ACT2802
Rev 0, 21-Jan-14
FUNCTIONAL DESCRIPTION
the end of charge (EOC) threshold, defined as 13%
of fast charge current. When this happens, the state
machine terminates the charge cycle and jumps to
the EOC state.
charge mode and keep monitoring the battery
voltage.
Recharge
When battery voltage drops by 200mV below the
end of charge voltage, the charger is reinitiated
with constant current charge.
End of Charge
When charges current decreases to 13% of set fast
charge current, the buck converter goes into end of
Figure 2.
Typical Li+ Charge Profile and ACT2802 Charge States
A: PRECONDITION STATE
B: FAST-CHARGE STATE
C: TOP-OFF STATE
D: END-OF-CHARGE STATE
Figure 3.
Charger State Diagram
Innovative PowerTM
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