A voltage monitoring module including a first input terminal coupled to a high-voltage-side terminal of a battery cell through a first path including an external resistor, a first terminal coupled to the high-voltage-side terminal of the battery cell through a second path; a first switch coupled to the first input terminal, a second switch coupled to the first terminal; a second input terminal and a second terminal coupled to a low-voltage-side terminal of the battery cell, a third switch that is coupled to the second input terminal; a fourth switch that is coupled to the second terminal, and a control circuit that controls ON/OFF of the first through fourth switches, wherein an element that suppresses fluctuation of a voltage input to the first switch through the first input terminal that is coupled between the first switch and a fixed voltage.
Voltage monitoring module and voltage monitoring system to detect a current leakage
2021-01-19
Patent
Electronic Resource
English
IPC: | G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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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