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| BQ27500-V120 Datasheet, PDF (5/36 Pages) Texas Instruments – System-Side Impedance Track™ Fuel Gauge | |||
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bq27500-V120
www.ti.com
System-Side Impedance Track⢠Fuel Gauge
SLUS880 â OCTOBER 2008
RECOMMENDED OPERATING CONDITIONS (continued)
TA = -40°C to 85°C; Typical values at TA = 25°C and VCC = 2.5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
Input voltage (OD), low (SDA, SCL)
VIL
Input voltage, low (BI/TOUT)
â0.3
BAT INSERT CHECK MODE active
â0.3
Input voltage (OD), high (SDA, SCL)
1.2
VIH
Input voltage, high (BI/TOUT)
BAT INSERT CHECK MODE active
1.2
CIN
VA1
VA2
VA3
Ilkg
tPUCD
Input capacitance (SDA, SCL, BI/TOUT)
Input voltage range (TS)
Input voltage range (BAT)
Input voltage range (SRP, SRN)
Input leakage current (I/O pins)
Power-up communication delay
VSS â 0.125
VSS â 0.125
VSS â 0.125
TYP MAX UNIT
0.6
0.6
6V
VCC +
0.3
35
pF
2V
5V
0.125 V
0.3 µA
250
ms
3.3 POWER-ON RESET
TA = â40°C to 85°C, typical values at TA = 25°C and VBAT = 3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
VIT+
VHYS
Positive-going battery voltage input at VCC
Hysteresis voltage
2.09
45
TYP MAX UNIT
2.2 2.31 V
115
185 mV
3.4 INTERNAL TEMPERATURE SENSOR CHARACTERISTICS
TA = â40°C to 85°C, 2.4 V < VCC < 2.6 V; typical values at TA = 25°C and VCC = 2.5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX
GTEMP
Temperature sensor voltage gain
â2
UNIT
mV/°C
3.5 HIGH-FREQUENCY OSCILLATOR
TA = â40°C to 85°C, 2.4 V < VCC < 2.6 V; typical values at TA = 25°C and VCC = 2.5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
fOSC
fEIO
tSXO
Operating frequency
Frequency error(1) (2)
Start-up time(3)
TA = 0°C to 60°C
TA = â20°C to 70°C
TA = â40°C to 85°C
2.097
â2% 0.38%
â3% 0.38%
â4.5% 0.38%
2.5
2%
3%
4.5%
5
MHz
ms
(1) The frequency error is measured from 2.097 MHz.
(2) The frequency drift is included and measured from the trimmed frequency at VCC = 2.5 V, TA = 25°C.
(3) The start-up time is defined as the time it takes for the oscillator output frequency to be within ±3% of typical oscillator frequency.
3.6 LOW-FREQUENCY OSCILLATOR
TA = â40°C to 85°C, 2.4 V < VCC < 2.6 V; typical values at TA = 25°C and VCC = 2.5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
fLOSC
Operating frequency
32.768
UNIT
kHz
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ELECTRICAL SPECIFICATIONS
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