BQ2014H_15 Datasheet, PDF (18/28 Pages) Texas Instruments – Low-Cost NiCd/NiMH Gas Gauge IC

bq2014H
DC Electrical Characteristics (TA = TOPR)
Symbol
V_CC
V_OS
V_REF
RREF
ICC
VSB
RSBmax
IDISP
I_LCOM
IRBI
RHDQ
RSR
V_IHPFC
V_ILPFC
VIZPFC
VOLSL
V_OLSH
V_OHML
V_OHMH
I_OLS
IOL
VOL
V_IHDQ
VILDQ
RPROG
RFLOAT
Parameter
Supply voltage
Offset referred to V_SR
Reference at 25°C
Reference at -40°C to +85°C
Reference input impedance
Normal operation
Battery input
SB input impedance
DISP input leakage
LCOM input leakage
RBI data retention current
Internal pulldown
SR input impedance
Logic input high
Logic input low
Logic input Z
SEG output low, low VCC
Mini- Typical
mum
3.0
4.25
-
±50
5.7
6.0
4.5
-
2.0
5.0
-
90
-
120
-
170
0
-
10
-
-
-
-0.2
-
-
-
500
-
10
-
V_CC - 0.2
-
-
-
float
-
-
0.1
SEG output low, high V_CC
-
0.4
LCOM output high, low V_CC V_CC - 0.3 -
LCOM output high, high V_CC V_CC - 0.6 -
SEG sink current
11.0
-
Open-drain sink current
5.0
-
Open-drain output low
-
-
HDQ input high
2.5
-
HDQ input low
-
-
Soft pull-up or pull-down resis-
tor value (for programming)
-
-
Float state external impedance -
5
Maximum
6.5
±150
6.3
7.5
-
135
180
250
VCC
-
5
0.2
100
-
-
-
V_SS + 0.2
float
-
-
-
-
-
-
0.3
-
0.8
200
-
Unit
Notes
V
VCC excursion from < 2.0V to ≥
3.0V initializes the unit.
µV DISP = VCC
V I_REF = 5µA
V I_REF = 5µA
MΩ V_REF = 3V
µA VCC = 3.0V, HDQ = 0
µA V_CC = 4.25V, HDQ = 0
µA VCC = 6.5V, HDQ = 0
V
MΩ 0 < V_SB < V_CC
µA VDISP = VSS
µA DISP = VCC
nA VRBI > VCC < 3V
KΩ
MΩ -200mV < VSR < VCC
V PROG₁–₅
V PROG₁–₅
V PROG1–5
V
VCC = 3V, IOLS ≤ 1.75mA
SEG₁–SEG₅
V
VCC = 6.5V, IOLS ≤ 11.0mA
SEG₁–SEG₅
V V_CC = 3V, I_OHLCOM = -5.25mA
V V_CC > 3.5V, I_OHLCOM = -33.0mA
mA At V_OLSH = 0.4V, V_CC = 6.5V
mA At VOL = VSS + 0.3V, HDQ
V I_OL ≤ 5mA, HDQ
V HDQ
V HDQ
KΩ PROG1–5
MΩ PROG1–5
Note:
All voltages relative to VSS.
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