed in Thread: THVD1406 , , ISO1430 , ISO1410 , ISO7721 I am looking for an analog to MAX22026FAWA+ chip. Does TI have any?

  • Resolved

  • 10 months ago
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• THVD1406: THVD1406DR

  

  Yehoram har even

  TI Thinks Resolved

  Part Number: THVD1406 TI support hello i am working with the THVD1406DR and have a question. first when i look at SN65HVD7 data sheet I can see that: DE pin enable the D pin and RE enable the R pin. not clear (THVD1406DR) how I can operate the transceiver…

  • over 1 year ago
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