Power supply automatic switching circuit

The utility model discloses a power supply automatic switching circuit. The circuit comprises a first voltage terminal, a second voltage terminal, a voltage output terminal and a power supply cathode.The first voltage end is connected with the current input end of the reference current source; the c...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	HUANG WENCAN, LIU DEJIA, XIONG LIANGYONG, WANG XIAOHUANG, WANG FAXIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	The utility model discloses a power supply automatic switching circuit. The circuit comprises a first voltage terminal, a second voltage terminal, a voltage output terminal and a power supply cathode.The first voltage end is connected with the current input end of the reference current source; the current output end of the reference current source is connected with the reference current input endof the first current mirror; the mirror current input end of the first current mirror is connected with the reference current output end of the second current mirror; a first mirror image current output end of the second current mirror is connected with an inverting input end of the operational amplifier and a reference current input end of the third current mirror; the mirror current input end of the third current mirror is connected with the reference current output end of the fourth current mirror; the mirror image current output end of the fourth current mirror is connected with the mirror image circuit input end