LTC4089EDJC - High Efficiency Power Management IC

The LTC4089EDJC from Linear Technology is a versatile, high-efficiency power management integrated circuit designed for portable devices requiring multiple power outputs. This advanced IC integrates a standalone battery charger with a PowerPath controller, making it an ideal solution for modern electronics that demand efficient charging and power distribution.

Key Features:

• Integrated Charger: The LTC4089EDJC features an autonomous linear charger for single-cell lithium-ion batteries, providing a safe and efficient charging solution with programmable charge current up to 1.5A.
• PowerPath Control: Its PowerPath capability allows for instant-on operation of the system load from the external power source while the battery is being charged, ensuring seamless power delivery to the device.
• High Efficiency: The device boasts high efficiency with a low dropout voltage, which minimizes heat generation and improves overall system performance.
• Multiple Output Voltages: It offers multiple regulated output voltages that are suitable for various digital and analog subsystems within portable devices.
• Thermal Regulation: To protect the battery and circuitry, the LTC4089EDJC includes thermal regulation, which reduces charge current if the IC temperature rises to an unacceptable level.

Applications:

This power management IC is designed for a wide range of applications, including but not limited to:

• Smartphones and Tablets
• Portable Medical Devices
• Handheld Instruments
• USB Powered Gadgets
• Backup Battery Systems

Technical Specifications:

The LTC4089EDJC is packaged in a compact, 22-lead DFN (4mm x 3mm) package, making it suitable for space-constrained applications. It operates over a temperature range of -40°C to +85°C, ensuring reliability across diverse operating environments.

Conclusion:

Linear Technology's LTC4089EDJC is a comprehensive power management solution that simplifies the design of complex portable electronics. Its integration of battery charging and power distribution functionalities, coupled with its high efficiency and thermal management, makes it an excellent choice for designers looking to enhance the performance and battery life of their products.