BQ2011_15 Datasheet, PDF (16/26 Pages) Texas Instruments – Gas Gauge IC for High Discharge Rates

bq2011
DC Electrical Characteristics (TA = TOPR)
Symbol
Parameter
VCC
Supply voltage
VOS
VREF
RREF
Offset referred to VSR
Reference at 25°C
Reference at -40°C to +85°C
Reference input impedance
ICC
Normal operation
VSB
RSBmax
IDISP
IMODE
IRBI
RDQ
VSR
RSR
VIHPFC
VILPFC
VIZPFC
IIHPFC
IILPFC
VOLSL
Battery input
SB input impedance
DISP input leakage
MODE input leakage
RBI data-retention current
Internal pulldown
Sense resistor input
SR input impedance
PFC logic input high
PFC logic input low
PFC logic input Z
PFC input high current
PFC input low current
SEGX output low, low VCC
Minimum Typical Maximum
3.0
4.25
6.5
-
±50
±150
5.7
6.0
6.3
4.5
-
7.5
2.0
5.0
-
-
90
135
-
120
180
-
170
250
0
-
VCC
10
-
-
-
-
5
-0.2
-
0.2
-
-
100
500
-
-
-0.3
-
2.0
10
-
-
VCC - 0.2
-
-
-
-
VSS + 0.2
float
-
float
-
1.2
-
-
1.2
-
-
0.1
-
VOLSH SEGX output low, high VCC
-
0.4
-
VOHML MODE output high, low VCC
VCC - 0.3
-
-
VOHMH MODE output high, high VCC VCC - 0.6
-
-
IOHMODE MODE source current
-33
-
-
IOLS
SEG_X sink current
11.0
-
-
IOL
Open-drain sink current
5.0
-
-
VOL
Open-drain output low
-
-
0.5
VIHDQ DQ input high
2.5
-
-
VILDQ DQ input low
-
-
0.8
RFLOAT Float state external impedance
-
5
-
Note:
All voltages relative to VSS.
Unit
V
µV
V
V
MΩ
µA
µA
µA
V
MΩ
µA
µA
nA
KΩ
V
MΩ
V
V
V
µA
µA
V
V
V
V
mA
mA
mA
V
V
V
MΩ
Notes
VCC excursion from < 2.0V to ≥
3.0V initializes the unit.
DISP = VCC
IREF = 5µA
IREF = 5µA
VREF = 3V
VCC = 3.0V, DQ = 0
V_CC = 4.25V, DQ = 0
VCC = 6.5V, DQ = 0
0 < VSB < VCC
VDISP = VSS
DISP = VCC
VRBI > VCC < 3V
VSR > VSS = discharge;
VSR < VSS = charge
-200mV < VSR < VCC
PFC
PFC
PFC
VPFC = VCC/2
VPFC = VCC/2
VCC = 3V, IOLS ≤ 1.75mA
SEG1–SEG5
VCC = 6.5V, IOLS ≤ 11.0mA
SEG1–SEG5
VCC = 3V, IOHMODE = -5.25mA
VCC = 6.5V, IOHMODE = -33.0mA
At VOHMODE = VCC - 0.6V
At VOLSH = 0.4V, VCC = 6.5V
At VOL = VSS + 0.3V, DQ
IOL ≤ 5mA, DQ
DQ
DQ
PFC
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