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MAX1757EAI

MAX1757EAI Description

The MAX1757EAI from Analog Devices Inc./Maxim Integrated is a high-performance lithium-ion battery charger IC designed for 1 to 3-cell battery packs, supporting a maximum input voltage of 14V and delivering up to 1.5A of charge current. Packaged in a 28-pin SSOP tube, this surface-mount device integrates programmable timer functionality, ensuring precise charge termination for enhanced battery longevity. Although marked as obsolete, its robust design and compliance with EAR99 and REACH Unaffected standards make it a reliable choice for legacy systems. The IC operates within a 14V max supply range and is optimized for lithium-ion chemistries, featuring a Moisture Sensitivity Level (MSL) 1 rating for unrestricted handling.

MAX1757EAI Features

• Wide Input Range: Supports up to 14V input, ideal for automotive or industrial applications.
• Flexible Cell Configuration: Charges 1 to 3 series-connected Li-ion cells with adjustable parameters.
• Programmable Timer: Enables precise charge termination, reducing overcharge risk.
• High-Efficiency Charging: Delivers 1.5A max current for fast, efficient power delivery.
• Robust Compliance: Meets EAR99 and REACH standards, ensuring global usability.
• Surface-Mount Design: Compact 28-SSOP package for space-constrained PCB layouts.

MAX1757EAI Applications

• Portable Electronics: Power management in handheld devices like medical instruments or rugged tablets.
• Backup Power Systems: Reliable charging for UPS or emergency lighting with Li-ion batteries.
• Industrial Equipment: Suitable for embedded systems requiring stable, high-current charging.
• Legacy Automotive Systems: Ideal for older vehicle infotainment or telematics units with 12V rails.

Conclusion of MAX1757EAI

The MAX1757EAI stands out for its versatile input range, programmable timer, and high charge current, making it a robust solution for legacy Li-ion charging applications. While obsolete, its rugged design and compliance features ensure continued relevance in industrial, automotive, and portable electronics. Engineers seeking a proven, no-frills charger IC for 1-3 cell systems will find this device a dependable choice.