Product Overview: DC2174A-A - Energy Harvesting (EH) Multi-Chemistry Charger

The DC2174A-A from Analog Devices Inc. is a versatile energy harvesting solution designed to extend battery life in a wide range of applications. This innovative product is an evaluation board that showcases the LTC3331, an integrated energy harvesting and power management unit capable of being powered by multiple sources.

Key Features:

• Multi-Chemistry Charging: The LTC3331 at the heart of the DC2174A-A supports various battery chemistries, providing flexibility for different application requirements.
• Energy Harvesting: With the ability to harvest energy from piezoelectric, solar, or thermal sources, the DC2174A-A can utilize ambient energy to charge a connected battery or supercapacitor.
• Integrated Power Management: The board includes power management features that optimize energy usage and maintain continuous operation even in environments with variable energy availability.
• Backup Power: An auxiliary power input allows the LTC3331 to operate from an external power supply, ensuring consistent performance when harvestable energy is insufficient.

Applications:

The DC2174A-A is suitable for a wide range of low-power applications where energy harvesting is beneficial, including:

• Wireless sensor nodes
• Remote monitoring systems
• Portable and wearable devices
• Environmental monitoring equipment

Technical Specifications:

The DC2174A-A evaluation board is equipped with the following technical specifications:

• Energy harvesting input voltage range: 2.7V to 20V
• Integrated low-loss full-wave bridge rectifier
• Selectable charging profiles for different battery chemistries
• Maximum charge current: 50mA
• Quiescent current under no load: 950nA

With the DC2174A-A, designers can rapidly prototype and test energy harvesting systems, making it an invaluable tool for developing sustainable, energy-efficient products. The board's flexible design and comprehensive feature set make it an ideal choice for innovators looking to harness the power of ambient energy sources.