PCAN-MicroMod FD Analog 1 Frequency Outputs

Application-specific PCAN-MicroMod Motherboards
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G.balsan
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Joined: Fri 21. Aug 2020, 18:12

PCAN-MicroMod FD Analog 1 Frequency Outputs

Post by G.balsan » Mon 24. Aug 2020, 10:41

Hello,

I am quite new with electronic and I have a question about the PCAN-Micromod FD Analog1 PWM outputs (Frequency Output FOut_0 and FOut_1).
Is it correct that theses outputs do not provide a TTL output but are Low-Side switch MOSFET that have to be coupled with a resistance and a source voltage ?
My need is a PWM TTL output to feed a logical circuit with low current consumption (I < 100 µA).

In order to match PCAN product specification, could my electrical diagram in attached be correct?

Here is the link of my peak product : https://www.peak-system.com/PCAN-MicroM ... .html?&L=2
Here is the link of the low side switch driver : https://www.infineon.com/dgdl/Infineon- ... 0b6fb04c51

I would be grateful to have an answer,
Regards,

Greg
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LowSideSwitch.JPG
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G.Bohlen
Hardware Development
Hardware Development
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Joined: Wed 22. Sep 2010, 21:38

Re: PCAN-MicroMod FD Analog 1 Frequency Outputs

Post by G.Bohlen » Mon 24. Aug 2020, 10:49

Hello Greg,

your schematic diagram is correct. The 5k resistor pulls the voltage level up to 5V while the output driver is inactive.
The active output of the lowside driver sets the output to 0V.

Regards,
Gunnar Bohlen

G.balsan
Posts: 2
Joined: Fri 21. Aug 2020, 18:12

Re: PCAN-MicroMod FD Analog 1 Frequency Outputs

Post by G.balsan » Wed 26. Aug 2020, 10:14

Thank you for answering Mr. Bohlen,
This solution works perfectly.
Regards,

Greg

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