ISL6292_14 Datasheet, PDF (9/20 Pages) Intersil Corporation – Li-ion/Li Polymer Battery Charger

ISL6292
Typical Applications (Continued)
Typical Application Circuit For 3x3 DFN Package Option
5V Wall
Adapter
1μF
C₁
1k Ω
R₁
D₁
VIN
VBA
T
1k Ω
R₂
D₂
ISL6292
(3X3 DFN)
FAULT
STATUS
EN
TEMP
V2P8
IREF
TIME
GND
C _TIME
15nF
1μ F
C₂
R_T
R_U
B^BP_Paaaatctct^te_ker^ry^y
k
T
1μF
R _IREF C₃
80kΩ
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
100000:1
Current
Mirror
I_SEN
References
Input_OK
+
VIN VBAT
+
C_- A
CHRG
- _VPOR
+
+
100mV
-
+
VA_-
V_CH
I_SEN
V2P8
Trickle/Fast
+
-
MIN_I
+
Minbat
-
V_MIN
V_RECHRG
+
-
Recharge
NTC
Interface
Under Temp
Over Temp
Batt Removal
LOGIC
STATUS
FAULT
V2P8
STATUS
FAULT
OSC
COUNTER
Input_OK
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 16. BLOCK PROGRAM
9
FN9105.9
December 17, 2007