Linear Technology LTC3550EDHC-1#PBF - Integrated Battery Charger and PowerPath Manager

The LTC3550EDHC-1#PBF is a highly integrated power management IC from Linear Technology, designed to efficiently charge single-cell Lithium-ion or Lithium-polymer batteries and simultaneously provide a stable power supply to system loads. This advanced IC integrates a standalone battery charger and a high-efficiency synchronous step-down DC/DC converter in a compact, low-profile 16-lead DFN package.

Key Features:

• Integrated PowerPath Management: The LTC3550 seamlessly manages power between the battery and the external supply, ensuring uninterrupted operation even when the external power is removed.
• Programmable Charge Current: The charging current is programmable up to 950mA, which allows for fast charging of the battery, reducing downtime and enhancing user experience.
• High-Efficiency Synchronous Buck Converter: The integrated DC/DC converter delivers up to 600mA of continuous output current with high efficiency, suitable for powering portable devices.
• Instant-On Operation: The LTC3550EDHC-1#PBF is designed to power the system load from the battery at all times, ensuring that the device can operate even with a deeply discharged battery.
• Thermal Regulation: To maximize the charge rate without risk of overheating, the IC includes thermal regulation that reduces charge current in the event of excessive temperature rise.
• Charge Status Indicators: The device includes status pins that provide real-time feedback on the state of charge, allowing for easy integration into user interfaces.

Applications:

The LTC3550EDHC-1#PBF is ideal for a wide range of portable applications where efficient charging and power management are critical. These include handheld instruments, medical devices, and personal media players, among others.

Quality and Reliability:

As with all Linear Technology products, the LTC3550EDHC-1#PBF is designed to meet the highest standards of quality and reliability, ensuring long-term performance in demanding environments.