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imutag daughtercard

geoffreymbrown

Architecture to enable the creation of sub-gram sub-uA data loggers.

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Main components

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Part NumberDescription
LPS22DFMEMS absolute pressure sensor, 260-1260 hPa, 1-200Hz ODR, 24bit, I2C/I3C/SPI interface, 2x2mm ST_HLGA-10L
stm32l431kc
AK09940A
LSM6DSV
RV-3028-C7
TPS7A2018PDQN300 mA Low Dropout Voltage Regulator, Fixed Output, 1.6..6.0Vin, Low-Noise (7μV RMS), 6.5μA IQ LDO, X2SON-5

imutag daughtercard schematic

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imutag daughtercard board layout