The LTC4002ES8-8.4#PBF is a high-performance, standalone linear battery charger manufactured by Linear Technology, designed to charge single-cell lithium-ion batteries. This integrated circuit (IC) is housed in a narrow SO-8 package, ensuring a compact footprint suitable for space-constrained applications.

Key Features

• Charging Voltage: The device is specifically tailored for 8.4V lithium-ion batteries, providing the precise control necessary for safe and efficient charging.
• Charging Current: It can deliver up to 2A of charge current, which is programmable via a single external resistor, allowing for flexibility in the charging profile based on the battery's capacity and manufacturer's recommendations.
• Charge Termination: The LTC4002ES8-8.4#PBF includes an automatic charge termination feature once the battery is fully charged, which helps to prevent overcharging and extends the life of the battery.
• Thermal Protection: With built-in thermal regulation, the charger ensures that the device and battery remain within safe temperature limits during the charging process.
• Status Indication: An on-chip status pin provides a signal that can be used to indicate charging progress and completion, which is useful for user interfaces.

Applications

This charger is ideal for portable electronic devices that require a single lithium-ion cell, such as digital cameras, MP3 players, and Bluetooth headsets. Its robust design also makes it suitable for more demanding applications, including medical devices and industrial equipment where reliable charging is critical.

Quality and Reliability

Linear Technology's LTC4002ES8-8.4#PBF is designed with the quality and reliability that customers have come to expect from a leader in power management solutions. The product is lead-free and RoHS compliant, reflecting the company's commitment to environmental responsibility.

Summary

In summary, the LTC4002ES8-8.4#PBF from Linear Technology is a versatile and reliable solution for charging single-cell lithium-ion batteries. Its programmable charge current, automatic charge termination, thermal protection, and status indication features make it an excellent choice for a wide range of applications where battery performance and longevity are of utmost importance.