公开(公告)号：US09955561B2

公开(公告)日：2018-04-24

申请号：US15284429

申请日：2016-10-03

Applicant: Environmental Potentials, Inc.

Inventor： Andrew C. Pickett ,  Naveen R. Tera ,  Robert V. Rawlings

IPC: H05B37/00 ,  H05B39/00 ,  H05B41/14 ,  H05B41/36 ,  H05B41/28

CPC classification number: H05B41/36 ,  H01J65/048 ,  H05B41/2806 ,  H05B41/282 ,  H05B41/38 ,  Y02B20/22

Abstract: A ballast circuit for a lighting system using an induction fluorescent lamp utilizes an AC-DC rectification circuit, a DC-DC boost power conversion circuit, a DC-AC half bridge inverter circuit, and a resonating circuit to ignite the lamp and maintain substantially constant power output of the lamp, while the DC-AC half bridge inverter circuit is further comprised of a gate isolation transformer connected in a half bridge inverter schematic which uses a ballast integrated circuit (IC) to drive a high side MOSFET and a low side MOSFET and the gate isolation transformer electrically isolates a gate signal to the high side MOSFET.