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| BQ35100 Datasheet, PDF (6/26 Pages) Texas Instruments – Lithium Primary Battery Fuel Gauge | |||
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bq35100
SLUSCM6A â JUNE 2016 â REVISED JULY 2016
www.ti.com
6.7 Electrical Characteristics: LDO Regulator
TA = 25°C, CLDO25 = 1.0 μF, VREGIN = 3.6 V (unless otherwise noted)(1)
PARAMETER
TEST CONDITIONS
VREG25 Regulator output voltage
2.7 V ⤠VREGIN ⤠4.5 V, IOUT ⤠16 mA TA = â40°C
to 85°C
2.45 V ⤠VREGIN < 2.7 V, IOUT ⤠3 mA TA =
â40°C to 85°C
ISHORT(2) Short circuit current limit
VREG25 = 0 V
TA = â40°C to 85°C
(1) LDO output current, IOUT, is the sum of internal and external load currents.
(2) Specified by design. Not production tested.
MIN TYP
2.3
2.5
2.3
MAX UNIT
2.7
V
250 mV
6.8 Electrical Characteristics: Internal Temperature Sensor
TA = â40°C to 85°C, 2.4 V < REG25 < 2.6 V; Typical Values at TA = 25°C and REG25 = 2.5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP
MAX UNIT
GTEMP
Internal temperature sensor
voltage gain
â2
mV/°C
6.9 Electrical Characteristics: Low-Frequency Oscillator
TA = â40°C to 85°C, 2.4 V < REG25 < 2.6 V; Typical Values at TA = 25°C and REG25 = 2.5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
f(LOSC)
f(EIO)
t(SXO)
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
â2%
â3%
â4.5%
32.768
0.38%
0.38%
0.38%
2.5
kHz
2%
3%
4.5%
5 ms
(1) The frequency error is measured from 2.097 MHz.
(2) The frequency error is measured from 32.768 kHz.
(3) The startup time is defined as the time it takes for the oscillator output frequency to be ±3%.
6.10 Electrical Characteristics: Integrating ADC (Coulomb Counter)
TA = â40°C to 85°C, 2.4 V < REG25 < 2.6 V; Typical Values at TA = 25°C and REG25 = 2.5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
V(SR)
tSR_CONV
Input voltage range,
V(SRN) and V(SRP)
Conversion time
Resolution
V(SR) = V(SRN) â V(SRP)
Single conversion
â0.125
14
0.125 V
1
s
15 bits
VOS(SR)
INL
Input offset
Integral nonlinearity
error
10
±0.007%
µV
±0.034% FSR(1)
ZIN(SR)
Effective input
resistance (2)
2.5
MΩ
ILKG(SR)
Input leakage
current (2)
0.3 µA
(1) Full-scale reference
(2) Specified by design. Not tested in production.
6.11 Electrical Characteristics: ADC (Temperature and Voltage Measurements)
TA = â40°C to 85°C, 2.4 V < REG25 < 2.6 V; Typical Values at TA = 25°C and REG25 = 2.5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
VIN(BAT)
VIN(TSAT)
BAT Input range
TS Input range
VSS â 0.125
VSS â 0.125
5V
VCC
V
6
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