MAX16803ATE/V+T

LED Driver IC Overview

The MAX16803ATE/V+T is a high-voltage, linear LED driver IC designed for automotive and general lighting applications. It provides a constant output current of 350mA with integrated PWM dimming capability. The device operates from an input voltage range of 6.5V to 40V and supports a maximum output voltage of 39.5V. It features a built-in 5V regulator for auxiliary power. Packaged in a 16-TQFN (5x5mm) exposed pad, it is qualified to AEC-Q100 standards and functions within a junction temperature range of -40°C to +125°C.

LED Driver IC Feature Summary

• Integrates a 5V regulator for powering external components or sensors.
• Supports precise pulse-width modulation (PWM) dimming for brightness control.
• Designed for high-voltage linear regulation of high-brightness LEDs.
• Qualified for automotive environments under AEC-Q100 standards.

LED Driver IC Applications

• Automotive exterior lighting systems
• High-brightness LED signage
• Industrial LED illumination

LED Driver IC Procurement Notes

Verify the specific suffix 'V' indicates the inclusion of the internal 5V regulator, as this distinguishes it from variants without this feature. Confirm the package marking matches the 16-TQFN specification. Ensure the component meets AEC-Q100 requirements if used in automotive contexts. Cross-reference the manufacturer date code and lot number against the official datasheet revision history to ensure authenticity and compliance with RoHS directives.

LED Driver IC Selection Notes

Select this component when a single-channel, high-voltage linear solution is required for driving high-brightness LEDs. It is suitable for designs needing integrated auxiliary power via the 5V regulator. Consider thermal management due to linear operation at higher voltage differentials. Verify that the 350mA output current aligns with the target LED string configuration and that PWM dimming frequency requirements are met by the controller interface.

LED Driver IC Part Context

This part belongs to the MAX16803 family of LED drivers from Analog Devices/Maxim Integrated. It is functionally similar to the MAX16800 series but includes the additional 5V regulator feature indicated by the '/V' suffix. The family targets automotive and industrial lighting markets requiring robust, high-voltage linear regulation with precise current control and dimming capabilities.

LED Driver IC Replacement Considerations

The MAX16800ATE/V+T is a related variant within the same product family. Verify functional equivalence regarding the 5V regulator and pinout compatibility before substitution. Other linear LED drivers may require external regulators if they lack the integrated 5V supply feature found in this model.

LED Driver IC FAQ

What is the purpose of the '/V' suffix in the part number?

The '/V' suffix indicates that the device includes an integrated 5V linear regulator for providing auxiliary power to external circuits.

Is this component suitable for automotive applications?

Yes, the MAX16803ATE/V+T is qualified to AEC-Q100 standards and is designed for automotive-grade reliability.