Abstract: Provided is a storage device including a power management integrated circuit chip; multiple non-volatile memories configured to receive power from the power management integrated circuit chip; and a controller configured to control the non-volatile memories, wherein the controller checks a state of the power during a read operation and a write operation on the non-volatile memories and, when a power failure is detected in at least one of the non-volatile memories, implements a power failure detection mode regarding the read operation and the write operation on all of the non-volatile memories.

Abstract: A solid-state drive (SSD) power-mode control method that includes storing, in an active register, active mode control data used for switching the SSD from a low power mode to an active mode, storing, in a standby register, low power mode control data used for switching the SSD from the active mode to the low power mode, and controlling power supplied to the SSD in accordance with the low power mode control data or the active mode control data in response to the SSD switching (i) from the active mode to the low power mode or (ii) from the low power mode to the active mode.

Abstract: An electronic device includes: a switching regulator configured to generate a conversion voltage with respect to an input voltage, based on a switching signal of a first frequency, and output the conversion voltage; a stabilization circuit including a capacitor element connected to a load device via a first node and configured to generate a load voltage by stabilizing the conversion voltage by using the capacitor element and output the load voltage to the load device; a frequency sensing circuit configured to sense a frequency of the load voltage and output sensing information about the frequency of the load voltage; and a frequency booster circuit configured to form a first current path connected to the first node, based on the sensing information.

Abstract: Provided is a storage device including a power management integrated circuit chip; multiple non-volatile memories configured to receive power from the power management integrated circuit chip; and a controller configured to control the non-volatile memories, wherein the controller checks a state of the power during a read operation and a write operation on the non-volatile memories and, when a power failure is detected in at least one of the non-volatile memories, implements a power failure detection mode regarding the read operation and the write operation on all of the non-volatile memories.

Abstract: Provided is a storage device including a power management integrated circuit chip; multiple non-volatile memories configured to receive power from the power management integrated circuit chip; and a controller configured to control the non-volatile memories, wherein the controller checks a state of the power during a read operation and a write operation on the non-volatile memories and, when a power failure is detected in at least one of the non-volatile memories, implements a power failure detection mode regarding the read operation and the write operation on all of the non-volatile memories.

Abstract: A solid-state drive (SSD) power-mode control method that includes storing, in an active register, active mode control data used for switching the SSD from a low power mode to an active mode, storing, in a standby register, low power mode control data used for switching the SSD from the active mode to the low power mode, and controlling power supplied to the SSD in accordance with the low power mode control data or the active mode control data in response to the SSD switching (i) from the active mode to the low power mode or (ii) from the low power mode to the active mode.

Abstract: An electronic device includes: a switching regulator configured to generate a conversion voltage with respect to an input voltage, based on a switching signal of a first frequency, and output the conversion voltage; a stabilization circuit including a capacitor element connected to a load device via a first node and configured to generate a load voltage by stabilizing the conversion voltage by using the capacitor element and output the load voltage to the load device; a frequency sensing circuit configured to sense a frequency of the load voltage and output sensing information about the frequency of the load voltage; and a frequency booster circuit configured to form a first current path connected to the first node, based on the sensing information.

Abstract: Provided is a storage device including a power management integrated circuit chip; multiple non-volatile memories configured to receive power from the power management integrated circuit chip; and a controller configured to control the non-volatile memories, wherein the controller checks a state of the power during a read operation and a write operation on the non-volatile memories and, when a power failure is detected in at least one of the non-volatile memories, implements a power failure detection mode regarding the read operation and the write operation on all of the non-volatile memories.

Abstract: An electronic device includes a power connector, a power supply conductive line, and a pre-charge conductive line. The power connector includes a pre-charge pin and a power supply pin. The power supply conductive line has a first resistance, and is configured to electrically connect the power supply pin to a power supply node. The pre-charge conductive line has a second resistance, which is greater than the first resistance, and the pre-charge conductive line is configured to electrically connect the pre-charge pin to the power supply node without an intervening resistor between the pre-charge pin and the power supply node.

Abstract: A power supply device includes a transformer including primary winding and secondary winding, a sensor configured to sense at least one of output voltage and output current in the power supply device, a pulse width modulation (PWM) controller configured to perform PWM switching so that voltage is selectively provided to the primary winding based on one of the sensed output voltage and output current, and a regulator configured to stop PWM switching of the PWM controller and keep the PWM switching in stopped state when at least one of the sensed output voltage and output current exceeds a preset value.

Abstract: A power supply device includes a transformer including primary winding and secondary winding, a sensor configured to sense at least one of output voltage and output current in the power supply device, a pulse width modulation (PWM) controller configured to perform PWM switching so that voltage is selectively provided to the primary winding based on one of the sensed output voltage and output current, and a regulator configured to stop PWM switching of the PWM controller and keep the PWM switching in stopped state when at least one of the sensed output voltage and output current exceeds a preset value.