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3ELECTRICALSPECIFICATIONS
3.1ABSOLUTEMAXIMUMRATINGS
3.2RECOMMENDEDOPERATINGCONDITIONS
3.3POWER-ONRESET
bq27500
bq27501
System-SideImpedanceTrack™FuelGauge
SLUS785–SEPTEMBER2007
overoperatingfree-airtemperaturerange(unlessotherwisenoted)
(1)
PARAMETERVALUEUNIT
V
CC
Supplyvoltagerange–0.3to2.75V
V
IOD
Open-drainI/Opins(BI_TOUT,SDA,SDL,BAT_GD)–0.3to6V
V
BAT
BATinputpin–0.3to+6
V
I
Inputvoltagerangetoallotherpins(TS,SRP,SRN,RID[bq27501only],NC–0.3toV
CC
+0.3V
[bq27500only])
1kV
ESDHumanBodyModel(HMB)
2kV
T
F
Functionaltemperaturerange–40to100°C
T
STG
Storagetemperaturerange–65to150°C
(1)Stressesbeyondthoselistedunderabsolutemaximumratingsmaycausepermanentdamagetothedevice.Thesearestressratings
only,andfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedunderrecommendedoperating
conditionsisnotimplied.Exposuretoabsolute-maximum-ratedconditionsforextendedperiodsmayaffectdevicereliability.
T
A
=25°C,V
CC
=2.5V(unlessotherwisenoted)
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
V
CC
SupplyVoltage2.42.52.6V
I
CC
Normaloperatingmodecurrent
(1)
95μA
I
SLP
Low-powerstoragemodecurrent
(2)
15μA
I
CC
Hibernateoperatingmodecurrent
(3)
2μA
V
OL
Outputvoltagelow(SDA,BAT_LOW,BI/TOUT)I
OL
=0.5mA0.4V
V
OH(PP)
Outputhighvoltage(BAT_LOW)I
OH
=–1mAV
CC
–0.5V
Externalpull-upresistor
V
OH(OD)
Outputhighvoltage(SDA,SCL,BI/TOUT)V
CC
–0.5V
connectedtoV
CC
V
IL
Inputvoltagelow(SDA,SCL)–0.30.8
V
V
IH(OD)
Inputvoltagehigh(SDA,SCL,BI/TOUT)26
C
IN
Inputcapacitance5pF
V
A1
Inputvoltagerange(TS,RID[bq27501only])V
SS
–0.1252V
V
A2
Inputvoltagerange(BAT)V
SS
–0.1255V
V
A3
Inputvoltagerange(SRP,SRN)V
SS
–0.1250.125V
t
PUCD
Powerupcommunicationdelay250ms
T
A
Operatingfree-airtemperaturerange–4085°C
(1)Highlevelofsystemactivity.
(2)Lowlevelofsystemactivity.
(3)Fuelgaugealgorithmpowerinactive.OnlyabletoreceiveI
2
Ccommunication.
T
A
=–40°Cto85°C,TypicalValuesatT
A
=25°CandV
BAT
=3.6V(unlessotherwisenoted)
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
V
IT+
Positive-goingbatteryvoltageinputatV
CC
2.092.202.31V
V
HYS
45115185mV
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