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TPS82084
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Efficient USB to 3.3V

3 days ago 18
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Description

Work in progress - untested circuit created by a hobbyist!

This is a highly efficient USB 4.5V-5.7V to 3.3V max. 2A step-down converter, based on TI TPS82084 8-pin MicroSIP module, with backfeed protection.

According to TI Webench Design Report, this should be 90%+ efficient at 1mA - 10mA output, and 93%+ efficient at 10mA - 1850mA output, over the valid input voltage range.

Documents

Revision 1.0

Revision 2.0

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