The STC3105 is a low-power battery monitor IC from ST company, which integrates low-cost battery voltage monitoring, programmable threshold low battery alarm output, open-circuit voltage and coulomb counter battery charge calculation, small 3x2mm package, etc. Applicable to mobile phones, multimedia players, digital cameras, portable medical equipment and other applications.
The STC3105 is a battery monitor IC designed for gas gauge applications in mobile phones, multimedia players, and portable medical equipment. It utilizes accurate battery voltage measurements and a coulomb counter method to estimate the state-of-charge (SOC). The device includes a low battery alarm output with programmable thresholds and operates with low power consumption, drawing 60 µA in power-saving mode.
| Battery voltage monitoring accuracy | 0.5% |
|---|---|
| Power-saving mode current | 60 µA |
| Standby mode current | 2 µA max |
| Supply voltage range | 2.7 to 5.5 V |
| Operating temperature range | -40 to 85 °C |
| Package type | TDFN8 3x2 |
The current consumption is 60 µA in power-saving mode.
The maximum current in standby mode is 2 µA.
The battery voltage monitoring accuracy is 0.5%.