Circuitry and Method for Operating an Electronic Switch

摘要

A circuit includes an electronic switch with an isolated gate, a measuring device for determining a charge at the isolated gate, and an energy supply for providing charge to the isolated gate based on the charge determined by the measuring device.

主权项

1. A circuitry, comprising an electronic switch with an isolated gate;
a measuring device for determining a charge at the isolated gate; an energy supply for providing charge to the isolated gate based on the charge determined by the measuring device; and a logic unit for directly or indirectly controlling the energy supply and the electronic switch, wherein the measuring device is connected to the logic unit to supply the charge determined or an information of the charge determined to the logic unit, wherein
the energy supply comprises a low power charge pump and wherein the logic unit is arranged to select the low power charge pump at least partially during an IDLE state, andthe energy supply comprises a high power charge pump and wherein the logic unit is arranged to select the high power charge pump at least partially during an ON state.