Abstract: A disclosed method for LED control for a detachable reversable power cable includes detecting, at a power source, that a first connector at a first end of the power cable is connected to the power source, triggering, at the power source, a first pulse on a first wire of the power cable that turns off a first LED switch coupled to a first LED on the first connector, disabling the first LED, and triggering, at the power source, a second pulse on a second wire of the power cable that drives a second LED on a second connector at a second end of the power cable opposite the first end, the second LED being coupled to a second LED switch that is on. The method further includes, responsive to detecting that the second connector is connected to a power sink, modifying a driver path for the second LED.

Abstract: Multimode docking station embodiments provide power to an Information Handling System (IHS). The docking station detects the coupling of a multimode USB-C adapter that supports USB-PD (USB Power Delivery) transmissions and also supports a high-power transmission of a voltage greater than the USB-PD transmissions. The docking station configures a power transmission by the multimode USB-C adapter based on a power request by the IHS. Based on the power request by the IHS, a power circuit of the docking station is configured for providing the transmission to the IHS. When the multimode adapter provides a USB-PD power transmission, the power circuit routes the transmission directly to the docking port. When a high-power transmission is provided, a portion of the power transmission is converted by the power circuit for use by external devices coupled to the docking station, with another portion being provided to the IHS as a USB-PD transmission.

Abstract: Systems and methods are provided for charging a battery system of an Information Handling System (IHS) using a multimode AC adapter. Information reported by the multimode adapter is used to determine its capabilities, including whether it supports USB-PD transmission and also supports high-power transmissions of a voltage greater than the USB-PD voltages. The charge state of the battery system is monitored. When the battery is in a pre-charge state, the battery is charged using USB-PD transmissions negotiated with the multimode adapter. When the battery is in a bulk-charge state, the battery is charged using a high-power transmission negotiated with the multimode adapter. When the battery is in a top-off-charge state, the battery is charged using USB-PD transmissions negotiated with the multimode adapter. In light of the charging efficiency of a battery varying based on its charge level, the multimode adapter supports efficient charging at different charge levels.

Abstract: In accordance with embodiments of the present disclosure, an information handling system may include a processor and an interface configured to electronically interface between the processor and a display assembly, wherein the interface is configured to provide a legacy supply voltage to the display assembly and an alternate supply voltage other than the legacy supply voltage to the display assembly in lieu of or in addition to the legacy supply voltage, such that the interface is compatible with each of a first type of display assembly having a first type of voltage regulator tree that generates regulated output voltages from the legacy supply voltage and a second type of display assembly having a second type of voltage regulator tree that generates regulated output voltages from the alternate supply voltage.

Abstract: Techniques for power source management in an information handling system (IHS) include detecting connection of multiple power sources to the IHS through respective DC adapters, obtaining data indicating the capabilities of each power source, obtaining data indicating a system load for the IHS, and generating, based on the obtained data, a load management plan specifying a target combined input power amount for power supplied by the multiple power sources and respective amounts of electrical power to be supplied by a single selected power source or by multiple selected power sources. The techniques also include combining the power supplied by each of the selected power sources into a combined input power and supplying the combined input power to the IHS. Prior to the combining, the voltage of the power supplied by a power source may be stepped up or down to a common voltage, or a power source may be de-rated.

Abstract: Systems and methods provide wireless power to an Information Handling System (IHS). A multimode wireless power transmission unit supports USB-PD (Universal Serial Bus Power Delivery) power transmissions and also supports a high-power transmission of a voltage greater than USB-PD transmission voltages. The IHS detects the wireless coupling of the wireless power transmission unit. As part of this coupling, the IHS determines whether the wireless power transmission unit supports high-power transmissions. A wireless power transfer is negotiated and a power circuit of the IHS is configured for converting the negotiated high-power transmission to an input utilized by the IHS. Embodiments utilize a power circuit that provides efficient conversion of power transmissions of up to 60 volts. This same power circuit also provides efficient conversion of power transmissions of up to 60 volts by a multimode USB-C power adapter.

