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參數(shù)資料
| 型號(hào)： | AIC1782CS |
| 廠商： | Analog Integrations Corporation |
| 英文描述： | Octal buffers and line drivers 20-SOIC 0 to 70 |
| 中文描述： | 雙電池充電控制器 |
| 文件頁(yè)數(shù)： | 7/17頁(yè) |
| 文件大?。?/td> | 361K |
| 代理商： | AIC1782CS |
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AIC1782
7
BLOCK DIAGRAM
LEB2 LEB1
LEA2
LEA1
ICOB
ICOA
Display
Control
Unit
TMR
Timing
Control Unit
GND VCC
Bandgap
Reference
& Voltage
Regulator
MODE
MODE
Selection
SEL3
Battery Voltage
& Temperature
Protection
Setting
SEL2
SEL1
LED Display&
Trickle Charge
Duty Setting
Charge Control
State Machine
CHARGE END
DSW
DIS
BBV
ATS
ADJ
Charge
Control Unit
T/
t Detection
Setting
Battery Temperature
Protection
Battery Voltage
Protection
Discharge
Control Unit
13-bit A/D
Oscillator
+
-
BTS
ABV
PIN DESCRIPTIONS
PIN 1: ABV - Divided battery voltage input to
sense the battery voltage of
pack A.
PIN 2: BBV - Divided battery voltage input to
sense the battery voltage of
pack B.
PIN 3: DIS
- Push-pull output, used to con-
trol an external transistor to dis-
charge the battery of pack B.
DIS is active high when function
of discharge is enabled.
PIN 4: BTS - The battery cell temperature of
pack B is represented as a volt-
age input to the AIC1782 at this
pin. The acceptable voltage
range of BTS pin is 0.29 V
CC
to
0.72 V
CC
.
PIN 5: VCC
- Power supply input at 5V
±
10%.
PIN 6: ADJ
- For adjusting the slope of
T /
t. Acceptable voltage
range for this pin is approxi-
mately 0.28V to 3.8V. If volt-
age higher than VCC - 0.3V,
function of
T /
disabled.
t detection is
PIN 7: SEL3
- Determining the acceptable
voltage range of ABV and
BBV pins and mode of tem-
perature protection function.
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