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參數(shù)資料
| 型號： | LTC6801HG#TRPBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO36 |
| 封裝： | LEAD FREE, PLASTIC, SSOP-36 |
| 文件頁數(shù)： | 13/28頁 |
| 文件大?。?/td> | 265K |
| 代理商： | LTC6801HG#TRPBF |
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LTC6801
20
6801fb
2.2k
10k
NTC
B = 3380
10k
NTC
B = 3380
2.2k
0.5μF
V+
C12
C11
C10
C9
C8
C7
C6
C5
C4
C3
C2
C1
V–
VTEMP1
VTEMP2
VREF
VREG
OV1
OV0
UV1
UV0
HYST
CC1
CC0
SLT
SLTOK
DC
EOUT
SIN
SOUT
EIN
LTC6801
6801 F10
0.5μF
+
–
LT6003
APPLICATIONS INFORMATION
CELL-VOLTAGE FILTERING
The LTC6801 employs a sampling system to perform its
analog-to-digital conversions and provides a conversion
result that is essentially an average over the 0.5ms conver-
sion window. If there is signicant noise at frequencies near
500kHz there may be aliasing in the delta-sigma modulator.
A lowpass lter with 30dB attenuation at 500kHz may be
benecial. Since the delta-sigma integration bandwidth is
about 1kHz, the lter corner need not be lower than this
to assure accurate conversions.
Series resistors of 1k may be inserted in the input paths
without introducing measurement error. Shunt capacitors
may be added from the cell inputs to V–, creating RC lter-
ing as shown in Figure 8. The combination of 1k and 10nF
is recommended as a robust, cost effective noise lter.
MEASURING VARIOUS CELL COUNTS
The LTC6801 is designed to measure up to 12 cells de-
pending on the state of the CC pins (See Table 5). When
using an LTC6801 congured for measuring less than
12 cells, for instance choosing to measure 8 cells by
Figure 10. Buffering VREF for Higher-Current Sensors.
Two Independent Probes With a +70°C Trip Point
Figure 9. Driving Thermistors Directly from VREF.
Two Independent Probes With a +60°C Trip Point
100k
500k
NTC
B = 4567
500k
NTC
B = 4567
100k
1μF
V+
C12
C11
C10
C9
C8
C7
C6
C5
C4
C3
C2
C1
V–
VTEMP1
VTEMP2
VREF
VREG
OV1
OV0
UV1
UV0
HYST
CC1
CC0
SLT
SLTOK
DC
EOUT
SIN
SOUT
EIN
LTC6801
6801 F09
1μF
Figure 8. Adding RC Filtering to the Cell inputs
6801 F08
V–
C1
C2
C3
1k
10nF
1k
10nF
1k
10nF
tying both CC1 and CC0 to the VREF pin, the highest cell
potential (in this case C8) must be connected to the V+
pin for proper operation. Unused cell connection pins (in
this case C9 to C12) may be left oating or may also be
tied to the highest cell potential.
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相關代理商/技術參數(shù) |
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| LTC6801IG | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Independent Multicell Battery Stack Fault Monitor |
| LTC6801IG#3ZZPBF | 制造商:Linear Technology 功能描述: |
| LTC6801IG#PBF | 功能描述:IC BATTERY MONITOR LI-ION 36SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 其它有關文件:STC3100 View All Specifications 特色產品:STC3100 - Battery Monitor IC 標準包裝:4,000 系列:- 功能:燃料，電量檢測計/監(jiān)控器 電池化學:鋰離子（Li-Ion） 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應商設備封裝:8-MiniSO 包裝:帶卷 (TR) 其它名稱:497-10526-2 |
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