Abstract: An information handling system includes a power assist unit (PAU) and a baseboard management controller (BMC). The PAU is coupled to a power rail and includes a power storage element, a converter coupled to the power storage element and the power rail, and a controller. The controller receives a current level indication indicating a current provided to a load of the information handling system, directs the converter to provide power from the power storage element to the power rail when the current level indication is greater than a threshold level, directs the converter charge the power storage element from the power rail when the current level indication is greater than the threshold level, and provides a charge level indication that indicates an amount of charge on the power storage unit. The BMC receives the charge level indication, and sets a peak power limit for the information handling system based on the charge level indication.

Abstract: An information handling system includes a power supply and a power assist unit. The power supply powers a power rail. The power assist unit includes a power storage element, a converter including a semiconductor device coupled to provide power from the power storage element to the power rail, and a controller configured to receive a load indication that indicates a power demanded by the load and to provide an intermediate output based upon the load indication. The controller includes a boost element to receive the intermediate output and to provide a controller output. The controller output is a sum of a bias voltage level provided by the bias element and the intermediate output. The controller output is coupled to a gate terminal of the semiconductor device. The converter provides power from the power storage element to the power rail in response to the controller output.

Abstract: An information handling system includes a power supply unit (PSU) and a power assist unit (PAU). The PSU provides a power rail to power a load, and a constant current indication that indicates whether the power supply unit is operating in a constant current mode. The PAU is coupled to the power rail, and includes a power storage element, a converter coupled to the power storage element and to the power rail, and a controller. The controller receives an enable signal when the constant current indication indicates that the first power supply unit is operating in the constant current mode, and in response, the controller directs the converter to convert a voltage from the power storage element and to a current to the power rail to meet an additional demand of the load for power.

Abstract: An information handling system includes first and second power supplies and a power assist unit. The power supplies are each configured to provide power to a power rail to power a load of the information handling system, to provide input power indications that indicates whether or not the power supplies are receiving good input power, and to provide a output power indications that indicates whether or not the power supplies are providing good power to the power rail. The power assist unit is coupled to the power rail and includes a power storage element, a converter coupled to the power storage element and to the power rail, and a controller. The controller receives a hold-up signal from the information handling system, and in response to receiving the hold-up signal, directs the converter to provide power from the power storage element to the power rail. The hold-up signal is based upon the input power indications and upon the output power indications.

Abstract: An information handling system includes first and second power supplies. The first power supply unit provides power to a power rail to power a load of the information handling system, and is configured to provide the power to the power rail at a first peak current level and at a first constant current level. The second power supply unit provides power to the power rail, and is configured to provide the power to the power rail at a second peak current level and at a second constant current level. The second peak current level is greater than the first peak current level, and the second constant current level is greater than the first constant current level.

Abstract: An information handling system includes active and standby power supplies and a power assist unit. The power supplies provide power to a power rail. The standby power supply supplies current to the power rail when a current demanded by a load is greater than a proportion of a maximum current demand, and is off when the current demand is less than the proportion. The power assist unit is coupled to the power rail and includes a power storage element, a converter coupled to the power storage element and to the power rail, and a controller. The controller receives a current level indication that indicates the current demanded by the load, and in response to the current level indication indicating that the current demand peaks to greater than the proportion of the maximum current demand, directs the converter to provide power from the power storage element to the power rail to prevent the second power supply unit from turning on.

Abstract: In one or more embodiments, one or more systems, methods, and/or processes may determine an engagement of a power supply unit with at least one of an information handling system (IHS) and a chassis configured to house multiple information handling systems (IHSs); may provide a power at a first voltage to the at least one of the IHS and the chassis; may determine if the at least one of the IHS and the chassis utilizes a second voltage; if the at least one of the IHS and the chassis utilizes the second voltage, may determine if the power supply unit is configured to provide the power at the second voltage; and if the power supply unit is configured to provide the power at the second voltage, may provide the power at the second voltage to the at least one of the IHS and the chassis.

Abstract: A power supply system includes a chassis defining a bay. Power supply form factor element(s) are located on the chassis adjacent the bay. The power supply form factor element(s) may be used to guide a first form factor power supply through the bay and into engagement with a connector when the first form factor power supply is moved through a bay entrance, or guide a second form factor power supply through the bay and into engagement with a portion of the connector when the second form factor power supply is moved through a first section of the bay entrance. Furthermore, the power supply form factor element(s) prevent movement of the second form factor power supply through the bay and into engagement with the connector when the second form factor power supply attempts to move through a second section of the bay entrance that is different than the first section.

Abstract: A power supply system includes a chassis defining a bay. Power supply form factor element(s) are located on the chassis adjacent the bay. The power supply form factor element(s) may be used to guide a first form factor power supply through the bay and into engagement with a connector when the first form factor power supply is moved through a bay entrance, or guide a second form factor power supply through the bay and into engagement with a portion of the connector when the second form factor power supply is moved through a first section of the bay entrance. Furthermore, the power supply form factor element(s) prevent movement of the second form factor power supply through the bay and into engagement with the connector when the second form factor power supply attempts to move through a second section of the bay entrance that is different than the first section.

