Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Current driver
Reexamination Certificate
2011-04-26
2011-04-26
Donovan, Lincoln (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Current driver
C327S108000
Reexamination Certificate
active
07932754
ABSTRACT:
A system, apparatus and method is arranged to adaptively adjust drive signals for a gate controlled switch circuit such that the amount of gate swing automatically changes based on the load conditions. An adaptive gate charge modulation (GCM) technique can be utilized to dynamically adjust the drive signals so that a substantially constant voltage drop is perceived across to a gate controlled switch circuit. The voltage drop across the gate controlled switch circuit can be set to a reference level that is adjusted whenever a change in system conditions are detected. The gate charge can then be adaptively increased and decreased during operation, within maximum and minimum limits, to substantially match the voltage drop of the gate control switch circuit to the reference level.
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Broach Michael Eugene
Mulligan Michael D.
Donovan Lincoln
National Semiconductor Corporation
Rojas Daniel
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