According to the following thread, when ADCIN1 and ADCIN2 are tied to LDO_1V5, the decoded values should be 5 and 5:
https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1160350/tps25750-how-the-adcinx-pins-are-decoded
And according to this table in the datasheet (SLVSFR7A – JULY 2020 – REVISED NOVEMBER 2020, page 45), ADC decoded values 5 and 5 should enable AlwaysEnableSink:
It seems that the chip does not enable the sink path (VBUS_IN-PPHV) when started NOT in dead battery mode (i.e. 3v3 powered first).
When TPS configuration is loaded by host using I2C, the host boot process relies entirely on battery power until the configuration is loaded and sink path is enabled. If booting fails (i.e. because of battery near-empty detection) battery charging may start only after battery drains empty (or is disconnected).
Is this correct and is there a reason for this? The behavior seems to contradict with the "always enable sink" mode.
