MAX8901BETA+TCH8

LED Driver IC Overview

The MAX8901BETA+TCH8 is a high-efficiency LED lighting driver IC designed for driving two to six series white LEDs. It operates within an input voltage range of 2.6 V to 5.5 V and features a maximum supply current of 185 µA. The device dissipates up to 953 mW of power and provides one output channel. It is housed in a compact 2 mm x 2 mm TDFN package with an exposed pad.

LED Driver IC Feature Summary

• Provides highest efficiency power supply for series WLED configurations
• Supports single-wire dimming control interface
• Integrates DC-DC step-up regulator functionality

LED Driver IC Applications

• White LED backlighting systems
• Space-constrained wearable devices
• Mobile handheld electronics

LED Driver IC Procurement Notes

Verify component authenticity through authorized Analog Devices channels, as the part is listed as obsolete. Confirm that the specific suffix +TCH8 matches required packaging and tape specifications. Request original manufacturer documentation to validate lot traceability and RoHS compliance status before finalizing any acquisition or integration plans.

LED Driver IC Selection Notes

Select this component when designing circuits requiring efficient drive for multiple series-connected white LEDs in limited board space. Ensure the application input voltage aligns with the 2.6 V to 5.5 V operational range. Consider the thermal constraints associated with the 953 mW power dissipation rating within the small TDFN footprint during layout planning.

LED Driver IC Part Context

This device belongs to the MAX8901B family of LED drivers from Maxim Integrated. It shares functional similarities with variants like the MAX8901AETA+TGA8 but differs in specific electrical characteristics and packaging options. The product line focuses on providing integrated solutions for portable display backlighting applications.

LED Driver IC Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data. As the component is marked as obsolete, engineers must consult official distributor archives or contact Analog Devices directly for qualified replacement recommendations.