VOLTAGE CONVERTER WITH FIRST PUSH
First Claim
1. In a boost DC/DC power converter having a low voltage source, an inductor and a switching device coupled to form a series loop wherein the junction of the low voltage battery and switching device is coupled to a ground;
- a diode in series with a capacitor coupled across said switching device;
a voltage divider coupled across the capacitor; and
a pulse width modulator coupled across the voltage divider to receive power and to the voltage divider to receive an input from the voltage divider to provide an input to a control terminal of the switching device, said converter comprising;
a first push controller coupled across said switching device,wherein said low voltage source by itself is not capable of generating a voltage of sufficient magnitude to operate the switching device, andwherein the first push circuit provides a first push voltage of sufficient magnitude to turn the switching device on.
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Abstract
A boost DC/DC power converter is disclosed that has a low voltage source, an inductor and a switching device that forms a series loop, a diode in series with a capacitor coupled across the switching device, a voltage divider coupled across the capacitor and a pulse width modulator that is coupled to the voltage divider. The boost converter includes a first push controller coupled across the switching device to provide a first push voltage of sufficient magnitude to turn the switching device on where the low voltage source by itself is not capable of generating a voltage of sufficient magnitude to operate the switching device.
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Citations
16 Claims
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1. In a boost DC/DC power converter having a low voltage source, an inductor and a switching device coupled to form a series loop wherein the junction of the low voltage battery and switching device is coupled to a ground;
- a diode in series with a capacitor coupled across said switching device;
a voltage divider coupled across the capacitor; and a pulse width modulator coupled across the voltage divider to receive power and to the voltage divider to receive an input from the voltage divider to provide an input to a control terminal of the switching device, said converter comprising; a first push controller coupled across said switching device, wherein said low voltage source by itself is not capable of generating a voltage of sufficient magnitude to operate the switching device, and wherein the first push circuit provides a first push voltage of sufficient magnitude to turn the switching device on. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
- a diode in series with a capacitor coupled across said switching device;
Specification