SYSTEMS, METHODS, AND DEVICES FOR FAST WAKEUP OF DC-DC CONVERTERS INCLUDING FEEDBACK REGULATION LOOPS
Granted: March 5, 2020
Application Number:
20200076294
Systems, methods, and devices implement direct current (DC)-DC converters having fast wake up times and low ripple effects. Methods include determining a DC-DC converter is to be transitioned from an operational mode to a low power mode, and storing a voltage at an input of a comparator coupled to an input of a charge pump, the voltage being stored in a feedback capacitor of a feedback regulation loop. The methods further include uncoupling a voltage trimming circuit from the input of…
Method and apparatus for discriminating between user interactions
Granted: February 27, 2020
Application Number:
20200064962
Described herein is a car entertainment and navigation system that includes a user interface controller, a detecting circuit, and a selection circuit. The detecting circuit includes a selection circuit, capacitance-sensing circuitry to determine a location of a touch proximate to one or more electrodes of the touch screen display based on capacitance measurements of a plurality of electrodes of the touch screen made during a first mode of operation of the detecting circuit, and…
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME
Granted: February 20, 2020
Application Number:
20200058610
A semiconductor device includes a semiconductor chip, a bump contract, and encapsulating layer, an insulating layer, and a connection terminal.
SYSTEMS AND METHODS FOR ESTIMATING ANGLE OF ARRIVAL IN A WIRELESS DEVICE
Granted: February 20, 2020
Application Number:
20200057130
An example method of a wireless device includes, determining a first attribute value of a first radio frequency (RF) signal received through a first antenna during a first period, determining a first attribute value of a second RF signal received through the first antenna during a second period, determining a second attribute value of the first RF signal received through a second antenna during the first period, and determining a second attribute value of the second RF signal received…
Touch Surface Scanning Method and Device
Granted: February 6, 2020
Application Number:
20200042139
A device acquires first sense data representing first electrical signals sensed from a first subset of a plurality of sensors of a touch surface. The device acquires second sense data representing second electrical signals sensed from a second subset of the plurality of sensors. The device detects a first set of one or more touches based on the first sense data and the second sense data. After the acquiring of the first sense data, the device acquires third sense data representing third…
SYSTEM AND METHOD TO MEASURE CAPACITANCE OF CAPACITIVE SENSOR ARRAY
Granted: January 9, 2020
Application Number:
20200012365
A system and method for determining position information. The method includes selecting a column, a first row, and a second row of a capacitive sensor array. The first row and second row intersect with the column of the capacitive sensor array. The method further includes measuring a differential capacitance between the first row and the second row and utilizing the differential capacitance in determining a location of an object proximate to the capacitive sensor array.
FINGERPRINT SENSOR PATTERN
Granted: January 2, 2020
Application Number:
20200005009
An example system drives one or more transmit signals on first electrodes disposed in a first layer and propagating electrodes disposed in a second layer. The system measures a capacitance of sensors through a of second electrodes. Each second electrode crosses each first electrode to provide a plurality of discrete sensor areas, each discrete sensor area associated with a difference crossing and including a portion of at least one propagating electrode. Each second electrode is…
TRAFFIC COEXISTENCE FOR COLLOCATED TRANSCEIVERS INCLUDING BLUETOOTH TRANSCEIVERS
Granted: January 2, 2020
Application Number:
20200008213
Systems, methods, and devices enable coexistence of traffic for collocated transceivers. Methods may include generating, using a processing device, a medium access schedule for at least a first transceiver based on a transmission parameter of a second transceiver, the second transceiver being collocated with the first transceiver and sharing a transmission medium with the first transceiver, and the medium access schedule comprising a QuietIE schedule. Methods may also include identifying…
SYSTEM AND METHODS FOR LOW POWER CONSUMPTION BY A WIRELESS SENSOR DEVICE
Granted: January 2, 2020
Application Number:
20200007183
An example system and method operate a wireless device in a first mode with power to operate a communication resource of the wireless device turned off. While operating the wireless device in the first mode, the system and method detects a voice attribute in a first portion of audio data, the audio data based on microphone input. Responsive to the detection of the voice attribute, the system and method transitions to the wireless device to operate in a second mode with power to operate…
Half-bridge Fingeprint Sensing Method
Granted: January 2, 2020
Application Number:
20200005011
Fingerprint detection circuits with common mode noise rejection are described. The Fingerprint detection circuit includes a half-bridge circuit coupled to a receive (RX) electrode of an array of fingerprint detection electrodes and to a buried capacitance that is unalterable by the presence of a conductive object on the array. The fingerprint detection circuit may also include a listener electrode configured to enable common mode noise rejection through a differential input stage of a…
BEAMFORMER AND ACOUSTIC ECHO CANCELLER (AEC) SYSTEM
Granted: December 26, 2019
Application Number:
20190394338
