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Class Information
Number: 323/908
Name: Electricity: power supply or regulation systems > Inrush current limiters
Description: Art collection of disclosures including a component or circuit to limit, prevent, or lessen the initial surge of current that accompanies equipment turn-on.

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8711580 Resonant conversion system with over-current protection processes Apr. 29, 2014
8711587 Power converter with a variable reference voltage and inrush current limiting Apr. 29, 2014
8693216 Switch control device, power supply device including the same, and switch control method Apr. 8, 2014
8670251 Regulating apparatus with soft-start and fast-shutdown function Mar. 11, 2014
8638575 High voltage startup circuit Jan. 28, 2014
8633751 Centralized power gating control for partitioned power gates Jan. 21, 2014
8630104 Switching power supply and display device provided the same Jan. 14, 2014
8624569 Voltage regulator Jan. 7, 2014
8625317 Isolated switch-mode power supply device Jan. 7, 2014
8593120 Voltage regulator Nov. 26, 2013
8593215 Power gating for in-rush current mitigation Nov. 26, 2013
8581637 Low-power, low-latency power-gate apparatus and method Nov. 12, 2013
8576594 Soft starter for phase-shifting autotransformer AC-DC power converter Nov. 5, 2013
8570778 Power converter with a single diode rectifier and a filter Oct. 29, 2013
8542506 Method and apparatus for controlling the power of a transformer using a soft start circuit Sep. 24, 2013
8472216 Circuit arrangement and control circuit for a power-supply unit, computer power-supply unit and method for switching a power-supply unit Jun. 25, 2013
8471546 Time constant circuit, switch circuit, DC/DC converter, and display device Jun. 25, 2013
8456867 Start-up procedure for an isolated switched mode power supply Jun. 4, 2013
8446744 Method for controlling a switching device of a resonant power converter, especially in order to provide a required power, especially for an X-ray generator May. 21, 2013
8416004 Circuit module for limiting occurrence of inrush current Apr. 9, 2013
8354826 Integrated device with AC to DC conversion function and integrated circuit using same Jan. 15, 2013
8319539 In-rush/out-rush current limiting circuit and devices containing same Nov. 27, 2012
8299765 Power supply control device and power supply control method Oct. 30, 2012
8294447 Advanced slope injection for input current limiting of switch-mode DC/DC converter Oct. 23, 2012
8242760 Constant-voltage circuit device Aug. 14, 2012
8237420 Inrush current suppressing circuit and electronic device using the same Aug. 7, 2012
8228052 Method and circuit for low power voltage reference and bias current generator Jul. 24, 2012
8213196 Power supply circuit with protecting circuit having switch element for protecting pulse width modulation circuit Jul. 3, 2012
8193791 Maximum output power control of a flyback converter Jun. 5, 2012
8179704 Electronic device having a circuit protection unit May. 15, 2012
8169207 Power supply device including a clamping portion to limit and error voltage and electronic appliance provided therewith May. 1, 2012
8149602 Method and apparatus for detecting end of start up phase Apr. 3, 2012
8134350 Device for precharging a voltage converter, and an assembly and aircraft including such a device Mar. 13, 2012
8125194 Laptop computer storage and battery charging systems and methods including transient current inrush limiter Feb. 28, 2012
8102160 Saturation preventing power factor improving method and apparatus Jan. 24, 2012
8026707 Circuit system and method for reducing an in-rush current Sep. 27, 2011
8022682 Method to reduce inrush voltage and current in a switching power converter Sep. 20, 2011
7990121 Synchronous rectification switching regulator, control circuit thereof, and method of controlling the operation thereof Aug. 2, 2011
7940107 Clamp circuit for clamping inrush voltage induced by hot plugging and related chip May. 10, 2011
7936158 Switching regulator configured to detect and shutdown reverse current May. 3, 2011
7924581 High voltage start-up circuit with constant current control Apr. 12, 2011
7855535 Inrush current control Dec. 21, 2010
7809408 Method and system for a power switch with a slow in-rush current Oct. 5, 2010
RE41766 Self-driven synchronous rectified boost converter with inrush current protection using bidirectional normally on device Sep. 28, 2010
7777368 Redundant power supply with pulse width modulation soft start feature Aug. 17, 2010
7768339 Voltage regulator Aug. 3, 2010
7733030 Switching power converter with controlled startup mechanism Jun. 8, 2010
7719863 Active start judgment circuit May. 18, 2010
7705578 Switching regulator Apr. 27, 2010
7675278 Power distribution current limiting switch including a current limit blanking period providing a burst of current Mar. 9, 2010

1 2 3 4 5 6

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