A battery management system may include: a plurality of voltage detection integrated circuits; and a battery controller configured to control charge and discharge of a high voltage battery based on a cell voltage detection result received from the voltage detection integrated circuits, and each of the detection integrated circuits includes: a cell voltage detection circuit configured to detect a voltage of at least one corresponding cell among a plurality of cells constituting the high voltage battery; first and second interfaces configured to communicate between different voltage detection integrated circuits in the detection integrated circuits; a plurality of first terminals connected with a first power source which supplies an operation voltage of the cell voltage detection circuit and the first interface; a plurality of second terminals configured to receive an operation voltage of a different voltage detection integrated circuit connected therewith through the second interface; and a level shifter configured to level-shift a voltage supplied from the first power source based on the operation voltage inputted through the second terminals to supply the level-shifted voltage as an operation voltage of the second interface.
VOLTAGE DETECTION INTEGRATED CIRCUIT AND BATTERY MANAGEMENT SYSTEM INCLUDING SAME
INTEGRIERTE SCHALTUNG ZUR SPANNUNGSERFASSUNG UND BATTERIEVERWALTUNGSSYSTEM DAMIT
CIRCUIT INTÉGRÉ DE DÉTECTION DE TENSION ET SYSTÈME DE GESTION DE BATTERIE LE COMPRENANT
2023-12-06
Patent
Electronic Resource
English
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
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