Control circuit for the current switch edges of a power transist

Details Control circuit for the current switch edges of a power transist Control circuit for the current switch edges of a power transist

1998-05-29

2000-10-17

Kim, Jung Ho

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Converting input voltage to output current or vice versa

327134, 327170, 327434, H02M 1100

Patent

active

061337668

ABSTRACT:
A battery-charging electronic device comprises a current generator adapted to supply a charging current to a battery and a controlled current edge switch having a circuit for controlling the switching edges of current being flowed through a power transistor. The switching edge control circuit comprises a controlled edge variable voltage generator for generating a controlled edge voltage signal, a voltage/current converter for converting the voltage signal to a controlled edge current signal, and a driver circuit for the power transistor being input the controlled edge current signal to mirror, onto the power transistor, an output current which is proportional to the controlled edge current signal.

REFERENCES:
patent: 4371826 (1983-02-01), Shelly
patent: 4947063 (1990-08-01), O'Shaughnessy et al.
patent: 5420499 (1995-05-01), DeShazo
patent: 5625306 (1997-04-01), Tada
patent: 5736879 (1998-04-01), Pham
patent: 5781060 (1998-07-01), Sugawara
patent: 5789955 (1998-08-01), Scheraga
patent: 5825218 (1998-10-01), Colli et al.

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