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參數(shù)資料
| 型號(hào)： | DS2770 |
| 英文描述： | Battery Monitor and Charge Controller |
| 中文描述： | 電池充電控制器監(jiān)控 |
| 文件頁數(shù)： | 4/27頁 |
| 文件大?。?/td> | 272K |
| 代理商： | DS2770 |
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DS2770
4 of 27
DETAILED PIN DESCRIPTION
Table 1
PIN
SYMBOL
1
UV
DESCRIPTION
Battery Undervoltage Detect Output:
This pin allows charge of the
battery at a reduced rate when the battery cell voltage is less than the low
battery voltage threshold, V
LB
.
Charge Control Output:
Charge of the battery is controlled through this
pin when battery cell voltage is greater than or equal to V
LB
.
Charge Supply Input:
The charge source is connected to this pin and is
measured by the DS2770 to determine if a charge source is present.
2
CC
3
VCH
4, 5, 6
SNS
Sense Resistor Connection:
Connect to the negative terminal of the
battery pack. In the internal sense resistor configuration, the sense resistor
is connected between VSS and SNS.
8
IS2
Current-Sense Input:
This pin is internally connected to SNS through a
10k resistor. Connect a 0.1 F capacitor between IS2 and IS1 to
complete a lowpass filter.
9
IS1
Current-Sense Input:
This pin is internally connected to VSS through a
10k resistor. Connect a 0.1 F capacitor between IS1 and IS2 to
complete a lowpass filter.
11, 12, 13
VSS
Device Ground:
Connect directly to the negative terminal of the battery
cell. For the external sense resistor configuration, connect the sense
resistor between VSS and SNS.
14
DQ
Data Input/Out:
1-Wire data line. Open-drain output driver. Connect this
pin to the DATA terminal of the battery pack. Pin has an internal pull-
down for sensing disconnection.
15
VIN
Voltage Sense Input:
The voltage on the battery cell is monitored via this
input pin.
16
VDD
Power Supply Input:
Input supply voltage for the DS2770 (2.7V to
5.5V)
7, 10
NC
Do not connect.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS2770AE | Battery Monitor and Charge Controller |
| DS2770AE-025 | Battery Monitor and Charge Controller |
| DS2770BE | Battery Monitor and Charge Controller |
| DS28E04-100 | 4096-Bit Addressable 1-Wire EEPROM with PIO |
| DS28E04S-100 | 4096-Bit Addressable 1-Wire EEPROM with PIO |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS2770AE | 制造商:Maxim Integrated Products 功能描述:BAT MONITOR CHARGE CNTRL VCV=4.1 - Rail/Tube |
| DS2770AE/R | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Battery Monitor and Charge Controller |
| DS2770AE/T | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Battery Monitor and Charge Controller |
| DS2770AE/T&R | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Battery Monitor and Charge Controller |
| DS2770AE/TR | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
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