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Dialog Semiconductor Inc patents


Recent patent applications related to Dialog Semiconductor Inc. Dialog Semiconductor Inc is listed as an Agent/Assignee. Note: Dialog Semiconductor Inc may have other listings under different names/spellings. We're not affiliated with Dialog Semiconductor Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "D" | Dialog Semiconductor Inc-related inventors


 new patent  Short circuit protection for data interface charging

A switching power converter is provided with an overvoltage protection circuit that monitors the differential data signal voltages in a data interface such as a USB data interface powering a load device to detect soft short conditions.... Dialog Semiconductor Inc

Short circuit and soft short protection for data interface charging

A switching power converter is provided that communicates with a mobile device to receive a value of a load detection current. The switching power converter adjusts the cycling of a power switch until a constant current mode of operation is entered with a known output current driving the mobile device.... Dialog Semiconductor Inc

Switching power converter for direct battery charging

A direct charging method is provided that alerts a mobile device when a switching power converter is operating in a constant-current mode to alert the mobile device of an output current without the use of a secondary-side current sense resistor.... Dialog Semiconductor Inc

Auxiliary load application for increasing data rate of messages or for increasing the response speed to transmitted messages in a flyback converter

A system and method of controlling the data transfer rate of a switching power converter when the switching frequency is below a desired level by using an auxiliary load to at least maintain output regulation.... Dialog Semiconductor Inc

Auxiliary winding ground fault detection for isolated dc/dc converter

A flyback converter is provided with a controller that is configured to analyze the reflected feedback voltage waveforms to determine the presence of a ground connection fault for the auxiliary winding.... Dialog Semiconductor Inc

Switching power converter with efficient vcc charging

A switching power converter controller is provided that includes a VCC charging switch transistor coupled between a drain of a power switch transistor and a storage capacitor.... Dialog Semiconductor Inc

Arbitrary pulse alignment to reduce led flicker

An arbitrary alignment is provided for a series of pulses controlling a switch that in turn controls a current in an LED. Each pulse is generated according to a target time responsive to a reference time in a corresponding cycle of a synchronization clock. Each pulse has a leading portion... Dialog Semiconductor Inc

Usb data pin impedance detection

A device for determining impedance at a data pin of a communication interface. In one embodiment, the device includes a current source configured to selectively inject a test current to the data pin. The device also includes a sensing circuit for sensing a first test voltage corresponding to a voltage... Dialog Semiconductor Inc

Isolated switching power converter with data communication between primary and secondary sides

An isolated switching power converter is provided wherein a secondary side is valley mode switched to transmit data to a primary side. This provides secondary side regulation without the need for an optocoupler. Data communication between the primary and secondary sides of switching power converters is presented.... Dialog Semiconductor Inc

Multi-mode control for solid state lighting

A multi-mode control scheme for an LED lamp system uses the detected firing angle of an AC input voltage waveform to select from multiple regulation modes. In operation, a current controller compares the detected firing angle to one or more specified thresholds and selects the appropriate regulation scheme based on... Dialog Semiconductor Inc

Method and powering an electronic device

A method of monitoring a process of powering an electronic device through a cable assembly is proposed. The cable assembly comprises a cable which is connected between a power supply and the electronic device. The method comprises generating a synchronization signal, generating a test signal based on the synchronization signal... Dialog Semiconductor Inc

Powering internal components of led lamps using dissipative sources

An LED lamp comprises one or more LEDs and an LED driver receiving an input signal from a dimmer switch indicative of an amount of dimming for the LED lamp. The LED driver controls regulated current through the one or more LEDs based on the input signal such that an... Dialog Semiconductor Inc

Switching power converter with history-based valley mode switching

History-based valley mode switching techniques and systems are provided to reduce the frequency spreading of switching noise in a switching power converter.... Dialog Semiconductor Inc

Frequency hopping for reducing switching power converter noise

A switching power converter is configured to control switching noise by implementing a plurality of pulse width modulation modes of operation. The peak current in each pulse width modulation mode of operation is controlled so that an output power for the switching power converter is continuous with regard to transitions... Dialog Semiconductor Inc

Smart grouping control power converter switching noise management

A switching power converter is provided that cycles a power switch during a group pulse mode of operation to produce a train of pulses within a group period responsive to a control voltage being within a group mode control voltage range.... Dialog Semiconductor Inc

Secondary-side dynamic load detection and communication device

A switching power converter provides regulated voltage to a load. The switching power converter comprises a transformer including a primary winding coupled to an input voltage and a secondary winding coupled to an output of the switching power converter. The switching power converter further comprises a power switch coupled to... Dialog Semiconductor Inc

Digital dimming solution for led applications including a phase-cut dimmer

A system and method for controlling a light output from a LED-based lighting solution is provided that may receive phase-cut AC signals and/or external digital control signals. The invention is capable of receiving both a phase-cut AC signal and an external digital control signal simultaneously and providing a desired light... Dialog Semiconductor Inc

Single stage switching power converter with improved primary only feedback

A switching power converter is provided that extrapolates from a reference voltage during dead periods of a rectified input voltage as determined from a comparison of an Isense voltage to a current threshold.... Dialog Semiconductor Inc

Adaptive cable drop compensation

A power supply control system delivers regulated power to a load via a delivery cable. The power supply control system includes a power stage operable to deliver power to the load at a first regulated voltage level and a second regulated voltage level. A cable offset voltage unit generates an... Dialog Semiconductor Inc

Adaptive synchronous rectifier control

A switching power converter may include a power switch coupled to a primary winding of a transformer, and a primary controller configured to turn on and off the power switch, a synchronous rectifier switch coupled to a secondary winding of a transformer, and a synchronous rectifier controller configured to turn... Dialog Semiconductor Inc

Mosfet driver with reduced power consumption

A power supply can be operated in a low power mode by adjusting the pulses provided to a power supply switch until a pulse resulting in a reduced amount of power that exceeds a minimum power threshold required by a load coupled to the power supply switch is identified. For... Dialog Semiconductor Inc

Arbitrary pulse alignment to reduce led flicker

An arbitrary alignment is provided for a series of pulses controlling a switch that in turn controls a current in an LED. Each pulse is generated according to a target time responsive to a reference time in a corresponding cycle of a synchronization clock. Each pulse has a leading portion... Dialog Semiconductor Inc

High power factor power converters with adaptive output voltage limits for fast dynamic load response

A switching power converter is provided that switches between low-bandwidth PI control and a high-speed control of an output voltage responsive to comparing the output voltage to an upper output voltage limit and to a lower output voltage limit. The switching power converter adapts the upper and lower voltage limits... Dialog Semiconductor Inc








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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. Freshpatents.com is not affiliated or associated with Dialog Semiconductor Inc in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Dialog Semiconductor Inc with additional patents listed. Browse our Agent directory for other possible listings. Page by FreshPatents.com

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