Accurately setting parameters inside integrated circuits...

Details Accurately setting parameters inside integrated circuits... Accurately setting parameters inside integrated circuits...

2007-08-28

2010-02-23

Sterrett, Jeffrey L (Department: 2838)

Data processing: generic control systems or specific application

Generic control system, apparatus or process

Optimization or adaptive control

C700S028000

Reexamination Certificate

active

07668607

ABSTRACT:
The control precision of one or more parameters of an integrated circuit (IC), for example the output voltage of a voltage regulator comprised in the IC, may be improved even when using inaccurate components external to the IC. Control of the output voltage, or any parameter, using components external to the IC may include coupling a resistor to the IC and measuring the actual resistance value of the resistor, and based on the measured value, selecting a nominal resistance value from a set of resistance values previously specified by the user. The output voltage, or parameter, may be generated according to the nominal resistance value instead of the actual resistance value, thereby reducing the error that may be incurred due the actual resistance value of the resistor not matching the expected nominal value of the resistor. The difference between each adjacent resistance value in the set of resistance values may be selected to be greater than the greatest measurement error that may be incurred during measuring the actual resistance value.

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