Multi-mode pulse-width modulator for power control applications
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United States of America Patent
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Jul 2, 2002
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N/A
app pub date -
Nov 20, 2001
filing date -
Nov 20, 2001
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Abstract
A multi-mode modular pulse-width-modulator capable of outputting low-speed and high-speed control signals is presented. The operation of the modulator is determined by parameters that are stored within the modulator and provide for high-speed updating and control capability in response to changes in voltage or current. In one mode, an update and control signal is generated based on timing parametric data stored in a local memory. In a second mode, an update and control signal is generated based on timing parametric data that provided by an external input device. Furthermore, control variables are also stored locally which control the position of switches, which alter signal paths within the modulator.
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