AIC1630 AIC [Analog Intergrations Corporation], AIC1630 Datasheet - Page 10

• Manufacturer Part Number: AIC1630
• Description: 2-Cell, Step-Up DC/DC Converter Controller
• Manufacturer: AIC [Analog Intergrations Corporation]

APPLICATION EXAMPLES
ZD1
4.7V
150
R1
1 50
+
C1
100µF C1
R1
IN5819 D2
SD
VIN
EXT
GND
AIC1630A
Note:
Note:
+
VOUT
LBO
LBI
FB
2A FUSE
SD
VIN
EXT
GND
V
(R
V
Short Circuit Condition is protected with a 2A Fuse.
AIC1630A
Fig. 10
Q2
IN
IN
Fast Charge Current
Trickle charge Current = 30mA.
(R
Typical Efficiency = 75%.
With Short Circuit Protection.
IF
2N3904
R2
750
must be lower than V
sets the Charging Current)
IF
VOUT
≥ 2.2V
Fig. 9
LBO
sets Fast Charge Current, R
LBI
FB
47K
R3
Charging current =0.8A, Auto-Cut-Off at 0.75/0.25% -∆V point and Fault Conditions.
12K
D3
R4
Step-Up/Down Rechargeable Battery Charger
240K
R4
C2
R5
1N5819
D2
33K
Step-Up Rechargeable Battery Charger
+
2N2222
3 3K
R5
TIP32C
Q5
Q3
BAT
(CONTINUED)
R6
330
R3
1 2K
R2
.
2N3904
C2
= 0.8A @V
=(V
C3
1 0nF
Q4
+
IN
BATTERY PACK
IT
- V
R
75K
sets Trickle Charge Current)
IT
BAT
R
BATTERY PACK
IN
IF
100K
- 0.5)/0.82 @V
<V
R
0.82
R6
IF
0.8 2
BAT
22K
R9
22 K
R7
R9
1 20K
R11
+
1N4148
D3
120K
R11
C3
R15
IN
120K
>V
220
R10
100µF
C4
+
BAT
100 µ F
+
220
R12
C3
4.7 µ F
C4
+V
(V
+
IN
0.1µF
C5
IN
<V
TIMER
VBT
GND
MODE
AIC1761/1766
+V
(+V
than the battery voltage)
BAT
IN
)
0.1 µ F
C5
IN
AIC1761/1766
VBT
GND
TIMER VOUT
MODE
can be either higher or lower
VOUT
VREF
VDD
LED
VREF
VDD
LED
AIC1630
1.5K
R12
1.5K
R13
1.5K
R13
10
1.5K
R14