An auxiliary battery system for a vehicle includes an auxiliary battery configured to provide power to an electronic device of the vehicle; a battery sensor configured to calculate a state of charge of the auxiliary battery; and a control unit configured to control charging of the auxiliary battery by the high voltage battery, in which a charging strategy of the auxiliary battery is different depending upon whether communication between the battery sensor and the control unit is activated by a request of the battery sensor or activated by a wake-up of the control unit.
Auxiliary Battery System for Vehicle
2022-09-22
Patent
Electronic Resource
English
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
AUXILIARY BATTERY SYSTEM OF VEHICLE AND METHOD FOR CONTROLLING THE AUXILIARY BATTERY SYSTEM
European Patent Office | 2023
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