Low voltage CMOS driver for inductive loads

Details Low voltage CMOS driver for inductive loads Low voltage CMOS driver for inductive loads

2005-12-09

2008-12-02

Tran, Anh Q. (Department: 2819)

Electronic digital logic circuitry

Interface

Current driving

C326S082000, C326S119000

Reexamination Certificate

active

07459937

ABSTRACT:
A low voltage Complementary Metal Oxide Semiconductor (CMOS) driver circuit for inductive loads is described. The circuit includes at least two first transistor devices, each first transistor device having a drain coupled to an inductive load, a respective second transistor device corresponding to each first transistor device having a drain coupled to a gate of the corresponding first transistor device, and a respective third transistor device corresponding to each first transistor device having a drain coupled to a source of the corresponding first transistor device. If a second transistor device corresponding to a first transistor device of the two first transistor devices is turned off, then a third transistor device corresponding to the remaining first transistor device is turned off, a gate of the first transistor device is floating and a drain-to-gate voltage at the first transistor device is reduced to below a predetermined supply voltage applied at a source of the respective second transistor device.

REFERENCES:
patent: 2001/0018326 (2001-08-01), Link, II
patent: 2003/0128015 (2003-07-01), Zuniga et al.

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