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dkadish / BioAcousticIndexTool

Smart sensor to calculate acoustic indices and capture environmental data in the field.
MIT License
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Test power consumption of SGTL5000 under sleep mode #19

Closed dkadish closed 1 year ago

dkadish commented 1 year ago

SGTL doesn't really have a sleep mode. Has a set of registers that can be disabled. But the disable in the library doesn't actually disable them. See https://github.com/PaulStoffregen/Audio/blob/master/control_sgtl5000.h#L44

Could benefit from an LDO.

To test, see power consumption BEFORE enable versus after.

dkadish commented 1 year ago

The SGTL power consumption was tested by having the chip off for a number of cycles and then enabling it.

Mode Current (mA) Power (mW)
Dis -125 -502
Dis -125 -501
Dis -125 -501
Dis -125 -501
En -125 -501
En -125 -501
En -125 -501

This test seemed unsuccessful.

dkadish commented 1 year ago

Conclusion is to add an optional LDO for the SGTL in #16