METHODS AND APPARATUS TO DETECT AND DIAGNOSE FAULTS IN BUCK REGULATORS

METHODS AND APPARATUS TO DETECT AND DIAGNOSE FAULTS IN BUCK REGULATORS

An example apparatus includes: a phase circuit configured to receive a pulse of a pulse width module (PWM) signal; provide, after receiving the pulse, an output voltage to a load; exhibit a fault; in response to the fault corresponding to a first category, transmit a first code voltage in a current...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Suryanarayana, Dattatreya Baragur, Kumar, Charan Hemanth, Anyam, Karthik, Jain, Mayank, Tadeparthy, Preetam Charan Anand
Format: Patent
Sprache:eng
Schlagworte:
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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Beschreibung
Zusammenfassung:An example apparatus includes: a phase circuit configured to receive a pulse of a pulse width module (PWM) signal; provide, after receiving the pulse, an output voltage to a load; exhibit a fault; in response to the fault corresponding to a first category, transmit a first code voltage in a current sense (CS) signal; in response to the fault corresponding to a second category, transmit a reference voltage in the CS signal; receive, after transmission of the reference voltage, a tristate voltage in the PWM signal; and transmit, after receiving the tristate voltage, a second code voltage in the CS signal based on a type of the fault and the second category.