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參數(shù)資料
| 型號： | AIC1782CN |
| 廠商： | Analog Integrations Corporation |
| 英文描述： | Dual-Battery Charge Controller |
| 中文描述： | 雙電池充電控制器 |
| 文件頁數(shù)： | 14/17頁 |
| 文件大?。?/td> | 361K |
| 代理商： | AIC1782CN |
AIC1782
19
0
100
200
300
400
500
0
200
400
600
800
R
T
(
)
Safety Timer (min.)
Fig. 4 Safety Timer vs R
TMR
R
TMR
(K
)
11
23
48
74
100
152
206
314
491
667
Osc.Freq.
(KHz)
262.4
131.2
65.6
43.7
32.8
21.9
16.4
10.9
7.3
5.5
Safety timer
(min.)
10
20
40
60
80
120
160
240
360
480
Selecting Mode of Operation
The AIC1782 provides three modes of opera-
tion: normal, test, and AC mode, determined by
the setting of MODE pin according to TABLE 5.
The AIC1782 will operate normally when the
MODE pin is left floating (a 0.1
μ
F capacitor is
recommended to be tied to MODE pin if the
charge circuit works in a noisy environment).
When the MODE pin is biased to GND, the
function of
V
detection is disabled. When
the MODE pin is biased to V
CC
, the AIC1782
enters the test mode. The test mode can be
used to significantly reduce production test time.
For relevant informations please contact AIC di-
rectly.
ABLE. 5 The Operating Mode of AIC1782
MODE pin
Mode
V
CC
Test
Function
Safety timer period
scaled down to 1/32....
etc.
Normal Normal operation
AC
–
V detection disabled
Floating
GND
The Mode of LED Display and Trickle Charge
The AIC1782 provides two LED display modes
and five pulsed trickle charge modes. The
modes of LED display and trickle charge are
determined by the tri-level inputs, SEL1 and
SEL2 pins, as in the TABLE 6.
TABLE. 6 Mode of LED Display and Trickle
Charge
SEL1
SEL2
Trickle
Charge
Duty
N/A
1/32
1/64
1/128
1/256
N/A
1/32
1/64
1/128
LED
Display
Mode
Type 1
Type 1
Type 1
Type 1
Type 1
Type 2
Type 2
Type 2
Type 2
V
CC
V
CC
Floating
GND
V
CC
Floating
GND
V
CC
Floating
GND
Floating
GND
Displaying the Battery Charging Status
The AIC1782 provides four open-drained outputs,
in which LEA1 and LEA2 are used to indicate the
battery charging status of pack A, yet LEB1 and
LEB2 are used to indicate battery charging status
of pack B. Refer to the table of LED display mode
(TABLE 6), depending on the setting of SEL1 and
SEL2 pins, the outputs of LEA1, LEA2, LEB1, and
LEB2 pins are shown in the following table:
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