A compact, decorative and multi-functional portable power charger and cable apparatus includes a portable charger unit with a housing where the housing encloses an internal rechargeable battery unit for connecting to and recharging one or more electronic devices, and a charging cable extending from the charger housing and in operative communication with the rechargeable battery. At least the charger housing is surrounded by an aesthetic feature, which can comprise a tasseled fitting, a puffball, a luggage tag, or a doll or teddy bear to hide the charger unit. Electrical fittings including power connection interfaces for connecting the charger and cable apparatus with at least one electronic device, or an external power source, or both, can be provided on the charging cable and also hidden by the aesthetic feature. The power charger and cable apparatus can be attached to a fashion accessory, such as a purse, a bag, luggage or clothing.

A compact, decorative and multi-functional portable power charger and cable apparatus includes a portable charger unit with a housing where the housing encloses an internal rechargeable battery unit for connecting to and recharging one or more electronic devices, and a charging cable extending from the charger housing and in operative communication with the rechargeable battery. At least the charger housing is surrounded by an aesthetic feature, which can comprise a tasseled fitting, a puffball, a luggage tag, or a doll or teddy bear to hide the charger unit. Electrical fittings including power connection interfaces for connecting the charger and cable apparatus with at least one electronic device, or an external power source, or both, can be provided on the charging cable and also hidden by the aesthetic feature. The power charger and cable apparatus can be attached to a fashion accessory, such as a purse, a bag, luggage or clothing.

Systems and methods described herein a sensor integrated circuit (IC) is provided having a protection circuit configured to protect circuitry within the IC from a transient pulse on a connection (i.e., power pin) to a power supply that is configured to provide power to the IC. The protection circuit can be disposed in a current path between a power pin of the IC and additional circuitry or nodes within the IC, such as but not limited to, a regulator or a bi-directional current source. The protection circuit includes a reverse blocking device having a first terminal coupled to the power supply at which a predetermined power supply voltage is provided and a second terminal coupled to an input of the regulator.

Systems and methods described herein a sensor integrated circuit (IC) is provided having a protection circuit configured to protect circuitry within the IC from a transient pulse on a connection (i.e., power pin) to a power supply that is configured to provide power to the IC. The protection circuit can be disposed in a current path between a power pin of the IC and additional circuitry or nodes within the IC, such as but not limited to, a regulator or a bi-directional current source. The protection circuit includes a reverse blocking device having a first terminal coupled to the power supply at which a predetermined power supply voltage is provided and a second terminal coupled to an input of the regulator.

Circuitry for controlling current between a load and a power supply, the circuitry comprising: an output stage comprising: an input node configured to be coupled to the power supply; and an output node configured to be coupled to the load; and one or more control nodes for controlling a conduction path between the input node and the output node; and protection circuitry coupled to the one or more control nodes, the protection circuitry configured to break the conduction path between the input node and the output node when a load voltage at the output node exceeds a supply voltage at the input node, wherein the protection circuitry comprises: an active protection circuit configured to break the conduction path when the supply voltage exceeds an operational threshold of the active protection circuit; and a passive protection circuit configured to break the conduction path when the supply voltage is below an operation threshold of the active protection circuit.

Circuitry for controlling current between a load and a power supply, the circuitry comprising: an output stage comprising: an input node configured to be coupled to the power supply; and an output node configured to be coupled to the load; and one or more control nodes for controlling a conduction path between the input node and the output node; and protection circuitry coupled to the one or more control nodes, the protection circuitry configured to break the conduction path between the input node and the output node when a load voltage at the output node exceeds a supply voltage at the input node, wherein the protection circuitry comprises: an active protection circuit configured to break the conduction path when the supply voltage exceeds an operational threshold of the active protection circuit; and a passive protection circuit configured to break the conduction path when the supply voltage is below an operation threshold of the active protection circuit.

The present disclosure provides a method for controlling a surgical instrument. The method includes connecting a power assembly to a control circuit, wherein the power assembly is configured to provide a source voltage, energizing, by the power assembly, a voltage boost convertor circuit configured to provide a set voltage greater than the source voltage, and energizing, by the voltage boost convertor, one or more voltage convertors configured to provide one or more operating voltages to one or more circuit components.

The present disclosure provides a method for controlling a surgical instrument. The method includes connecting a power assembly to a control circuit, wherein the power assembly is configured to provide a source voltage, energizing, by the power assembly, a voltage boost convertor circuit configured to provide a set voltage greater than the source voltage, and energizing, by the voltage boost convertor, one or more voltage convertors configured to provide one or more operating voltages to one or more circuit components.

The present disclosure provides a method for controlling a surgical instrument. The method includes connecting a power assembly to a control circuit, wherein the power assembly is configured to provide a source voltage, energizing, by the power assembly, a voltage boost convertor circuit configured to provide a set voltage greater than the source voltage, and energizing, by the voltage boost convertor, one or more voltage convertors configured to provide one or more operating voltages to one or more circuit components.

The present disclosure provides a method for controlling a surgical instrument. The method includes connecting a power assembly to a control circuit, wherein the power assembly is configured to provide a source voltage, energizing, by the power assembly, a voltage boost convertor circuit configured to provide a set voltage greater than the source voltage, and energizing, by the voltage boost convertor, one or more voltage convertors configured to provide one or more operating voltages to one or more circuit components.