MAX8645YETI+

LED Driver IC Overview

The MAX8645YETI+ is an LED lighting driver IC from the MAX8645X series, manufactured by Analog Devices Inc./Maxim Integrated. It utilizes a switched capacitor charge pump topology to drive up to eight white LEDs with regulated constant current for uniform intensity. The device operates within an input voltage range of 2.7 V to 5.5 V and supports single-wire dimming control. It features configurable output currents of 30 mA and 200 mA (flash) and is housed in a 28-TQFN package.

LED Driver IC Feature Summary

• Integrates a charge pump to drive multiple white LEDs with regulated constant current
• Supports single-wire dimming control interface
• Configurable output current settings for standard and flash modes

LED Driver IC Applications

• White LED backlighting systems
• Camera flash applications requiring high current pulses
• Portable electronic devices utilizing multi-LED arrays

LED Driver IC Procurement Notes

Verify component authenticity through authorized distributors or manufacturer channels. Confirm RoHS compliance status and lead-free specifications prior to integration. Ensure supply chain stability as availability may vary. Validate package markings against official datasheet documentation to prevent counterfeit substitution during procurement processes.

LED Driver IC Selection Notes

Select this component when driving multiple white LEDs requires a compact solution with integrated charge pump regulation. Consider the 28-TQFN package constraints and thermal dissipation requirements. Evaluate the single-wire dimming capability against system control architecture needs. Verify input voltage compatibility with the 2.7 V to 5.5 V operating range.

LED Driver IC Part Context

This part belongs to the MAX8645X family of LED drivers designed for portable applications. It shares functional similarities with other Maxim Integrated LED controllers but is distinct in its specific charge pump configuration and single-wire dimming support. The Y suffix typically denotes specific manufacturing or revision details within the product line.

LED Driver IC Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult Analog Devices technical support for qualified alternatives if this component is discontinued or unavailable.

LED Driver IC FAQ

What type of regulator topology does the MAX8645YETI+ use?

It uses a switched capacitor (charge pump) topology.

How many white LEDs can this driver support?

It can drive up to eight white LEDs with regulated constant current.

What is the maximum input voltage for operation?

The maximum input voltage is 5.5 V.