Fairchild Semiconductor FAN54040UCX
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 2.55 | Dhs. 2.55 |
| 15+ | Dhs. 2.48 | Dhs. 37.20 |
| 25+ | Dhs. 2.43 | Dhs. 60.75 |
| 50+ | Dhs. 2.30 | Dhs. 115.00 |
| 100+ | Dhs. 2.03 | Dhs. 203.00 |
| N+ | Dhs. 0.41 | Price Inquiry |
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FAN54040UCX - Advanced Single-Cell Lithium-Ion Battery Charger IC
The FAN54040UCX from Fairchild Semiconductor is a high-performance, fully integrated battery charger IC designed for single-cell lithium-ion and lithium-polymer battery applications. This advanced power management solution delivers reliable, efficient charging with comprehensive safety features and flexible programmability.
Key Features & Benefits
- High Charge Current: Supports up to 1.25A maximum charging current for fast, efficient battery replenishment
- Intelligent Programmability: Customize charging parameters including current, voltage, and timer settings via I2C interface
- Multi-Interface Support: Compatible with both I2C and USB interfaces for versatile system integration
- Comprehensive Protection: Built-in safeguards against over-temperature, over-voltage, and short-circuit conditions ensure safe operation
- Wide Operating Range: Functions reliably across -30°C to 85°C ambient temperature range
- Compact Surface Mount Design: Space-saving 20-WLCSP (1.96x1.56mm) package ideal for portable and embedded applications
- RoHS Compliant: Meets environmental standards for lead-free manufacturing
Ideal Applications
Perfect for portable electronics, IoT devices, wearables, medical instruments, industrial sensors, and any application requiring reliable single-cell Li-Ion/Polymer battery charging with advanced control and protection features.
Related Products & Resources
Explore our complete range of Battery Chargers for more power management solutions. Visit our homepage to discover our full catalog of electronic components, or check out our NEWS blog for the latest industry insights, technical articles, and product updates.
| Product attributes | Property Value |
| Manufacturer | Fairchild Semiconductor |
| Product Series | |
| Packaging | Bulk | |
| Battery Chemistry | Lithium Ion/Polymer |
| Number of Cells | 1 |
| Current - Charging | Constant - Programmable |
| Programmable Features | Current, Timer, Voltage |
| Fault Protection | Over Temperature, Over Voltage, Short Circuit |
| Charge Current - Max | 1.25A |
| Battery Pack Voltage | 4.5V (Max) |
| Voltage - Supply (Max) | 6V |
| Interface | I2C, USB |
| Operating Temperature | -30°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-UFBGA, WLCSP |
| Supplier Device Package | 20-WLCSP (1.96x1.56) |
| ROHS |

FAN54040UCX.pdf