ISL6292C Datasheet, PDF (4/11 Pages) Intersil Corporation – Li-ion/Li Polymer Battery Charger

Typical Applications
5V WALL
ADAPTER
C₁
10µF
R₁
1kΩ
D₁
ISL6292C
VIN
VBAT
R₂
1kΩ
D₂
ISL6292C
VSEN
FAULT
STATUS
EN
V2P8
IREF
TIME GND
C_TIME
15nF
C₂
10µF
C₃
1µF
R_IREF
80kΩ
BATTERY
PACK
Block Diagram
VIN
C₁
IREF
R _IREF
EN
TIME
GND
Q_MAIN
VBAT
TEMPERATURE
MONITORING
I_T
I
R
CURRENT
REFERENCES
I_MIN = I_R/10
Q_SEN
REFERENCES
100000:1
Current
Mirror
I_SEN
Input_OK
+
C_- A
CHRG
+
VA _-
VIN
+
- _VPOR
+
+
100mV
-
V_{C H}
Trickle/Fast
I_SEN
+
-
MIN_I
Mi n bat
+
-
V_MIN
V_{RECHR G}
+
Input_OK
LOGIC
-
Rec harge
VIN
ESDDiode
STATUS
V2P8
VSEN
STATUS
VIN
OSC
COUNTER
FAULT
FAULT
FIGURE 1. BLOCK DIAGRAM
4
FN9133.2
July 22, 2005