Boost capacitor for an H-bridge integrated circuit motor control

Details Boost capacitor for an H-bridge integrated circuit motor control Boost capacitor for an H-bridge integrated circuit motor control

1997-06-30

2000-09-26

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Utilizing three or more electrode solid-state device

327110, 327390, 363 63, H03K 1756

Patent

active

061247510

ABSTRACT:
An H-bridge circuit having a boost capacitor coupled to the gate of the low-side driver. A driver, in the form of a switching transistor is connected between the load and ground, thus providing a low-side driver. A capacitor is coupled to the gate of the low-side driver to provide a boosted voltage for rapid turn on of the gate. The size of the capacitor selected to be similar to the size of the capacitance associated with the low-side driver transistor.

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