Abstract: Multimode docking station embodiments provide power to an Information Handling System (IHS). The docking station detects the coupling of a multimode USB-C adapter that supports USB-PD (USB Power Delivery) transmissions and also supports a high-power transmission of a voltage greater than the USB-PD transmissions. The docking station configures a power transmission by the multimode USB-C adapter based on a power request by the IHS. Based on the power request by the IHS, a power circuit of the docking station is configured for providing the transmission to the IHS. When the multimode adapter provides a USB-PD power transmission, the power circuit routes the transmission directly to the docking port. When a high-power transmission is provided, a portion of the power transmission is converted by the power circuit for use by external devices coupled to the docking station, with another portion being provided to the IHS as a USB-PD transmission.

Abstract: Systems and methods are provided for charging a battery system of an Information Handling System (IHS) using a multimode AC adapter. Information reported by the multimode adapter is used to determine its capabilities, including whether it supports USB-PD transmission and also supports high-power transmissions of a voltage greater than the USB-PD voltages. The charge state of the battery system is monitored. When the battery is in a pre-charge state, the battery is charged using USB-PD transmissions negotiated with the multimode adapter. When the battery is in a bulk-charge state, the battery is charged using a high-power transmission negotiated with the multimode adapter. When the battery is in a top-off-charge state, the battery is charged using USB-PD transmissions negotiated with the multimode adapter. In light of the charging efficiency of a battery varying based on its charge level, the multimode adapter supports efficient charging at different charge levels.

Abstract: Systems and methods are provided for adaptively powering an Information Handling System (IHS) using a multimode AC adapter. Information reported by the multimode adapter is utilized to determine whether it supports USB-PD power transmissions and also supports high-power transmissions. The power demand of the IHS is monitored. When the power demand is greater than the USB-PD power levels, the multimode adapter is configured for providing a high-power transmission and a power circuit of the IHS is configured for converting the high-power transmission to a voltage used by the IHS. When the power demand is not greater than the USB-PD power levels, the multimode adapter is configured for providing a USB-PD transmission. Some embodiments may detect events associated with high power demand and may preemptively configure the power circuit of the IHS for providing high-power outputs upon detecting such events.

Abstract: Systems and methods are provided for powering an Information Handling System (IHS). The system includes a multimode AC adapter that reports supported outputs, including USB-PD (Universal Serial Bus Power Delivery) outputs and also including high-power outputs of a voltage greater than the USB-PD output voltages. The IHS detects a coupling of the multimode AC adapter to a USB-C port of the IHS. Based on information provided by the multimode adapter, the IHS determines the multimode adapter supports transmission of the high-power outputs to the USB-C port. The high-power outputs are negotiated and a power circuit of the IHS is configured for converting the negotiated high-power output. The configured power circuit converts the negotiated high-power output received via the USB-C port to an input utilized by the IHS. The high-power conversion circuit may provide efficient conversion of input voltages of up to 60 volts to voltages for use by the IHS.

Abstract: Systems and methods are provided for powering an Information Handling System (IHS) that receives a high-power transmission from a multimode AC adapter supporting USB-PD transmission and also supporting the high-power transmissions of a voltage greater than the supported USB-PD voltages. A power circuit converts the high-power transmission to a charging voltage used to charge a battery system of the IHS. After the multimode AC adapter is unplugged from the IHS, power is drawing power from the battery system of the IHS. When the battery system drops below a low-voltage threshold, the power drawn from the battery system is routed to the same power circuit. While operating this low-voltage threshold, power is drawn from the battery system via the power circuit. When the battery system drops below a second low-voltage threshold, an off power state of the IHS is initiated.

Abstract: A battery architecture for variable loads and output topologies in an information handling system (IHS) is described. In some embodiments, an IHS may include an embedded controller (EC) and a memory coupled to the EC, the memory having program instructions stored thereon that, upon execution, cause the EC to: determine a characteristic of a battery coupled to the IHS, and select a scalar factor of a buck-boost converter coupled to an output of the battery in response to the characteristic.

