L6382DTR

Lighting, Ballast Controllers Overview

The L6382DTR is a microcontrolled ballast power management unit designed for LED drivers integrating PFC and half-bridge stages. It features four MOSFET driving stages, a PMU with an internal two-point VCC regulator, and cross-conduction protection. The device operates within a temperature range of -40°C to 125°C, supports a switching frequency of 600 kHz, and handles input voltages from -0.3V to 7V. Packaged in a 20-pin SOP with gull-wing leads, it measures 13mm in length, 7.6mm in width, and 2.35mm in height.

Lighting, Ballast Controllers Feature Summary

• Integrates four dedicated driver stages for PFC, half-bridge, and auxiliary MOSFETs alongside a comprehensive power management unit.
• Includes an internal two-point VCC regulator capable of supplying the microcontroller under all operating conditions.
• Provides integrated high-voltage startup, undervoltage lockout, and overcurrent protection with digital output signaling.
• Features cross-conduction protection via interlocking mechanisms and an integrated bootstrap diode.

Lighting, Ballast Controllers Applications

• Microcontrolled electronic ballasts
• LED drivers embedding PFC stages
• LED drivers embedding half-bridge stages

Lighting, Ballast Controllers Procurement Notes

Verify component authenticity through official STMicroelectronics channels or authorized distributors. Confirm package type and pin count match specifications. Check for RoHS compliance status and SVHC declarations. Ensure storage conditions meet manufacturer guidelines to maintain reliability. Validate ordering information against current datasheets before procurement.

Lighting, Ballast Controllers Selection Notes

Select this component for applications requiring integrated power management and gate driving for microcontrolled ballasts. Consider its compatibility with 3.3V microcontrollers and suitability for high-efficiency LED driver designs. Evaluate thermal performance within the specified operating temperature range. Assess bill-of-material reduction benefits compared to discrete solutions.

Lighting, Ballast Controllers Part Context

The L6382DTR belongs to STMicroelectronics' portfolio of power management units tailored for lighting applications. It complements other ST products like the L6398 half-bridge driver by providing specialized control functions. This IC simplifies design complexity by combining multiple tasks into a single package, enhancing system reliability and reducing overall component count.

Lighting, Ballast Controllers Replacement Considerations

The L6382D5 is a related variant but is marked as obsolete. Verify functional equivalence and availability when considering substitutes. Ensure any replacement maintains compatibility with existing microcontroller interfaces and voltage requirements.