High voltage gate driver ic (hvic) with internal charge pumping voltage source
AssigneeInternational Rectifier Corporation
InventorDong Young Lee
Life of this patent
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Abstract
A circuit for using a high voltage gate driver IC (HVIC) for regulation of external floating voltage sources without use of regulation circuits. The circuit including high and low switches; at least one external voltage source coupled to the high and low switches; an HVIC having at least one internal charge pumping voltage source circuit, the HVIC being coupled to gate terminals of the high and low switches; and at least one charge pumping capacitor coupled to the at least one internal charge pumping voltage source circuit for regulating the external voltage of at least one external voltage source.
Claims12
A circuit for using a high voltage gate driver IC (HVIC) for regulation of external floating voltage sources without use of regulation circuits, the circuit comprising:
- high and low switches;
- at least one external voltage source coupled to the high and low switches;
- an HVIC having at least one internal charge pumping voltage source circuit, the HVIC being coupled to gate terminals of the high and low switches;
- and
- at least one charge pumping capacitor coupled to the at least one internal charge pumping voltage source circuit for regulating the external voltage of at least one external voltage source.
Dependencies are inferred from the claim text.