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參數(shù)資料
| 型號(hào)： | DS2770BE |
| 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(yè)數(shù)： | 11/27頁(yè) |
| 文件大?。?/td> | 272K |
| 代理商： | DS2770BE |
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DS2770
11 of 27
CURRENT-OFFSET BIAS
Figure 7
MSB—Address 32
LSB—Address 33
S
2
14
2
13
2
12
2
11
2
10
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
MSb
LSb
MSb
LSb
Units: 0.0625mA for internal sense resistor
1.5625 V for external sense resistor
VOLTAGE MEASUREMENT
The DS2770 continuously measures the voltage between pins VIN and VSS with a resolution of 4.88mV
over a range of 0V to 4.992V. Measurement data is updated every 55ms and placed in the Voltage
Register in two’s complement format. Voltages above the maximum register value are reported as the
maximum value. Figure 8 shows the Voltage Register format.
VOLTAGE REGISTER FORMAT
Figure 8
MSB—Address 0C
LSB—Address 0D
S
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
X
X
X
X
X
MSb
LSb
MSb
LSb
Units: 4.88mV
TEMPERATURE MEASUREMENT
The DS2770 uses an integrated temperature sensor to continually measure battery temperature with a
resolution of 0.125°C. Temperature measurements are updated every 55ms and placed in the Temperature
Register in two’s complement format. Figure 9 shows the Temperature Register format.
TEMPERATURE REGISTER FORMAT
Figure 9
MSB—Address 18
LSB—Address 19
S
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
X
X
X
X
X
MSb
LSb
MSb
LSb
Units: 0.125 C
TIMER
The DS2770 provides a general-purpose timer with a range of 1024h. The timer count is stored in the
Elapsed Time Register with a resolution of approximately 56s. The count will roll over to zero when it
reaches its maximum value and begin counting up again. Additionally, the user can write any desired
value to the register. Figure 10 shows the Elapsed Time Register format.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS2770BE/R | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Battery Monitor and Charge Controller |
| DS2770BE/T | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Battery Monitor and Charge Controller |
| DS2770BE/T&R | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Battery Monitor and Charge Controller |
| DS2770BE/TR | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| DS2770BE+ | 功能描述:IC BATTERY MONITOR 16-TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 功能:充電管理 電池化學(xué):鋰離子（Li-Ion）、鋰聚合物（Li-Pol） 電源電壓:3.75 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:剪切帶 (CT) 產(chǎn)品目錄頁(yè)面:669 (CN2011-ZH PDF) 其它名稱:MCP73831T-2ACI/OTCT |
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