STLD1TR ST LED Driver | 24-QFN (4x4) | 40V, 1.5A

Product Overview

The STLD1TR is a high-efficiency, monolithic step-down LED driver from STMicroelectronics, designed for driving high-brightness LEDs with a constant current up to 1.5A. Housed in a compact 24-QFN (4x4 mm) package, it operates from an input voltage range of 4.5V to 40V, making it suitable for a wide variety of automotive, industrial, and general lighting applications. The device integrates a power MOSFET and current sensing, providing a complete solution with minimal external components.

Detailed Technical Specifications

Key Features

• Integrated 1.5A power MOSFET
• Constant current regulation with ±3% accuracy
• PWM dimming capability
• Adjustable switching frequency
• Comprehensive protection: overvoltage, overcurrent, thermal shutdown
• Small 24-QFN package for space-constrained designs

Target Applications

• Automotive lighting: headlamps, daytime running lights (DRL), fog lights
• Industrial lighting: high-bay, street lighting
• General LED lighting: downlights, spotlights
• Portable lighting: flashlights, emergency lights
• Specific examples: 5G base station indicator lights, automotive dashboard backlighting, LED signage

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for STLD1TR. Our core advantages include:

• 24/7 Global Customer Support: Professional team providing instant quotes and technical support worldwide.
• In-stock Inventory, Same-day Shipping: We maintain localized stock; orders confirmed before 4 PM are shipped the same day.
• HK-SZ Synergy, Flexible Settlement: Direct global shipping from Shenzhen with support for HK bank transfers and multi-currency.
• Escrow Secured Transactions: We support Escrow.com for secure transactions, ensuring peace of mind for batch orders.
• BOM Kitting & Sampling Services: Specialized sourcing for testing samples and urgent shortage components.

Quality Assurance & Compliance

Jasin Chip guarantees that all delivered products are 100% original factory stock with full quality assurance and traceability.

• 100% Original & Authentic: All components are guaranteed to be authentic with strict quality control.
• RoHS Compliant: All electronic components comply with international environmental and safety standards.
• Original Factory Packaging: We maintain original factory packaging and seals to ensure ESD protection and physical integrity.

產品概述

STLD1TR 是意法半导体推出的一款高效单片降压LED驱动器，能够以高达1.5A的恒定电流驱动高亮度LED。它采用紧凑的24-QFN（4x4 mm）封装，输入电压范围为4.5V至40V，适用于各种汽车、工业和通用照明应用。该器件集成功率MOSFET和电流检测，以最少的外部元件提供完整的解决方案。

詳細技術參數

核心特性

• 集成 1.5A 功率 MOSFET
• 恒定电流调节，精度 ±3%
• PWM 调光功能
• 可调开关频率
• 全面保护：过压、过流、热关断
• 小型 24-QFN 封装，适合空间受限的设计

典型應用場景

• 汽车照明：前大灯、日间行车灯、雾灯
• 工业照明：工矿灯、路灯
• 通用LED照明：筒灯、射灯
• 便携式照明：手电筒、应急灯
• 具体示例：5G基站指示灯、汽车仪表盘背光、LED标牌

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 STLD1TR 提供全面的供應鏈與批發解決方案。 我們的核心優勢包括：

• 全天候環球客戶支援：專業團隊為您提供即時報價及技術支援，無需漫長等待。
• 現貨庫存，即日發貨：確保現貨充足。下午 4 點前確認訂單，即可安排當天寄出。
• 深港聯動，結算靈活：深圳直發全球，物流高效可靠；支援香港銀行戶口轉賬及多幣種結算。
• Escrow 擔保交易：支援 Escrow.com 平台交易，保障買賣雙方權益，小批量訂單亦可安心在線下單。
• BOM 配單與樣板服務：提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。

品質保證與合規

Jasin Chip 承諾所有出貨產品均為原廠正貨，具備完善的品質保證及產品可追溯性。

• 100% 原廠正貨：承諾所有供應零件均為原裝現貨，品質嚴格把關，來源清晰可追溯。
• 符合 RoHS 認證：所有電子元器件均符合國際環保標準及相關安全認證。
• 原廠封裝保護：嚴格保留原廠原始包裝及封條，確保物流過程中的靜電防護 (ESD) 與物理安全。

以上產品均為原廠正貨，提供 BOM 配單及現貨庫存支援，歡迎查詢。

HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]