Abstract: Apparatuses, methods and storage medium associated with deriving power output from an energy harvester are disclosed herein. In embodiments, an apparatus may include one or more processors, devices, and/or circuitry to identify a plurality of times at which an intermediate voltage of a two stage power conversion circuit corresponds to a voltage reference, and ascertain an amount of time between one of the identified times and another one of the identified times. The one or more processors, devices, and/or circuitry may derive a power or current value associated with the second power supply using the amount of time.

Abstract: Apparatuses, methods and storage medium associated with deriving power output from an energy harvester are disclosed herein. In embodiments, an apparatus may include one or more processors, devices, and/or circuitry to identify a plurality of times at which an intermediate voltage of a two stage power conversion circuit corresponds to a voltage reference, and ascertain an amount of time between one of the identified times and another one of the identified times. The one or more processors, devices, and/or circuitry may derive a power or current value associated with the second power supply using the amount of time.

Abstract: Apparatuses, methods and storage medium associated with deriving power output from an energy harvester are disclosed herein. In embodiments, an apparatus may include one or more processors, devices, and/or circuitry to identify a plurality of times at which an intermediate voltage of a two stage power conversion circuit corresponds to a voltage reference, and ascertain an amount of time between one of the identified times and another one of the identified times. The one or more processors, devices, and/or circuitry may derive a power or current value associated with the second power supply using the amount of time.

Abstract: An electronic device may include a battery charger and a controller. The battery charger may receive a voltage from an energy source, and may provide an output power. The controller may receive a voltage value of the energy source, may receive a current value from the battery charger or the energy source, may determine a power value based on the received voltage value and the received current value, and may provide at least one control signal to the battery charger to change the output power of the charger.

Abstract: In an embodiment, a system includes controller circuitry to initiate a plurality of energy transfer cycles. Each energy transfer cycle includes an input time period during which corresponding input energy is received by a power train, and an output time period during which corresponding output energy is output from the power train. The system also includes energy detection logic to provide, upon completion of each energy transfer cycle, a corresponding indication of corresponding residual energy retained by the power train. Other embodiments are described and claimed.

Abstract: Systems and methods may provide for an energy harvester to power a mobile device. The energy harvester may include an energy harvesting portion to generate electrical power. At least one sensor may measure an environmental condition relating to generation of electrical power by the energy harvesting portion. A controller may generate a signal based on the measured environmental condition by the at least one sensor to the mobile device. Alternatively the signals from the at least one sensor are place in a memory on the energy harvester. In one example, the controller determines the power generated by the energy harvester and the controller signal includes this power information.

Abstract: In embodiments, apparatuses, methods and systems associated with battery charging are disclosed herein. In various embodiments, a reference current selector may receive a battery voltage sense input and output a reference current level signal, a power point check detector may receive a power supply sense input and output a power point check signal, and a controller coupled to the reference current selector and the power point check detector may receive a battery current sense input and switch a control output based at least in part on the reference current level signal, the battery current sense input, and the power point check signal. Other embodiments may be described and/or claimed.

Abstract: Systems and methods may provide for a transient response apparatus that includes a single stage conversion module having a power input, a power output, and a control input, and a compensation module including a feedback input. The compensation module may be coupled to the power input, the power output and the control input of the single stage conversion module. Additionally, a feedback module may be coupled to the power output of the single stage conversion module and the feedback input of the compensation module. In one example, the feedback module includes a loop controller having a plurality of programmable inputs and an error output, and a modulus unit coupled to the error output of the loop controller and the feedback input of the compensation module.

Abstract: Methods and apparatus relating to controlling the supply of power to computing devices with dynamically variable energy capacity are described. In one embodiment, logic causes modification to supply of power from a power source to one or more loads in response to a comparison of an output of the power source and a threshold value. The output of the power source may vary over a time period (e.g., oscillating) that causes the one or more loads to become inoperational. Other embodiments are also disclosed and claimed.

