MAX20446ATG/VY+T

LED Driver IC Overview

The MAX20446ATG/VY+T is a six-channel automotive backlight driver with an integrated boost controller, designed for high-brightness LED applications. It operates within an input voltage range of 4.5 V to 40 V and supports switching frequencies from 400 kHz to 2.2 MHz. The device features six current outputs capable of sinking up to 130 mA per channel, with a maximum output voltage of 52 V. It utilizes a TQFN-CU-24 package and is qualified under AEC-Q100 standards for operation between -40°C and +125°C.

LED Driver IC Feature Summary

• Integrates six independent constant-current LED channels with a boost/SEPIC controller
• Supports analog, PWM, and I2C serial dimming control methods
• AEC-Q100 qualified for reliable automotive display environments

LED Driver IC Applications

• Automotive display backlighting systems
• High-brightness LED lighting drivers
• Multi-channel LED arrays in vehicle instrumentation

LED Driver IC Procurement Notes

Verify the specific suffix (VY vs VG) against the official datasheet to ensure correct packaging and tape-and-reel specifications. Confirm AEC-Q100 qualification status and operating temperature range requirements match your design constraints. Check for active status and availability through authorized Analog Devices distributors.

LED Driver IC Selection Notes

Select this component when designing automotive displays requiring six independent LED channels with integrated power management. Ensure the input voltage range of 4.5 V to 40 V aligns with the vehicle's electrical system. Consider the TQFN-24 package size for PCB layout constraints and verify thermal performance at the target ambient temperatures.

LED Driver IC Part Context

This part belongs to the MAX20446 series of LED lighting drivers manufactured by Analog Devices Inc./Maxim Integrated. It is specifically engineered for automotive applications, offering a compact solution for driving multiple high-brightness LEDs in display backlights. The series integrates power stage components to reduce external bill of materials.

LED Driver IC Replacement Considerations

Consult the official Analog Devices cross-reference guide for verified substitutes. Ensure any replacement maintains the six-channel configuration, AEC-Q100 qualification, and compatible pinout or software interface if direct pin-to-pin substitution is required.