Abstract: A power supply system includes a chassis defining a bay. Power supply form factor element(s) are located on the chassis adjacent the bay. The power supply form factor element(s) may be used to guide a first form factor power supply through the bay and into engagement with a connector when the first form factor power supply is moved through a bay entrance, or guide a second form factor power supply through the bay and into engagement with a portion of the connector when the second form factor power supply is moved through a first section of the bay entrance. Furthermore, the power supply form factor element(s) prevent movement of the second form factor power supply through the bay and into engagement with the connector when the second form factor power supply attempts to move through a second section of the bay entrance that is different than the first section.

Abstract: A portable or modular cooling system is operated via the power-over-Ethernet (PoE) standard. The cooling system receives electrical power via an Ethernet connection to a source device (such as a server, switch, or other PoE-enabled equipment). The cooling system may thus be used to spot-inject cooler ambient air in the vicinity of the source device without the need for grid electric and for cumbersome electrical wiring.

Abstract: A method of detecting and disabling a failed power supply in a redundant power supply system is disclosed. The method includes detecting, via a first controller, an output voltage and an output current of a first power supply providing power to the redundant power supply system. The first controller determines if the output voltage is greater than a maximum output voltage threshold and in response to determining that the output voltage is greater than the maximum output voltage threshold, the first controller determines if the output current is equal to zero. In response to determining that the output current is not equal to zero and not less than a common share bus current, the first power supply is disabled such that the first power supply does not provide power to the power supply system.

Abstract: A method includes measuring an initial voltage a bulk capacitor at a power supply, controlling a power factor correction circuit to disable charging of the bulk capacitor for a predetermined period of time, and measuring a final voltage at the bulk capacitor at completion of the period of time. The method further includes measuring a first average power provided to a load receiving power from the voltage converter, the load external to the power supply, and determining a capacitance of the bulk capacitor based on the initial voltage, the final voltage, and the first average power.

Abstract: A power excursion tolerant power system includes at least one powered component. A system capacitance and at least one power supply are coupled to the at least one powered component. The at least one power supply is operable as a voltage controlled current source to supply power to the at least one powered component when a system load is below a predetermined threshold. The at least one power supply is operable as a constant current source, and together with the system capacitance, to supply power to the at least one powered component when the system load is above the predetermined threshold. A load reduction mechanism is coupled to the at least one powered component and operable to perform at least one load reduction action when the system load is above the predetermined threshold.

Abstract: A power supply system includes a chassis defining a bay. Power supply form factor element(s) are located on the chassis adjacent the bay. The power supply form factor element(s) may be used to guide a first form factor power supply through the bay and into engagement with a connector when the first form factor power supply is moved through a bay entrance, or guide a second form factor power supply through the bay and into engagement with a portion of the connector when the second form factor power supply is moved through a first section of the bay entrance. Furthermore, the power supply form factor element(s) prevent movement of the second form factor power supply through the bay and into engagement with the connector when the second form factor power supply attempts to move through a second section of the bay entrance that is different than the first section.

Abstract: Systems and methods for providing multi-parameter current sharing are described. In some embodiments, a system may include an Information Handling System (IHS) and a plurality of Power Supply Unit (PSU) coupled to the IHS in a parallel configuration, a given PSU configured to: receive an indication of an output current provided by the given PSU and available to the IHS via a power transmission interface; and modify the output current using a current sharing signal calculated based upon two or more parameters of the system.

Abstract: A power supply system comprises a first power supply including a first converter for providing a first output voltage and a first micro-controller coupled to a first switch. The first switch is coupled to a common share bus. A second power supply includes a second converter for providing a second output voltage and a second micro-controller coupled to a second switch. The second switch is also coupled to the common share bus. The first micro-controller is configured to receive a first control signal designating the first power supply to be either a master power supply or a slave power supply and the second micro-controller is configured to receive a second control signal designating the second power supply to be either the master power supply or the slave power supply.

Abstract: Systems and methods for providing multi-parameter current sharing are described. In some embodiments, a system may include an Information Handling System (IHS) and a plurality of Power Supply Unit (PSU) coupled to the IHS in a parallel configuration, a given PSU configured to: receive an indication of an output current provided by the given PSU and available to the IHS via a power transmission interface; and modify the output current using a current sharing signal calculated based upon two or more parameters of the system.

Abstract: In accordance with embodiments of the present disclosure, a power supply unit may comprise a plurality of output terminals configured to supply electrical energy to one or more information handling resources, a measurement module configured to measure one or more parameters indicative of an intermediate impedance between the power supply unit and at least one other power supply unit, and a microcontroller unit. The microcontroller unit may be configured to estimate an intermediate impedance based on the one or more parameters and communicate the intermediate impedance to a controller of an information handling system in which the power supply unit is disposed.

Abstract: A power supply unit (PSU) performs a PSU fault diagnosis using a PSU fault detection module. The PSU fault detection module detects a diagnostic trigger event and initiates a series of checks of selected sub-systems. The PSU fault detection module determines whether the trigger event occurred while the PSU was connected within an information handling system (IHS) or physically removed from the IHS. If the trigger event occurred while the PSU was connected within an information handling system (IHS), the PSU fault detection module electrically isolates the PSU from the IHS using an ORing device, which blocks current flowing into the PSU. The PSU fault detection module determines whether a short circuit exists within the electrically isolated PSU. If a short circuit is identified, the PSU fault detection module determines that the PSU is not functioning properly and provides a notification of a malfunction of the PSU.