aic1761 Analog Devices, Inc., aic1761 Datasheet - Page 14

• Manufacturer Part Number: aic1761
• Description: Battery Charge Controller
• Manufacturer: Analog Devices, Inc.

ANALOG INTEGRATIONS CORPORATION
4F, 9 Industry E. 9th Road, Science-based Industrial Park , Hsinchu, Taiwan, R.O.C.
APPLICATION EXAMPLES
To VBT pin of
AIC1761/1766
9014
V
Battery
Q2
BAT
of
12K
R1
9012
Q1
IN4001
4.7M
+V
R5
33
2W
+V
R1
GND
IN
Note:
Fig. 14 Discharge Circuit of Rechargeable Battery
GND
Note:
Fig. 15
Note:
Fig. 16
1M
R1
IN
150
R3
1K
R2
R26
3.9K
9014
Q1
100K
R2
9014
Q1
330K
R2
The final voltage of battery is determined by R26.
Discharge current is decided by R5.
S1: Push to initiate discharge
Frequency (about 1Hz) is determined by R33 and C33.
LED will flash when LED pin goes low.
Flashing-LED Circuit for Trickle Mode
Frequency (about 1Hz) is determined by R33 and C33.
Buzzer will be activated when LED pin goes low.
Buzzer Circuit for Trickle Mode
9014
Q3
240K
R33
(CONTINUED)
4.7M
R33
100K
1nF
R4
S1
C33
100K
R5
C33
0.1 F
Q2
9014
10K
R5
9014
Q2
2.4K
R4
To
Buzzer
TEL: [phone] FAX:[phone]
www.analog.com.tw
Final Voltage of Battery
TIMER
VOUT
LED
BATTERY CHARGE CONTROLLER
AIC1761/1766
TIMER
VOUT
LED
6V
5V
4V
3V
AIC1761/1766
VDD
GND
VDD
GND
MODE
VREF
VBT
MODE
VREF
VBT
AIC1761/1766
SPEC NO: DS-1761-02
6.8K
5.1K
3.9K
2.7K
R26
14