Abstract: An example non-transitory machine-readable storage medium includes instructions executable by a processing resource of an electronic device. The instructions cause the electronic device to determine that a power adapter attached to a power port of a computing device has an adapter power rating that is less than a nominal power rating of the computing device, determine a workload power demand of the computing device, and select a power source for the computing device based on the workload power demand, wherein the power source is selected from the power adapter or a battery of the computing device.

Abstract: In some examples, an electronic device comprises a processor and a power circuit coupled to the processor. The power circuit is to provide power to the processor and to measure a current drawn from the power circuit by the processor. The electronic device also comprises a voltage regulator controller coupled to the processor and the power circuit. The voltage regulator controller is to receive a current usage prediction from the processor, receive the measurement from the power circuit, compare the current usage prediction and the measurement, and, based on the comparison, drive the power circuit in accordance with the measurement instead of the current usage prediction.

Abstract: In one example in accordance with the present disclosure, an electronic device is described. An example electronic device includes a processor, a port to receive a connector of a peripheral device, and a power supply. An example power supply is to supply power to the processor and the peripheral device when connected to the electronic device. The example electronic device also includes an electronic device controller. The electronic device controller is to alter an amount of power from a first value to a second value to supply to the peripheral device based on an amount of power available from the power supply and a lower threshold power level that enables data communication from the peripheral device. The example electronic device also includes a power delivery controller. The power delivery controller is to provide the amount of power having the second value to the peripheral device based on an output from the electronic device controller.

Abstract: In some examples, an electronic device comprises a processor and a power circuit coupled to the processor. The power circuit is to provide power to the processor and to measure a current drawn from the power circuit by the processor. The electronic device also comprises a voltage regulator controller coupled to the processor and the power circuit. The voltage regulator controller is to receive a current usage prediction from the processor, receive the measurement from the power circuit, compare the current usage prediction and the measurement, and, based on the comparison, drive the power circuit in accordance with the measurement instead of the current usage prediction.

Abstract: Example implementations relate to battery swelling determinations. In some examples, an electronic device can include a battery including a first surface and a second surface, where the second surface is opposite the first surface, a first conductor located on the first surface of the battery, and a second conductor located on the second surface of the battery, where the battery is to act as a dielectric medium such that a capacitance is generated by the electronic device via the first conductor, the second conductor, and the battery.

Abstract: In some examples, an electronic device comprises a processor and a power circuit coupled to the processor. The power circuit is to provide power to the processor and to measure a current drawn from the power circuit by the processor. The electronic device also comprises a voltage regulator controller coupled to the processor and the power circuit. The voltage regulator controller is to receive a current usage prediction from the processor, receive the measurement from the power circuit, compare the current usage prediction and the measurement, and, based on the comparison, drive the power circuit in accordance with the measurement instead of the current usage prediction.

Abstract: In some examples, an electronic device includes a display panel, voltage circuitry to provide a voltage output to the display panel, and a controller. In some examples, the controller sets the voltage output of the voltage circuitry to a first voltage. In some examples, the controller obtains a first display panel power measurement at the voltage output. In some examples, the controller compares the first display panel power measurement with a second display panel power measurement. In some examples, the controller changes the voltage output to a second voltage based on the comparison.

Abstract: In one example in accordance with the present disclosure, a computing device is described. An example computing device includes an integrated circuit chip having a first pin and a second pin. The example computing device also includes a conversion circuit. An example conversion circuit assigns an output of the first pin to a first voltage range and assigns the output of the first pin to a voltage value within the first voltage range based on a logical value of the output of the first pin. The example conversion circuit also assigns an output of the second pin to a second voltage range that is different from the first voltage range and assigns the output of the second pin to a voltage value within the second voltage range based on a logical value of the output of the second pin.

Abstract: In an example, a card retainer may include a latch to removably engage with a free end of an expansion card. Further, a card retainer may include a pivot mount to attach the latch to a system board of a computing device. In some examples, the latch is movable about the pivot mount between an open position and a closed position. The latch may exert a bias force on the free end of the expansion card in order to retain the expansion card to the system board in a secure manner when the latch is disposed in the closed position.

Abstract: In one example in accordance with the present disclosure, an electronic device is described. An example electronic device a power meter to capture real-time power draw of the electronic device from a power supply. The example electronic device also includes a controller. An example controller determines (1) an average power draw over a first interval, (2) an average power draw over a second interval, and (3) an overall throttle amount for the electronic device based on the average power draw over the first interval and the average power draw over the second interval. The example electronic device also includes a throttling device to reduce the power draw of the electronic device from the power supply based on the overall throttle amount for the electronic device.

