MAX8631XETI+

LED Driver IC Overview

The MAX8631XETI+ is an integrated LED driver IC manufactured by Analog Devices Inc./Maxim Integrated, housed in a 28-TQFN (4x4) package. It features eight regulated current outputs and two low-dropout regulators (LDOs). The device utilizes a switched capacitor charge pump topology with internal switches to drive white LEDs. It supports single-wire dimming and operates within a supply voltage range of 2.7V to 5.5V. Output currents are specified at 30mA for standard channels and 100mA for flash applications. The operating temperature range extends from -40°C to +85°C.

LED Driver IC Feature Summary

• Integrates eight regulated LED drivers and two LDOs in a compact surface-mount package
• Employs a switched capacitor charge pump topology with internal switching elements
• Supports single-wire dimming control for simplified interface requirements

LED Driver IC Applications

• Camera flash illumination systems
• Display backlighting for mobile devices
• General LED lighting circuits requiring regulated current sources

LED Driver IC Procurement Notes

Verify component authenticity through authorized distribution channels due to the discontinued status of this part number. Confirm that the specific suffix matches the required electrical characteristics and packaging type. Review the latest datasheet revision history for any functional updates or pin compatibility changes relative to previous manufacturing batches.

LED Driver IC Selection Notes

Select this component when designing systems requiring multiple regulated LED channels with integrated charge pump functionality. Ensure the input voltage range aligns with the system power supply constraints. Consider the thermal performance of the exposed pad design for adequate heat dissipation in high-density layouts.

LED Driver IC Part Context

This device belongs to the MAX8631 family of LED drivers designed for portable electronics. It replaces discrete solutions by combining regulation, pumping, and control functions into a single chip. The family includes variants such as the MAX8631YETI+, which shares similar architectural features but may differ in specific output configurations or firmware options.

LED Driver IC Replacement Considerations

Public confirmed substitute part numbers include MAX8631YETI+. Verify pin-to-pin compatibility and electrical parameter alignment before implementation.

LED Driver IC FAQ

What is the maximum output voltage capability of the MAX8631XETI+?

The maximum output voltage is specified as 5V.

Does the MAX8631XETI+ include internal switching elements?

Yes, the device contains internal switches as part of its switched capacitor charge pump topology.