L99LD21Q6TR - STMicroelectronics

Manufacturer Part Number

L99LD21Q6TR

Manufacturer

stmicroelectronics

Introduction

The L99LD21Q6TR is a state-of-the-art Power Management Integrated Circuit (PMIC) designed for LED driving applications, featuring advanced power regulation through both buck and boost topologies.

Product Features and Performance

Integrated DC DC Regulator

Supports both Buck and Boost conversion

Internal switches included

Dual output capability

Frequency range from 100kHz to 450kHz

Supports PWM dimming

Operates over a wide temperature range from -40°C to 150°C

Product Advantages

High flexibility in input voltage ranging from 5.5V to 24V

Capable of driving output voltage up to 50V

High output current capacity up to 1.5A per channel

Automotive grade with AEC-Q100 qualification

Robust thermal performance with a maximum operating temperature of 150°C

Key Technical Parameters

Voltage Supply (Min): 5.5V

Voltage Supply (Max): 24V

Voltage Output: 50V

Current Output / Channel: 1.5A

Frequency: 100kHz ~ 450kHz

PWM dimming compatible

Quality and Safety Features

AEC-Q100 qualified for automotive applications

High-temperature operation capability ensuring reliability under stress

Compatibility

Suitable for automated surface mounting

Compatible with 40-TFQFN Exposed Pad package

Application Areas

Specifically designed for Lighting applications in automotive environments

Product Lifecycle

Currently in active production

Not reported as nearing discontinuation

Ongoing support and availability of parts expected

Several Key Reasons to Choose This Product

Wide voltage operation range accommodating various power supply scenarios

High current and voltage output suitable for intensive LED applications

Automotive qualification ensuring reliability in vehicular applications

Efficient thermal management for enhanced durability

Compatibility with modern mounting techniques simplifies assembly processes