Abnormal heavy current production preventing apparatus

Details Abnormal heavy current production preventing apparatus Abnormal heavy current production preventing apparatus

1999-04-19

2000-11-07

Berhane, Adolf Deneke

Electricity: power supply or regulation systems

In shunt with source or load

Using choke and switch across source

323284, 363 50, G05F 110, H02H 710

Patent

active

061441929

ABSTRACT:
Preventing apparatus includes a switch in series with a battery in a DC/DC converter or a motor driving circuit driven by the battery. The apparatus is also provided with a detector for detecting the gate voltage of a heavy current driving FET transistor or the like used in the DC/DC converter or the motor driving circuit. The detector switches off the switch to thereby prevent an abnormal heavy current from continuing to flow, except during the normal operation period of the DC/DC converter or the motor driving circuit, when it is detected that the gate voltage of the FET transistor is at a predetermined value or higher.

REFERENCES:
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patent: 4999663 (1991-03-01), Nakamura
patent: 5323102 (1994-06-01), Torii et al.
patent: 5371568 (1994-12-01), Takagi et al.
patent: 5598100 (1997-01-01), Maeda et al
patent: 5672918 (1997-09-01), Kimbrough et al.
patent: 5850136 (1998-12-01), Kaneko

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