ISL6298-2CR3 Datasheet, PDF (9/17 Pages) Intersil Corporation – Li-ion/Li-Polymer Battery Charger

Block Diagram
ISL6298
VIN
C₁
IREF
R_IREF
IMIN
R_IMIN
TEMP
TOEN
TIME
GND
Q_MAIN
VBAT
Temperature
Monitoring
I_T
I_R
Current
References
I_MIN
Q_SEN
25000:1
Current
Mirror
I_SEN
References
Input_OK
+
VIN VBAT
+
C_- A
CHRG
- _VPOR
+
+
100mV
-
+
VA_-
V_CH
I_SEN
V2P8
NTC
Interface
Trickle/Fast
+
-
MIN_I
Under Temp
Over Temp
Batt Removal
LOGIC
Minbat
+
-
V_MIN
V_RECHRG
+
-
Recharge
VIN
ESD
Diodes
STATUS
VIN
FAULT
OSC
COUNTER
Input_OK
V2P8
STATUS
FAULT
EN
NOTE: For the 3x3 DFN package, the TOEN pin is left floating and the IMIN pin is connected to the V2P8 pin internally.
FIGURE 19. BLOCK PROGRAM
9
FN9173.3
July 20, 2005