LTC4121IUD#PBF

Battery Chargers Overview

The LTC4121IUD#PBF is a synchronous step-down battery charger from Analog Devices, designed for lead-acid batteries. It operates with an input voltage range up to 35V and delivers a maximum output current of 3.2A. The device integrates PowerPath management for seamless transition between input sources and battery power. It features I2C telemetry for monitoring system parameters. Packaged in a 16-lead QFN (3mm x 3mm) surface-mount package, it supports adjustable charging profiles suitable for various lead-acid chemistries.

Battery Chargers Feature Summary

• Integrates synchronous buck converter topology for high-efficiency charging
• Includes PowerPath management to prioritize system load over battery charging
• Provides digital monitoring and control via I2C interface
• Supports configurable charging algorithms for lead-acid battery types

Battery Chargers Applications

• Lead-acid battery charging in industrial equipment
• Uninterruptible power supply (UPS) systems
• Telecommunications backup power modules
• Automotive electronics with 12V or 24V architectures

Battery Chargers Procurement Notes

Verify the specific suffix and package type against the manufacturer's latest datasheet to ensure compatibility with your design requirements. Confirm availability status through authorized distributors as supply levels may fluctuate. Ensure that the ordering information matches the exact electrical specifications required for your application.

Battery Chargers Selection Notes

Select this component when designing systems requiring efficient charging of lead-acid batteries with integrated power path management. The I2C interface allows for precise configuration and monitoring, making it suitable for smart power applications. Consider the 35V input range and 3.2A output capability when sizing external components and thermal management solutions.

Battery Chargers Part Context

This part belongs to the LTC4121 family of battery chargers from Analog Devices. It is specifically optimized for lead-acid batteries, distinguishing it from lithium-ion variants within the broader portfolio. The device combines power conversion and battery management functions into a single compact solution, reducing board space and component count compared to discrete designs.

Battery Chargers Replacement Considerations

Consult the official Analog Devices substitution guide for verified alternatives. Cross-reference pinouts and electrical characteristics carefully before replacing.