DEVICE AND METHOD FOR DIAGNOSING WATCHDOG TIMER

An apparatus and method for diagnosing a watchdog timer is provided. The watchdog timer is used to detect and recover from a malfunction of a battery management system. Before entering a shutdown mode in response to a shutdown command from an external device, the apparatus outputs an invalid trigger...

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Bibliographic Details
Main Authors LEE, Joong-Jae, YOON, Yeo-Bong
Format Patent
LanguageEnglish
French
German
Published 24.06.2020
Subjects
BASIC ELECTRIC ELEMENTS
CALCULATING
CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER
COMPUTING
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
GENERATION
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
SYSTEMS FOR STORING ELECTRIC ENERGY
TESTING
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Summary:An apparatus and method for diagnosing a watchdog timer is provided. The watchdog timer is used to detect and recover from a malfunction of a battery management system. Before entering a shutdown mode in response to a shutdown command from an external device, the apparatus outputs an invalid trigger signal to the watchdog timer and diagnoses a malfunction of the watchdog timer depending on whether the watchdog timer outputs a reset signal.
Bibliography:Application Number: EP20180887958