AIC1761 Datasheet, PDF (5/15 Pages) Analog Devices – BATTERY CHARGE CONTROLLER

AIC1761/1766
BATTERY CHARGE CONTROLLER
SPEC NO: DS-1761-02
TYPICAL PERFORMANCE CHARACTERISTICS (CONTINUED)
V_BT (High) Limit vs Temperature
V_BT (Low) Limit vs Temperature
3.8
0.71
3.7
0.67
3.6
0.63
3.5
(V)
3.4
0
20
40
60
80
Temperature (°C)
Safety Timer vs Temperature
(MODE pin = V_DD)
45
0.59
0.55
0
20
40
60
80
Temperature (°C)
43
41
39
37
35
0
20
40
60
80
Temperature (°C)
BLOCK DIAGRAM
VREF
VR3
VDD
Voltage
Regulator
+-
GND
VNTC (for 14 pin version)
VR4
+-
Power On
Reset
VR1 +
-
VBT
+
-
VR2
CHARGE CONTROL
STATE MACHINE
13-Bit
ADC
Mode
Select
Timing
Control
Oscillator
LED
FLASH
(for 14 pin version)
VOUT
MODE
TIMER
ANALOG INTEGRATIONS CORPORATION
www.analog.com.tw
4F, 9 Industry E. 9th Road, Science-based Industrial Park , Hsinchu, Taiwan, R.O.C. TEL: [phone] FAX:[phone]
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