Product Overview: LT3651EUHE-8.4#TRPBF

The LT3651EUHE-8.4#TRPBF is a high-efficiency, 1A monolithic single-cell Li-Ion battery charger integrated circuit from Linear Technology, a brand of Analog Devices. It is designed to efficiently charge single-cell lithium-ion batteries from a wide range of input voltage sources, making it a versatile choice for portable electronic applications.

Key Features

• Wide Input Voltage Range: The device can operate from an input voltage range of 4.95V to 32V, which is ideal for applications that may encounter varied power supply conditions.
• Adjustable Charge Current: Users can set the charge current from 0.1A to 1A through a single resistor, providing flexibility in charging different battery capacities.
• Precision Charge Voltage: The LT3651EUHE-8.4#TRPBF offers a highly accurate charge voltage with a tolerance of ±0.5%, ensuring the battery is charged to its optimal voltage.
• Programmable Charge Termination: The charger includes a programmable C/10 charge termination, which is a safety feature that stops charging the battery once it reaches a tenth of the programmed charge current.
• Automatic Recharge: A built-in feature automatically initiates a new charging cycle if the battery voltage falls below a preset level, keeping the battery topped up.
• Thermal Regulation: To protect the battery and the charger, the device includes thermal regulation that reduces charge current if the internal temperature of the chip exceeds a preset threshold.

Applications

The LT3651EUHE-8.4#TRPBF is suitable for a wide range of applications, including portable medical devices, handheld instruments, and industrial equipment. Its small package size and high level of integration make it particularly well-suited for space-constrained environments.

Quality and Reliability

Linear Technology is known for its commitment to quality, and the LT3651EUHE-8.4#TRPBF is no exception. It is available in a 3mm x 3mm QFN package and is designed to meet the rigorous standards required for industrial and automotive applications. The device is RoHS compliant and lead-free, ensuring it meets current environmental standards for electronic components.

For engineers and designers looking for a reliable and efficient solution for charging single-cell Li-Ion batteries, the LT3651EUHE-8.4#TRPBF from Linear Technology stands out as a robust choice.