STLUX385ATR

Power Management - Specialized Overview

The STLUX385ATR is a digital controller from the STMicroelectronics STLUX family, designed for lighting and power conversion applications. It features up to six programmable PWM generators (SMEDs) with 10 ns event detection and reaction times, and a maximum PWM resolution of 1.3 ns. The device integrates an advanced STM8 microcontroller core operating at a maximum frequency of 16 MHz, equipped with 32 Kbytes of Flash program memory and 1 Kbyte of EEPROM data memory. It supports DALI connectivity compliant with IEC standards and includes four analog comparators with configurable gain. The component is housed in a TSSOP-38 package.

Power Management - Specialized Feature Summary

• Integrates up to six State Machine Event Driven (SMED) PWM generators for flexible hardware control
• Features an embedded STM8 microcontroller core with Harvard architecture for advanced processing
• Supports DALI interface with configurable noise rejection and compliance with IEC 60929 and IEC 62386 standards
• Provides high-speed event detection and reaction capabilities with low latency for critical timing applications

Power Management - Specialized Applications

• Smart lighting systems
• Digital Power Supply (SMPS)
• Power Factor Correction (PFC) circuits
• High Intensity Discharge (HID) lamp ballasts

Power Management - Specialized Procurement Notes

Verify the specific suffix 'ATR' against the official manufacturer datasheet to confirm tape-and-reel packaging specifications and any distinct electrical characteristics compared to the standard tube version. Ensure compatibility with the intended PCB footprint and reflow soldering profile for the TSSOP-38 package. Cross-reference the ordering information with authorized distributors to validate current availability and authenticity.

Power Management - Specialized Selection Notes

Select this component when precise timing, fast fault reaction, and scalable control are required for lighting or power conversion designs. The integrated digital architecture reduces discrete component count and allows for flexible algorithm implementation via the SMED technology. Consider the available memory size and I/O options if complex control logic or extensive sensing channels are needed for the target application.

Power Management - Specialized Part Context

The STLUX385ATR belongs to the STLUX™ family of digital controllers tailored for lighting and power conversion. This family combines event-driven PWM generation, embedded intelligence, and flexible connectivity in a single-chip solution. The STLUX series is optimized for space-saving designs, offering multiple package options including TSSOP and VFQFPN to suit various board-space constraints while maintaining high performance.

Power Management - Specialized Replacement Considerations

The STLUX325A is a related part within the same STLUX family, sharing similar core architectures but potentially differing in pinout or feature sets. Verify functional equivalence and pin compatibility before substitution. No other direct substitute part numbers are confirmed in the provided documentation.