MAX20052BATC+

LED Driver IC Overview

The MAX20052BATC+ is an automotive-grade, dual synchronous step-down DC-DC converter designed for LED lighting applications. It integrates two high-efficiency 2A buck converters with internal MOSFETs, featuring a wide input voltage range of 4.5V to 65V. The device supports switching frequencies of 400kHz and 2.1MHz, enabling compact passive component selection. It offers PWM dimming capability and operates within a temperature range of -40°C to +125°C. Packaged in a 12-pin TDFN, it meets AEC-Q100 standards for automotive reliability.

LED Driver IC Feature Summary

• Dual integrated 2A synchronous buck converters with low on-resistance internal MOSFETs
• Wide input voltage range supporting 4.5V to 65V supply rails
• Configurable switching frequencies at 400kHz or 2.1MHz for optimized design flexibility
• Supports pulse-width modulation (PWM) dimming for precise light control

LED Driver IC Applications

• Commercial and industrial LED lighting systems
• Automotive exterior and interior illumination modules
• High-voltage LED string drivers
• General-purpose high-efficiency DC-DC conversion in harsh environments

LED Driver IC Procurement Notes

Verify the specific suffix 'C' indicates the commercial temperature grade variant within the automotive-qualified family. Confirm package marking and date code alignment with project requirements. Ensure ESD handling protocols are followed due to the exposed pad thermal package. Cross-reference pinout compatibility if replacing legacy components from other manufacturers.

LED Driver IC Selection Notes

Select this component when designing high-current LED drivers requiring wide input voltage tolerance up to 65V. The dual-channel architecture allows independent control for complex lighting topologies. Choose between 400kHz and 2.1MHz frequencies based on inductor size constraints and electromagnetic interference (EMI) requirements. Ensure thermal management strategies account for the TDFN package's heat dissipation characteristics under full load conditions.

LED Driver IC Part Context

Part of the Maxim Integrated MAX20052 series, which focuses on high-efficiency, high-current LED driving solutions. This series is engineered for robust performance in demanding automotive and industrial sectors. The integration of power switches reduces external component count and board space compared to discrete solutions.

LED Driver IC Replacement Considerations

Direct substitutes include other dual synchronous buck LED drivers from Analog Devices/Maxim with similar current ratings and input ranges. Verify functional equivalence regarding switching frequency options and dimming interface compatibility before substitution.