ISL6292D Datasheet, PDF (5/13 Pages) Intersil Corporation – Li-ion/Li Polymer Battery Charger

Block Diagram
ISL6292D
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
References
Q_SEN
100000:1
Current
Mirror
I_SEN
VIN VBAT
Input_OK
+
+
C_- A
CHRG
- _VPOR
+
+
100mV
-
+
VA_-
V_CH
V2P8
I_SEN
V2P8
NTC
Interface
Trickle/Fast
+
-
MIN_I
Under Temp
Over Temp
Batt Removal
LOGIC
+
Minbat
-
V_MIN
V_{RECHRG VIN}
+
-
Recharge
STAT1
VIN
STAT2
OSC
COUNTER
Input_OK
EN
FIGURE 1. BLOCK PROGRAM
5