Datasheet

DocID023755 Rev 4 9/31
STC3115 Application information
31
5 Application information
Figure 3. Example of an application schematic using the STC3115 in mixed mode
Figure 4. Example of an application schematic using the STC3115 without current
sensing
Table 6. External component list
Name Value Tolerance Comments
Rcg 5 to 50 mΩ 1% to 5% Current sense resistor (2% or better recommended)
C1 1 µF Supply decoupling capacitor
C2 220 nF Battery voltage input filter (optional)
R1 1 kΩ Battery voltage input filter (optional)
R2 1 kΩ Battery detection function
IO voltage
Optional filter
GND
Battery pack
Other
detection
circuit
Rcg
Rid
C1
R1
STC3115
R2
SCL
SDA
ALM
RSTIO/BATD
VCC
VIN
BATD/CD
CG
C2
IO voltage
Optional filter
GND
Battery pack
Other
detection
circuit
Rid
C1
R1
STC3115
R2
C2
SCL
SDA
ALM
RSTIO/BATD
VCC
VIN
BATD/CD
CG