TCA8418RTWR TI Keypad Scanner | 24-WQFN (4x4) | I2C, 80 Keys

Product Overview

The TCA8418RTWR from Texas Instruments is a low-power, I2C-controlled keypad scanner IC designed for portable and embedded applications. It supports up to 80 key switches (10x8 matrix) with integrated debounce, interrupt output, and programmable scan parameters. Housed in a compact 24-WQFN (4x4 mm) package, it offers a space-saving solution for user input interfaces.

Detailed Technical Specifications

Key Features

• Low standby current (1 µA typical)
• Programmable scan rate and debounce
• FIFO for key event storage (16 entries)
• Multiple key press detection
• I2C interface with up to 4 device addresses

Target Applications

• Portable consumer electronics (e.g., smartphones, tablets)
• Industrial control panels (e.g., PLC HMI keypads)
• Automotive infotainment systems (e.g., dashboard keypads)
• Medical devices (e.g., handheld diagnostic tools)
• 5G base station control interfaces

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for TCA8418RTWR. 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

TCA8418RTWR 是德州儀器（TI）推出的一款低功耗、I2C 控制的鍵盤掃描 IC，專為便攜式和嵌入式應用設計。它支持最多 80 個按鍵（10x8 矩陣），內置去抖動、中斷輸出和可編程掃描參數。採用緊湊的 24-WQFN（4x4 mm）封裝，為用戶輸入接口提供節省空間的解決方案。

詳細技術參數

核心特性

• 低待機電流（典型值 1 µA）
• 可編程掃描速率和去抖
• FIFO 存儲按鍵事件（16 條）
• 多鍵同時按下檢測
• I2C 接口，支持最多 4 個設備地址

典型應用場景

• 便攜消費電子（如智能手機、平板電腦）
• 工業控制面板（如 PLC HMI 鍵盤）
• 汽車信息娛樂系統（如儀表板鍵盤）
• 醫療設備（如手持診斷工具）
• 5G 基站控制接口

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 TCA8418RTWR 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]