Automotive uC input protection

Automotive uC input protection - AVR Freaks

I am looking for a solution to protect input pins of my AVR from car's 12V output. i will be connecting it directly to digital outputs of car ECU.

Input protection to uC ADC. - EEVblog

You need to withstand transients of far more than 20V for automotive. Googling "car power protection circuit" should net you few application ...

Thoughts on uC input protection for automotive/marine enviroment ...

You can use the CPP feature on the PIC16 to generate the 10kHz signal, feed it through a resistor to the high impedance side of the transformer ...

Best way to protect inputs from over voltages - Arduino Forum

Greater protection can be had by using regular silicon diodes (Vf ~0.7V) followed by a resistor and a pair of schottky diodes.

Protecting Inputs in Digital Electronics - DigiKey

Any large voltage that shows up on input pin is presented directly to the interior electronics (microcontroller). Regardless of how this voltage ...

INPUT/OUTPUT PROTECTION FOR AUTOMOTIVE COMPUTER

The sensitivity of µC input/output (linked to the high reliability required by the automotive market), forces the computer to be efficiently protected.

3V3 uC input protection from higher voltage?

The most sensitive feature of a uC is often A2D inputs, which can be adversely affected by very low substrate diode problems. Equipping D2 with ...

ESD Protection for Automotive Infotainment - Texas Instruments

The media interface can receive inputs from USB,. HDMI, SD Cards, or Audio Jacks. The most common found in vehicles today are USB, as Audio Jacks are.

Power input protection in car application : r/PrintedCircuitBoard

You don't have a specification of what you are trying to protect against and what you can get away with. How can I tell you what you'll need? I ...

LM74502-Q1, LM74502H-Q1 Automotive Low IQ Reverse Polarity ...

The LM74502-Q1, LM74502H-Q1 does not have reverse current blocking and is suitable for input reverse polarity protection of loads that can ...

Automotive circuit protection

Typically we used devices like Tranzorbs to protect against auto voltage transients. If you want to learn about such things, look up load dump protection.

FEATURE: How to design robust circuit protection for autonomous ...

Incorporate ESD protection on all subsystem inputs/outputs, using TVS diodes for surge protection against transients generated by electric and ...

Comprehensive Power Supply System Designs for Harsh ...

... automotive specifications, including: automotive input transients, input voltage ra. ... protection in 12 V automotive systems with extremely low power ...

Schottky diode for analog input protection - Arduino Forum

Suggest "clamp" in lieu of "rectify". For uC analog, the rectification is a different subject. Agree the two are tightly interwoven with HV AC ...

ESD and Surge Protection - Infineon Technologies

Infineon leads with a strong and growing family of ESD protection devices with better clamping, lower capacitance, and an a wide range of operating voltages.

MAX16171 Ideal Diode Controller with Reverse-Current Protection

An internal 2.5MΩ resistor between GATE and SRC keeps the external MOSFET off when the input voltage drops below ground. The MAX16171 is available in a tiny 2mm ...

Circuit Protection on an automotive electronics application - Eng-Tips

If the voltage is say under 10 volts, there are switcher circuits targeted at the automotive market that can handle very high voltages and thus ...

FUSB3317 - Automotive USB Power Delivery Source Controller for ...

Protection (UVP), adaptive Over Voltage Protection (OVP), Over. Current ... Input power for the FUSB3317 directly from a battery for automotive applications or ...

Protect I/Os DAC and ADC of my STM32F4

The ESD diodes will be able to tolerate (+-30V in this case ) Only for small time. If Voltage continues for some seconds then it will get damaged. For ADC input ...

Thoughts on uC input protection for automotive/marine enviroment ...

I am now considering an isolated DC-DC converter for the uC supply and connection of the sensor to two pins, with one driven low and the other used as the input ...