Main components

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Part NumberDescription
nRF5340-CLXX
MAX170483μA 1-Cell Fuel Gauge with ModelGauge, TDFN-8-2x2
PCM5102A2.1 VRMS, 112dB Audio Stereo DAC with PLL and 32-bit, 384kHz PCM Interface, TSSOP-20
nPM1100-CAXXPMIC and Battery Charger, BGA-25

AuraPlug schematic

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AuraPlug board layout