Low-side bidirectional battery disconnect switch

Details Low-side bidirectional battery disconnect switch Low-side bidirectional battery disconnect switch

1994-12-30

1997-11-18

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Utilizing three or more electrode solid-state device

327434, 327534, H03K 1756

Patent

active

056892098

ABSTRACT:
A bidirectional battery disconnect switch, i.e., a switch which is capable of blocking a voltage in either direction when open and conducting a current in either direction when closed, is disclosed. The switch includes a four-terminal MOSFET having no source/body short and circuitry for assuring that the body is shorted to whichever of the source/drain terminals of the MOSFET is biased at a lower voltage.

REFERENCES:
patent: 4617473 (1986-10-01), Bingham
patent: 4728825 (1988-03-01), Sugayama et al.
patent: 4847522 (1989-07-01), Fuller et al.
patent: 5280455 (1994-01-01), Kanaishi
patent: 5420451 (1995-05-01), Williams et al.
patent: 5430403 (1995-07-01), Moyer et al.
patent: 5434526 (1995-07-01), Tanigashira et al.

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