MAX8647ETE+

LED Driver IC Overview

The MAX8647ETE+ is a six-channel LED driver IC designed for white and RGB LEDs, utilizing ultra-efficient charge pump topology. It operates within a supply voltage range of 2.7 V to 5.5 V, delivering up to 24 mA per channel with a fixed output voltage of 5 V. The device integrates an I²C serial interface for control and supports dimming capabilities. Operating at a switching frequency of 1 MHz, it ensures high efficiency in a compact 16-TQFN (3x3 mm) package. The component functions reliably across a temperature range of -40°C to +85°C.

LED Driver IC Feature Summary

• Integrates six independent charge pump outputs for driving multiple LED channels
• Features an I²C serial port for digital control and dimming
• Includes thermal shutdown, open-circuit, and short-circuit protection mechanisms

LED Driver IC Applications

• LED backlighting systems
• Camera flash lighting
• White LED illumination arrays

LED Driver IC Procurement Notes

Verify current availability status as the part may be discontinued or subject to limited supply constraints. Confirm RoHS compliance and REACH status through official manufacturer documentation before integration. Ensure the specific suffix matches design requirements, as variations exist within the family. Cross-reference datasheet revisions to validate pinout and electrical characteristics against existing designs.

LED Driver IC Selection Notes

Select this component when designing multi-channel LED drivers requiring precise current regulation via I²C control. The 16-TQFN package suits space-constrained applications. Verify that the input voltage range aligns with the system power supply. Consider the 1 MHz switching frequency for EMI management and external component sizing. Ensure thermal performance meets application requirements given the integrated protection features.

LED Driver IC Part Context

The MAX8647ETE+ belongs to the MAX8647 series of LED lighting drivers manufactured by Analog Devices Inc./Maxim Integrated. It is specifically engineered for applications requiring efficient power conversion for multiple LED strings. The device distinguishes itself from related models like the MAX8648 by its I²C interface, whereas other variants may utilize different control schemes.

LED Driver IC Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Evaluate alternatives based on channel count, current capability, and interface compatibility. Verify package dimensions and pin assignments if considering cross-manufacturer replacements.