| Patent Number |
Title Of Patent |
Date Issued |
| 7554271 |
Single stage PFC and power converter circuit |
June 30, 2009 |
| A power converter provides constant load power while achieving a high power factor in a single stage configuration with reduced component count and ratings. The power converter takes a rectified line input to a switching half-bridge that supplies current to a load. A series combinati |
| 7288856 |
Reverse battery protection circuit for power switch |
October 30, 2007 |
| A circuit for protecting a power switch in the event of a reverse battery connection, wherein the power switch comprises a MOSFET having a body diode and the MOSFET is connected in series with a load, the circuit comprising terminals connected to the circuit and normally connectable to |
| 7235825 |
IGBT with injection regions between MOSFET cells |
June 26, 2007 |
| A cellular MOSgated device of planar or trench topology has base injection regions formed between pairs of cells to inject minority carriers to modulate the resistivity of the drift region. |
| 7183834 |
Method and apparatus for driving a power MOS device as a synchronous rectifier |
February 27, 2007 |
| A synchronous rectifier comprising a MOSFET device, and a gate driver for driving the gate of the MOSFET device, the MOSFET device comprising first and second MOSFET transistors coupled with their drain-source paths in parallel to receive an alternating current waveform for rectification |
| 6934168 |
Single stage PFC and power converter unit |
August 23, 2005 |
| A power converter provides constant load power while achieving a high power factor in a single stage configuration with reduced component count and ratings. The power converter takes a rectified line input to a switching half-bridge that supplies current to a load. A series combination o |
