STMPE821QTR ST Capacitive Touch Sensor | 16-QFN (2.6x1.8) | 8 Channels, I2C Interface

Product Overview

The STMPE821QTR is a capacitive touch sensor controller from STMicroelectronics, designed for human interface applications. It supports up to 8 touch channels and communicates via I2C interface. The device is housed in a compact 16-QFN (2.6x1.8) package, making it ideal for space-constrained designs. It features low power consumption, automatic calibration, and proximity detection.

Detailed Technical Specifications

Key Features

• 8 capacitive touch channels
• I2C interface with interrupt output
• Low power consumption: 10 μA typical idle
• Automatic calibration and drift compensation
• Proximity detection capability
• Compact 16-QFN package (2.6x1.8 mm)
• Wide supply voltage range: 1.65V to 3.6V
• Operating temperature: -40°C to +85°C

Target Applications

• Smart home control panels (e.g., thermostat touch interface)
• Portable consumer electronics (e.g., smartphone side buttons)
• Industrial keypads (e.g., 5G base station control panel)
• Automotive dashboard touch controls
• Medical device user interfaces (e.g., infusion pump touchpad)
• IoT sensor nodes with touch input

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for STMPE821QTR. 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

STMPE821QTR 是意法半導體推出的電容式觸摸感應控制器，專為人機交互應用設計。它支持多達 8 個觸摸通道，並通過 I2C 接口通信。器件採用緊湊的 16-QFN（2.6x1.8）封裝，非常適合空間受限的設計。具有低功耗、自動校準和接近檢測功能。

詳細技術參數

核心特性

• 8 個電容觸摸通道
• I2C 接口，帶中斷輸出
• 低功耗：典型空閒 10 μA
• 自動校準和漂移補償
• 接近檢測功能
• 緊湊 16-QFN 封裝（2.6x1.8 mm）
• 寬供電電壓範圍：1.65V 至 3.6V
• 工作溫度：-40°C 至 +85°C

典型應用場景

• 智能家居控制面板（例如恆溫器觸摸界面）
• 便攜消費電子（例如智能手機側邊按鍵）
• 工業鍵盤（例如 5G 基站控制面板）
• 汽車儀表板觸摸控制
• 醫療設備用戶界面（例如輸液泵觸摸板）
• 帶觸摸輸入的 IoT 傳感器節點

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 STMPE821QTR 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]