Product Overview: LTC1734LES6-4.2#TR

The LTC1734LES6-4.2#TR is a highly efficient and compact single-cell lithium-ion battery charger integrated circuit from Linear Technology. Designed to simplify the charging process for portable electronic devices, this IC offers a precise end-of-charge voltage of 4.2V, ensuring the longevity and safety of the battery.

Key Features

• Charging Voltage: The charger is designed to provide a precise charging voltage of 4.2 volts, which is critical for maintaining the health and cycle life of lithium-ion batteries.
• Small Package: Encased in a compact SOT-23 package, the LTC1734LES6-4.2#TR is ideal for space-constrained applications.
• Autonomous Charging Control: This IC can autonomously control the charging process without the need for external microcontrollers, simplifying the design and reducing system complexity.
• Charge Current: It offers programmable charge current up to 150mA, allowing for customization based on specific battery requirements.
• Thermal Protection: The LTC1734LES6-4.2#TR includes thermal feedback to regulate the charge current and maintain the temperature within safe limits during operation.
• Charge Termination: The IC provides an automatic charge termination feature once the battery reaches the programmed voltage, preventing overcharging.
• Status Indication: An onboard charge status output can be used to drive an LED or interface with a host processor, providing visual feedback or system alerts during the charging process.
• Low Dropout Voltage: The low dropout voltage ensures efficient charging even with low input voltages, making it suitable for use with USB power sources or other low-voltage supplies.

Applications

The LTC1734LES6-4.2#TR is versatile and can be used in various applications, including:

• Portable consumer electronics such as smartphones, tablets, and digital cameras
• Bluetooth headsets and wearable technology
• Medical devices and health monitoring equipment
• Backup power and energy storage systems

With its precision charging capabilities and compact footprint, the LTC1734LES6-4.2#TR is an excellent choice for designers seeking a reliable, space-efficient charging solution for single-cell lithium-ion batteries.