Introducing the LTC3128EFE from Analog Devices Inc.

The LTC3128EFE is a high-efficiency, 3A buck-boost supercapacitor charger and balancer with a wide input and output range. Designed by Analog Devices Inc., a leader in the semiconductor industry, this advanced power management IC is ideal for applications that require a versatile power solution with automatic cell balancing for supercapacitors.

Key Features

• Wide Input Voltage Range: The LTC3128EFE operates over a broad input voltage range of 2.42V to 5.5V, making it suitable for a variety of power sources including single-cell Li-Ion batteries, multi-cell alkaline or NiMH batteries, and energy harvesting sources.
• Adjustable Output Voltage: Its output can be adjusted up to 5.25V, allowing for flexibility in charging and maintaining one or two supercapacitor cells in series.
• Programmable Charge Current: The device offers programmable average input current or charge current with ±2% accuracy, ensuring precise control over the charging process.
• Integrated Cell Balancing: With its built-in automatic cell balancing, the LTC3128EFE ensures that supercapacitor cells are charged evenly, thus maximizing their lifespan and performance.
• High Efficiency: The buck-boost topology of the LTC3128EFE provides a high efficiency over a wide range of load currents, making it an energy-smart choice for portable and battery-powered applications.
• Thermal Protection: To ensure reliable operation, the device includes thermal protection features that prevent overheating during high power operation or adverse environmental conditions.

Applications

The LTC3128EFE is versatile and can be used in a range of applications, including:

• Energy Harvesting Systems
• Backup Power Systems
• Handheld Devices
• Wireless Sensors
• Portable Medical Devices

Robust Packaging

Enclosed in a compact 20-lead TSSOP package with an exposed pad for improved thermal performance, the LTC3128EFE is designed to fit into space-constrained applications while providing robust power management.

With its advanced features and reliable performance, the LTC3128EFE from Analog Devices Inc. is an excellent choice for designers looking to incorporate efficient power management and supercapacitor charging capabilities into their next project.