ILD8150EXUMA1

Overview

The ILD8150EXUMA1 is a single-channel DC/DC buck LED driver IC from Infineon Technologies, designed for high-power LEDs. It features an integrated 80 V high-side MOSFET with 120 mΩ on-resistance and delivers up to 1.5 A output current. The device operates within an input voltage range of 8 V to 80 V and supports a switching frequency of 2 MHz. It utilizes hysteretic current regulation and offers adjustable output voltage. The component functions across a temperature range of -40 °C to +150 °C and includes soft start functionality. It is housed in a DSO-8 surface-mount package.

Feature Summary

• Hybrid dimming technology enabling target current down to 0.5% for high dimming requirements
• Integrated 80 V high-side MOSFET with low on-resistance for efficient power conversion
• Hysteretic current regulation topology for stable constant current drive
• Soft start feature to manage inrush currents during initialization

Applications

• General LED lighting applications requiring high dimming ratios
• Professional LED lighting systems operating near safe extra-low voltage limits
• Tunable white LED drivers using reference designs such as REF-TW-ILD8150E-60V-1A

Procurement Notes

Verify the specific suffix EXUMA1 against the official Infineon datasheet to confirm the reel packaging format and tape width specifications. Ensure the ordering part number matches the exact device variant required for the intended thermal and electrical performance. Cross-reference the manufacturer's latest documentation to confirm compliance with RoHS directives and any recent design changes or obsolescence notices before finalizing procurement.

Selection Notes

Select this component for applications requiring a wide input voltage range up to 80 V and high efficiency via a 2 MHz switching frequency. The integrated MOSFET simplifies the bill of materials by reducing external component count. Consider the DSO-8 package constraints for thermal management when designing for maximum output currents. Verify that the hybrid dimming capability aligns with the specific dimming control interface requirements of the host system.

Part Context

The ILD8150EXUMA1 belongs to the ILD8150 series of LED lighting driver ICs. This series is engineered for general and professional lighting applications where high dimming performance is critical. The device integrates power switching elements to support compact designs. It serves as a solution for driving high-power LEDs in buck converter configurations, offering a balance between performance and integration level for automotive and industrial lighting sectors.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult Infineon Technologies directly for qualified alternatives or pin-compatible replacements.