Integrated Device Tech Patent Applications

APPARATUSES AND RELATED METHODS FOR COMMUNICATION WITH A WIRELESS POWER RECEIVER

Granted: July 30, 2015
Application Number: 20150215006
A wireless power enabled apparatus may comprise a wireless power receiver that includes a receive coil configured to generate an AC power signal responsive to a wireless power signal, a rectifier including a plurality of switches configured to receive the AC power signal and generate a DC rectified power signal, a regulator operably coupled with the regulator to receive the DC rectified power signal and generate an output power signal, and control logic configured to generate a…

APPARATUSES AND METHODS FOR OVER-CURRENT PROTECTION OF DC-DC VOLTAGE CONVERTERS

Granted: June 18, 2015
Application Number: 20150171737
A peak current protection circuit includes a current sensing circuit configured to sense an operating current of a DC-DC converter, and an over-current detector operably coupled with the current sensing circuit. The over-current detector is configured to generate an over-current detect signal at a peak current limit that is that is independent of a voltage level of an output signal of the DC-DC converter. A method for providing over-current protection for a DC-DC converter includes…

METHODS AND APPARATUSES FOR A UNIFIED COMPRESSION FRAMEWORK OF BASEBAND SIGNALS

Granted: June 4, 2015
Application Number: 20150156284
A method and apparatus provides a parameter estimation processor configured to estimate parameters used to compress data for transmission over a serial data link. The parameter estimation processor includes a processor. The processor includes user programmable inputs. The user programmable inputs set an input data packet length, a target compression ratio, and a resampling factor and allow filter parameters to be set. Input data information is received from an input data buffer of a data…

MULTIMODE WIRELESS POWER TRANSMITTERS AND RELATED METHODS

Granted: April 9, 2015
Application Number: 20150097438
A wireless power transmitter comprises a bridge inverter configured to receive a DC power signal and generate an AC power signal according to an operating frequency, a resonant tank configured to receive the AC power signal and generate an electromagnetic field responsive thereto, and control logic configured to cause the resonant tank to reconfigure and adjust its resonant frequency for a particular receiver type of a wireless power receiver with which a mutual inductance relationship…

MULTIMODE WIRELESS POWER RECEIVERS AND RELATED METHODS

Granted: February 5, 2015
Application Number: 20150035372
A wireless power receiver comprises a resonant tank configured to generate an AC power signal responsive to an electromagnetic field, a rectifier configured to receive the AC power signal and generate a DC output power signal, and control logic configured to control the resonant tank to reconfigure and adjust its resonant frequency responsive to a determined transmitter type of a wireless power transmitter. The control logic may operate the wireless power receiver as a multimode receiver…

APPARATUSES AND RELATED METHODS FOR MODULATING POWER OF A WIRELESS POWER RECEIVER

Granted: September 18, 2014
Application Number: 20140265610
A wireless power enabled apparatus may comprise a wireless power receiver that includes a receive coil configured to generate an AC signal responsive an electromagnetic field, a rectifier including a plurality of switches configured to receive the AC signal and generate an output power signal, and control logic configured to control the plurality of switches to cause the rectifier to modulate the output power signal. The control logic may be configured to control the plurality of…

APPARATUSES AND RELATED METHODS FOR CHARGING CONTROL OF A SWITCHING VOLTAGE REGULATOR

Granted: September 18, 2014
Application Number: 20140266010
Charging systems and related methods are disclosed for switching voltage regulators. A charging controller may be configured to generate a control signal indicating a first level of an output current generated by a switching voltage regulator for charging an energy storage device, determine that an output voltage exceeded a predetermined threshold, and generate the control signal indicating a new level of the output current that is reduced from the first level. A method of controlling…

APPARATUSES AND METHODS FOR OVER-TEMPERATURE PROTECTION OF ENERGY STORAGE DEVICES

Granted: September 18, 2014
Application Number: 20140266015
A charging system includes a temperature sensor to generate a temperature signal responsive to a temperature of an energy storage device. A circuit temperature sensor generates a circuit temperature signal responsive to a temperature of a semiconductor device. A charge adjuster generates a desired current signal responsive to the temperature signal and the circuit temperature signal. A comparator compares a charge-current level signal to the desired current signal to generate a charge…

METHODS AND APPARATUSES FOR SLEW RATE ENHANCEMENT OF AMPLIFIERS

Granted: September 18, 2014
Application Number: 20140266449
A circuit is disclosed to enhance slew rate of an amplifier. An amplifier includes an output, a first input, and a second input in a differential pair configuration. A slew rate enhancer includes a first slew rate enhancer and a second slew rate enhancer. The first slew direction enhancer is configured to detect a first slew rate condition in a first direction responsive to the first input and the second input and provide additional current for a first side of the differential pair of…

MONOLITHIC CLOCK GENERATOR AND TIMING/FREQUENCY REFERENCE

Granted: September 11, 2014
Application Number: 20140253256
A periodic signal generator includes a resonant LC tank circuit that generates a periodic reference signal at a first frequency at a differential output thereof. A temperature-responsive frequency compensation module is electrically coupled to the differential output of the resonant LC tank circuit. This module includes a temperature dependent voltage control module that generates a temperature dependent control voltage and an array of switchable capacitive modules that is electrically…

