AIC1781A AIC [Analog Intergrations Corporation], AIC1781A Datasheet - Page 2

• Manufacturer Part Number: AIC1781A
• Description: Battery Charge Controller
• Manufacturer: AIC [Analog Intergrations Corporation]

n
VIN
11~15V
**3~5 NiMH/NiCd cells.
Note: Charge Current=0.3/RS Ampere
Discharge-before-charge function is included to
get rid of memory effect of NiCd batteries without
the risk of overdischarging. Test mode is provided
for charger manufactures to dramatically reduce
TYPICAL APPLICATION CIRCUIT
390K
R4
C1
470P
Safety Timer: 80min
1
2
3
4
DC
DE
CF
GND
+
C2
C12
1 F
AIC1563
U1
1 F
BOOST
U3
VIN
VCC
IN4148
FB
IS
D1
Battery Charge Circuit for Fluctuating Charging Current Application
78L05
8
7
6
5
GND
VOUT
R5 120/0.5W
RS
R1
1K
IN4148
D3
+
220 F
0.3/1W
C3
220 H
+
L1
C13
10 F
C4
220 F
D4
1N5819
+
BAT1
C5
0
D2
.1 F
R7
IN5819
R9
91K
R8
300K
RY
MMBT2222A
4.7 F
+
C9
0.1 F
C6
RX
Q2
R10
100K
C7
0.1 F
20/5W
production test time.
R13
470K
R2
+
100 F
47nF
C11
C10
MPS2222A
0.
C8
R3
270
Q1
1 F
R14
200K
LED1
YELLOW
R15
680
R6
50K
R11
100K
1
2
3
4
5
6
7
8
U2
PEAK
VBT
DIS
VTS
VCC
ADJ
SEL3
TMR
AIC1781A
MODE
ICON
LED2
LED1
DSW
GND
SEL1
SEL2
PB SW
SW1
16
15
14
13
12
11
10
9
AIC1781A
R12
100K
LED2
R16
680
GREEN
LED3
R17
680
RED
2