ISL6297 Datasheet, PDF (5/16 Pages) Intersil Corporation – Li-ion/Li Polymer Battery Charger

Block Diagram
ISL6297
VIN
C₁
IREF
R_IREF
IMIN
R_IMIN
TEMP
DT
Q _MAIN
Temperature
Monitoring
I_T
I_R
Current
References
I_MIN
References
Q_SEN
100000:1
Current
Mirror
I_SEN
VIN
Input_OK
+
+
-CA
CHRG
- _VPOR
+
+
50mV
-
V+
A-
V_CH
Trickle/Fast
I_SEN
+
-
MIN_I
V2P9
NTC
Interface
Under Temp
Over Temp
LOGIC
+
Minbat ^-
V_MIN
V_RECHRG
+
-
Recharge
Batcon
+
- ^VCONVER
BAT
V2P9
VSEN
RED
TIME
GND
OSC
COUNTER
Input_OK
GRN
EN
5
FN9215.0
September 27, 2005