ADP3510
Table I. LDO Control Logic
Phone Status
State #1 battery
deep discharged
L X X X X X OFF OFF OFF OFF OFF OFF OFF OFF
State #2 phone off H L X X X X OFF OFF OFF OFF OFF ON OFF OFF
State #3 phone off,
turn on allowed
H H L H L X OFF OFF OFF OFF OFF ON OFF OFF
State #4 charger
applied
H H H X X L ON ON ON ON ON ON OFF** ON
State #5 phone
turned on by user key H H X L X L ON ON ON ON ON ON OFF** ON
State #6 phone
turned on by BB
H H L H H L ON ON ON OFF ON ON OFF ON
State #7 phone and
TCXO LDO kept
on by BB
H H L H H H ON ON ON ON ON ON ON ON
*UVLO is only active when phone is turned off. UVLO is ignored once the phone is turned on.
**Controlled by TCXOEN.
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