LTC3550EDHC#PBF - Dual Input USB/AC Adapter, Li-Ion Battery Charger with 600mA Buck Regulator

The LTC3550EDHC#PBF is a versatile and compact integrated charging solution from Linear Technology, designed to efficiently manage power for portable devices. This advanced product combines a dual input power manager, a full-featured battery charger, and a high-efficiency synchronous buck regulator in a single device, making it an ideal choice for space-constrained applications.

Key Features:

• Dual Input Power Path Management: The LTC3550EDHC#PBF intelligently manages power between USB and AC adapter sources, ensuring that the device can operate seamlessly when switching between power inputs.
• Li-Ion/Polymer Battery Charger: This product supports charging of single-cell lithium-ion or lithium-polymer batteries, providing a safe and efficient charging cycle with programmable charge current up to 950mA from the AC adapter input and up to 100mA from the USB input.
• 600mA Synchronous Buck Regulator: The integrated buck regulator delivers up to 600mA of continuous output current with high efficiency, which is essential for maximizing battery life in portable applications.
• PowerPath Control: The LTC3550EDHC#PBF has PowerPath control that allows the device to provide power to the system load while simultaneously charging the battery, ensuring uninterrupted operation.
• Thermal Regulation: To protect the battery and the charger from overheating, the device includes thermal regulation that reduces charge current in the event of excessive temperature rise.
• Compact Package: The product is available in a 16-lead DFN package (4mm x 3mm), which helps to minimize the footprint on the PCB and is suitable for space-constrained applications.

Applications:

The LTC3550EDHC#PBF is ideal for a wide range of portable devices, including:

• Handheld Instruments
• Medical Devices
• Portable Media Players
• GPS Receivers
• Bluetooth Headsets
• Other USB-powered gadgets

With its advanced features and dual-input flexibility, the LTC3550EDHC#PBF from Linear Technology presents a comprehensive power management and charging solution that enhances the usability and longevity of battery-powered devices.