The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 02, 2010
Filed:
Jan. 22, 2008
James D. Sullivan, Galena, OH (US);
James D. Sullivan, Galena, OH (US);
Other;
Abstract
A circuit and method for controlling a smart, high side driver with current and temperature sensing so that it can turn ON a relatively high current load of incandescent lamps or similar loads within a practical time. The output of the high side driver is sensed. In response to the coexistence of an ON command applied to the control input of the high side driver and the output terminal of the high side driver switching to an OFF state, an OFF command is applied to the control input of the high side driver. That OFF command is maintained for a selected cooling time interval. An ON command is applied to the control input of the high side driver after the selected cooling time interval. The selected cooling time interval is at least long enough to allow the MOS/FET temperature to cool to the thermal reset of its status temperature T, which is the temperature below which the driver operates with its highest current limit Iwhen it is turned back on.