Battery pre-discharge driving circuit and control method thereof

The invention discloses a battery pre-discharge driving circuit and a control method thereof. The battery pre-discharge driving circuit comprises a BMS chip, a charge and discharge control chip, a normal discharge switching circuit and a pre-discharge switching circuit connected with a first resisto...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JIN WENZHANG, WANG YOUWEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	The invention discloses a battery pre-discharge driving circuit and a control method thereof. The battery pre-discharge driving circuit comprises a BMS chip, a charge and discharge control chip, a normal discharge switching circuit and a pre-discharge switching circuit connected with a first resistor in series. The BMS chip is connected with the battery pack and the charge-discharge control chip, the normal discharge switch circuit is connected in series with the positive electrode of the battery pack, the pre-discharge switch circuit is bridged at the two ends of the normal discharge switch circuit, and the negative end of the pre-discharge switch circuit is grounded through the second resistor; and the charging and discharging control chip is also connected with the normal discharging switch circuit and the pre-discharging switch circuit. The normal discharge switch circuit and the pre-discharge switch circuit connected in series with the first resistor are arranged at the positive electrode of the battery