ISOLATED DIGITAL TRANSMISSION WITH IMPROVED EMI IMMUNITY
First Claim
1. A circuit, comprising:
- a primary side,a secondary side, andan isolated energy transfer device electrically isolating the primary side and the secondary side,wherein the primary side comprises;
a first energy storage device coupled to a power source,a control system coupled to the first energy storage device for power,a second energy storage device, anda coupling system, coupled to the control system, to selectively couple the second energy storage device to the power source in a first phase and to selectively couple the second energy storage device to the primary side of the isolated energy transfer device during a second phase.
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Accused Products
Abstract
Embodiments of the present invention may provide a circuit. The circuit may include a primary side, a secondary side, and an isolated energy transfer device electrically isolating the primary side and the secondary side. The primary side may include a first energy storage device coupled to a power source, a control system coupled to the first energy storage device for power, a second energy storage device, and a coupling system, coupled to the control system, to selectively couple the second energy storage device to the power source in a first phase and to selectively couple the second energy storage device to the primary side of the isolated energy transfer device during a second phase.
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Citations
18 Claims
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1. A circuit, comprising:
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a primary side, a secondary side, and an isolated energy transfer device electrically isolating the primary side and the secondary side, wherein the primary side comprises; a first energy storage device coupled to a power source, a control system coupled to the first energy storage device for power, a second energy storage device, and a coupling system, coupled to the control system, to selectively couple the second energy storage device to the power source in a first phase and to selectively couple the second energy storage device to the primary side of the isolated energy transfer device during a second phase. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method for transmitting data across an isolation barrier, comprising:
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coupling a first energy storage device to a power source; supplying power to a control system using the first energy storage device; responsive to at least one control signal generated by the control system, coupling a second energy storage device to the power source during a charge phase, and coupling the second energy storage device to a primary side of an electrically isolating energy transfer device during a dump phase. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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Specification