Electricity: power supply or regulation systems – Self-regulating – Using a three or more terminal semiconductive device as the...
Patent
1992-02-26
1993-08-31
Stephan, Steven L.
Electricity: power supply or regulation systems
Self-regulating
Using a three or more terminal semiconductive device as the...
323314, 323907, 322 33, G05F 316, H02J 716
Patent
active
052412610
ABSTRACT:
A thermally dependent self-modifying voltage source (115) is constructed with a first reference circuit (301) having a control input (311), a primary output (117) dependent on the control input, and a thermally dependent secondary output (303). The thermally dependent self-modifying voltage source also includes a thermally dependent reference (309) with an output (307). The thermally dependent secondary output (303) of the first reference circuit (301) and output (307) of the thermally dependent reference (309) are coupled to inputs of an amplifier (305). The amplifier (305) has an output (313) coupled to the control input (311) of the first reference circuit (301), wherein the primary output (117) of the first reference circuit is dependent on the amplified difference between the thermally dependent secondary output (303) of the first reference circuit and the output (307) of the thermally dependent reference (309). Preferably, the primary output (117) is used in a voltage regulator (121) for use in alternator based battery charging system (100).
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Bauser Philippe B.
Edwards Arthur J.
Dougherty Thomas M.
Melamed Phillip H.
Moore John H.
Motorola Inc.
Stephan Steven L.
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