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參數(shù)資料
| 型號(hào)： | FAN7564D |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 電源管理 |
| 英文描述： | Battery Management |
| 中文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO14 |
| 封裝： | SOP-14 |
| 文件頁(yè)數(shù)： | 3/14頁(yè) |
| 文件大?。?/td> | 81K |
| 代理商： | FAN7564D |
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FAN7563/FAN7564
3
Pin Assignments (Continued)
Pin Definitions
(Continued)
Pin Number
Pin Name
Pin Function & Descrition
1
OUTPUT
Output pin for charging control. An external photocoupler is drived
from the output for constant voltage and constant current charging
control.
Constant current loop reference Input.
Charging current sensing input . It is connected to a sense resistor
(system ground)
Ground
Charging current monitoring feedback input. monitoring output
voltage can be changed by alternating the value of external resistor
which is connected to the pin6, CHA-
LDO output voltage sensing input. It is normally connected to the
LDO output through a resistor divider.
LDO driving output. This is connected to the base of external TR
(KSA539)
LDO dropout error flag. This keeps the error signal off until the bias
voltage for micro controller reaches the threshold voltage. Error
signal becomes ON when the voltage reaches 4.8V.
(With hysteresis 60mV)
Charging current monitoring output. This pin is connected to a micro
controller and detects the amplified voltage derived from CS pin.
Reference current control input. The Amplifier reference current is
controlled according to the resistor which is connected to the pin
I
REF
.
Voltage sensing input for constant Battery voltage control. It is
normally connected to the Battery charger output through a resistor
divider.
Power supply input. The typical operating voltage range is 2.5V to
16V.
2
I
SEN
3
CS
4
GND
6
CHA-
7
FB
8
LDODRV
9
ERROR
11
MONIT
12
I
REF
13
V
SEN
14
V
CC
1
2
3
4
14
13
12
5
F
OUTPUT
ISEN
CS
GND
V
CC
VSEN
IREF
MONIT
6
7
NC
CHA-
FB
11
10
9
8
NC
ERROR
LDODRV
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