Answered

• RE: [FAQ] THVD1400: RS-485 / RS-422 Transceiver Resources

  

  Ethan Sempsrott

  Resolved

  If you still have questions about our transceivers, click the "Ask a new question" button above. We will try our best to get you a response in 24 hours!

  • 1 month ago
  • Interface
  • Interface forum
Answered

• THVD1400: Impact of internal pull-up/pull-down on shorted Re/De inputs

  

  Nitish Patel

  Resolved

  Part Number: THVD1400 Tool/software: Hello, Inputs 'Re_bar' and 'De' are internally tied to Vcc and GND respectively but the 'Re/De' short is pulled down to GND. The effect of 'DIR' driving a '1' or a '0' is clear. …

  • Resolved

  • 2 months ago
  • Interface
  • Interface forum
Answered

• THVD1400: Output High and Low

  

  lu tan

  Resolved

  Part Number: THVD1400 Tool/software: What is the VOH and VOL range for the THVD1400DR on the RS422 side? I know it is just RS422 standard, but I am having hard time finding the voltage logic range. I hope this is a simple question.

  • Resolved

  • 4 months ago
  • Interface
  • Interface forum
Answered

• THVD1400: Maximum allowable TVS Capacitance on the THVD1400

  

  Neet

  Resolved

  Part Number: THVD1400 Tool/software: Hello E2E Community, We are trying to improve the Surge & Transient immunity of our sensor nodes that are interfaced using THVD1400. We have a TVS diode with following specifications - based on your expert knowledge…

  • Resolved

  • 7 months ago
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Answered

• THVD1400: THVD1400DR Off State Output Impedance

  

  lu tan

  Resolved

  Part Number: THVD1400 Tool/software: When THVD1400DR is disabled or when no power is applied to it, what is the output impedance on its pin 7 and pin6 B and A pins? The datasheet says "high impedance". I am asking on this forum to see if there is a more…

  • Resolved

  • 6 months ago
  • Interface
  • Interface forum
Answered

• THVD1400: Input tolerant

  

  Shuji Ishiwata

  Resolved

  Part Number: THVD1400 Tool/software: Hi All, I have a question about the THVD1400. The maximum rated voltages of inputs A and B are as follows, so I understand that it is input tolerant. Is my understanding correct? Best Regards, Ishiwata

  • Resolved

  • 7 months ago
  • Interface
  • Interface forum

• THVD1400: THVD1400 related issues

  

  jeno.zhang

  TI Thinks Resolved

  Part Number: THVD1400 Other Parts Discussed in Thread: SN65HVD75 Tool/software: HI, The customer uses THVD1400 as the RS485 transceiver. Feedback power consumption is high and cannot meet the demand. Is there a recommended product with better power consumption…

  • over 1 year ago
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Answered

• THVD1400: Do We require Level shifter in RS485 IC which is connected with 5V supply and Interfacting with ESP32 3.3v logic level.

  

  Shivam Katiyar

  Resolved

  Part Number: THVD1400 Tool/software: Hi there, I hope you are doing well! There is doubt on interfacig MCU ie ESP32 withTHVD1400 operated with different voltage levels. Altough there is no issue incurred for being tested a month now. But for the long…

  • Resolved

  • 6 months ago
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  • Interface forum

• THVD1400: current consumption on the IC

  

  Michael Akiva

  Part Number: THVD1400 Tool/software: Hi I am using this THVD chip and I am trying to reduce current on my design. currently I have 1mA current flowing through R44. even when there is no power on the RS485. I was trying some solution in order to reduce…

  • 10 months ago
  • Interface
  • Interface forum

• THVD1400: High current consumption

  

  Michael Akiva

  Answer Suggested

  Part Number: THVD1400 Tool/software: Hi, I am using THVD1400 for RS485 communication between my device. I have the following schematics - 5VDC+RS485.pdf I have a current issue when I start communicating with the device. the datasheet mention about 1mA…

  • 11 months ago
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  • Interface forum

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