Programmable voltage regulator
First Claim
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1. A circuit comprising:
- a variable voltage generator coupled to receive an input voltage, wherein the variable voltage generator comprises a follower circuit, and wherein the follower circuit comprises an amplifier coupled with a switching element;
a non-volatile memory coupled to said variable voltage generator, said nonvolatile memory coupled to receive programming for controlling an output voltage of said variable voltage generator; and
a processing element coupled with the nonvolatile memory and the variable voltage generator.
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Abstract
A circuit in accordance with one embodiment of the invention can include a variable voltage generator that is coupled to receive an input voltage. Furthermore, the circuit can include a non-volatile memory that is coupled to the variable voltage generator. The non-volatile memory can be coupled to receive programming for controlling an output voltage of the variable voltage generator.
108 Citations
19 Claims
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1. A circuit comprising:
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a variable voltage generator coupled to receive an input voltage, wherein the variable voltage generator comprises a follower circuit, and wherein the follower circuit comprises an amplifier coupled with a switching element; a non-volatile memory coupled to said variable voltage generator, said nonvolatile memory coupled to receive programming for controlling an output voltage of said variable voltage generator; and a processing element coupled with the nonvolatile memory and the variable voltage generator. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A circuit comprising:
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a variable voltage generator coupled to receive a voltage supply, wherein the variable voltage generator comprises a follower circuit, and wherein the follower circuit comprises an amplifier coupled with a switching element; a supervisor subsystem; a processing element coupled to said variable voltage generator, said processing element coupled to receive programming for controlling an output voltage of said variable voltage generator; and a non-volatile memory coupled to said processing element, said non-volatile memory to store said programming. - View Dependent Claims (9, 10, 11, 13, 14)
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12. A circuit comprising:
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a variable voltage generator coupled to receive a voltage supply, wherein the variable voltage generator comprises a follower circuit, and wherein the follower circuit comprises an amplifier coupled with a switching element; a supervisor subsystem; and a processing element coupled to said variable voltage generator, said processing element coupled to receive programming for controlling an output voltage of said variable voltage generator; and wherein said variable voltage generator further comprises a first resistor ladder and a first multiplexer, wherein said supervisor subsystem comprises a second resistor ladder and a second multiplexer, and wherein said processing element can be used for disabling an output voltage of said circuit when said voltage supply crosses a threshold.
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15. A method comprising:
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receiving an input voltage; receiving a reference voltage; storing data with non-volatile memory; and with a processing element coupled to said non-volatile memory and a variable voltage generator, utilizing said input voltage and said reference voltage to generate a regulated output voltage having a value set by said data stored by said non-volatile memory; and regulating the regulated output voltage using a follower circuit, wherein the follower circuit comprises an amplifier coupled with a switching element. - View Dependent Claims (16, 17, 18, 19)
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Specification