TLC5955DCAR TI LED Driver | 56-HTSSOP | 48-Channel, 16-Bit PWM

Product Overview

The TLC5955DCAR is a 48-channel, constant-current sink LED driver from Texas Instruments, designed for high-performance display and lighting applications. It integrates a 16-bit (65,536 levels) PWM grayscale control with a 7-bit (128 steps) global brightness adjustment, enabling precise and smooth LED brightness control. The device operates from a 3.0V to 5.5V supply and features a serial interface for data communication. Its 56-pin HTSSOP package (PowerPAD) ensures efficient thermal dissipation, making it suitable for compact, high-density designs.

Detailed Technical Specifications

Key Features

• 48 constant-current sink outputs with 16-bit PWM grayscale control
• 7-bit global brightness adjustment for each channel
• Adjustable output current from 0.5 mA to 35 mA via external resistor
• Serial interface with 35 MHz maximum clock frequency
• Built-in LED open/short detection and thermal shutdown
• Low power consumption with 1 µA standby current
• Wide operating voltage range (3.0 V to 5.5 V)
• Compact 56-HTSSOP package with exposed pad for thermal management

Target Applications

• LED video walls and signage (e.g., indoor/outdoor displays)
• Automotive lighting (e.g., dashboard backlighting, ambient lighting)
• Industrial control panels and indicators
• 5G base station status indicators
• General-purpose constant-current LED driving

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for TLC5955DCAR. 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

TLC5955DCAR 是德州儀器 (TI) 推出的一款 48 通道恆流源 LED 驅動器，採用 56-HTSSOP 封裝，專為高性能顯示和照明應用設計。它集成了 16 位 (65,536 級) PWM 灰度控制和 7 位 (128 級) 全局亮度調節，可實現精確平滑的 LED 亮度控制。器件工作電壓範圍為 3.0 V 至 5.5 V，並採用串行接口進行數據通信。其 56 引腳 HTSSOP 封裝 (帶 PowerPAD) 確保了高效的散熱性能，適合緊湊型高密度設計。

詳細技術參數

核心特性

• 48 路恆流輸出，支持 16 位 PWM 灰度控制
• 每通道 7 位全局亮度調節
• 輸出電流可調，範圍 0.5 mA 至 35 mA (通過外部電阻)
• 串行接口，最高時鐘頻率 35 MHz
• 內置 LED 開路/短路檢測和熱關斷保護
• 低功耗，待機電流僅 1 µA
• 寬工作電壓範圍 (3.0 V 至 5.5 V)
• 緊湊型 56-HTSSOP 封裝，帶裸露焊盤便於散熱

典型應用場景

• LED 視頻牆和標牌 (例如室內/室外顯示屏)
• 汽車照明 (例如儀表板背光、氛圍燈)
• 工業控制面板和指示燈
• 5G 基站狀態指示燈
• 通用恆流 LED 驅動

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 TLC5955DCAR 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。
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• 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。
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• 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.
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