STC3105IQT Datasheet, PDF (6/23 Pages) STMicroelectronics – Battery monitor IC with alarm output for gas gauge applications

Electrical characteristics
4
Electrical characteristics
STC3105
Table 4. Electrical characteristics (2.7 V < V_CC < 4.5 V, -20 ° C to 70 ° C)
Symbol
Parameter
Conditions
Min Typ Max Units
Supply
I_CC
Operating current consumption
I_STBY
I_PDN
UVLO_TH
UVLO_HYST
POR
Current consumption in standby
Current consumption in power-down
Undervoltage threshold
Undervoltage threshold hysteresis
Power-on reset threshold
Current sensing
Average value over 4 s in:
– power-saving mode
– Active mode
60 70 µA
- 100 µA
Standby mode, inputs=0V
2 µA
V_CC < UVLO_TH, inputs=0V
1 µA
(V_CC decreasing)
2.5 2.6 2.7 V
100
mV
(V_CC decreasing)
2.0
V
Vin_gg
I_IN
ADC_res
ADC_offset
ADC_time
ADC_acc
F_OSC
Osc_acc
Cur_res
Chg_res
Input voltage range
Input current for CG pin
AD converter granularity
AD converter offset
CG = 0 V
AD conversion time
AD converter gain accuracy at full scale 25 ° C
(using external sense resistor)
Over temperature range
Internal time base frequency
Internal time base accuracy
25 ° C, V_CC = 3.6 V
over temperature and
voltage ranges
Current register LSB value
Charge register LSB value
=Cur_res*2^12*0.5/3600
-80
+80 mV
500 nA
11.77
µV
-3
3 LSB
500
ms
0.5
-
%
-
1
%
32768
Hz
2
%
2.5 %
11.77
µV
6.70
µVh
6/23
Doc ID 022198 Rev 1