WIRELESS POWER TRANSMITTER HAVING LOW NOISE AND HIGH EFFICIENCY, AND RELATED METHODS

Granted: May 15, 2014
Application Number: 20140132077
A wireless power transmitter comprises a bridge inverter including a first switch and a second switch coupled together with a first switching node therebetween, and a first capacitor coupled to the first switching node. The transmitter further includes control logic configured to control the first switch and the second switch according to an operating frequency to generate an AC power signal from a DC power signal, and a resonant tank operably coupled to the first switching node of the…

TRANSMISSION OF MULTIPROTOCOL DATA IN A DISTRIBUTED ANTENNA SYSTEM

Granted: March 20, 2014
Application Number: 20140079037
In a distributed antenna system (DAS) and a local area network (LAN), a common communication infrastructure distributes data from radio-based and Internet-based sources. A radio equipment (RE) of the DAS interfaces to a LAN segment. For the downlink, a gateway maps radio signal data from a radio equipment controller (REC) and data packets from a switch to mixed-data frames using a radio data interface protocol for transmission in the DAS. At the RE, the signal data and data packets are…

Low Stress Package For an Integrated Circuit

Granted: January 30, 2014
Application Number: 20140027890
A package that electrically connects an integrated circuit to a printed circuit board includes a frame and a package body that encases a portion of the frame and the integrated circuit. The frame includes a mounting region that is connected to the printed circuit board, and a cantilevering region that cantilevers away from the mounting region. The cantilevering region retains the integrated circuit in a flexible fashion.

APPARATUSES AND SYSTEM AND METHOD FOR AUTO-CONFIGURATION OF A POWER CONTROL SYSTEM

Granted: October 24, 2013
Application Number: 20130278234
Power control systems and power control devices may include a power control chip having a power control module configured to generate a power stage control signal, and an external power stage having a timing control module. The timing control module may be configured to receive the power stage control signal and generate a timing control signal controlling at least one switch to regulate an output voltage of the external power stage. The power control device further includes an…

APPARATUSES AND SYSTEM HAVING SEPARATE POWER CONTROL AND TIMING CONTROL OF A POWER CONTROL SYSTEM AND RELATED METHOD

Granted: October 10, 2013
Application Number: 20130265022
Power control systems and power control devices may include a power control chip having a power control module configured to generate a power stage control signal, and at least one power stage having a timing control module that is physically separate from the power control module. The timing control module may be configured to receive the power stage control signal and generate a timing control signal controlling at least one switch to regulate an output voltage of the at least one…

APPARATUS, SYSTEM, AND METHOD FOR DETECTING A FOREIGN OBJECT IN AN INDUCTIVE WIRELESS POWER TRANSFER SYSTEM VIA COUPLING COEFFICIENT MEASUREMENT

Granted: October 3, 2013
Application Number: 20130257165
An inductive wireless power device comprises a transmitter configured to generate an electromagnetic field to a coupling region for wireless power transfer to a receiver, and control logic configured to determine a coupling coefficient of the wireless power transfer when the receiver is within the coupling region. The control logic also determines a presence of a foreign object within the coupling region responsive to a comparison of the determined coupling coefficient and an expected…

APPARATUSES, SYSTEMS, AND METHODS FOR POWER TRANSFER ADJUSTMENT IN WIRELESS POWER TRANSFER SYSTEMS

Granted: October 3, 2013
Application Number: 20130257167
A wireless power-transfer system includes a power-transmitting device and a power-receiving device. The power-transmitting device includes, a frequency generator for generating a power-transmit frequency and a transmit coil for generating a near-field electromagnetic radiation responsive to the power-transmit frequency. The power-receiving device, includes a receive resonance circuit that generates a receive resonance frequency and includes a receive coil for receiving the near-field…

APPARATUS, SYSTEM, AND METHOD FOR DETECTING A FOREIGN OBJECT IN AN INDUCTIVE WIRELESS POWER TRANSFER SYSTEM BASED ON INPUT POWER

Granted: October 3, 2013
Application Number: 20130257168
An inductive wireless power transfer system comprises a transmitter configured to generate an electromagnetic field to a coupling region for providing energy transfer to a wireless power receiving apparatus. The transmitter includes control logic configured to determine a power component of the transmitter, and determine a presence of a foreign object within the coupling region in response to a comparison of the power component and a desired threshold for the power component. Related…

APPARATUSES HAVING DIFFERENT MODES OF OPERATION FOR INDUCTIVE WIRELESS POWER TRANSFER AND RELATED METHOD

Granted: October 3, 2013
Application Number: 20130257360
An inductive wireless power enabled device may comprise a transceiver including a plurality of switches coupled with a resonant tank, and control logic configured to drive the plurality of switches to operate the resonant tank in one of a transmit mode and a receive mode. Another inductive wireless power enabled device may comprises a transceiver including a plurality of switches coupled with a resonant tank. The transceiver may be configured to both transmit a wireless power signal…

APPARATUSES AND METHODS RESPONSIVE TO OUTPUT VARIATIONS IN VOLTAGE REGULATORS

Granted: October 3, 2013
Application Number: 20130257402
A voltage regulator includes an amplifier to generate a difference voltage responsive to a comparison of a reference voltage and a feedback voltage. An output driver is coupled to the amplifier and drives a regulated output voltage responsive to the difference voltage. An impedance circuit is coupled between the output driver and a low power source and establishes the feedback voltage responsive to a current through the impedance circuit. A variation detector is operably coupled between…