PinoutChart
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Power
PowercanbesuppliedusingaUSBMini‐BcablefromaUSBChargerorastandardUSBPort,though
thedatalinesarenotconnectedtoanything.Optionally,powercanbeprovidedthroughtheVIN
headerontheboardedge.
imp003‐breakoutincludesfootprintoptionsfortwodifferentpowersupplies.
Bydefault,a3.3V
LDOispopulatedasthesystempowersupply.UsingtheLDOpowersupply,itisnotrecommended
thatthesupplyvoltageexceed6V,forheatdissipationreasons.
Alternatively,footprintsareincludedforaTITPS62172DC/DCbuckpowersupply.Ifthisoptionis
usedinplace
oftheLDO,theboardcansafelybeoperatedfrom3.3Vto17VDC.
Bothpowersupplyoptionsincludereverse‐voltageprotection,whichisespeciallyhelpfulforany
applicationwithremovablebatterieswheretheymaybeinsertedbackwardsbytheuser.