• THVD1450: Disable Failsafe?

  

  Fatima Elfasi

  TI Thinks Resolved

  Part Number: THVD1450 Tool/software: Hi transceivers team, My customer is using the THVD1450DR and wanted to know if there is a way to disable the failsafe feature (which is typically active high, to my understanding). The idle is particularly unwanted…

  • 3 months ago
  • Interface
  • Interface forum
Answered

• THVD1450: Can i use 3.3V for the tx/rx signals of the THVD1450?

  

  Martin Holguin

  Resolved

  Part Number: THVD1450 Tool/software: I'm using the THVD1450 in a custom design and the mcu uses 3.3V CMOS logic. Can i use the THV without issues with this logic level if i connect the THVs VCC pin to 3.3V?

  • Resolved

  • 10 months ago
  • Interface
  • Interface forum
Answered

• THVD1450: 485 BUS signal are occasionally synchronized --- THVD1450

  

  Ken Zhang

  Resolved

  Part Number: THVD1450 Tool/software: Hi A my account meets communication issue with THVD1450. During RS485 bus communication, The signals on the A-line and B-line on the RS485 bus are occasionally synchronized and the waveforms are as pictured. What…

  • Resolved

  • over 1 year ago
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  • Interface forum

• THVD1450: CCO for some items

  

  Viola Yin

  TI Thinks Resolved

  Part Number: THVD1450 Tool/software: Hi All We need to know the Chip country origin (wafer fab site) information for customs clearance, please advise where we can get the information? Thank you. THVD1450DRBR

  • 4 months ago
  • Interface
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Answered

• THVD1450: TVS diode ground connection

  

  Jigar Patel

  Resolved

  Part Number: THVD1450 Tool/software: Hi, I am facing some strange issue. i am attaching some block diagram of my circuit. on field, in some PCBs, RX,TX logic lines trace near MCU (pic32) is cut or open or may be burnt ( i am not sure whether it…

  • Resolved

  • 4 months ago
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• THVD1450: Output Signal Distortion When Using THVD1450DR

  

  Conor

  TI Thinks Resolved

  Part Number: THVD1450 Tool/software: We are currently evaluating THVD1450DR as a replacement for the ADM1485JRZ and have observed waveform behavior during transmission testing. When using THVD1450DR, we noticed significant overshoot and undershoot on…

  • 4 months ago
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• THVD1450: RS-485 cable length vs. data rate graphs (difference between vendors)

  

  Conor

  TI Thinks Resolved

  Part Number: THVD1450 Tool/software: Hi, I would like to confirm my understanding regarding RS-485 transmission distance. In Analog Devices’ AN-960, the commonly cited graph shows that at 10 Mbps the achievable distance is only about 15 ft. On the…

  • 2 months ago
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Answered

• THVD1450: Driver output short to GND?

  

  Lutz Naumann

  Resolved

  Part Number: THVD1450 Tool/software: Dear team, THVD1450 has a lot of fail safe features described for the receiver. Further the datasheet specs 250mA of current as short circuit current. What is not clear to me is what happens to the driver if one…

  • Resolved

  • 8 months ago
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Answered

• THVD1450: ESD TVS selection for THVD1450

  

  aiden-kai.chen

  Resolved

  Part Number: THVD1450 Dear TI expert： I want to use THVD1450 for RS485 communication with 20Mbps. Now I want to select a TVS for A/B Z/Y bus line. From the datasheet I found the common-mode range is ±15 V. 1、So whether the "Reverse Stand-Off Voltage…

  • Resolved

  • over 1 year ago
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• THVD1450: Is my implementation with the selected TI RS485 transceptor correct?

  

  Martin Holguin

  Answer Suggested

  Part Number: THVD1450 Other Parts Discussed in Thread: THVD1426 , THVD1406 Tool/software: I’ve been reading some literature about the RS-485 interface and how to design a functional circuit with ESD protection. Is the design I’m proposing below correct…

  • 4 months ago
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