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參數(shù)資料
| 型號： | DS2770AE |
| 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)： | 27/27頁 |
| 文件大小： | 272K |
| 代理商： | DS2770AE |
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DS2770
27 of 27
ELECTRICAL CHARACTERISTICS:
1-WIRE INTERFACE
(-20 C to 70 C, 2.7V V
DD
5.5V)
MIN
TYP
MAX
PARAMETER
SYMBOL
CONDITION
UNITS
NOTES
Time Slot
t
SLOT
60
120
s
Recovery Time
t
REC
1
s
Write 0 Low Time
t
LOW0
60
120
s
Write 1 Low Time
t
LOW1
1
15
s
Read Data Valid
t
RDV
15
s
Reset Time High
t
RSTH
480
s
Reset Time Low
t
RSTL
480
960
s
Presence Detect High
t
PDH
15
60
s
Presence Detect Low
t
PDL
60
240
s
DQ Capacitance
C
DQ
25
pF
NOTES
1)
All voltages are referenced to ground.
2)
Self-heating due to output pin loading; sense resistor power dissipation will alter the reading from
ambient conditions.
3)
Using the internal current-sense resistor.
4)
Using an external current-sense resistor.
5)
Typical value for t
ERR
is at 3.6V and +25°C.
6)
See Ordering Information section of data sheet to determine corresponding part number for each V
CV
value.
7)
This specification includes the effects of temperature on the sense resistor. The DS2770 compensates
for the internal sense resistor’s temperature coefficient of 3700ppm/°C to an accuracy of
±500ppm/°C. The DS2770 does not attempt to compensate for the characteristics of an external sense
resistor. Error terms arising from the use of an external sense resistor should be taken into account
when calculating total current measurement error.
8)
Four-year data retention at +70°C.
9)
I
SLEEP
, I
ACTIVE
and I
VCH
are measured with the CCand UV pins floating.
10)
V
P
is the greater of V
DD
or VCH. V
OH,CC\
and V
OH,UV\
test conditions: VDD = 5.5, VCH = 5.7V
11)
The UV and CC pins are driven low with respect to the SNS pin. Current flow into UV or CC is
returned to SNS and therefore is not included in the current measurement.
12)
Current full-scale rating limits input saturation and nonlinear conversion under high average current
signal levels of either polarity. Transient currents up to 1.5 times the current full-scale rating are
measured to specified accuracy if the RC filter formed by the internal resistors and external capacitor
at the IS1 and IS2 pins limits the average signal level to the Current Full-Scale rating.
13)
This value deviates proportionally to gain error.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| DS2770AE+ | 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)品目錄頁面:669 (CN2011-ZH PDF) 其它名稱:MCP73831T-2ACI/OTCT |
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