MCP1664T-E/MNYVAO

LED Driver IC Overview

The MCP1664T-E/MNYVAO is a high-voltage step-up LED driver with UVLO and open load protection. It operates from an input voltage range of 2.4 V to 5.5 V, delivering up to 300 mA output current. The device features a fixed switching frequency of 500 kHz and supports PWM dimming. It is housed in an 8-pin TDFN package and is qualified under AEC-Q100 standards for automotive applications.

LED Driver IC Feature Summary

• Integrated non-synchronous boost converter optimized for multi-string LED driving
• Built-in open load protection and undervoltage lockout mechanisms
• Supports PWM dimming control for precise brightness adjustment
• Automotive-grade qualification ensuring reliability in harsh environments

LED Driver IC Applications

• LED backlighting systems
• Camera flash drivers
• Battery-powered portable devices
• Automotive lighting modules

LED Driver IC Procurement Notes

Verify the specific suffix 'VAO' indicates automotive grade qualification and RoHS compliance as per Microchip documentation. Confirm the package type is TDFN-8 and check for AEC-Q100 certification status before integration. Ensure supply chain sources provide official datasheets matching this exact part number to avoid counterfeit components.

LED Driver IC Selection Notes

Select this component when designing compact, space-efficient LED drivers powered by single-cell lithium or multi-cell alkaline batteries. It is suitable for applications requiring fixed-frequency boost conversion without external synchronization. Consider its 300 mA current limit and 32V maximum output capability when sizing the LED string.

LED Driver IC Part Context

This part belongs to the MCP1664 series of high-current step-up LED drivers. It shares functional similarities with other models in the family but is distinguished by its specific automotive qualification (VAO suffix) and packaging configuration. The series is designed for efficient power management in portable and automotive electronics.

LED Driver IC Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify compatibility with existing designs by comparing electrical parameters such as input voltage range, output current, and package dimensions against alternative components.