Current limiting MOSFET structure for solid state relays

Details Current limiting MOSFET structure for solid state relays Current limiting MOSFET structure for solid state relays

2007-06-07

2009-02-10

Pert, Evan (Department: 2826)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

C361S093900, C361S098000, C361S111000, C327S521000, C327S566000, C327S581000, C257S378000, C257S401000

Reexamination Certificate

active

07489490

ABSTRACT:
A current-limiting circuit for limiting rising of a current above a predetermined level. The circuit including forward- and reverse-conducting devices, each device including a MOS and a bipolar transistor, wherein ON-resistance of one of the devices is used instead of a current-sensing resistance for another of the devices; and a gate driver connected to the gates of the forward- and reverse-conducting devices for controlling the devices such that a channel of each of the devices simultaneously conducts a current.

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