Embodiments of the disclosure disclose a care apparatus and a charging assembly. By connecting a switch module in series in a power supply circuit of the charging assembly, the power supply circuit for charging a care apparatus body is controlled to be on and off through the switch module. In a…
A power conversion apparatus and an energy storage apparatus. The power conversion apparatus includes a switch module, a power conversion module, a first processing module, and a second processing module, the power conversion module receives, by using the switch module, power discharged by a…
Embodiments of the present invention provide a switching circuit. The circuit comprises: a charging sub-circuit, which has a first input end and an output end; a switching sub-circuit, which has a first end, a second end, and a control end, wherein the control end of the switching sub-circuit is…
Circuits, systems, and methods are disclosed to eliminate the requirement for an external electromechanical contactor. Integrating contactor circuits with a motor controller reduces cost. Additionally, the cost of the contactor circuit may be reduced by providing transistors designed to block…
This document discusses, among other things, a method for disabling an internal power pack comprising receiving a command from an external source at a processor for a portable electronic device. The command can instruct the portable electronic device to disable an internal power pack for the…
Generally, a system includes a control circuitry configured to detect a current wherein the detected current is one of a battery discharge current or a battery charging current; a first transistor configured to disconnect a load from at least one of a battery and a DC/DC converter if the battery…
There is provided an electric circuit including a semiconductor switch that is inserted in a positive side power line; and converting means for converting an input voltage input to an input side terminal to a predetermined output voltage and for outputting the output voltage from an output side…
A battery charging system (15) and method for state controlled charging of a battery (12). The battery charging system comprises two parallel paths (16, 17) for supplying charging current to the battery (12) from two parallel sources of charging current, an energy source (13) and a controlled…
Provided is a switching device (3) including: a first switching element (5) primarily used for formation of a two-way current path; and a second switching element (6) that interrupts a parasitic diode at the time when the first switching element (5) is turned off. The second switching element (6)…
Provided is a switching device (3) including: a first switching element (5) primarily used for formation of a two-way current path; a second switching element (6) that forms, at the time when the first switching element (5) is turned off, a current path by switching a parasitic diode from another…
A battery protection circuit is provided that includes a safety circuit and an overpower circuit. The safety circuit monitors the voltage and current of at least one rechargeable cell within the battery pack, and disconnects the cell(s) from the external terminals of the battery pack when either…
The device has a battery protection circuit (107a) stopping current, when current of a preset value or higher is output from a battery. A detection circuit detects current and voltage values of a preset circuit. A control circuit (108) executes an operation of the protection circuit and the…
Battery pack 10 may include rechargeable battery 12 and remaining capacity indicating circuit 14 for indicating the remaining capacity of the battery 12. Remaining capacity indicating circuit 14 may be coupled to the battery 12 via first switch SW1. When first switch SW1 is turned ON, a current…
A power supply arrangement for supplying power from a battery (2) to an electric load (3) comprises a controlled switch (4) having a first state in which a connection is provided from the battery (2) to the load (3), and a second state in which the load (3) is disconnected from the battery (2), and…
An embodiment of the present invention comprises apparatus for and method of managing and distributing power from a supply of limited power. A plurality of outlets is connected to a plurality of power units. In accordance with the present invention, an amount of power drawn by the outlets is…
Battery-powered tools may include battery 1 or battery pack BP and a drive source (e.g., motor M) for generating power using current supplied from the battery. A switch 3 may electrically connect the battery to the drive source. A voltage detector may detect the output battery voltage of the…
When rechargeable batteries have been discharged to a selected voltage reference level, LED 29 (and/or buzzer BZ) and controller 32 may warn the operator that the rechargeable batteries should be recharged. Controller 32 may change the selected reference voltage level based upon use history…
An external power source control system for a portable telephone includes: a regulator 5 connected at an input thereof to a battery power source 1 or an external power source 2 and outputting a power supply voltage; a one-shot pulse generating circuit 6 generating a one-shot pulse when the external…
Device intended to smooth current and voltage transients and consequently prevent the formation of an electric arc during the connection operation by which a charged power battery (1) is put into circuit with an electrical power equipment (2) that it must supply, and/or during the reverse…
The present invention relates to a battery cut-out for an automotive vehicle, comprising a disconnecting element (23) for disconnecting the current supply from a battery (21). The battery cut-out also includes an intelligent control unit (28) which is connected to other vehicle units (25,32).
The method involves assigning an available charge quantity per time unit, preferably per day, the control unit on the basis of the charge capacitance of the charge-coupled device. The charge use of the control unit is monitored and its control movement is limited if the actual charge quantity used…