Surface mount switching charger IC for single-cell Li-Ion batteries, delivering up to 1.55A charge current and 1.55A output current. Features USB-OTG functionality, power path management, and 2.3A production test support. Operates with input voltages from 4V to 6V, supporting battery pack voltages up to 4.2V. Includes over-voltage, over-temperature, and short-circuit fault protection. Interface via I2C, with a compact 2.4mm x 2mm x 0.378mm package.
MountingSurface Mount
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Technical Specifications
Onsemi FAN54041UCX technical specifications.
General
| Battery Pack Voltage | 4.2V |
| Fault Protection | Over Voltage, Over Temperature, Short Circuit |
| Height | 0.378mm |
| Interface | I2C |
| Length | 2.4mm |
| Max Charge Current | 1.55A |
| Max Input Voltage | 28V |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Output Current | 1.55A |
| Max Output Voltage | 4.4V |
| Min Output Voltage | 3.5V |
| Max Supply Voltage | 6V |
| Min Supply Voltage | 4V |
| Mount | Surface Mount |
| Number of Cells | 1 |
| Operating Supply Current | 10mA |
| Output Current | 2.3A |
| Output Voltage | 4.2V |
| Package Quantity | 3000 |
| Packaging | Tape and Reel |
| Radiation Hardening | No |
| RoHS Compliant | Yes |
| Weight | 0.00462g |
| Width | 2mm |
Compliance
| RoHS | Compliant |
Datasheet
Onsemi FAN54041UCX Datasheet
Download the complete datasheet for Onsemi FAN54041UCX to view detailed technical specifications.
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