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BQ2111L Datasheet, PDF (5/7 Pages) Texas Instruments – NiCd Gas Gauge Module with LEDs for High Discharge Rates
bq2111L
Absolute Maximum Ratings
Symbol
Parameter
Minimum Maximum Unit
Notes
VCC
Relative to VSS
-0.3
All other pins Relative to VSS
-0.3
TOPR
Operating temperature
0
TSTR
Storage temperature
-40
+7.0
V bq2011
+7.0
V bq2011
+70
°C Commercial
+85
°C
Note:
Permanent device damage may occur if Absolute Maximum Ratings are exceeded. Functional opera-
tion should be limited to the Recommended DC Operating Conditions detailed in this data sheet. Expo-
sure to conditions beyond the operational limits for extended periods of time may affect device reliability.
DC Electrical Characteristics (TA = TOPR)
Symbol
Parameter
NumCell
Number of series cells in
battery pack
BAT+ Positive terminal of pack
VSR
Voltage across the sense re-
sistor, P4 to P5
VCC
Supply voltage (direct cell
operation)
LBAT+
Supply current at BAT+
ICC
terminal (no external
loads)
RDQ
IOL
Internal pull-down
Open-drain sink current
DQ
VOL
VIHDQ
VILDQ
VOS
Open-drain output low, DQ
DQ input high
DQ input low
Voltage offset
Minimum
4
GND
-0.3
3.0
-
500k
-
-
2.5
-
Typical
Maximum
Unit Conditions/Notes
-
12
-
NumCell * 1.2V NumCell * 1.8V V
-
2
V
4.8
7.2
V
120
250
µA
-
-
Ω1
-
5.0
mA1
-
0.5
V1 IOL < 5mA
-
-
V1
-
0.8
V1
150
µ V1
Note:
1. Characterized on PCB, IC 100% tested.
5