Analog Devices Inc.

LTC4095EDC

LTC4095EDC Description

The LTC4095EDC from Analog Devices Inc. is a high-efficiency single-cell Lithium-Ion/Polymer battery charger IC designed for compact, USB-powered applications. Packaged in an 8-pin DFN surface-mount form factor, it supports a 4.2V battery pack voltage with a maximum charge current of 950mA, making it suitable for portable electronics requiring fast, reliable charging. Its input voltage range extends up to 5.5V, ensuring compatibility with standard USB power sources. Though marked as obsolete, its design remains relevant for legacy systems or specific low-power applications where space and efficiency are critical.

LTC4095EDC Features

• Single-Cell Charging: Optimized for 1-cell Li-Ion/Polymer batteries with precise 4.2V termination.
• USB Compatibility: Integrated USB interface simplifies power management in USB-powered devices.
• High Charge Current: Delivers up to 950mA, enabling rapid charging for small batteries.
• Compact Design: 8-DFN package (surface-mount) saves board space in space-constrained applications.
• Robust Protection: Includes built-in safeguards for overvoltage, overcurrent, and thermal management.
• Low Sensitivity: MSL 1 (Unlimited) rating ensures ease of handling during assembly.

LTC4095EDC Applications

• Portable Electronics: Ideal for smartwatches, Bluetooth earbuds, and other compact USB-charged devices.
• IoT Edge Devices: Powers sensors and wearables with limited battery capacity.
• Backup Power Systems: Suitable for small-scale energy storage in embedded systems.
• Legacy Designs: Useful for maintaining or upgrading older products requiring a proven charging solution.

Conclusion of LTC4095EDC

The LTC4095EDC offers a balance of compact size, efficient charging, and USB integration, making it a practical choice for low-power, single-cell Li-Ion/Polymer applications. While obsolete, its reliability and space-saving design ensure continued utility in niche markets. Engineers seeking a no-frills, high-performance charger for legacy or miniaturized systems may find this IC advantageous despite its discontinued status.