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A project log for USB BiPower OTG Flex Module

Bipolar power supply +/- 3.3V from USB. + rail is ~3A, - rail is ~300mA. For sale on Tindie.

chris-hamiltonChris Hamilton 09/26/2014 at 06:000 Comments

We are swapping parts.  Instead of the TPS62067, we are utilizing the TPS62086 buck converter for an increased current capability of 3A.  In addition, we are utilizing a LM2663MX instead of the TPS60401 to increase the -3.3V rail to 200mA.

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