Datasheet

Analog Integrated Circuit Device Data
16 Freescale Semiconductor
34671
FUNCTIONAL DEVICE OPERATION
STATE DIAGRAM
STATE DIAGRAM
Figure 22. Charge Cycle State Diagram
TRICKLE
CHARGE
Charger: ON
FAST CHARGE
Charger: ON
CHARGE
COMPLETE
Charger: ON
V
IN
>V
POR
EN=low
and V
IN
<V
OVP
and V
IN
>V
BAT
+V
OS
V
BAT
> 2.7V
V
BAT
=4.2V
and I
BAT
< I
EOC
V
BAT
<4.10V
EN=high
or V
IN
>V
OVP
or V
IN
<V
BAT
+V
OS
SHUTDOWN
Charger: OFF
PWR OFF
Charger: OFF
V
IN
<V
POR
V
BAT
< 2.7V
V
BAT
< 2.7V