Power supply control device having memory tables for providing a

Details Power supply control device having memory tables for providing a Power supply control device having memory tables for providing a

1991-03-04

1993-10-19

Voeltz, Emanuel T.

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

323265, 323349, 363 41, 363 95, G05F 1565, H02M 3157

Patent

active

052549372

ABSTRACT:
Control apparatus for controlling a driving unit which receives DC power, wherein the driving unit has a detecting device for detecting a driving condition of the driving unit, includes detection circuitry for detecting a power supply condition of the DC power supplied to the driving unit. A memory is provided for storing a predetermined range of driving unit driving condition values verses a predetermined range of driving unit control signals. The memory has a plurality of tables, each table storing a portion of the predetermined range of driving unit driving condition values and a corresponding portion of the predetermined range of driving unit control signals. A control unit is provided for (1) selecting one of the plurality of tables according to the detected power supply condition, (2) selecting a driving unit control signal according to the detected driving condition of the driving unit, and (3) controlling the driving unit in accordance with the selected driving unit control signal.

REFERENCES:
patent: 4447786 (1984-05-01), Saar et al.
patent: 4595976 (1986-06-01), Parro, II
patent: 4598243 (1986-07-01), Kawakami
patent: 4615000 (1986-09-01), Fujii et al.
patent: 4622628 (1986-11-01), Murasaki et al.
"Power MOSFETs take the load off switching supply design" Pelly et al., Electronic Design, Feb. 17, 1983, pp. 135-139.

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