Systems and methods for current management for digital logic devices
AssigneeHoneywell International Inc.
InventorsThomas J. Bingel, Deanne Tran
Life of this patent
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Abstract
Systems and methods for current management for digital logic devices are provided. In one embodiment, a method of current management for a digital logic circuit comprises drawing power to drive a digital logic integrated circuit; determining a priori information about an impending current need of the digital logic integrated circuit; and controlling a bypass current in parallel with the digital logic integrated circuit based on the a priori information, wherein the bypass current is controlled to reduce discontinuities in the current supplied by a power supply.
Claims20
A current management system for a digital logic circuit, the system comprising:
- a controllable current sink connected in parallel with a digital logic integrated circuit and adapted to draw a bypass current based on a control signal;
- a current controller responsive to the digital logic integrated circuit, the current controller adapted to output the control signal to the controllable current sink;
- and
- wherein the current controller is adapted to ramp the bypass current to a switching level based on a priori information about an impending current need of the digital logic integrated circuit and further adapted to ramp the bypass current from the switching level to a steady state level after the impending current need of the digital logic integrated circuit is completed.
A method of current management for a digital logic circuit, the method comprising:
- drawing power to drive a digital logic integrated circuit;
- determining a priori information about an impending current need of the digital logic integrated circuit;
- and
- controlling a bypass current in parallel with the digital logic integrated circuit based on the a priori information, wherein the bypass current is controlled to reduce discontinuities in a current supplied to the digital logic integrated circuit.
A digital logic circuit, the circuit comprising:
- a digital logic integrated circuit;
- a current management system coupled to the digital logic integrated circuit, the current management system including a controllable current sink connected in parallel with the digital logic integrated circuit and further including a current controller coupled to the controllable current sink;
- and
- wherein the controllable current sink is adapted to draw a bypass current from a digital logic power supply based on a control signal from the current controller, the current controller is adapted to control the bypass current based on a priori information about an impending current need of the digital logic integrated circuit, and wherein the bypass current is controlled to reduce discontinuities in the current supplied by the digital logic power supply.
A current management system for a digital logic circuit, the system comprising:
- means for controlling a bypass current, the means for controlling adapted to control the bypass current based on a priori information about an impending current need of a digital logic integrated circuit, wherein the bypass current is controlled to reduce discontinuities in a current supplied to the digital logic integrated circuit;
- and
- means for drawing the bypass current, the means for drawing the bypass current connected electrically in parallel with the digital logic integrated circuit and responsive to the means for controlling.
A computer-readable medium having computer-executable instructions for performing a method of current management for a digital logic circuit, the method comprising:
- determining a priori information about an impending current need of a digital logic integrated circuit;
- and
- controlling a bypass current in parallel with the digital logic integrated circuit based on the a priori information, wherein the bypass current is controlled to reduce discontinuities in a current supplied to the digital logic integrated circuit.
Dependencies are inferred from the claim text.