Power conversion device

Details Power conversion device Power conversion device

2008-04-15

2010-10-19

Berhane, Adolf (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

Reexamination Certificate

active

07816899

ABSTRACT:
In a power conversion device having high side and low side switches connected to a coil, a direction of a coil current is determined during a dead time period where the respective switches turn off at the same time to make the increase/decrease ratio of the coil current correspond to a command value. Based on a direction detection signal and a PWM signal of a PWM signal generation unit, an operation mode of a power converter circuit is determined, and a ratio correction value and an offset value of the PWM signal is set with respect to a control period of the PWM signal. As a result, a change in the operation mode of the power converter circuit is detected to allow the increase/decrease ratio of the coil current to correspond to a command switching ratio.

REFERENCES:
patent: 7110269 (2006-09-01), Cao et al.
patent: 7518328 (2009-04-01), Balsiger
patent: 7729134 (2010-06-01), Kimura
patent: 2009/0115389 (2009-05-01), Chu et al.
patent: A-10-146088 (1998-05-01), None
patent: A-2004-120844 (2004-04-01), None
patent: A-2004-248374 (2004-09-01), None
patent: A-2006-087194 (2006-03-01), None
patent: WO 2006/104268 (2006-10-01), None

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