All Questions
Tagged with protection tvs
53
questions
0
votes
2
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69
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Ensuring Proper Damping and Protection at Power Connector Inlet
I am designing a power input stage for a system (which consumes up to 90W) and want to ensure it is properly damped and protected. Here are the components and considerations I have incorporated so far:...
- 1,067
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votes
2
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61
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How to select ESD TVS diode? [closed]
This is the following specification of my circuit
Vin 8V to 32V
The breakdown voltage should be 33V of TVS
I don't know what clamping voltage means please simplify it for me
What should be Vc?
- 117
1
vote
2
answers
175
views
Operation amplifier input HV protection
I have a setup consisting of 8x AD8428 ultra-low noise opamps on a PCB to measure very small voltages with a noise floor of around some 100uV and a low-pass filter up to 10kHz. The input is connected ...
- 103
1
vote
1
answer
188
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Digital Input Voltage range selection
I am designing 24V industrial shields with 4 channel Digital Inputs. the digital inputs voltage range shall be set by 1P3T switch wherein the switch shall be actuated between 3 voltage ranges of 0-24V,...
- 51
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1
answer
71
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0
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123
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Will this TVS protect my LED from inductor voltage surge?
Say I have an illuminated switch (say, this, or something equivalent) hooked up like so:
simulate this circuit – Schematic created using CircuitLab
(Presumed internal resistor of the switch's ...
- 572
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votes
0
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239
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RS485-Protection(signal (A-B) from input voltage (12v and 24v )using TVS diode
To protect RS485 signals differential (A/B) from power input (12 and 24 V), we can use TVS diodes.
TVS diode parameters:
There are many types of TVS diode in the market, designed for a specific ...
- 176
2
votes
3
answers
1k
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Need help with CANbus protection
Made a circuit to protect the CANbus on picture 1, but still have a couple of questions. Should i add filter capacitors on the CANH and CANL lines like in the second picture? In circuit on picture 1 i ...
- 33
1
vote
1
answer
508
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OVP with crowbar + TVS?
I'm looking to design an over voltage protection (for > 13-14V situations) on the input of a power supply (the PS is taking input from a 12V vehicle). I was considering only using a crowbar circuit ...
- 323
1
vote
1
answer
647
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How long TVS diode lifespan?
Do TVS diode have a lifespan? Do TVS diode protect against how many lightning strike during own lifespan? Can ı calculate life expectancy? I don't found any document about this issue
- 13
1
vote
1
answer
645
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TVS Diode Exploded
So TVS Diodes are primarily used for ESD and EFT suppression not surges that have longer duration (for which you can use MOVs, etc.)
What typically happens if the TVS diodes experience a longer surge? ...
- 49
4
votes
3
answers
526
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Polarity of TVS diode is unclear
I have a question regarding the DESD1LIN2WSQ TVS diode by Diodes Inc. which I want to use to protect some 24V IOs of a microcontroller board.
Until now, the TVS diodes I worked with always had the ...
- 2,803
1
vote
3
answers
1k
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Role of CAN bus protection circuitry
Here is CAN protection circuitry as suggested by MORNSUN in their datasheet of CAN transceiver with integrated power. I have few questions regarding few components used there:
What is the purpose of ...
- 597
0
votes
1
answer
132
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Communication Line Protection
I intend to protect a BUS switches ICs, whose voltage on its pins cannot exceed 5.5V and 3.3V. The current cannot exceed 16mA.
The circuits needs to opperate from 3.3V to 5V. But automotive ...
- 917
2
votes
2
answers
1k
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Series resistor on op-amp input
There is a related question similar to mine: Op Amp input protection,
but I found this other configuration:
where the series resistor is placed after the TVS diodes.
What is its purpose? The input ...
- 1,235