Zero current enable circuit

Details Zero current enable circuit Zero current enable circuit

1996-06-05

1998-06-02

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327 77, 327 88, 327544, H03K 522

Patent

active

057606153

ABSTRACT:
A zero current enable circuit and zero current enable method are disclosed. The integrated circuit features at least one sense circuit and a logic gate. The sensing circuit combines a broken band gap reference voltage, a voltage divider, a voltage clamp, a comparator, and a logic gate to generate an enable signal.

REFERENCES:
patent: 4388706 (1983-06-01), Butler
patent: 4625129 (1986-11-01), Ueno
patent: 4994691 (1991-02-01), Naghshineh
patent: 5013934 (1991-05-01), Hobrecht et al.
patent: 5034635 (1991-07-01), Ten Eyck
patent: 5039881 (1991-08-01), Ooms et al.
patent: 5138196 (1992-08-01), Satou et al.
SGS-Thomson Microelectronics, L4939 Data Sheet and Circuit Diagram, Dual Multifunction 5V Voltage Regulator Aug. 1992.
"A Simple Three-Terminal IC Bandgap Reference", Brokaw, IEEE Journal, vol. SC-9, pp. 388-393 Dec. 1974.
"Bipolar and MOS Analog Integrated Circuit Design", Grebene, pp. 351-369, 1984.

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