MAX1573EBE

LED Driver IC Overview

The MAX1573EBE is a white LED driver IC featuring an adaptive 1x/1.5x charge pump topology designed for single-cell lithium-ion battery applications. It integrates internal switches to drive up to four white LEDs with constant current regulation, ensuring uniform brightness. The device operates within a supply voltage range of 2.7V to 5.5V and utilizes a proprietary low-dropout current regulator. Packaged in a 16-UCSP (2.02mm x 2mm) format, it supports efficient power management for portable electronics requiring compact form factors.

LED Driver IC Feature Summary

• Adaptive 1x/1.5x charge pump mode optimizes efficiency across varying input voltages
• Internal integrated switches eliminate external inductor requirements
• Constant current regulation ensures uniform LED brightness for multiple channels

LED Driver IC Applications

• Portable electronic devices powered by single-cell lithium-ion batteries
• Display backlighting systems requiring compact LED drivers
• White LED illumination circuits in mobile handsets

LED Driver IC Procurement Notes

Verify component authenticity through authorized distribution channels due to potential availability constraints. Confirm package integrity upon receipt, as the UCSP format requires careful handling. Cross-reference datasheet revisions to ensure compatibility with existing design specifications. Validate electrical parameters against original manufacturer documentation before integration into final assemblies.

LED Driver IC Selection Notes

Select this component when designing circuits for single-cell lithium-ion battery operation requiring high efficiency. The integrated switch architecture reduces bill of materials count compared to solutions needing external inductors. Consider the 16-UCSP package size for strict space limitations in handheld devices. Ensure thermal management aligns with the specific power dissipation characteristics of the target application environment.

LED Driver IC Part Context

This part belongs to the Analog Devices Maxim Integrated portfolio of power management integrated circuits. It serves as a specialized solution for LED driving within the broader category of DC-DC regulators. The product line focuses on enabling extended battery life in portable consumer electronics through optimized charge pump technologies and compact packaging solutions.

LED Driver IC Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.