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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Possible counterfeit: TSD4M250AV

Hi everybody!I´m repairing a big ClassD amplifier from the 90s and I needed to replace four old TSD4M250V mosfet isotop modules. I tried with modern parts (IXFN140N20P from IXYS), without fails or smoke troubles, but they not working correctly (the c...

`stmmac` driver error: MAC to MAC communication

Hi there,I am trying to use the stmmac driver the .dtsi here to connect two GMII MAC components.gmac0 and gmac1 are activated as followed in a separate .dts file - note that gmac2 is configured and confirmed to be working prior to this:&gmac0 { stat...

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Resolved! ECMF02-4CMX8 operating temperature

Hello, My system is required to operate at -40C.The datasheet states that low range ambient temperature is -30C, while the junction temperature is -40C.Can you please explain the discrepancy between the two? Under what conditions can the junction tem...

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