Abstract: Apparatuses, methods and storage medium associated with deriving power output from an energy harvester are disclosed herein. In embodiments, an apparatus may include one or more processors, devices, and/or circuitry to identify a plurality of times at which an intermediate voltage of a two stage power conversion circuit corresponds to a voltage reference, and ascertain an amount of time between one of the identified times and another one of the identified times. The one or more processors, devices, and/or circuitry may derive a power or current value associated with the second power supply using the amount of time.

Abstract: Methods and apparatus for a power management integrated circuit (PMIC) for receiving energy from multiple energy harvesting sources. The PMIC comprises a boost converter to receive a plurality of first power supplies and to generate an intermediate voltage, the boost converter having a plurality of input terminals coupled to the plurality of first power supplies, and a switched capacitor charge pump to receive the intermediate voltage and to generate a second power supply is shown.

Abstract: In an embodiment, a system includes controller circuitry to initiate a plurality of energy transfer cycles. Each energy transfer cycle includes an input time period during which corresponding input energy is received by a power train, and an output time period during which corresponding output energy is output from the power train. The system also includes energy detection logic to provide, upon completion of each energy transfer cycle, a corresponding indication of corresponding residual energy retained by the power train. Other embodiments are described and claimed.

Abstract: The disclosure generally relates to methods, system and apparatus to wirelessly charge a mobile device using one of conventional or alternative power sources. In an exemplary embodiment, the disclosure provides a method and apparatus to detect power source as a function of its power profile linearity. Once determination is made as to whether the incoming power is harvested from natural resources or is provided from conventional AC/DC adapter/DC source, the incoming power is conditioned and impedance-matched to wirelessly energize an external load. The external load may be a device configured for wireless charging.

Abstract: A charger may determine a type of power source to couple to the charger, and to adjust power from the power source based on the determined type of the power source.

Abstract: An electronic device may include a battery charger and a controller. The battery charger may receive a voltage from an energy source, and may provide an output power. The controller may receive a voltage value of the energy source, may receive a current value from the battery charger or the energy source, may determine a power value based on the received voltage value and the received current value, and may provide at least one control signal to the battery charger to change the output power of the charger.

Abstract: In embodiments, apparatuses, methods and systems associated with battery charging are disclosed herein. In various embodiments, a reference current selector may receive a battery voltage sense input and output a reference current level signal, a power point check detector may receive a power supply sense input and output a power point check signal, and a controller coupled to the reference current selector and the power point check detector may receive a battery current sense input and switch a control output based at least in part on the reference current level signal, the battery current sense input, and the power point check signal. Other embodiments may be described and/or claimed.

Abstract: Systems and methods may provide for an energy harvester to power a mobile device. The energy harvester may include an energy harvesting portion to generate electrical power. At least one sensor may measure an environmental condition relating to generation of electrical power by the energy harvesting portion. A controller may generate a signal based on the measured environmental condition by the at least one sensor to the mobile device. Alternatively the signals from the at least one sensor are place in a memory on the energy harvester. In one example, the controller determines the power generated by the energy harvester and the controller signal includes this power information.

Abstract: An electronic device is provided that may include an input port to couple to an external device, and a universal power interface to determine a type of the external device connected to the input port based at least on a voltage of a voltage supply line. The universal power interface may provide a power delivery path based on the determined type of the external device.

Abstract: A mobile device may be provided that includes an input port, an adjusting device, and a voltage regulator. The input port may receive power from an alternative power source or a DC power supply. The mobile device may receive the power from the input port, adjust a power characteristic of the power, and provide the power having the adjusted power characteristic. The voltage regulator may receive the adjusted power and provide a regulated voltage to a load.

Abstract: Systems and methods may provide for a transient response apparatus that includes a single stage conversion module having a power input, a power output, and a control input, and a compensation module including a feedback input. The compensation module may be coupled to the power input, the power output and the control input of the single stage conversion module. Additionally, a feedback module may be coupled to the power output of the single stage conversion module and the feedback input of the compensation module. In one example, the feedback module includes a loop controller having a plurality of programmable inputs and an error output, and a modulus unit coupled to the error output of the loop controller and the feedback input of the compensation module.