Linear Technology LTC4120EUD#PBF Wireless Power Receiver and Battery Charger

The LTC4120EUD#PBF is a sophisticated solution for wireless power transfer and battery charging applications, designed and manufactured by Linear Technology. This innovative component enables the wireless charging of batteries by utilizing inductive coupling from a transmit coil to a receive coil, eliminating the need for physical electrical connections. The LTC4120EUD#PBF is particularly suitable for portable devices, medical instruments, and other applications where contactless charging is a significant advantage.

The device integrates a full-featured battery charger with a wireless power receiver, capable of efficiently charging single-cell Li-Ion or Li-Polymer batteries. Its charging parameters can be preset, ensuring safe and reliable charging tailored to the specific battery chemistry. The LTC4120EUD#PBF supports a wide range of input voltages and provides multiple safety features, including foreign object detection, which prevents the system from delivering power when a foreign metallic object is present on the receiver coil.

The LTC4120EUD#PBF's compact 16-lead QFN package measures just 3mm x 3mm, making it an excellent choice for space-constrained applications. It also includes an onboard power management system that optimizes power delivery based on the available transmit power and battery charging requirements. This ensures efficient operation and extends the life of the battery.

Key features of the LTC4120EUD#PBF include:

• Wireless power receiver with integrated battery charger for Li-Ion/Polymer batteries
• Automatic recharging with a programmable charge termination timer
• Wide input voltage range for versatile use across different applications
• Foreign object detection for enhanced safety
• Compact 16-lead QFN package for space-sensitive designs
• Thermal regulation to prevent overheating during operation

Overall, the LTC4120EUD#PBF from Linear Technology represents a reliable and efficient solution for designers looking to incorporate wireless charging capabilities into their products, with the added benefit of a fully integrated battery charging system.