On our MX53 board (it is based on MX53 SMD) we have a cell battery which provides power to DA9053. When the DA9053 RTC is enabled, the date can be saved after the board is powered off. But after one or two days (or even less) the date lost and the cell battery has low power. It seems DA9053 consumes much power in power off mode so that the cell battery runs into empty quickly? Is this a known issue of DA9053? Besides RTC, which modues inside DA9053 consume power too in power off mode?
We have charged the cell battery before the test, so it should not be a cell battery issue. We tested with both Android/Linux. Thanks.