A system for aircraft power management and distribution, including a sensor suite configured to measure battery pack data. The system includes a battery pack with a plurality of batteries and a battery monitoring component. This battery monitoring component is configured to measure battery pack data. The system also has electric power converters, each connected to a battery of the plurality of batteries. The system also includes a controller configured to control each electric power converter; receive an estimated charge from each battery; select and enable electric power converters based on the estimated charge; compare the total output of the enabled electric power converters against an optimal operating region; and adjust the number of the one or more enabled electric power converters accordingly.

A hybrid switch for a power converter and a method of operating said hybrid switch, the hybrid switch comprising: at a minimum a first and a second element comprising one or more switching devices of a first semiconductor type, and at a minimum a third element comprising one or more switching devices of a second semiconductor type, wherein the second semiconductor type is different from the first semiconductor type, and wherein each element is independently configurable and connected to a separate respective control terminal; and, a controller connected to the control terminals, wherein the controller is configured to control each element independently through each respective control terminal, and wherein the controller is further configured to activate elements based on a measured or estimated current and/or power as required by an operating condition of the converter.

An image display device of the present invention comprises a display and a power supply unit, and the power supply unit comprises: a first voltage detection unit that detects an input AC voltage by using a first resistance element; a second voltage detection unit that detects an input AC voltage by using a differential circuit having a capacitor element and a second resistance element; a converter that converts the level of the input voltage on the basis of a switching operation of a switching element so as to output a DC voltage; and a control unit that may control the switching element in the converter to be turned on, on the basis of a first signal detected by the first voltage detection unit or a second signal detected by the second voltage detection unit. As such, the present invention operates stably even when an AC voltage of a square wave is applied.

In an embodiment a switching power supply includes a voltage ramp generator comprising at least one output capacitor, wherein the generator is configured such that the output capacitor has a first value during a first operating cycle of a first operating mode and a second value during subsequent operating cycles of the first operating mode.

A control circuit for a switching regulator can include: a control signal generation circuit configured to generate a control signal for controlling switching states of power switches in the switching regulator; where, in a first state of the switching regulator, the control signal is generated in accordance with a loop feedback signal that is generated based on a difference between an output voltage and a desired output voltage; and where, in a second state of the switching regulator, the control signal is generated in accordance with a reference voltage by disabling the loop feedback signal.

In an embodiment, an SMPS comprises a half-bridge, and a driver configured to drive the half-bridge based on a PWM signal. The SMPS further comprising a first circuit coupled between the output of the driver and a control terminal of a high-side transistor of the half-bridge, wherein the first circuit is configured to maintain the first transistor on when the PWM signal has a duty cycle that is substantially 100%.

Recently, it is desired to improve responsiveness in case where a drop in the output voltage is prevented. A power supply control device is provided, comprising a switch control unit for controlling an ON/OFF state of a switching device of a boosting chopper using an oscillation wave, a voltage acquisition unit for acquiring DC output voltage corresponding to an output of the boosting chopper, and an oscillation control unit for reducing a change speed of the oscillation wave during at least a part of a period during which the switching device is in an ON state, in response to a drop in the DC output voltage.

This disclosure provides a resonant LLC power converter unit to provide a plurality of power outputs. The power converter unit includes multiple transformers arranged such that at least one primary winding of each transformer is connected in parallel and configured to provide a power output to a secondary that powers one of the plurality of outputs. One of these transformers, or a parallel choke across an output bus, can be used to provide lower power to the output bus during a standby state (i.e., during a light- or no-load condition). The power converter unit includes a first switching section for providing a first power input during normal operation and a second switching section for providing a second power input during no- or light-load conditions.

A circuit includes a controller circuit configured to receive an output voltage of a converter and adjust a switching frequency of the converter in response to a status of an output load and an output load sensing circuit configured to determine the status of the output load and provide the peak current to the controller circuit. The output load sensing circuit may include a first timer configured to provide a delayed first signal to a peak current control in response to the output load being a heavy load. A second timer may be configured to provide a delayed second signal to the peak current control in response to the output load being a light load. The peak current control may be configured to adjust a peak current based on the received first signal and the second signal and configured to provide the peak current to the controller circuit.

A converter system (100) includes a transformer (102) having a primary side (104) and a secondary side (106), a first switch (114) with a first terminal (1151) coupled to the primary side (104) and a second terminal (1152) coupled to a voltage supply terminal, a second switch (116) coupled to the first terminal (1151) of the first switch (114), loop control circuitry (119), coupled to the secondary side (106), and configured to generate an offset signal based on an output voltage provided at the secondary side (106) and to generate a compensated signal by compensating the offset signal to a sensed signal being representative of a first current flowing through the primary side (104), and switch control circuitry (120), coupled to the loop control circuitry (119), and configured to operate the first and second switches (114, 116) based on the compensated signal.