Techniques for acoustic echo cancellation are described herein. In an example embodiment, a system comprises a speaker, a microphone array with multiple microphones, a beamformer (BF) logic and an acoustic echo canceller (AEC) logic. The speaker is configured to receive a reference signal. The BF logic is configured to receive audio signals from the multiple microphones and to generate a beamformed signal. The AEC logic is configured to receive the beamformed signal and the reference…
CURRENT CONTROL AND PROTECTION FOR UNIVERSAL SERIAL BUS TYPE-C (USB-C) CONNECTOR SYSTEMS
Granted: December 26, 2019
Application Number:
20190393694
A system includes a power switch configured to receive a voltage on a first terminal. The first terminal is coupled to a voltage regulator. The power switch is also configured to provide the voltage to a second terminal. The second terminal is coupled to a VBUS terminal of a Universal Serial Bus Type-C (USB-C) connector. The system also includes a USB controller coupled to the power switch and to the first terminal and the second terminal. The the USB controller is configured to detect a…
VOLTAGE PROTECTION FOR UNIVERSAL SERIAL BUS TYPE-C (USB-C) CONNECTOR SYSTEMS
Granted: December 26, 2019
Application Number:
20190393655
An electronic device includes a first switch configured to connect a first sideband use (SBU) terminal of a Universal Serial Bus Type-C (USB-C) controller to a first SBU terminal of a USB-C receptacle. The electronic device also includes a second switch configured to connect a second sideband use (SBU) terminal of the USB-C controller to a second SBU terminal of the USB-C receptacle. The electronic device further includes a voltage protection circuit configured to deactivate one or more…
ASYNCHRONOUS TRANSCEIVER FOR ON-VEHICLE ELECTRONIC DEVICE
Granted: December 26, 2019
Application Number:
20190391953
An on-vehicle system comprises a Clock Extension Peripheral Interface (CXPI) bus and a device coupled to the CXPI bus as a slave node. The device comprises a transceiver configured to: generate a first signal by delaying an inverted signal of a transmission data signal; generate a second signal based on the transmission data signal, where the second signal has a low slew rate; selectively output the first signal or the second signal as a third signal, in response to a selector signal;…
USB TYPE-C SIDEBAND SIGNAL INTERFACE CIRCUIT
Granted: December 26, 2019
Application Number:
20190391950
A USB-C controller, disposed on an integrated circuit (IC), comprises a first pair of terminals to communicate with a first communication protocol that is other than USB, a second pair of terminals to communicate with a second communication protocol that is other than USB, and a third pair of terminals, each of which is to be coupled to a corresponding SBU1 terminal or SBU2 terminal of a Type-C receptacle. The USB-C controller further includes: a multiplexer to selectively couple the…
SECURED COMMUNICATION FROM WITHIN NON-VOLATILE MEMORY DEVICE
Granted: December 19, 2019
Application Number:
20190386966
An apparatus includes a non-volatile memory (NVM) device coupled to a host, the NVM device including a processing device to: receive a communication packet from a server via the host computing system that is coupled to the NVM device and communicatively coupled to the server, the communication packet comprising clear text data that requests to initiate secure communications; perform a secure handshake with the server, via communication through the host computing system, using a secure…
Memory First Process Flow and Device
Granted: December 19, 2019
Application Number:
20190386109
A semiconductor device and method of making the same are disclosed. The semiconductor device includes a memory gate on a charge storage structure formed on a substrate, a select gate on a gate dielectric on the substrate proximal to the memory gate, and a dielectric structure between the memory gate and the select gate, and adjacent to sidewalls of the memory gate and the select gate, wherein the memory gate and the select gate are separated by a thickness of the dielectric structure.…
TILTED IMPLANT FOR POLY RESISTORS
Granted: December 19, 2019
Application Number:
20190385853
A semiconductor device having a substrate, a dielectric layer, a polycrystalline silicon (“poly”) resistor, a drain, and a source is disclosed. After implantation, the poly resistor may have a lateral doping profile with two peaks, one near each edge of the poly resistor, and a trough near the middle of the poly resistor. Such a doping profile can allow the poly resistor to have a resistance that is insensitive to small variations in critical dimension of the poly resistor. The…
POWER SUPPLY ARCHITECTURE FOR USB-C TO SUPPORT ACTIVE CABLE AND DFP/UFP/DRP APPLICATIONS
Granted: November 21, 2019
Application Number:
20190354163
A power supply architecture for USB Type-C controllers is described herein. In an example embodiment, an integrated circuit (IC) controller comprises a power rail, a VDDD terminal, a VCONN terminal, and a VBUS terminal. The VDDD terminal, the VCONN terminal, and the VBUS terminal are coupled to the power rail, where a VCONN switch is coupled between the VCONN terminal and the power rail, and a VBUS regulator is coupled between the VBUS terminal and the power rail. The power rail is…
DYNAMIC VCONN SWAPPING IN DUAL-POWERED TYPE-C CABLE APPLICATIONS
Granted: October 31, 2019
Application Number:
20190332150
A semiconductor device for a USB Type-C cable includes a first terminal to couple to a first VCONN line from a first end of the cable, a second terminal to couple to a second VCONN line from the second end of the cable, a charge pump, and a switch circuit coupled to the first terminal and the second terminal. The switch circuit includes a first drain-extended n-type field effect transistor (DENFET) coupled between the first terminal and an internal power supply of the semiconductor…
