Abstract: In some examples, a controller may include a processing resource and a memory resource storing machine readable instructions executable to cause the processing resource to set an electrical power threshold, monitor an amount of electrical power distributed between a plurality of phases of a multi-phase converter operation. The controller may detect a load disparity between a particular phase of the plurality of phases, disable the particular phase, and redistribute the electrical power amongst the remaining phases of the multi-phase converter operation.

Abstract: Example implementations relate to performance tests of capacitors. In some examples, a controller may comprise a processing resource to measure a change in voltage of a capacitor of a circuit in response to the controller entering a test mode, determine, based on the measured change in the voltage and an impedance of the circuit, a capacitance of the capacitor, compare the determined capacitance of the capacitor to a predetermined capacitance value, and determine, based on the comparison, a performance of the capacitor.

Abstract: Example implementations relate to plug-in backup energy devices. In some examples, a plug-in backup energy device may comprise a charger, an energy storage device coupled to the charger, and a buck-boost converter coupled to the charger and the energy storage device such that the buck-boost converter maintains a charge of the energy storage device during a no-fault mode of a computing device, and in response to the plug-in backup energy device switching from a normal mode to a power supply mode as a result of the computing device experiencing a fault, regulates a voltage output of the energy storage device to provide energy to the computing device during the fault of the computing device.

Abstract: Examples herein relate to a multiphase voltage regulator, comprising a pulse-width modulation PWM controller to output a plurality of PWM signals for driving a plurality of pluggable stand-alone voltage regulator converter stage, wherein each pluggable stand-alone voltage regulator converter stage receives one of the PWM signals and delivers a regulated output voltage signal, wherein a contribution of the regulated output voltage signals is delivered to a load connected onto a printed circuit assembly PCA.

Abstract: Inductors are described herein. In one example, an inductor can include a first lead positioned on a first side of the inductor to couple the inductor to a first circuit that includes a power supply for a second circuit, and a second lead positioned on a second side of the inductor to couple the inductor to the second circuit to provide electrical power from the power supply to electrical components coupled to the second circuit.

Abstract: In some examples, a controller may include a processing resource and a memory resource storing machine readable instructions executable to cause the processing resource to set an electrical power threshold, monitor an amount of electrical power distributed between a plurality of phases of a multi-phase converter operation. The controller may detect a load disparity between a particular phase of the plurality of phases, disable the particular phase, and redistribute the electrical power amongst the remaining phases of the multi-phase converter operation.

Abstract: Example implementations relate to plug-in backup energy devices. In some examples, a plug-in backup energy device may comprise a charger, an energy storage device coupled to the charger, and a buck-boost converter coupled to the charger and the energy storage device such that the buck-boost converter maintains a charge of the energy storage device during a no-fault mode of a computing device, and in response to the plug-in backup energy device switching from a normal mode to a power supply mode as a result of the computing device experiencing a fault, regulates a voltage output of the energy storage device to provide energy to the computing device during the fault of the computing device.

Abstract: Examples herein relate to a multiphase voltage regulator, comprising a pulse-width modulation PWM controller to output a plurality of PWM signals for driving a plurality of pluggable stand-alone voltage regulator converter stage, wherein each pluggable stand-alone voltage regulator converter stage receives one of the PWM signals and delivers a regulated output voltage signal, wherein a contribution of the regulated output voltage signals is delivered to a load connected onto a printed circuit assembly PCA.

Abstract: Example implementations relate to performance tests of capacitors. In some examples, a controller may comprise a processing resource to measure a change in voltage of a capacitor of a circuit in response to the controller entering a test mode, determine, based on the measured change in the voltage and an impedance of the circuit, a capacitance of the capacitor, compare the determined capacitance of the capacitor to a predetermined capacitance value, and determine, based on the comparison, a performance of the capacitor.

Abstract: A component for insertion into a hole in a multiple-layer substrate enables impedance matching of the substrate. The component comprises a conductive ground core arranged to extend through multiple-layers of the substrate when the component is inserted, a dielectric layer laterally encasing the conductive ground core, and a signal conductor layer coupled lateral to the dielectric layer.

