Partial switch gate driver

Details Partial switch gate driver Partial switch gate driver

2007-09-21

2009-06-23

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

C326S083000

Reexamination Certificate

active

07551007

ABSTRACT:
A power switch driver includes a top driver switch, a bottom driver switch, a driver node between them, and driver logic. The power switch driver can turn on the power switch by controlling a gate voltage of the power switch to a first voltage level and to turn off the power switch by controlling the gate voltage from a lower second voltage level. The driver logic may include a pulse width generator programmer and a pulse width generator. The pulse width generator is controlled by the pulse width generator programmer and an input signal. Some power switch drivers include a feedback loop, coupled to the driver node and to the driver logic. The feedback loop may include a track-and-hold circuit, coupled to the driver node, to the pulse width generator through an error amplifier and to the input terminal.

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