A system, method, and non-transitory computer-readable medium are disclosed for intelligently controlling a power supply system of an information handling system. At least one embodiment is directed to a method that includes receiving power from an adapter and providing the power from the adapter to a switching power supply. At least one embodiment of the method also includes controlling the plurality of power switching elements to provide system power to an information handling system through the switching power supply; detecting a light loading power condition of the information handling system. In response to detecting the light loading power condition, the switching power supply is deactivated and a bypass control module is activated. In at least one embodiment, activation of the bypass control module directs power from the adapter through the bypass control module to the information handling system as the system power.

A method of controlling a multi-phase power converter having a plurality of power stage circuits coupled in parallel, can include: obtaining a load current of the multi-phase power converter; enabling corresponding power stage circuits to operate in accordance with the load current, such that a switching frequency is maintained within a predetermined range when the load current changes; and controlling the power stage circuits to operate under different modes in accordance with the load current, such that the switching frequency is maintained within the predetermined range when the load current changes.

A method for controlling a battery-powered power supply. The method includes generating a first output from a first power supply within the battery-powered power supply. The first output is coupled to an output bus. The method further includes monitoring a voltage of the output bus, and determining, using a controller of the battery-powered power supply, whether the voltage of the output bus is less than a first predetermined level. The method further includes deactivating the first power supply in response to determining that the voltage of the output bus is below the first predetermined level, and generating a second output from a second power supply within the battery-powered power supply. The second output is configured to be coupled to the output bus. The second power supply has a higher output rating than the first power supply.

This application discloses a switched-mode power supply including a voltage isolation module, a voltage regulator module, a voltage converter circuit, a first switch, and an electric vehicle battery monitoring module; the voltage isolation module has an input connected to an electric vehicle battery and an output connected to an input terminal of the voltage regulator module. An output terminal of the voltage regulator module is connected to an input terminal of the voltage converter circuit, an output terminal of the voltage converter circuit is connected to one terminal of the first switch, and another terminal of the first switch is connected to the electric vehicle battery monitoring module; and when the switched-mode power supply is in a low-power state, the first switch turns on and off intermittently according to a clock signal received, so that the electric vehicle battery monitoring module monitors the electric vehicle battery intermittently.

A DC-DC converter, where a first terminal of the first-phase charge pump conversion branch and a first terminal of the second-phase charge pump conversion branch are respectively connected to an output terminal of the power input circuit, a second terminal of the first-phase charge pump conversion branch and a second terminal of the second-phase charge pump conversion branch are respectively connected to an input terminal of the power output circuit, the first-phase charge pump conversion branch and the second-phase charge pump conversion branch are respectively connected to the control circuit and are separately controlled by the control circuit, and the control circuit generates control signals of the first-phase charge pump conversion branch and the second-phase charge pump conversion branch based on feedback signals output by the converter. This converter can provide higher voltage conversion efficiency and implement flexible operating mode switching.

A semiconductor device includes an active silicon connection layer therewithin to integrate a die. A power terminal of a die functional module within the die is connected to a connection point lead-out terminal through a silicon stack connection point. A power gating circuit is arranged within the silicon connection layer. A power output terminal of the power gating circuit within the silicon connection layer is connected to the corresponding connection point lead-out terminal of the die and thus connected to the power terminal of the die function module, so that the power gate circuit can control power supply to the die function module according to an obtained sleep control signal, and the idle die function module can enter into a sleep state to save power.

A power supply circuit including a transformer, a transistor controlling an inductor current flowing through a primary coil of the transformer, an integrated circuit configured to switch the transistor, and a feedback circuit configured to, when a load current is smaller and larger than a predetermined value, generate a feedback voltage to cause the output voltage to reach the target level, and to lower the output voltage, respectively. The integrated circuit includes a determination circuit determining whether the transistor operates in a first or second mode, a first overload protection circuit detecting whether the load is in an overload state, based on a power supply voltage and a determination result of the determination indicating the first mode, and a switching control circuit controlling the switching of the transistor, based on the feedback voltage, a determination result of the determination circuit, and a detection result of the first overload protection circuit.

A controller for a DC-DC converter that includes an inductor. The DC-DC converter has three phases of operation: a first phase, in which an input voltage charges the inductor; a second phase, in which the inductor discharges to a load; and a third phase, in which the inductor is disconnected from the load and in which the input voltage does not charge the inductor. The controller is configured to set a control-factor based on the input voltage of the DC-DC converter, and set the duration of the third phase based on the control-factor and the sum of the duration of the first phase and the second phase.

An electrical system may include an electronic control unit (ECU), a load driver connected to the ECU and configured to selectively provide a first electrical connection between a power source and a load, and/or a secondary power circuit connected to the ECU and configured to selectively provide a second electrical connection between said power source and said load. The secondary power circuit may include a wake-up circuit including a wake-up circuit switch, a trigger circuit including a trigger circuit switch, a sensing circuit including a sensing circuit switch; a switching circuit including a switching circuit switch; and/or a disable circuit connected to the ECU. The ECU may be configured to control the disable circuit to selectively open the switching circuit switch. The disable circuit may include a first disable circuit switch connected to ground and a second disable circuit switch connected to the switching circuit switch.

A power supply includes an inverter configured to direct current (DC) power into alternating current (AC) power, an impedance matching circuit configured to supply the AC power to a load; and a controller configured to adjust disposition of a powering period, in which the AC power is output, and a freewheeling period, in which the AC power is not output, to adjust a power amount of the power supplied to the load through the impedance matching circuit by the inverter.