L6585D

Lighting, Ballast Controllers Overview

The L6585D is a combo IC for Power Factor Correction (PFC) and ballast control, manufactured by STMicroelectronics. It integrates a transition mode PFC controller and a half-bridge driver in a 20-SO package. The device operates within a frequency range of 58.4kHz to 62kHz with a supply voltage of 11V to 16V. It features an oscillator precision of 3% and a programmable dead time of 1.2 μs. The component supports universal input voltage operations and includes protections such as over-current, over-voltage, and choke saturation detection.

Lighting, Ballast Controllers Feature Summary

• Integrates transition mode PFC controller and half-bridge driver for combined power factor correction and ballast control
• Includes independent preheating and ignition phases with fast ignition voltage control
• Features smart hard switching detection and end-of-life protection compliant with ballast configurations
• Provides THD optimization and cross-conduction protection for reliable operation

Lighting, Ballast Controllers Applications

• LED switched-mode power supplies
• Electronic ballasts for lighting applications
• Universal input voltage power factor correction circuits

Lighting, Ballast Controllers Procurement Notes

Verify the obsolete status and availability through authorized distributors. Confirm package integrity and RoHS compliance upon receipt. Check for alternative components if long-term supply is required. Ensure proper handling for surface-mount installation. Validate electrical parameters against datasheet specifications before integration.

Lighting, Ballast Controllers Selection Notes

Choose this component for designs requiring integrated PFC and half-bridge control in a single package. It is suitable for applications needing high efficiency and low harmonic distortion. Consider the 20-SO package size and operating temperature range. Evaluate the need for specific protection features like choke saturation detection. Assess compatibility with microcontroller-based systems if additional control is needed.

Lighting, Ballast Controllers Part Context

The L6585D belongs to STMicroelectronics' family of power management ICs designed for lighting applications. It serves as a cost-effective solution for energy-saving LED drivers and electronic ballasts. The device simplifies design by combining multiple functions into one chip, reducing bill of materials and improving reliability compared to discrete solutions.

Lighting, Ballast Controllers Replacement Considerations

The L6585DE is a documented variant within the same product family. Verify pinout and feature compatibility before substitution. Check for differences in packaging or operational parameters. Consult official documentation for any functional distinctions between the D and DE suffixes.