A80604KESJSR-1

Overview

The A80604KESJSR-1 is an LED lighting driver IC featuring a wide input voltage range boost/SEPIC controller with integrated LED drivers. It provides four outputs with a maximum output current of 210 mA per channel. The device operates within a supply voltage range of 4.5 V to 40 V and supports switching frequencies from 260 kHz to 2.3 MHz. It utilizes a 24-WFQFN package with exposed pad, rated for operation between -40°C and +125°C.

Feature Summary

• Supports Boost and SEPIC topologies for flexible LED string configurations
• Integrates analog and PWM dimming control capabilities
• Designed for automotive applications with AEC-Q100 qualification

Applications

• Automotive exterior lighting systems
• LED backlighting modules
• General LED illumination circuits

Procurement Notes

Verify the specific suffix against official Allegro MicroSystems documentation to confirm pinout and functional variations. Ensure compatibility with required thermal management solutions for the QFN-24 package. Confirm RoHS compliance status through the manufacturer's latest datasheet before integration into production designs.

Selection Notes

Select this component for designs requiring high input voltage tolerance up to 40 V. Consider the 210 mA output current limit when sizing external components. Evaluate the need for SEPIC versus Boost topology based on input voltage fluctuations relative to LED forward voltage requirements in the target application.

Part Context

This part belongs to the A80604 series of LED drivers from Allegro MicroSystems. It is designed specifically for high-power LED applications requiring robust performance in automotive environments. The series offers multiple channel options and integrates protection features suitable for demanding industrial and automotive use cases.

Replacement Considerations

Consult official cross-reference lists for verified substitutes. No direct public substitute part numbers are confirmed in the provided source material.