MAQ3203YM-VAO

LED Driver IC Overview

The MAQ3203YM-VAO is a hysteretic, step-down, constant current High-Brightness LED driver controller manufactured by Microchip Technology. It operates in an 8-pin SOIC package and is qualified to AEC-Q100 standards for automotive applications. The device supports configurable output currents ranging from 20mA to 150mA via external resistors. It features high-side current sensing and PWM dimming capabilities. The maximum supply current is specified at 3 mA.

LED Driver IC Feature Summary

• Hysteretic step-down constant current control architecture
• High-side current sensing capability
• Configurable output current without microcontroller intervention
• AEC-Q100 automotive qualification

LED Driver IC Applications

• Interior automotive lighting systems
• Exterior automotive lighting systems
• High-brightness LED driver circuits

LED Driver IC Procurement Notes

Verify the specific suffix 'VAO' against the manufacturer's latest documentation to confirm packaging and tape-and-reel specifications. Ensure the component meets the required AEC-Q100 grade for your target application. Cross-reference the datasheet revision history to account for any recent product change notifications affecting pinout or electrical characteristics.

LED Driver IC Selection Notes

Select this component when a hysteretic control method is preferred for fast transient response in LED driving applications. The integrated high-side sense simplifies PCB layout by eliminating the need for low-side shunt resistors. Consider the external resistor configuration requirements for setting the desired current range between 20mA and 150mA during the design phase.

LED Driver IC Part Context

This part belongs to the MAQ3203 family of high-brightness LED driver controllers. It is derived from Micrel Semiconductor technology acquired by Microchip Technology. The YM variant indicates the specific temperature grade and package type within the broader product line designed for robust LED illumination control.

LED Driver IC Replacement Considerations

Consult official substitution lists for direct replacements. Generic equivalents may not match the hysteretic control behavior or high-side sensing architecture. Verify compatibility with existing thermal management and PCB footprint constraints before switching components.