Single transformer-based gate driver
AssigneeThe Florida State University Research Foundation, Inc.
InventorsFang Peng, Hui Li
Life of this patent
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Abstract
The disclosure relates to a devices, systems and methods implementing a single transformer-based gate driver. In one embodiment, single transformer-based gate driver includes an RF source; a PWM controller; an edge detector and pulse generating circuit operably connected to the RF source and PWM controller; a transformer comprising a primary side and a secondary side, the primary side of the transformer operably connected to an output of the edge detector and pulse generating circuit, the secondary side of the transformer operably connected to a rectifier circuit and a signal recovery circuit; and a drive circuit operably connected to the rectifier circuit and the signal recovery circuit.
Claims13
A single transformer-based gate driver, the single transformer-based gate driver comprising:
- an RF source;
- a PWM controller;
- an edge detector and pulse generating circuit operably connected to the RF source and PWM controller;
- a transformer comprising a primary side and a secondary side, the primary side of the transformer operably connected to an output of the edge detector and pulse generating circuit, the secondary side of the transformer operably connected to a rectifier circuit and a signal recovery circuit;
- and
- a drive circuit operably connected to the rectifier circuit and the signal recovery circuit.
A method for driving a power switching device, the method comprising:
- providing an RF signal and a PWM signal;
- modulating the RF signal with the PWM signal to create a primary signal;
- applying the primary signal to a primary side of a transformer;
- receiving a secondary signal from a secondary side of the transformer;
- rectifying the secondary signal to produce a power signal;
- deriving a recovered PWM signal from the secondary signal;
- and driving a drive circuit using the recovered PWM signal and the power signal.
Dependencies are inferred from the claim text.