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Class Information
Number: 323/285
Name: Electricity: power supply or regulation systems > Output level responsive > Using a three or more terminal semiconductive device as the final control device > Switched (e.g., switching regulators) > With plural condition sensing
Description: Subject matter including means for sensing a condition of the system or its load, such means being in addition to the means responsive to deviation in the output of the system.










Sub-classes under this class:

Class Number Class Name Patents
323/286 Including filter sensing 182


Patents under this class:
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Patent Number Title Of Patent Date Issued
7616464 Reverse current control system for a power converter Nov. 10, 2009
7615983 High frequency power device for protecting an amplifying element therein Nov. 10, 2009
7615982 Power converter able to rapidly respond to fast changes in load current Nov. 10, 2009
7615981 Boost converter with enhanced control capabilities of emulating an inductor current Nov. 10, 2009
7615974 High dimming ratio LED drive circuit Nov. 10, 2009
7612550 Dropper type regulator Nov. 3, 2009
7609043 Power array system and method Oct. 27, 2009
7605576 Switching power supply device Oct. 20, 2009
7605575 Voltage-supply circuit and method for providing a circuit with a supply voltage Oct. 20, 2009
7602167 Reconfigurable topology for switching and linear voltage regulators Oct. 13, 2009
7598718 Controller for DC to DC converter Oct. 6, 2009
7598715 Apparatus and method for reverse current correction for a switching regulator Oct. 6, 2009
7595622 System and method for providing a sample and hold circuit for maintaining an output voltage of a constant current source circuit when a feedback loop is disconnected Sep. 29, 2009
7595621 DC-DC converter control circuit and DC-DC converter control method Sep. 29, 2009
7592793 Voltage regulator providing power from AC power source Sep. 22, 2009
7592792 Power supply Sep. 22, 2009
7589985 Switching Regulator Sep. 15, 2009
7589511 DC-DC voltage converter Sep. 15, 2009
7589510 Voltage regulator having variable threshold voltage switch Sep. 15, 2009
7583069 Booster Sep. 1, 2009
7583068 Method for driving voltage-controlled devices or current-controlled devices Sep. 1, 2009
7583066 Method of operating a DC/DC up/down converter Sep. 1, 2009
7580805 Programmable calibration circuit for power supply current sensing and droop loss compensation Aug. 25, 2009
7579819 Apparatus and method for flywheel current injection for a regulator Aug. 25, 2009
7576531 Switching regulator and electronic device therewith Aug. 18, 2009
7576530 Switching regulator capable of efficient control at control mode change Aug. 18, 2009
7576529 Step-down type switching regulator Aug. 18, 2009
7570038 Control circuit to reduce reverse current of synchronous rectifier Aug. 4, 2009
7570030 Boost converter circuit having selectable modes Aug. 4, 2009
7567070 Method and apparatus to limit output power in a switching power supply Jul. 28, 2009
7560917 Current feed-through adaptive voltage position control for a voltage regulator Jul. 14, 2009
7558094 Control device for power conversion circuit Jul. 7, 2009
7557555 Method to determine an operating characteristic of a vehicle power converter Jul. 7, 2009
7557554 Voltage/current control apparatus and method Jul. 7, 2009
7557545 Electric power unit operating in continuous and discontinuous conduction modes and control method therefor Jul. 7, 2009
7554311 Hybrid charge pump regulation Jun. 30, 2009
7548050 Switching power supply device and semiconductor integrated circuit Jun. 16, 2009
7548048 Switching mode power supply and method for determining a compensation factor thereof Jun. 16, 2009
7545134 Power supply controller and method therefor Jun. 9, 2009
7545133 Power supply apparatus Jun. 9, 2009
7545132 Sensor-less, low frequency adaptive current limiter and methods for limiting inductive current using the same Jun. 9, 2009
7545131 Transient processing mechanism for power converters Jun. 9, 2009
7545130 Non-linear controller for switching power supply Jun. 9, 2009
7545129 Switching power supply circuit Jun. 9, 2009
7541795 Apparatus and method for start-up and over-current protection for a regulator Jun. 2, 2009
7541786 Voltage regulator Jun. 2, 2009
7538534 Method and apparatus for controlling output current of a cascaded DC/DC converter May. 26, 2009
7538533 Method and apparatus to provide temporary peak power from a switching regulator May. 26, 2009
7535739 Semiconductor switch May. 19, 2009
7535210 Predictive duty ratio generating circuit and method for synchronous boost converters operating in PFM mode May. 19, 2009

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