TLC5955DCA TI LED Driver | 56-HTSSOP | 48-Channel, 16-Bit PWM

Product Overview

The TLC5955DCA 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 PWM grayscale control with a 7-bit dot correction and 6-bit global brightness control, enabling precise LED brightness management. The device operates from a 3.0V to 5.5V supply and features a serial interface for data communication. Packaged in a 56-pin HTSSOP with PowerPAD, it offers excellent thermal performance for demanding applications.

Detailed Technical Specifications

Key Features

• 48 constant-current sink outputs with 16-bit PWM grayscale control
• 7-bit dot correction for individual channel brightness adjustment
• 6-bit global brightness control for overall luminance
• Serial interface with daisy-chain capability
• Built-in thermal shutdown and open/short LED detection
• Low power consumption with sleep mode
• Wide supply voltage range (3.0V to 5.5V)

Target Applications

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

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for TLC5955DCA. 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

TLC5955DCA 是德州儀器（TI）推出的一款 48 通道恆流源 LED 驅動器，專為高性能顯示和照明應用設計。它集成了 16 位 PWM 灰度控制、7 位點校正和 6 位全局亮度控制，可實現精確的 LED 亮度管理。器件工作電壓範圍為 3.0V 至 5.5V，採用串行接口進行數據通信。封裝為 56 引腳 HTSSOP（帶 PowerPAD），具有優異的熱性能，適用於要求苛刻的應用。

詳細技術參數

核心特性

• 48 路恆流輸出，16 位 PWM 灰度控制
• 7 位點校正，可單獨調節每個通道亮度
• 6 位全局亮度控制，調整整體亮度
• 串行接口，支持級聯
• 內置熱關斷和 LED 開路/短路檢測
• 低功耗，支持睡眠模式
• 寬電源電壓範圍（3.0V 至 5.5V）

典型應用場景

• LED 視頻顯示屏（如室內/室外廣告牌、體育場屏幕）
• 汽車照明（如儀表板指示燈、環境照明）
• 工業控制面板和狀態指示燈
• 5G 基站狀態指示燈和故障指示
• 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 TLC5955DCA 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]