FLY E185
Service Manual
1. Charge Detection
The PMU charger block has a detection circuit that senses the charger plug-in/out and provides the
correct information to the baseband. If CHRIN is over 4.3V, charger detection will be report to
baseband and charger circuit will be enabled. If the CHRIN voltage is over 7V, charger will send
an invalid signal to baseband for further indication. The stop of charging when CHRIN is over 7V
could be achieved by external component.
CKT Confidential
Page 18 of 47
