A secondary side controller for a switched mode power supply, the controller comprising a first semiconductor die comprising an integrated circuit configured to provide a load connection signal; a second semiconductor die, packaged with the first semiconductor die, comprising a charge pump configured to, in response to the load connection signal received from the integrated circuit of the first semiconductor die, provide a switch signal for control of a load connection switch that controls whether or not the switched mode power supply is electrically connected to a load; wherein the presence or absence of the load connection signal is configured to control whether or not the charge pump generates the switch signal and the amplitude of the load connection signal is configured to control the voltage of the switch signal.
Charge pump circuit driving a load connection switch
2020-03-10
Patent
Electronic Resource
English
IPC: | G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H03K PULSE TECHNIQUE , Impulstechnik / 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 |
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