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Smart Drive

Based on ST’s field-proven high-voltage IC technology, the new smartDRIVETM L639x family embeds a rich set of functionalities, including an integrated comparator for protection, an op amp suitable for current sensing (especially for field-oriented motor drive applications), a smart shutdown to improve system protection, and an integrated bootstrap diode. This all helps reduce part count and the cost in your power conversion application, as in motor control, electronic lighting ballast and switch mode power supply design. 
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