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Class Information
Number: 323/222
Name: Electricity: power supply or regulation systems > In shunt with source or load > Using choke and switch across source
Description: Subject matter wherein an inductor is connected across a source through a switch which is intermittently operated and it is the duty cycle of the switch which determines the amount of energy which is diverted from the load.

Patents under this class:

Patent Number Title Of Patent Date Issued
8704503 Single ended primary inductor converter with over-current and/or over-voltage protection and method for controlling the same Apr. 22, 2014
8704499 Method and arrangement for tracking the maximum power point of a photovoltaic module Apr. 22, 2014
8694194 Vehicular navigation control interface Apr. 8, 2014
8692524 DC-to-DC conversion apparatus Apr. 8, 2014
8686697 DC voltage booster apparatus Apr. 1, 2014
8686696 DC-DC converter and semiconductor device Apr. 1, 2014
8680916 High efficiency variable voltage supply Mar. 25, 2014
8680824 Inverter circuit with a driver gate receiving a voltage lower than zero and related method for supplying an inverted voltage Mar. 25, 2014
8680822 Power factor control systems and methods Mar. 25, 2014
8680821 Load adaptive voltage regulator Mar. 25, 2014
8674669 Switching regulator with a single inductor in a multiple output power supply configuration Mar. 18, 2014
8669743 Direct current electric power system with active damping Mar. 11, 2014
8664922 Snubber circuit Mar. 4, 2014
8654552 Interleaved type power factor correction circuit having transformer forming separated winding structure Feb. 18, 2014
8653801 Wide input voltage range power factor correction circuit Feb. 18, 2014
8653800 Step-up switching power supply device with current-limiting transistor Feb. 18, 2014
8649194 Electro-magnetic interference reduction circuit for power converters and method thereof Feb. 11, 2014
8648497 Photovoltaic power plant with distributed DC-to-DC power converters Feb. 11, 2014
8643352 Switching power supply control with reduced harmonic frequency fluctuations Feb. 4, 2014
8643350 Self-driven synchronous rectification boost converter having high step-up ratio Feb. 4, 2014
8643160 High voltage and high power boost converter with co-packaged Schottky diode Feb. 4, 2014
8638075 Apparatus and method for recovery of wasted power from differential drivers Jan. 28, 2014
8633766 Pseudo-envelope follower power management system with high frequency ripple current compensation Jan. 21, 2014
8629666 Dynamic control parameter adjustment in a power supply Jan. 14, 2014
8629661 Bidirectional DC-DC converter and control method thereof Jan. 14, 2014
8629660 Critical conduction resonant transition boost power circuit Jan. 14, 2014
8624566 Current-mode control switching regulator and operations control method thereof Jan. 7, 2014
8624429 Single-inductor-multiple-output regulator with auto-hopping control and the method of use Jan. 7, 2014
8618783 DC-DC converter with adaptive phase compensation controller Dec. 31, 2013
8618778 Circuit and method for coupling electrical energy to a resonated inductive load Dec. 31, 2013
8618747 Power factor correction circuit and driving method thereof Dec. 31, 2013
8610423 Low noise external enable switcher control signal using on-chip switcher Dec. 17, 2013
8610416 Self-driven synchronous rectification boost converter Dec. 17, 2013
8604764 Switching power supply device and a semiconductor integrated circuit Dec. 10, 2013
8604637 Method for high voltage bus control in fuel cell vehicles Dec. 10, 2013
8598933 Input current shaping for transition and discontinuous mode power converter Dec. 3, 2013
8598856 Power supply switching and discontinuous power supply mode Dec. 3, 2013
8593115 Bidirectional power converters Nov. 26, 2013
8593113 Supercapacitor backup power supply with bi-directional power flow Nov. 26, 2013
8587282 Integrated circuit device for switching regulator having the same clock frequency as the switching frequency Nov. 19, 2013
8587152 Sequential shunt regulator with analog fill control Nov. 19, 2013
8581637 Low-power, low-latency power-gate apparatus and method Nov. 12, 2013
8581562 SIDO power converter and driving method thereof Nov. 12, 2013
8575908 Voltage regulator including constant loop gain control Nov. 5, 2013
8575875 Control device for voltage converter, vehicle equipped with the same, and control method for voltage converter Nov. 5, 2013
8570006 Device and method for controlling a buck-boost converter Oct. 29, 2013
8564992 Power factor correction device and method with off time prediction for critical mode operation Oct. 22, 2013
8564982 Interleaved power factor compensation circuit controller Oct. 22, 2013
8564270 On-time compensation for switching power converters Oct. 22, 2013
8564269 Systems and methods for scaling a signal in a power factor correction circuit Oct. 22, 2013

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