Product Overview: LT3651EUHE-8.4#PBF

The LT3651EUHE-8.4#PBF is a highly efficient, single-cell Li-Ion battery charger integrated circuit designed by Linear Technology for precision charging applications. This advanced charging solution is ideal for portable electronic devices, medical equipment, and any other systems that require reliable battery management. With its wide input voltage range and ability to deliver up to 2A of continuous charge current, the LT3651EUHE-8.4#PBF is a versatile component suited for a variety of demanding applications.

Key Features:

• Input Voltage Range: The device operates over a wide input voltage range from 4.95V to 32V, making it suitable for various power sources, including wall adapters and solar panels.
• Adjustable Charge Current: Users can set the charge current from 0.1A to 2A through a single resistor, providing flexibility in the design and optimization of the charging profile for specific battery requirements.
• Precision Charge Voltage: The LT3651EUHE-8.4#PBF ensures accurate charge voltage with a tight regulation of ±0.35% at 25°C, which is crucial for maximizing battery capacity and lifespan.
• Programmable Charge Termination: The device includes programmable C/10 charge termination and an onboard timer for added safety and battery protection.
• Thermal Regulation: To prevent overheating, the charger regulates the charge current based on the die temperature during high power operation or high ambient temperature conditions.
• No External Blocking Diode Required: The internal ideal diode controller provides a low loss power path, enhancing efficiency and negating the need for an external Schottky diode.

Protection Features:

• Reverse Battery Protection: The device prevents damage to the charger in case of reverse battery installation.
• Overvoltage Protection: The LT3651EUHE-8.4#PBF includes overvoltage protection that safeguards the charger and the battery from input voltage spikes.
• Thermal Shutdown: The thermal shutdown feature ensures the device operates within safe temperature limits, protecting both the charger and the battery.

The LT3651EUHE-8.4#PBF comes in a compact 3mm x 3mm QFN package, making it a space-saving solution for modern electronic designs. With its comprehensive set of features and protections, this Linear Technology product stands out as a reliable and high-performance charging solution for single-cell Li-Ion batteries.