Abstract: Apparatus, systems, articles of manufacture, and methods to provide battery cell rebalancing are disclosed. An example apparatus includes a first battery cell having a first size. The apparatus further includes a second battery cell having a second size different than the first size. The apparatus further includes a first variable resistor couplable to the first battery cell. The apparatus further includes a second variable resistor couplable to the second battery cell. The apparatus further includes a sensor to determine a first internal resistance of the first battery cell, and a second internal resistance of the second battery cell. The apparatus further includes an integrated circuit to adjust a first resistance of the first variable resistor and a second resistance of the second variable resistor based on the first internal resistance and the second internal resistance.

Abstract: In one example in accordance with the present disclosure, an electronic device is described. An example electronic device a power meter to capture real-time power draw of the electronic device from a power supply. The example electronic device also includes a controller. An example controller determines (1) an average power draw over a first interval, (2) an average power draw over a second interval, and (3) an overall throttle amount for the electronic device based on the average power draw over the first interval and the average power draw over the second interval. The example electronic device also includes a throttling device to reduce the power draw of the electronic device from the power supply based on the overall throttle amount for the electronic device.

Abstract: Example implementations relate to motion based power states. For instance, in an example an electronic device includes input components, a motion detector separate from the input components, the motion detector to detect over a period of time an amount of motion of an object proximate to the electronic device, and a controller to compare the detected amount of motion of the object to a motion threshold, and alter a power state of an input component of the input components based on the comparison.

Abstract: Example implementations relate to modifying clock-boost parameters. In some examples, a controller of a computing device may determine a thermal headroom based on a thermal capacity of the computing device, an energy inflow to a processor received from circuitry of the computing device, a temperature of the processor, and a speed of a fan of the computing device, and modify a clock boost parameter for the processor based on the thermal headroom.

Abstract: An electronic device includes a transmit buffer, a receive buffer, a communication port, and a controller. The controller is to: communicate with a target device via a data link established via the communication port; determine a throughput ratio between the transmit buffer and the receive buffer; in response to a determination that the throughput ratio is above a threshold, transmit a request to the target device to change an aspect of the data link, where the request includes a payload size indicating an amount of data to be transmitted from the electronic device to the target device; and in response to receiving a grant message associated with the request, increase an amount of transmit lanes within the data link from the electronic device to the target device.

Abstract: In an example, a card retainer may include a pivot mount, a bracket, and a latch hook. The bracket may be movable or pivotable between a released position and a locked position. The bracket may include a bracket pivot, a locking portion, and a cantilevered latch. The locking portion may engage with an expansion card. Further, the cantilevered latch may engage with the latch hook to retain the bracket in the locked position.

Abstract: An example power delivery device includes a two-fold rotationally-symmetrical electrical connector with electrical connector pins having power delivery capability. A switch is operatively connected to the two-fold rotationally-symmetrical electrical connector to transmit power through the electrical connector pins. A power delivery controller to (i) identify a first set of electrical connector pins being used for transmission of electrical signals, (ii) identify a second set of electrical connector pins that are not being used for transmission of the electrical signals, and (iii) control the switch for power delivery between a first electrical device and a second electrical device through the first set of electrical connector pins and the second set of electrical connector pins.

Abstract: In an example, a stowable accessory dock may include an accessory loop and a movable tray disposed adjacent the accessory loop and movable between a stowed position disposed within a housing of an electronic device and a deployed position extending out from the housing. Further, the accessory loop is engageable with the movable tray such that the movable tray is to insert the accessory loop into the housing upon the movable tray being transitioned to the stowed position.

Abstract: An example apparatus includes a power monitor, a memory, and a processor. The power monitor is to measure a power level of the apparatus. The memory is to store a power level to temperature increase rate correlation. The processor is in communication with the power monitor and the memory. The processor is to determine that an internal temperature threshold is to be exceeded based on the power level and the power level to temperature increase rate correlation. The processor also is to perform a device operation modification to reduce the power level in response to a determination that the internal temperature threshold is to be exceeded.

Abstract: An example power adaptor includes a converter and a circuit to detect an overcurrent event at the converter and to pause power output of the converter when the overcurrent event is detected. The circuit is further to count a number of overcurrent events at the converter within a time period. The circuit is further to compare the number of overcurrent events to a threshold number and to switch off the power output of the converter when the number of overcurrent events passes the threshold number.