ISL6298 INTERSIL [Intersil Corporation], ISL6298 Datasheet - Page 9

• Manufacturer Part Number: ISL6298
• Description: Li-ion/Li-Polymer Battery Charger
• Manufacturer: INTERSIL [Intersil Corporation]

Block Diagram
NOTE: For the 3x3 DFN package, the TOEN pin is left floating and the IMIN pin is connected to the V2P8 pin internally.
C
1
R
R
IREF
IMIN
TOEN
TEMP
TIME
GND
IREF
IMIN
VIN
9
I
SEN
Temperature
References
Interface
Monitoring
I
MIN
V2P8
Current
NTC
OSC
I
R
I
T
+
-
Under Temp
Over Temp
Batt Removal
Trickle/Fast
Q
FIGURE 19. BLOCK PROGRAM
SEN
MIN_I
I
SEN
+
CA
-
25000:1
Current
Mirror
ISL6298
CHRG
COUNTER
LOGIC
Input_OK
Q
MAIN
VA
References
+
-
Minbat
Recharge
STATUS
FAULT
Input_OK
+
+
-
-
V
V
CH
ESD
Diodes
POR
+
-
+
-
+
100mV
V
VIN
RECHRG
V
MIN
VIN
VBAT
VIN
EN
V2P8
VBAT
STATUS
FAULT
July 20, 2005
FN9173.3