Abstract: A power system can include a first battery port to couple to a first type of battery pack having a first battery voltage range, a second battery port to couple to a second type of battery pack having a second battery voltage range that is different from the first battery voltage range, a first power rail to couple to a first set of loads, a second power rail to couple to a second set of loads, and a switch circuit. The switch circuit can provide a number of switch settings. The switch settings can include a first setting to couple the first battery port to the first power rail and the second battery port to the second power rail, a second setting to couple the first battery port to both the first power rail and the second power rail, and a third setting to couple the second battery port to both the first power rail and the second power rail.

Abstract: In one embodiment, a computing system includes a switching voltage regulator having at least two inductors formed on a common toroidal core.

Abstract: A system may include a voltage regulator controller to provide a control signal, a voltage regulator converter comprising a power switching element coupled between an output node of the voltage regulator converter and ground, the voltage regulator converter to receive the control signal, and a logic circuit to detect current flow from the output node to the voltage regulator converter and to disable the power switching element in response to detecting the current flow.

Abstract: In one embodiment, a computing system includes a switching voltage regulator having at least two inductors formed on a common toroidal core.

Abstract: In accordance with an embodiment of the disclosed matter, a voltage regulator may supply power to a component within a computer system. A timer may be provided. The voltage regulator may operate synchronously, and when the timer expires the voltage regulator may operate non-synchronously. For one embodiment, the voltage regulator may operate non-synchronously when the timer expires and the component is in a sleep state.

Abstract: A power system can include a first battery port to couple to a first type of battery pack having a first battery voltage range, a second battery port to couple to a second type of battery pack having a second battery voltage range that is different from the first battery voltage range, a first power rail to couple to a first set of loads, a second power rail to couple to a second set of loads, and a switch circuit. The switch circuit can provide a number of switch settings. The switch settings can include a first setting to couple the first battery port to the first power rail and the second battery port to the second power rail, a second setting to couple the first battery port to both the first power rail and the second power rail, and a third setting to couple the second battery port to both the first power rail and the second power rail.

Abstract: A system may include a voltage regulator controller to provide a control signal, a voltage regulator converter comprising a power switching element coupled between an output node of the voltage regulator converter and ground, the voltage regulator converter to receive the control signal, and a logic circuit to detect current flow from the output node to the voltage regulator converter and to disable the power switching element in response to detecting the current flow.

Abstract: According to one embodiment, a system is disclosed. The system includes a battery, a super-capacitor (SC) coupled in parallel to the battery, a computer system coupled to the battery and the SC, and a current limiter coupled to the battery the SC and the computer system. The current limiter prevents excess current from flowing from the battery to the SC.

Abstract: In accordance with an embodiment of the disclosed matter, a voltage regulator may supply power to a component within a computer system. A timer may be provided. The voltage regulator may operate synchronously, and when the timer expires the voltage regulator may operate non-synchronously. For one embodiment, the voltage regulator may operate non-synchronously when the timer expires and the component is in a sleep state.

Abstract: In accordance with an embodiment of the disclosed matter, a voltage regulator may supply power to a component within a computer system. A timer may be provided. The voltage regulator may operate synchronously, and when the timer expires the voltage regulator may operate non-synchronously. For one embodiment, the voltage regulator may operate non-synchronously when the timer expires and the component is in a sleep state.

Abstract: In accordance with an embodiment of the disclosed matter, a voltage regulator may supply power to one or more components within a computer system. The voltage regulator may include an inductor and a current detection circuit to detect current through the inductor. When the inductor current is detected to be above a threshold, the voltage regulator operates synchronously. When the inductor current is detected to be below the threshold, the voltage regulator operates non-synchronously.

Abstract: In accordance with an embodiment of the disclosed matter, a voltage regulator may supply power to a component within a computer system. A timer may be provided. The voltage regulator may operate synchronously, and when the timer expires the voltage regulator may operate non-synchronously. For one embodiment, the voltage regulator may operate non-synchronously when the timer expires and the component is in a sleep state.

Abstract: In accordance with an embodiment of the disclosed matter, a voltage regulator may supply power to one or more components within a computer system. The voltage regulator may include an inductor and a current detection circuit to detect current through the inductor. When the inductor current is detected to be above a threshold, the voltage regulator operates synchronously. When the inductor current is detected to be below the threshold, the voltage regulator operates non-synchronously.

Abstract: According to one embodiment, a system is disclosed. The system includes a battery, a super-capacitor (SC) coupled in parallel to the battery, a computer system coupled to the battery and the SC, and a current limiter coupled to the battery the SC and the computer system. The current limiter prevents excess current from flowing from the battery to the SC.

Abstract: A switching regulator has a number of switchable power circuits, a number of inductive elements each being in series with a respective power circuit, and a number of resistors each being in series between a respective inductive element and a common node. A hysteretic comparator circuit has a first input coupled to the common node, and an output coupled to control the switchable power circuits. A number of sampling circuits each being coupled to provide a resistor voltage of a respective resistor as an input to the hysteretic comparator circuit is also provided. The hysteretic comparator circuit responds to each pair of resistor and common node voltages using the same hysteresis thresholds.

Abstract: A dynamic switching voltage regulator includes a load indicator, power switches, and a controller. The load indicator generates a load signal responsive to different output load conditions of the regulator. The controller receives the load signal and drives the power switches at a first switching frequency. The controller changes the switching frequency to a second frequency in response to a change in the load signal.

Abstract: A switching regulator includes a controller, an inductor, switch circuits coupled to the inductor and a synchronization circuit. The controller furnishes a switching signal to regulate an output voltage, and each of the switch circuits, when activated, responds to the switching signal to energize and de-energize the inductor. The synchronization circuit selectably activates each switch circuit during different time intervals of the switching signal.

Abstract: A voltage regulator includes an energy storage element to produce an output voltage, a switch and a controller. The switch energizes and de-energizes the energy storage element at a switching frequency. The controller is coupled to the switch and receives an indication of the output voltage. The controller controls the switching frequency to regulate the output voltage based on the indication.

Abstract: A voltage regulator includes an output stage, an amplifier and a slew rate control circuit. The output stage furnishes an output voltage, and the amplifier interacts with the output stage to regulate the output voltage. The slew rate control circuit interacts with the output stage to establish a first slew rate for the regulator when the regulator is powering up and a different slew rate for the regulator after the regulator has substantially completed powering up.