Load driver with reduced dissipation under reverse-battery condi

Details Load driver with reduced dissipation under reverse-battery condi Load driver with reduced dissipation under reverse-battery condi

1989-09-28

1991-02-12

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307571, 307584, 307270, 307127, H03K 1710, H03K 1716, H03K 17687, H03K 3013

Patent

active

049926837

ABSTRACT:
A relay-less load driver circuit includes an FET that couples a battery to a load. A bias circuit that selectively turns the FET on during normal operation also turns the FET on in reverse-battery conditions to avoid high power dissipation by an intrinsic diode associated with the FET.

REFERENCES:
patent: 4649302 (1987-03-01), Damiano et al.
"Energy-Saving RAM-Power Tap" in NASSA Tech Briefs, Sep. 1987, p. 21.

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