MAX8790AETP+

LED Driver IC Overview

The MAX8790AETP+ is a six-string white LED driver IC manufactured by Analog Devices Inc./Maxim Integrated. It functions as a DC-DC controller designed for high-efficiency lighting applications. The device operates with a supply voltage range of 4.5V to 26V and supports an operating frequency of 1MHz. It features six independent outputs to drive multiple LED strings simultaneously. The component is housed in a 20-TQFN (4x4) surface-mount package with an exposed pad for thermal management. It is rated for an operating temperature range of -40°C to 85°C.

LED Driver IC Feature Summary

• Supports six independent output channels for driving multiple white LED strings
• Integrates DC-DC controller functionality for efficient power conversion
• Features active control mechanisms for stable LED operation

LED Driver IC Applications

• White LED lighting systems requiring multi-string configurations
• General illumination applications utilizing DC-DC conversion
• Portable or battery-powered lighting devices

LED Driver IC Procurement Notes

Verify the specific suffix 'A' against the official datasheet to confirm feature variations, as ordering suffixes may indicate specific revisions or environmental compliance levels. Confirm the 20-TQFN package dimensions match the PCB footprint requirements. Ensure the 4.5V to 26V input range aligns with the system power supply design. Check for RoHS3 compliance status if required by regional regulations.

LED Driver IC Selection Notes

Select this component when a single-chip solution for driving up to six LED strings is required. It is suitable for designs needing a wide input voltage range up to 26V. Consider the 20-TQFN package size for space-constrained layouts. Evaluate the 1MHz switching frequency for trade-offs between component size and electromagnetic interference. Verify thermal performance within the -40°C to 85°C operating range.

LED Driver IC Part Context

The MAX8790 series belongs to Maxim Integrated's portfolio of LED lighting drivers. These components are designed to replace discrete solutions, reducing board space and complexity. The MAX8790AETP+ specifically targets applications requiring multiple LED strings driven from a single controller. It integrates necessary power stage controls to streamline the design process for white LED implementations.

LED Driver IC Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer's website for current lifecycle status and recommended alternatives.