Patent ID: 8054054

Claim:
A circuit for using a high voltage gate driver IC (HVIC) for regulation of external floating voltage sources, the circuit comprising: high and low switches comprising a high switch and a low switch; a first external voltage source coupled to the high switch and a second external voltage source coupled to the low switch; an HVIC having at least one internal charge pumping voltage source circuit, the HVIC being coupled to a gate terminal of the high switchand a gate terminal of the low switch; at least one charge pumping capacitor coupled to the at least one internal charge pumping voltage source circuit, the at least one charge pumping capacitor used to regulate an external floating voltage of at least one external capacitor; a voltage source for the HVIC; wherein the at least one external capacitor is coupled between the at least one internal charge pumping voltage source circuit and at least one of the first or second external voltage sources, wherein the HVIC receives high and low input signals and provides high and low control signals for controlling the high and low switches.