What It Is
The 2SES01FA is cross-referenced to the TX4056C, a linear Li-ion/Li-polymer battery charge management IC. This chip is a single-cell lithium battery charger controller, commonly used in USB-powered charging circuits.
Key Specifications
- Calibrated for standard Li-ion/Li-polymer cells with a 4.2V float (full-charge) voltage
- Operating temperature range: -40°C to +85°C
- Not AEC-Q100 automotive qualified — intended for consumer electronics, not automotive use
- Package: SOP-8 surface-mount
What It's Used For
This IC manages the charging process for a single-cell lithium battery — regulating charge current and voltage safely from a USB or DC input, commonly found in:
- Power banks
- Bluetooth speakers/earbuds
- Small rechargeable gadgets
- Battery-powered consumer electronics
Package Includes
- 1 × 2SES01FA Li-Ion Charger IC (SOP-8)