Abstract: Systems and methods for reducing the power consumption of high-dynamic range (HDR) displays via buck-boost conversion are described. In some embodiments, an information handling system (IHS) may include an embedded controller (EC) and a memory coupled to the EC, the memory having program instructions stored thereon that, upon execution, cause the EC to: determine a characteristic of a display having a backlight, and control a buck-boost converter to increase or decrease a voltage applied to the backlight based upon a frame rate of a video signal received by the display.

Abstract: Systems and methods for buck-boost conversion in an information handling system (IHS) are described. In some embodiments, an IHS may include a processor, an embedded controller (EC) coupled to the processor; and a memory coupled to the EC, the memory having program instructions stored thereon that, upon execution, cause the EC to: determine a characteristic of an IHS subsystem; and control a buck-boost converter to modify a voltage provided by a power source based, at least in part, upon the characteristic of the IHS subsystem.

Abstract: An AC adapter charges an Information Handling System (IHS) and includes a first DC plug including a DC connector that is compatible with an IHS power port. The first DC plug includes a first light guide for receiving light transmitted from the IHS and for illuminating an indicator of the first DC plug. The first DC plug comprises a fiber optic wire that receives the light received by the first light guide and illuminates the indicator. The fiber optic wire may extend within the DC cord and may illuminate an indicator of a second DC plug on the opposite end of the cord. The DC cord may include indicators illuminated by the fiber optic wire extending within the cord. The fiber optic wire terminates at a light guide of the second DC plug and exits the light guide of the second DC plug when the second DC plug is uncoupled.

Abstract: A power storage adapter for portable information handling systems may include a separate battery and intelligent power management functionality. The power storage adapter may be equipped with fewer voltage regulators and boosted charging for improved efficiency. The power storage adapter may output power to a variable power bus, such as USB Type-C.

Abstract: An information handling system (IHS) includes a battery management unit (BMU) and an embedded controller (EC). The EC is operable for detecting a trigger for monitoring power consumption in light of a first condition, capturing a state of the IHS, writing data representing the state to a power profile log, annotating the log with an identifier of a point at which logging associated with the first condition begins, obtaining, from the BMU, power data representing an amount of current flowing from or charge delivered by a battery, writing at least some power data to the log, detecting a trigger for ending monitoring associated with the first condition, annotating the log with an identifier of a point at which logging associated with the first condition ends, and generating, dependent on the annotations of the identifiers in the log, a power profile report indicating power consumption associated with the first condition.

Abstract: A power storage adapter coupled to a portable information handling system using a variable power bus may receive first battery data from an embedded controller of the portable information handling system. The first battery data may be used by a battery management unit in the power storage adapter for power management of a battery. The power storage adapter may also collect second battery data from other portable information handling systems and send the second battery data back to the embedded controller.

Abstract: An AC (Alternating Current) plug for providing power via a power circuit is assembled by: selecting a cover that includes prongs and structures on an inner side; positioning a PCB (printed circuit board) that includes contact pads connecting the PCB to the power circuit on structures of the inner side of the cover; positioning the spring mounted terminals on structures on the inner side of the cover such that a first end of each spring mounted terminal is positioned on a contact pad of the PCB; positioning a cap on the spring mounted terminals, the PCB and the cover, such that assembly holes of the cap, the PCB and the cover are aligned; and fastening the cap to the cover, such that the first end of each spring mounted terminal is secured against a respective contact pad and each spring mounted terminal is loaded and exerts a force against a prong.

Abstract: A battery architecture for wireless charging with optimized wireless power flux boost and load point efficiency in an information handling system (IHS) is described. In some embodiments, an IHS may include an embedded controller (EC) and a memory coupled to the EC, the memory having program instructions stored thereon that, upon execution, cause the EC to: determine a first characteristic of a charging pad configured to provide wireless power to a charger coupled to a battery of the IHS, and select, based upon the first characteristic, a first scalar value applied to a voltage multiplier of the charging pad.