The LTC3128IUFD#TRPBF is a high-efficiency, 3MHz, buck-boost supercapacitor charger from Analog Devices, designed to extend the life and efficiency of supercapacitors. This versatile component is ideal for applications that require a seamless transition between multiple power sources and energy storage elements, ensuring a constant output regardless of varying input conditions. The device is housed in a compact QFN package, making it a perfect fit for space-constrained applications.

Key Features

• Wide Input Voltage Range: The LTC3128 operates efficiently with an input voltage range from 2.4V to 5.5V, accommodating a variety of power sources.
• Programmable Charge Current: Users can set the charge current up to 2A via a single resistor, providing flexibility for different supercapacitor sizes and configurations.
• Automatic Cell Balancing: The device includes an internal balancer that ensures long-term reliability and performance of the supercapacitor stack by preventing overvoltage on any individual cell.
• High Efficiency: With its 3MHz fixed-frequency operation and low-loss switching architecture, the LTC3128 achieves high efficiency across a wide range of load currents.
• Thermal Protection: The integrated thermal shutdown feature protects the device under high-temperature conditions, ensuring safe operation and longevity.
• PowerPath™ Control: This feature provides seamless transition between input power and supercapacitor energy, minimizing downtime in critical applications.

Applications

The LTC3128IUFD#TRPBF is suitable for a wide range of applications, including:

• Backup power systems
• Energy harvesting
• Uninterruptible power supplies (UPS)
• Portable and wearable electronics

With its robust feature set and compact design, the LTC3128IUFD#TRPBF from Analog Devices Inc. is an excellent choice for designers looking to enhance the performance and reliability of their power management systems.