MAX6972ATJ+

LED Driver IC Overview

The MAX6972ATJ+ is a 16-output PWM LED driver IC designed for message boards and general-purpose lighting. It operates on a DC input voltage range of 3V to 3.6V with a switching frequency of 33MHz. Each output channel provides a maximum current of 55mA. The device supports linear constant current PWM dimming and includes over-temperature protection and LED open-circuit protection. It functions within an operating temperature range of -40°C to 125°C (TA) and utilizes a 32 WFQFN exposed pad surface mount package.

LED Driver IC Feature Summary

• Provides 16 independent output channels for LED control
• Supports linear constant current PWM dimming
• Includes over-temperature and open-circuit protection

LED Driver IC Applications

• Message boards
• General-purpose lighting applications
• High brightness display systems

LED Driver IC Procurement Notes

Verify the exact part number suffix, specifically the '+' indicating lead-free status, against your Bill of Materials. Confirm the package type is 32 WFQFN with an exposed pad. Ensure the supplier provides valid traceability documentation for Analog Devices/Maxim Integrated components to guarantee authenticity and compliance with RoHS standards.

LED Driver IC Selection Notes

Select this component when a high channel count is required for uniform LED brightness control. The integrated PWM dimming simplifies MCU interface requirements by handling timing internally. Consider the thermal performance of the exposed pad package for heat dissipation in dense layouts. Verify that the 3V to 3.6V supply range matches the system power architecture.

LED Driver IC Part Context

This device belongs to the Maxim Integrated line of power management and LED drivers. It is engineered for reliable operation in commercial and industrial environments. The design emphasizes ease of use and robust protection features to maintain display integrity under varying load conditions.

LED Driver IC Replacement Considerations

Check for direct pin-compatible alternatives from the same manufacturer family. Verify that any substitute maintains the 16-channel configuration and 55mA output capability. Ensure the replacement supports the same 32 WFQFN package and electrical specifications.

LED Driver IC FAQ

What is the maximum output current per channel?

The maximum output current per channel is 55mA.

Does the device include protection features?

Yes, it includes over-temperature protection and LED open-circuit protection.