BQ27441-G1 Datasheet, PDF (7/22 Pages) Texas Instruments – System-Side Impedance Track Fuel Gauge

bq27441-G1
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SLUSBH1A – NOVEMBER 2013 – REVISED JANUARY 2014
ADC (TEMPERATURE AND CELL MEASUREMENT) CHARACTERISTICS
T_A = –40°C to 85°C; typical values at T_A = 30°C and V_REGIN = 3.6 V (unless otherwise noted) (Force Note1)⁽¹⁾
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
V_IN(BAT)
BAT pin voltage measurement Voltage divider enabled.
range.
2.45
4.5
t_{ADC_CONV}
Conversion time
125
Effective Resolution
15
(1) Specified by design. Not tested in production.
UNIT
V
ms
bits
INTEGRATING ADC (COULOMB COUNTER) CHARACTERISTICS
T_A = –40°C to 85°C; typical values at T_A = 30°C and V_REGIN = 3.6 V (unless otherwise noted)(Force Note1)⁽¹⁾
PARAMETER
TEST CONDITIONS
MIN
TYP
V_SR
Input voltage range from BAT to
SRX pins
BAT ± 25
t_{SR_CONV}
Conversion time
Single conversion
1
Effective Resolution
Single conversion
16
MAX
(1) Assured by design. Not tested in production.
UNIT
mV
s
bits
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