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參數(shù)資料
| 型號： | AIC1783 |
| 廠商： | Analog Integrations Corporation |
| 英文描述： | Octal buffers and line drivers 20-SOIC 0 to 70 |
| 中文描述： | 電池充電控制器 |
| 文件頁數(shù)： | 10/11頁 |
| 文件大?。?/td> | 159K |
| 代理商： | AIC1783 |
AIC1783
10
R
TIMER
(K
)
OSC.
Freq.(KHz)
Safety timer
(min.)
11
262.4
10
23
131.2
20
48
65.6
40
74
43.7
60
100
32.8
80
152
21.9
120
206
16.4
160
314
10.9
240
491
7.3
360
667
5.5
480
Selecting Mode of Operation
The AIC1783 provides three modes of operation:
normal, test, and AC mode determined by the
setting of MODE pin. The AIC1783 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
AIC1783 enters the test mode.
The test mode can be used to significantly reduce
production test time.
MODE pin
Mode
Function
VCC
Test
Safety timer period scaled
down to 1/32
Floating
Normal Normal operation
V detection disabled
GND
AC
Display the Battery Charging Status
The AIC1783 provides an open-drained output, LED
pin, to indicate the battery charging status. The
outputs of LED pin are shown in the following table:
Power
ON
Fast
Charging
Charge
Completed
Fault
Conditions
LED
1Hz
4Hz
Flashing
ON
OFF
Charging Current Control
As shown in the typical application circuit, the
AIC1783 offers an open-drained output pin, ICON
pin, to control the charging current flow in fast
charge state and switch on to inhibit the charging
current flow in fault conditions. When fast charge is
completed, the AIC1783 enters the trickle charge
mode. In trickle charge mode, the ICON pin output
switches with 1/128 duty cycle.
Power
ON
Fast
Charging
Charge
Completed
Fault
Conditions
ICON
ON
OFF
1/128
Duty cycle
ON
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