Others: hardware and software

Discuss hardware and software design challenges, including NOR flash storage, OTA updates, component ID, and thermal management.

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Resolved! How to calculate TVS diode SMA6J33CA for ambient 105 °C

Hello ST team,I have trouble to calculate Tj and Rd for ambient 105 °C. What was my stepsApplications conditions for protection:Vin_max = 30 VVin_absolute = 58 VTamb_max = 105 °CMax surge current for 8/20 μs pulse wave:Isurge_max = 1 kV / 42 Ohm = 24...

Cannot figure out how to set the HMAC on the STSAFE-A110

I am trying to use MAC with my STSAFE-A110, in order to further restrict access.I would have expected a function similar to establishing a public key, i.e. StSafeA_PutPublicKeySlot(...), but I can only find StSafeA_PutAttribute.StSafeA_ResponseCode_t...

is all st products EAR99 for export classification?

VND5012AK I have a question regarding how to deal with unused pins. In the datasheet, I found the table however, I don't understand what the 'X' means. Is it 'doesn't matter' or 'not allowed'? Attached my circuit.

Does anyone have a good stencil to solder paste install a LSM303DTR component?

Resolved! Is there a replacement for the ST10F273MR-4Q3?

I have a need for ST10F273MR-4Q3, but this material has been discontinued, is there a replacement for it, preferably in the same package?

Resolved! Buongiorno, sapete dirmi che componente è questo? Grazie

Resolved! Timekeeper M48T08-150PC1 year of manufacture?

I have a Timekeeper M48T08-150PC1 and need to know the year of manufacture.How do you read de manufacturing date codes and Battery trace codes after 2010?My Chip traceability marking: "MYS 99 419 E" .Battery Trace Code: "W1454X"

Resolved! Hello, I am working with LIS332AR elements, I can not decipher the marking, can you help?

Resolved! I would like to know the maximum output current for each channel on part number VN9D30Q100F.

We will be using this part to drive 6 automotive contactors. Supply voltage is 12/24V.