Abstract: A battery-powered device includes a baseband modem, configured to receive or send data according to a first operational mode, wherein the data correspond to a software application being executed on the battery-powered device; and a processor, configured to determine a resource requirement of the software application; and send a signal representing the determined resource requirement to the baseband modem; wherein the baseband modem is further configured to change from the first operational mode to a second operational mode based on the signal.

Abstract: An interface card includes a circuit board, a device mounted on the circuit board, and a PMIC mounted on the circuit board. The PMIC includes a PMIC processor communicatively coupled to a host processor of a host system. The PMIC processor is configured to receive an input voltage signal from a power supply that is external to the interface card. The PMIC processor generates at least one output voltage signal based on the input voltage signal. The at least one output voltage signal is supplied to the device. A power enable signal originating from the host processor is detected. The power enable signal is detected at a GPIO connector of the PMIC. The PMIC processor deactivates generation of the at least one output voltage signal based on the power enable signal.

Abstract: Particular embodiments described herein provide for an electronic device that includes two or more displays and a BIOS. On startup, before the premem state and MRC initialization of the boot process, the BIOS causes power to be enabled to two or more displays. A display engine determines if a hot plug for each display is asserted and for each display where the hot plug was not asserted, the path to the display where the hot plug was not asserted is closed. In an example, the BIOS communicates the signal to power enable the first display and the second display after general-purpose input/output initialization during the boot process. After the premem stage and MRC initialization are completed, the first display and the second display are both configured to begin to display pixels.

Abstract: A computing device includes a plurality of baseband processing circuitries. Each baseband processing circuitry of the plurality of baseband processing circuitries is configured to process signals for reception or transmission using a communication standard of a corresponding plurality of communication standards. The computing device further includes an application processor coupled to the plurality of baseband processing circuitries. The application processor is configured to determine a bandwidth of an application executing on the application processor of the computing device, determine a plurality of latencies associated with each baseband processing circuitry of the plurality of baseband processing circuitries, and select a baseband processing circuitry of the plurality of baseband processing circuitries to process transmit or receive data of the application based on the bandwidth and the plurality of latencies.

Abstract: Example systems, apparatus, articles of manufacture, and methods to improve audio quality based on load impedance sensing are disclosed. An example apparatus disclosed herein is to cause at least one test signal to be output to an audio device, a voltage of the at least one test signal based on a default load impedance. The example apparatus disclosed herein is to execute the instructions to measure a current drawn by the audio device based on the at least one test signal. The example apparatus disclosed herein is to execute the instructions to change the voltage based on an impedance profile, the impedance profile based on the measured current.

Abstract: Systems, apparatus, articles of manufacture, and methods for external display power loss detection and sleep state recovery are disclosed. Example apparatus disclosed herein include first circuitry to set an output of the first circuitry to a first logic value after a determination that a compute device is to enter a sleep state, and set the output to a second logic value after a determination that the compute device is to exit the sleep state. Disclosed example apparatus also include second circuitry to switch control of a hot plug detect (HPD) input of high-definition multimedia interface (HDMI) circuitry between an output of power loss sensing circuitry and an HPD line of an HDMI port of the HDMI circuitry based on the output of the first circuitry.

Abstract: Various principles and methods are described herein to improve wireless communication in a user computing device. Certain aspects of the disclosure describe management of wireless transmissions relative to various regulations related to a specific absorption rate. Other aspects of the disclosure relate to detection of user proximity to a transmitting antenna. Other aspects relate to alternative strategies to improve wireless communication, such as selection of alternate antennas or baseband modems, or changes in device orientation.

Abstract: Embodiments herein relate to a module which can be inserted into or removed from a computing device by a user. The module includes an input-output port which is configured for a desired specification, such as USB-A, USB-C, Thunderbolt, DisplayPort or HDMI. The port can be provided on an expansion card such as an M.2 card for communicating with a host platform. The host platform can communicate with different types of modules in a standardized way so that complexity and costs are reduced. In another aspect, with a dual port module, the host platform can concurrently send/receive power through one port and send/receive data from the other port.

Abstract: Systems, apparatuses and methods may provide for technology that includes a Peltier module and a subsystem thermally coupled and electrically coupled to the Peltier module, the subsystem to monitor an operational state of the subsystem, place the Peltier module in a first power mode if the operational state indicates that a demand spike exists with respect to the subsystem, and place the Peltier module in a second power mode if the operational state indicates that the demand spike does not exist with respect to the subsystem, wherein the second power mode is associated with a lower level of system power consumption than the first power mode.

Abstract: Techniques and mechanisms for improving an efficiency of power delivery resources. In one embodiment, switch circuitry is operated based on an indication from an integrated circuit (IC) die that circuitry of the IC die is ready to accommodate a low power state which disables a delivery of power to the IC die by a voltage regulator (VR). The switch circuitry is operated, based on a control signal is also used to disable said power delivery, to disable or otherwise prevent one or more conductive paths which are each between a respective two of a battery pack, a voltage regulator, or a battery charger. In another embodiment, the low power state enable a rail for circuitry which is to provide a real time clock signal to the IC die, but disables any other rails which power the IC die.

