L6382D

Lighting, Ballast Controllers Overview

The L6382D is a Power Management Unit (PMU) and driver designed for microcontrolled electronic ballasts. It integrates four MOSFET driving stages for PFC, half-bridge, and preheating functions alongside a PMU with an internal reference to supply the microcontroller. Key electrical parameters include a switching frequency of 600 kHz, an input voltage range of -0.3 V to 7 V, and operation within a temperature range of -40°C to 125°C. The device is housed in a 20-pin SO package with surface mount mounting.

Lighting, Ballast Controllers Feature Summary

• Integrates four MOSFET driving stages for PFC, half-bridge, and auxiliary applications.
• Includes a fully integrated power management unit capable of supplying the microcontroller under all operating conditions.
• Features cross-conduction protection via interlocking and overcurrent protection with digital output signals.
• Provides high-voltage startup capabilities and an internal two-point VCC regulator.

Lighting, Ballast Controllers Applications

• Microcontrolled electronic ballasts
• LED drivers embedding a PFC stage
• LED drivers embedding a half-bridge stage

Lighting, Ballast Controllers Procurement Notes

Verify component status as availability may vary; some sources indicate active status while others suggest obsolescence or non-recommended new designs depending on specific suffixes. Confirm package type and tape/reel specifications against current distributor data sheets. Ensure compatibility with required microcontroller logic levels before integration into final lighting control systems.

Lighting, Ballast Controllers Selection Notes

Select this component when a single IC solution is required to reduce bill of materials and improve reliability in lighting applications. It is suitable for designs needing integrated gate driving for multiple MOSFETs combined with stable microcontroller power supply. Consider thermal performance and package constraints during PCB layout to ensure optimal heat dissipation and signal integrity.

Lighting, Ballast Controllers Part Context

The L6382D belongs to STMicroelectronics' family of lighting control ICs, specifically designed for fluorescent lamp ballasts and LED drivers. It complements other devices like the L6571 and L6574 by providing comprehensive power management and driving capabilities. This integration supports compact, efficient, and highly reliable control solutions for various ballast and half-bridge topologies.

Lighting, Ballast Controllers Replacement Considerations

L6382D5 is a related variant with similar functionality but may have different status or packaging options. Verify pinout compatibility and electrical specifications when substituting. Check for any changes in microcontroller voltage compatibility or driver current capabilities between variants.