Powering of a Charge with a Floating Node
AssigneeSTMicroelectronics (Rousset) SAS
InventorPhilippe Bienvenu
Life of this patent
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Abstract
A circuit includes a current source series-connected with a load between first and second terminals and an element coupled in parallel with the load between the first and second terminals. A value of a current in the current source is controlled based on a current flowing in the element between the first and second terminals. The value of the current in the current source is controlled proportional to power consumption in the load based on the current flowing in the element between the first and second terminals. The element is used to limit a voltage across the load while the value of the current is being controlled.
Claims20
A method of operating a circuit that includes a current source that is series-connected with a load between first and second terminals and also includes an element coupled in parallel with the load between the first and second terminals, the method comprising:
- controlling a value of a current in the current source based on a current flowing in the element between the first and second terminals, wherein the value of the current in the current source is controlled proportional to a power consumption in the load based on the current flowing in the element between the first and second terminals;
- and
- while controlling the value of the current, using the element to limit a voltage across the load.
A method comprising:
- controlling a value of a current flowing through a load at a first time when the load has a power consumption of a first magnitude, the controlling limiting a voltage across a first terminal and a second terminal, wherein the load is coupled between the first terminal and the second terminal;
- and
- adjusting the value of the current flowing through the load at a second time when the load has a power consumption of a second magnitude that is different than the first magnitude.
A method comprising:
- causing a current to flow through a load coupled between a first reference voltage terminal and a second reference voltage terminal;
- and
- controlling a value of the current flowing through the load based on a current flowing in a diode coupled between the first reference voltage terminal and the second reference voltage terminal, wherein the value of the current flowing through the load is controlled proportional to power consumption in the load based on the current flowing in the diode so that the value of the current flowing through the load is adjusted when a power consumption in the load changes.
Dependencies are inferred from the claim text.