STC3117 Datasheet, PDF (10/34 Pages) STMicroelectronics – Gas gauge IC with battery charger control for handheld applications

Application information
5
Application information
STC3117
Figure 4. Example of an application schematic
IO voltage
SCL
SDA
ALM
CD
STC3117
GND
Optional filter
VCC
C1
VIN
BATD
CS
R1
Other
C2 _detection
circuit _{Battery pack}
R2
Rid
Rs
Name
Rs
C1
C2
R1
R2
Table 6. External component list
Value
Tolerance
Comments
5 to 50 mΩ
1 µF
1 % to 5 % Current sense resistor (2% or better recommended)
Supply decoupling capacitor
220 nF
1 kΩ
Battery voltage input filter (optional)
Battery detection function
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