GATE DRIVE CHARGE PUMP CIRCUIT FOR DYNAMIC BIAS CONTROL

In an example, a system includes a charge pump. The system includes a transistor coupled to a power terminal, the transistor gate coupled to a charge pump output. The system includes current sense circuitry having a power input, a load input and a sense output, where the power input is coupled to th...

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Bibliographische Detailangaben
Hauptverfasser:	YE, Jing, HUNTER, Bradford Lawrence
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	In an example, a system includes a charge pump. The system includes a transistor coupled to a power terminal, the transistor gate coupled to a charge pump output. The system includes current sense circuitry having a power input, a load input and a sense output, where the power input is coupled to the power terminal, the current sense circuitry is configured to provide a sense signal at the sense output, and the sense signal represents a polarity and a magnitude of a current at the load input. The system includes a controller having a sense input coupled to the sense output and a control output coupled to the control input, where the controller is configured to provide a control signal at the control output responsive to the sense signal, and the charge pump is configured to adjust a voltage at the charge pump output responsive to the control signal.