RN PCU: TJA1043 INH WAKE

[Tendulkar_Selvam]

Hi,

Good Day,

I am using TJA1043TK in our RN PCU project.

Design requirements:

TJA1043 is planned to use as wake up input to the PCU(Board)
i.e when VBAT pin is connected to VBAT_ALWAYS_ON (VBAT type 12V) ,
INH has to release when WAKE pin goes to High-Low-High pulse input(i.e active low signal with 500msec duration)
will it be possible ??

If this is not possible is there any other way to trigger the INH pin using wake pin control ?? Please advise

Attached the Schematics for your reference.

[Tendulkar_Selvam]

Hi David,

Thanks for your reply. Understood now.

Could you suggest any CAN transceivers which suits for my requirement ?

Regards

Tendulkar Selvam

[diazmarin09]

Hello Tendulkar_Selvam,

Thank you for contacting us. It is our pleasure.

Unfortunately we do not have any device with such features within our portfolio.

Please accept my apologies.

Regards,

David

[diazmarin09]

Hello Tendulkar_Selvam,

I hope all is great with you. Thank you for using the NXP communities.

Please review the response from our specialist below:

Are you looking for the INH to generate a H-L-H pulse?

This is not possible, the INH will go high once the Vbat is connected. The INH will then return to a high impedance state if the VCC/VIO supplies are not present after timeout or if the device is transitioned to sleep.

I hope this information helps.

Regards,

David