Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hidetaka Fukazawa0
Kotaro Okada0
Date of Patent
July 3, 2007
0Patent Application Number
111229080
Date Filed
May 5, 2005
0Patent Primary Examiner
Patent abstract
A predriver circuit that is capable of reducing the size of a drive transistor while preventing a drive transistor's gate from being destroyed, thereby reducing power consumption. The predriver circuit includes a current mirror circuit, which has a pair of transistors that are connected to a predriver power supply voltage; a level shifter circuit, which is connected to a first transistor via a self-bias circuit; and a discharge transistor, which is connected to a second transistor. A terminal connecting the second transistor to the discharge transistor is connected to a top gate of a high-side MOS transistor for a half-bridge connected drive circuit.
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