Techniques and apparatus for power monitoring in an in-vehicle system, such as an Advanced Assisted Driving System (ADAS), an in-vehicle infotainment (IVI) system, and/or an Automatic Driving (AD) system. One example method of power monitoring generally includes: using at least one primary domain (MD) power management integrated circuit (PMIC) to regulate power to a primary domain of a system on chip (SoC); regulating power to a security domain of the SoC using at least one security domain (SD) PMIC; powering the at least one SD PMIC using an SD PMIC power rail; and monitoring the SD PMIC power rail using the at least one MD PMIC. For certain aspects, the method further includes powering the at least one MD PMIC using the MD PMIC power rail, and monitoring the MD PMIC power rail using the at least one SD PMIC.

    用于诸如高级辅助驾驶系统(ADAS)、车载信息娱乐(IVI)系统和/或自动驾驶(AD)系统等车载系统中的电源监测的技术和装置。电源监测的一个示例方法整体包括:使用至少一个主域(MD)电源管理集成电路(PMIC)来调节到片上系统(SoC)的主域的电力;使用至少一个安全域(SD)PMIC来调节到该SoC的安全域的电力;使用SD PMIC电源轨来向该至少一个SD PMIC供电;以及使用该至少一个MD PMIC来监测该SD PMIC电源轨。对于某些方面,该方法还包括:使用MD PMIC电源轨来向该至少一个MD PMIC供电,以及使用该至少一个SD PMIC来监测该MD PMIC电源轨。


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    Titel :

    Power management integrated circuit (PMIC) power monitoring without external monitoring circuitry


    Weitere Titelangaben:

    无外部监测电路的电源管理集成电路(PMIC)电源监测


    Beteiligte:
    ANGER ANDREAS (Autor:in) / EASWARAN VIVEK KUMAR (Autor:in) / GULATI RAHUL (Autor:in)

    Erscheinungsdatum :

    25.04.2025


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung



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