BQ26220 Datasheet, PDF (3/19 Pages) Texas Instruments – HIGH PERFORMANCE BATTERY MONITOR IC WITH COULOMB COUNTER, VOLTAGE AND TEMPERATURE MEASUREMENT

bq26220
SLUS521B − AUGUST 2002 − REVISED FEBRUARY 2004
dc electrical characteristics over recommended operating temperature and supply voltage (unless
otherwise noted)
PARAMETER
ICC(OP)
I(SLEEP)
I(HIBERNATE)
ICC(PROG)
ICC(ERASE)
I(RBI)
IOL
Supply current
Sleep current
Hibernate current
Flash programming supply current
Flash erase supply current
Register back-up current
Digital output low sink current, GPIO
and HDQ pins
VIL
Digital input low, GPIO and HDQ pins
VIH
RBAT
RSR
Digital input high, GPIO and HDQ pins
BAT input impedance
SRP, SRN input impedance
TEST CONDITIONS
VCC = 4.3 V, flash programming not active
VCC = 4.3 V, flash programming not active
0 < VCC < VPOR
VCC = 5.5
VCC = 5.5
RBI pin only,
1.2 V< VCC < V(POR)
VOL = 0.4 V
VCC < 4.2 V
VCC > 4.2 V
0.2 V < (V(SRP) − V(SRN)₎ < VCC
MIN TYP
30
1
21
21
1.7
1.9
10
10
MAX
37
5
600
30
30
25
1
0.7
UNIT
µA
nA
mA
nA
mA
V
MΩ
timer characteristics over recommended operating temperature and supply voltage (unless
otherwise noted)
E(TMR)
PARAMETER
Timer accuracy error
TEST CONDITIONS
MIN TYP
−4%
MAX UNIT
4%
temperature register characteristics over recommended operating temperature and supply
voltage (unless otherwise noted)
T(RES)
E(T)
PARAMETER
Reported temperature resolution
Reported temperature
BQ26220PW
accuracy
TEST CONDITIONS
TSSOP package
MIN TYP
0.25
−4
MAX UNIT
_K
4
voltage ADC specification, over recommended operating temperature and supply voltage, (unless
otherwise noted)
PARAMETER
Least significant bit (LSB)(1)
TEST CONDITIONS
2.6 V ≤ VBAT ≤ 4.5 V
MIN
TYP
MAX UNIT
2.44
mV
Integral nonlinearity (INL)
2.6 V ≤ VBAT ≤ 4.5 V, Vcc=VBAT
−4
+4
LSB
Differential nonlinearity (DNL)
2.6 V ≤ VBAT ≤ 4.5 V, Vcc=VBAT
−1
+1
LSB
Offset error
2.6 V ≤ VBAT ≤ 4.5 V, Vcc=VBAT
−3
+14
LSB
Maximum error
2.6 V ≤ VBAT ≤ 4.5 V, Vcc=VBAT
−9
+15
LSB
NOTE 1. For a more detailed explantion of parameters refer to the application note, Understanding Data Converters, TI Literature No. SLAA013.
www.ti.com
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