A80601KESJSR-1

Overview

The A80601KESJSR-1 is an LED lighting driver IC featuring a wide input voltage range and integrated boost/SEPIC controller with built-in LED drivers. It supports four output channels 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 offers a switching frequency adjustable from 260 kHz to 2.3 MHz. Output voltage regulation is maintained between 4.05 V and 4.45 V. Designed for automotive applications, it functions reliably across temperatures from -40°C to +125°C and is housed in a 24-pin QFN package.

Feature Summary

• Integrates boost and SEPIC topology controllers with dedicated LED driver outputs
• Supports both analog and PWM dimming control methods
• Includes wettable flank technology for enhanced solder joint inspection reliability

Applications

• Automotive exterior lighting systems
• LED backlighting modules
• High-power LED illumination circuits

Procurement Notes

Verify the specific suffix designation against official Allegro MicroSystems documentation to confirm exact electrical characteristics and pinout compatibility. Ensure that the ordering information matches the required package type and temperature rating. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and current production status before finalizing procurement decisions.

Selection Notes

Select this component when designing circuits requiring a wide input voltage range up to 40 V with integrated power stage capabilities. Consider the 210 mA output current limit and four-channel configuration for appropriate LED string sizing. Evaluate the adjustable switching frequency range to optimize external component selection for electromagnetic interference performance and efficiency targets within the specified operating temperature envelope.

Part Context

This part belongs to the A80601 series of high-power LED drivers manufactured by Allegro MicroSystems. The series is designed for automotive-grade applications requiring robust performance under varying thermal conditions. The device integrates control logic and power switches to simplify bill of materials and reduce board space requirements compared to discrete solutions.

Replacement Considerations

Consult official substitution guides for compatible alternatives such as the A80601KESJSR or other members of the A8060x family. Verify functional equivalence regarding output current, topology support, and package dimensions before implementing any cross-references.