Abstract: Systems, apparatuses and methods may provide for power adapter technology that includes an adapter plug having a housing, a plurality of contacts positioned within the housing, wherein the plurality of contacts includes one or more configuration channel contacts, and a piezoelectric membrane positioned on an external surface of the housing, wherein the piezoelectric membrane is electrically connected to the one or more configuration channel contacts. Additionally, sink device technology may detect a signal from the piezoelectric membrane of the adapter plug via the configuration channel contact(s), wherein the signal indicates user contact with the adapter plug, and disconnect a bulk capacitor from a receptacle adjacent to the adapter plug in response to a disconnect condition associated with the user contact.

Abstract: Embodiments herein relate to a power monitor that can be used to dynamically change a power level of an electronic device and/or operational settings of a processor of the electronic device. Specifically, the power monitor may be configured to identify “droop” of power, and logic to update the power level and/or operational settings in accordance with identification of the droop. Other embodiments may be described and claimed.

Abstract: Systems, apparatuses and methods may provide for technology that configures a computing system to be a power sink from an external display, detects an alternating current (AC) power failure with respect to the external display, and configures the computing system to be a power source for the external display in response to the AC power failure. In one example, the technology places the external display in a low power state after the AC power failure is detected.

Abstract: USB ports such as Type-C USB-C ports in a personal computer (PC) or other computing device may be configured in dual-role port (DRP) mode. The DRP mode may provide the ability for a port to switch between providing power to an external device and receiving power from an external power source to the into the computing device. The voltage level received from an external power source is typically higher than the voltage level provided to an external device. When a USB device fails, it may apply the higher voltage level to an external device, which may cause the external device to fail. A voltage sense and device detection circuit which may be used to detect an internal failure and prevent a higher internal voltage to be applied to a USB device.

Abstract: Embodiments herein relate to avoiding damage to a transistor in a power-sinking device that receives power from an external power source via a Universal Serial Bus port. In one aspect, a controller of the device sets a current limit to a reduced level during a wait period after the external power source is connected to the power-sinking device. The wait period avoids damage to the transistor by allowing its input and output voltages to equalize before the current is increased. Upon expiration of the wait period, the current limit is increased to a level negotiated with the external power source. Other aspects involve considering a sleep or low/dead battery state of the power-sinking device. The current limit can be set by programming a current limit of a battery charger coupled to between the transistor and a power bus of the device.

Abstract: M.2 Universal Flash Storage (UFS) and combined UFS/PCIe cards are described herein. In one example, the same M.2 interface is reused on the main board of laptop for supporting both PCIe SSD and UFS storage. One M.2 socket can accommodate a UFS Add-In-Card, a combined PCIe/UFS card, and/or a PCIe SSD. In one example, an M.2 UFS card includes a printed circuit board (PCB), an edge to be received by an M.2 connector, conductive contacts at the edge to couple with contacts of the M.2 connector, a UFS storage device, and UFS signal lines between the conductive contacts and the UFS storage device.

Abstract: An electronic system has a printed circuit board and a substrate. The substrate has two sides, a top and bottom. At least one memory unit is connected to the bottom side of the substrate and at least one processor is connected to the top side of the substrate. The memory is connected to the processor with interconnects that pass through the substrate.

Abstract: An apparatus can include universal serial bus type C (USB-C) connection circuitry. The apparatus can also include input/output (I/O) circuitry coupled to the USB-C connection circuitry. The I/O circuitry can receive a power signal over the USB-C connection circuitry. The apparatus can include baseband circuitry to initiate wireless wide area network (WWAN) communication responsive to receiving a wake signal from the I/O circuitry. The WWAN communication can include messages received from the USB-C connection circuitry. Other apparatuses, systems, and methods are described.

Abstract: An apparatus comprises a circuit board comprising a connector in or on the circuit board. The apparatus is to be coupled to a bus via the connector. The apparatus comprises first circuitry to communicate with a processor via the connector and bus, second circuitry to detect a utilization state of the first circuitry, determine, based on the detected utilization state of the first circuitry, a level of current to be conducted with the connector; and generate a signal indicating of whether the level of current exceeds a threshold current capacity of the connector, and third circuitry to select a first operational mode from among multiple operational modes. The first circuitry is to operate in any of the multiple operational modes responsive to the third circuitry. Additional circuitry may be provided to identify a voltage level capability of the apparatus and to configure voltage level shifting circuitry connected to the bus.

Abstract: A battery-powered device includes a baseband modem, configured to receive or send data according to a first operational mode, wherein the data correspond to a software application being executed on the battery-powered device; and a processor, configured to determine a resource requirement of the software application; and send a signal representing the determined resource requirement to the baseband modem; wherein the baseband modem is further configured to change from the first operational mode to a second operational mode based on the signal.