All Questions
Tagged with transient automotive
9 questions
2
votes
2
answers
2k
views
Zener diode response time
I have the below circuit:
Forward diode D0002 - Datasheet SIJ series for reverse protection and C0001-C0004 capacitors for ESD protection.
Zener diode - Datasheet - 36V reverse breakdown.
Question :
...
2
votes
0
answers
407
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Automotive reverse current and transient protection
Adding reverse polarity and reverse current protection to an automotive circuit seems a bit challenging, especially when driving loads in the 10 A range (e.g. seat heater). Diodes on the power line ...
1
vote
2
answers
923
views
Reverse voltage spike protection on high-side of a (coiled) relay without flyback diode
I have a microcontroller interfacing with a normally-open automotive relay on the high-side, through a P-MOSFET. When the microcontroller closes the P-MOSFET's Source & Drain (by sending LOW ...
1
vote
1
answer
55
views
51 V clamp on load dump; will this IC survive?
This is about the Texas Instruments TPS2HB50-Q1 40-V, 50-mΩ Dual-Channel Smart High-Side Switch.
Vbb is the battery (suppy) voltage
Page 7 gives a VbbCLAMP > 58V
...
0
votes
1
answer
480
views
Transient Voltage Suppression Diode with no current limiting component
BATT= 16V
27V Rated TVS Diode spec - TVS Diode Datasheet
The circuit :
My questions:
I want to understand what happens when the BATT voltage goes above the TVS diode clamping voltage. For both ...
0
votes
1
answer
897
views
Transient voltage protection on an automotive circuit
I am currently working on a DIY quickshifter. This stops the spark for a very short time when changing up gears so that gears can be changed at full throttle.
I have a working circuit, but it ...
0
votes
0
answers
18
views
Standards/Insight into Transient Protection of Industrial/Construction Equipment
I am designing a device that will be connected to the 12 or 24V battery of certain construction and industrial equipment. I'm aware that because these are industrial vehicles/equipment we will need ...
0
votes
1
answer
61
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Automotive transients: which rail goes how?
Presumably it would depend on each transient
http://www.sft-lab.com.cn/uploads/ISO_16750-2-2010.pdf
http://sft-lab.com/uploads/ISO7637-2-2011.pdf
Or is there a more general rule - i.e. when a -100V ...
0
votes
0
answers
155
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How to inject load dump transient in LTspice
I wanted to simulate load dumping in LTspice by introducing a transient at load side. But I didn't find any block in LTspice library to do so.
Can anyone assist me in that regard?