Abstract: A method of recovering overflowed data at a first I2C source port buffer on an I2C router having a second I2C source port buffer and a destination port I2C bus. The method comprises: requesting resend of said overflowed data to the first I2C source port buffer; receiving the overflowed data at the first I2C source port buffer; capturing the destination port I2C bus and transmitting all data from the first I2C source port buffer to the destination port I2C bus.

Abstract: The present invention provides systems and methods for performing frequency margin testing of a computer system, such as a server. A system of the invention can include a controller, e.g., a BMC, internal to the computer system and a digital frequency synthesizer that can communicate with the controller and can apply clock frequency to marginable components of the computer system. In response to commands from the controller, the synthesizer generates one or more test frequencies that are applied to one or more of the marginable components. The response of the system to each of the test frequencies is then monitored.

Abstract: An inter-integrated circuit port for providing increased security. An electrical connector for communicative coupling to an inter-integrated circuit bus is provided. A controller coupled to the electrical connector operates to control data communication through the electrical connector based on control information. A mask coupled to the controller provides the control information to the controller.

Abstract: A power distribution system comprises a flexible power connector, a printed circuit board, a power supply, and a processor mounted on the printed circuit board. The flexible power connector comprises a first end electrically connected to the processor and a second end electrically connected to the power supply. The flexible power connector is configured with a length so that the power supply is in a spaced relationship relative to the processor and the flexible power connector includes a plurality of stacked layers arranged generally parallel to each other for distributed power transmission. These layers include at least two ground layers and at least one power layer. The power layer is sandwiched between two of the at least two ground layers.

Abstract: A converter assembly comprises a backplane interface to a backplane compliant with a first open architecture modular computing system standard, a component interface capable of coupling to a component compliant with a second open architecture modular computing system standard, and a control element. The control element is coupled between the backplane interface and the component interface and is capable of programmably routing connection lines and signals between the component interface and the backplane interface.

Abstract: A method of transmitting data through an I2C router from a source port to a destination port, the method comprising: receiving data in a first I2C source port buffer of the I2C router; capturing the I2C destination port before the first I2C source port buffer has overflowed; and transmitting the data from the first I2C source port buffer to the I2C destination port while restricting transmission from the second I2C source port buffer to the I2C destination port.

Abstract: An electrical device having an enclosure in which noise is parasitically induced in a wire located in the interior of the enclosure is disclosed. The electrical device has an entry connector for mating the wire with an external connector at which a transmission line terminates for preventing the induced noise from being emitted from the device enclosure via the transmission line. The electrical device comprises a printed circuit board (PCB) adapted to be mounted adjacent to an opening in a wall of the enclosure, a receptacle, integral with the PCB, configured to mate with the external connector, a first conductive path coupling the transmission line with the wire when mated, and capacitors mounted on the printed circuit board radially disposed around the receptacle and adapted to be electrically coupled to the external connector when mated. The electrical device further comprises a second conductive path coupling the capacitors to a low potential sink.

Abstract: Embodiments of the present invention provide a system and method for detecting if a device is coupled to an inter-integrated circuit (I2C) router and/or for resetting the device. The I2C router comprises a first I2C bus port having a presence line and/or a reset line. The I2C router further comprises a control logic coupled to and/or distributed within the first I2C bus port. The control logic may determine if a device is coupled to the I2C router as a function of a state of the presence line. The control logic may also determine if a reset condition exists. If a reset condition exists, the control logic changes the state of the reset line, thereby causing the device to reset itself.

Abstract: A filter circuit in a surge protection device comprises a Y-capacitor, a first metal oxide varistor (MOV) coupled between a first line and the Y-capacitor, and a second metal oxide varistor (MOV) coupled between a second line and the Y-capacitor.

Abstract: A component for insertion into a hole in a multiple-layer substrate enables impedance matching of the substrate. The component comprises a conductive ground core arranged to extend through multiple-layers of the substrate when the component is inserted, a dielectric layer laterally encasing the conductive ground core, and a signal conductor layer coupled lateral to the dielectric layer.