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STC3100IST Fiches technique(PDF) 5 Page - STMicroelectronics

No de pièce STC3100IST
Description  Battery monitor IC with Coulomb counter/gas gauge
Download  21 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STC3100IST Fiches technique(HTML) 5 Page - STMicroelectronics

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STC3100
Electrical characteristics
5/21
4
Electrical characteristics
Table 4.
Electrical characteristics (2.7 V < VCC < 4.5 V, -20° C to 70° C)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Supply
ICC
Operating current consumption
Average value over 4s
100
uA
Istby
Current consumption in standby
standby mode, inputs=0V
2
uA
Ipdn
Current consumption in power down
VCC < UVLOth, inputs=0V
1
uA
UVLOth
Undervoltage threshold
(VCC decreasing)
2.5
2.6
2.7
V
UVLOhyst
Undervoltage threshold hysteresis
100
mV
POR
Power-on reset threshold
(VCC decreasing)
2.0
V
Gas gauge A/D converter
Vin_gg
Input voltage range
-80
+80
mV
Iin
Input current for CG pin
500
nA
ADC_res
AD converter granularity
12 bits
13 bits
14 bits
47.08
23.54
11.77
uV
uV
uV
ADC_offset
AD converter offset
CG = 0V
12 bits
13 bits
14 bits
-2
-2
-3
2
2
3
LSB
LSB
LSB
ADC_time
AD conversion time (32768Hz clock)
12 bits
13 bits
14 bits
125
250
500
ms
ms
ms
ADC_acc
AD converter gain accuracy at full scale
25
° C
over temperature range
0.5
1
%
%
Fosc
Internal time base frequency
Rosc = 200 k
Ω, 0.1%
32768
Hz
Osc_acc
Internal time base accuracy
25
° C, VCC =3.6 V
over temperature and
voltage ranges
2
2.5
%
%
Fosc_ext
External time base frequency range
30
70
kHz
Cur_res
Current register LSB value
11.77
uV
Chg_res
Charge register LSB value
(32,768 Hz clock)
=Cur_res*2^12*0.5/3600
6.70
uV.h
Global_
CG_acc
Gas gauge accuracy (not including the
external sense resistor tolerance)
Using internal time base
Using external time base
3.5
1
%
%


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