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參數(shù)資料
| 型號(hào)： | bq2014H |
| 廠商： | Benchmark Technology Group |
| 英文描述： | Low-Cost NiCd/NiMH Gas Gauge IC(低價(jià)格NiCd/NiMHGas Gauge芯片) |
| 中文描述： | 低成本鎳鎘/鎳氫電池電量監(jiān)測計(jì)芯片（低價(jià)格鎳鎘/ NiMHGas計(jì)芯片） |
| 文件頁數(shù)： | 17/22頁 |
| 文件大?。?/td> | 185K |
| 代理商： | BQ2014H |
17
DC Voltage Thresholds
(TA= TOPR; V = 3.0 to 6.5V)
Symbol
Parameter
Minimum
Typical
Maximum
Unit
Notes
V
EDV1
First empty warning
0.73
0.76
0.79
V
SB, default
V
EDVF
Final empty warning
V
EDV1
- 0.035
V
EDV1
- 0.025
V
EDV1
- 0.015
V
SB, default
V
SRO
SR sense range
-300
-
+500
mV
SR, V
SR
+ V
OS
V
SRQ
Valid charge
250
-
-
μ
V
V
SR
+ V
OS
(see note)
V
SRD
Valid discharge
-
-
-250
μ
V
V
SR
+ V
OS
(see note)
Note:
V
OS
is affected by PC board layout. Proper layout guidelines should be followed for optimal performance.
See “LayoutConsiderations.”
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
Vcc+0.7
V
100k
series resistor should be used to
protect SR in case of a shorted battery.
T
OPR
Operating temperature
0
+70
°C
Commercial
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 conditions beyond the operational limits for extended periods of time may affect device reli-
ability.
Preliminary
bq2014H
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