Product Overview: LT3650IDD-8.4#PBF by Analog Devices Inc.

The LT3650IDD-8.4#PBF is a high-performance battery charger IC designed and manufactured by Analog Devices Inc., a leader in precision high-performance integrated circuits. This particular model is tailored for charging single-cell lithium-ion batteries, with a fixed float voltage of 8.4 volts, ensuring that the battery is charged efficiently and safely to its peak capacity.

Key Features

• Precision Charging: The LT3650 provides a precise final float voltage accuracy of ±1%, which is critical for the longevity and reliability of lithium-ion batteries.
• Programmable Charge Rate: Users can set the charge current from 1.5A up to a maximum of 2A, allowing for flexibility depending on the specific battery's requirements.
• Multi-Stage Charging: This IC employs a multi-stage charging algorithm, including preconditioning, constant-current mode, and constant-voltage mode, which helps to maximize battery capacity and lifespan.
• Charge Status Output: An onboard charge status output allows for real-time monitoring of the charging process, which is essential for applications requiring precise charge management.
• Thermal Regulation: To protect against overheating, the LT3650 features thermal regulation that reduces charge current if the internal temperature of the IC approaches its limit.
• Automatic Recharge: Once the battery voltage falls below a preset level, the LT3650 automatically initiates a new charging cycle, ensuring the battery remains fully charged.

Applications

The LT3650IDD-8.4#PBF is suitable for a wide range of applications where efficient and reliable battery charging is essential. This includes portable electronic devices, medical equipment, industrial and automotive systems, and any other application that relies on single-cell lithium-ion batteries.

Quality and Reliability

Analog Devices Inc. is known for its commitment to quality, and the LT3650IDD-8.4#PBF is no exception. The device is housed in a compact 12-lead DFN package with a thermal pad for enhanced thermal performance. It is also lead-free and RoHS compliant, reflecting the company's dedication to environmental sustainability.

Conclusion

With its precise charge control, flexible programming, and comprehensive protection features, the LT3650IDD-8.4#PBF from Analog Devices Inc. stands out as an advanced solution for single-cell lithium-ion battery charging. Its robust design and versatile applications make it an excellent choice for designers looking for a reliable and efficient battery charging IC.