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參數(shù)資料
| 型號： | bq2050 |
| 廠商： | Benchmark Technology Group |
| 英文描述： | Lithium Ion Power Gauge IC(鋰離子電源Gause 芯片) |
| 中文描述： | 鋰離子動力計IC（鋰離子電源高斯芯片） |
| 文件頁數(shù)： | 16/21頁 |
| 文件大?。?/td> | 235K |
| 代理商： | BQ2050 |
16
bq2050
DC Voltage Thresholds
(TA= TOPR; V = 3.0 to 6.5V)
Symbol
Parameter
Minimum
Typical
Maximum
Unit
Notes
V
EDVF
Final empty warning
1.44
1.47
1.50
V
SB
V
EDV1
First empty warning
1.49
1.52
1.55
V
SB
V
SRO
SR sense range
-300
-
2000
mV
SR, V
SR
+ V
OS
V
SRQ
Valid charge
210
-
-
μ
V
V
SR
+ V
OS
(see note)
V
SRD
Valid discharge
-
-
-200
μ
V
V
SR
+ V
OS
(see note)
V
MCV
Maximum single-cell voltage
2.20
2.25
2.30
V
SB
Note:
V
OS
is affected by PC board layout. Proper layout guidelines should be followed for optimal performance.
See “Layout Considerations.”
Absolute Maximum Ratings
Symbol
Parameter
Minimum
Maximum
Unit
Notes
V
CC
Relative to V
SS
-0.3
7.0
V
All other pins
Relative to V
SS
-0.3
7.0
V
REF
Relative to V
SS
-0.3
8.5
V
Current limited by R1 (see Figure 1)
V
SR
Relative to V
SS
-0.3
7.0
V
Minimum 100
series resistor should
be used to protect SR in case of a
shorted battery (see the bq2050 appli-
cation note for details).
T
OPR
Operating tempera-
ture
0
70
°C
Commercial
-40
85
°C
Industrial
Note:
Permanent device damage may occur if
Absolute Maximum Ratings
are exceeded. Functional operation
should be limited to the Recommended DC Operating Conditions detailed in this data sheet. Exposure to con-
ditions beyond the operational limits for extended periods of time may affect device reliability.
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|---|---|
| BQ2050H | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Low-Cost Lithium Ion Power Gauge IC |
| bq2050hevm | 制造商:Texas Instruments 功能描述: |
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| BQ2050HSN | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Low-Cost Lithium Ion Power Gauge IC |
| BQ2050HSN-A308 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Low-Cost Lithium Ion Power Gauge IC |
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