ISL6297 Intersil Corporation, ISL6297 Datasheet - Page 6

• Manufacturer Part Number: ISL6297
• Description: Li-ion/Li Polymer Battery Charger
• Manufacturer: Intersil Corporation

State Diagram
LED:
CHARGER: ON
TIMEOUT:
LED:
CHARGER:
LED:
CHARGER: OFF
(Return to previous state)
Timer Restart
Temperature Fault
Recharge
Temp Fault
Any Temp
GREEN
RESTART
Cleared
V
I
CHG
Fault
SEN
GREEN
ON
YELLOW
< I
> 4.05V and
MIN
6
V
SEN
POR
TIMEOUT and
V
I
CHG
< 4.00V
SEN
> I
> 3.7V
MIN
CHARGER: OFF
LED:
500ms
Connection Verify (70ms)
LED:
CHARGER:
LED:
CHARGER:
TIMEOUT:
LED:
CHARGER:
LED:
CHARGER:
LED:
CHARGER:
LED:
CHARGER:
LED:
OUTPUT:
CHARGER:
LED:
CHARGER:
Short Circuit Test
Charge Complete
Plug-in Indicator
Trickle Charge
End of Charge
Delay 500ms
Fast Charge
Idle
ISL6297
RED
GREEN
YELLOW
OFF
TIMEOUT
V
before 384 cycles
V
before 1/8 TIMEOUT
V
I
before TIMEOUT
ENABLE
Battery (+) Terminal Connected
CHG
SEN
GREEN
ON
SEN
SEN
RED
TRICKLE
RESTART
OFF
OFF
OFF
OFF
RED
TRICKLE
RED
ON
OFF
Up to V
TRICKLE
GREEN
OFF
< I
> 1V
> 2.8V
> 4.05V and
MIN
500ms
500ms
IN
TIMEOUT and
V
V
after 384
I
CHG
SEN
SEN
cycles
Battery (+)
Terminal
Disconnected
<1V
> I
< 3.7V
MIN
DISABLE
V
SEN
1/8 TIMEOUT
LED:
CHARGER: OFF
Note:
In the “Connection Verify” state, the output current
is limited to I
connected, the output voltage rises no higher than
the battery voltage. Also in this state, with no
battery connected, the output voltage rises to V
In all other states, the output voltage is limited to
4.2V (typ).
< 2.8V after
LED:
CHARGER:
Non-Temperature Fault
LED:
CHARGER:
Charge Termination
Open Battery Fault
DISABLE or
DISABLE or
DISABLE or
POR
POR
YELLOW (Blink)
POR
TRICKLE
OFF
OFF
GREEN
OFF
. In this state, with a battery
March 20, 2007
FN9215.1
IN
.