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L99LDLH32TR

L99LDLH32TR Description

The L99LDLH32TR from STMicroelectronics is a high-performance 32-channel linear LED driver designed for automotive-grade lighting applications. Operating within a 5.5V to 28V supply range, it delivers a stable 5V output with constant current topology, ensuring precise and uniform illumination across all channels. Each channel supports up to 24mA output current, making it ideal for driving multiple LEDs with PWM dimming control for dynamic brightness adjustment. Packaged in a surface-mount Tape & Reel (TR) format, it meets ROHS3 and REACH compliance standards, ensuring environmental and safety adherence.

L99LDLH32TR Features

• 32-Channel Output: Enables simultaneous control of multiple LED strings, reducing component count.
• Automotive-Grade Reliability: Compliant with stringent automotive standards for durability and performance.
• Wide Input Voltage Range (5.5V–28V): Supports flexible power supply configurations.
• PWM Dimming: Allows precise brightness control via pulse-width modulation.
• Constant Current Topology: Ensures uniform LED current distribution for consistent illumination.
• Compact Surface-Mount Design: Optimized for space-constrained PCB layouts.
• Moisture Sensitivity Level (MSL 3): Suitable for industrial and automotive environments.

L99LDLH32TR Applications

• Automotive Lighting: Tail lights, dashboard backlighting, and interior ambient lighting.
• Architectural LED Systems: Facade lighting and dynamic signage requiring multi-channel control.
• Consumer Electronics: Backlighting for displays and indicators in high-reliability devices.
• Industrial Lighting: Machine vision systems and status indicators demanding precision dimming.

Conclusion of L99LDLH32TR

The L99LDLH32TR stands out as a robust, multi-channel LED driver tailored for automotive and industrial lighting where reliability, precision, and scalability are critical. Its PWM dimming, wide voltage range, and 32-channel output make it superior to simpler drivers, while its ROHS3 compliance ensures eco-friendly integration. Ideal for designers seeking a compact, high-performance solution for advanced LED control systems.