ALED6001TR

Overview

The ALED6001TR is a single-channel automotive-grade LED driver IC from STMicroelectronics, designed for high-brightness LED strings. It integrates a boost controller and high-side current sensing circuitry, supporting Boost, Buck-Boost, and SEPIC topologies. The device operates within an input voltage range of 5.5 V to 36 V and features a switching frequency adjustable between 100 kHz and 1 MHz. It offers PWM and analog dimming capabilities with ±4% output current reference accuracy. Packaged in a 16-HTSSOP, it holds AEC-Q100 certification and functions across a temperature range of -40°C to +150°C TJ.

Feature Summary

• Integrates a high-performance boost controller with adaptive output voltage regulation to optimize efficiency across various LED string configurations.
• Provides precise constant current control via high-side sensing with ±4% accuracy over the full operating temperature range.
• Supports flexible dimming through dedicated pins for external MOSFET PWM control and analog voltage modulation.
• Includes comprehensive protection mechanisms such as thermal shutdown, output overvoltage detection, and short-circuit monitoring.

Applications

• Automotive daytime running lights (DRL) and front headlamps
• Interior and exterior automotive lighting systems
• Off-grid street lighting and advertisement panels
• Signage and gaming display backlighting

Procurement Notes

Verify the specific package variant, as the base part number may correspond to different tape-and-reel quantities or suffixes. Confirm that the required topology matches the integrated boost controller capabilities. Ensure the design accounts for the 16-pin HTSSOP thermal requirements. Check for any recent product change notices regarding pinout or electrical specifications before finalizing the bill of materials.

Selection Notes

Select this component when driving single-string LED arrays requiring high efficiency and precise current regulation. It is suitable for applications where input voltage varies significantly, such as automotive battery rails. Consider the adjustable switching frequency to minimize electromagnetic interference in noise-sensitive environments. Evaluate the need for external synchronization if multiple units operate in close proximity.

Part Context

The ALED6001 belongs to STMicroelectronics' portfolio of automotive-compliant power management solutions. It is often evaluated using boards like the STEVAL-ILL072V1 for boost topology or STEVAL-ILL049V1 for SEPIC configurations. The device complements microcontrollers like the STM32 series for intelligent lighting control systems.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing PCB footprints and control logic if considering alternative drivers from other manufacturers.

FAQ

What topologies does the ALED6001 support?

The device supports Boost, Buck-Boost, and SEPIC topologies, allowing flexibility in driving LEDs connected to positive or negative supply rails.

How is LED brightness controlled?

Brightness is controlled via PWM dimming using an external MOSFET driven by a dedicated pin, or through analog dimming using a control voltage.

What is the maximum output voltage capability?

The integrated boost converter can regulate the output voltage up to 60 V, enabling the drive of up to 16 white LEDs in series.