BQ4802LYDWR TI Real-Time Clock | 28-SOIC | 3V/5V, 64B NVRAM

Product Overview

The BQ4802LYDWR from Texas Instruments is a high-performance real-time clock (RTC) module with integrated non-volatile static RAM (NVSRAM) in a 28-pin SOIC package. It provides accurate timekeeping, alarm functions, and 64 bytes of battery-backed RAM for data retention. Designed for low-power operation, it supports both 3.3V and 5V supply voltages, making it versatile for various embedded systems.

Detailed Technical Specifications

Key Features

• Integrated 64-byte non-volatile SRAM for data storage
• Low power consumption: 1.0 µA typical in timekeeping mode
• Wide supply voltage range: 2.7V to 5.5V
• Parallel interface for easy microcontroller integration
• Programmable alarm and square wave output
• Automatic battery backup switchover
• Industrial temperature range: -40°C to +85°C

Target Applications

• 5G base station equipment for precise time synchronization
• Industrial automation controllers requiring time-stamped data logging
• Automotive dashboard systems for real-time clock and event recording
• Smart meters and utility monitoring devices
• Medical devices such as patient monitors with time-stamped records
• Networking equipment (routers, switches) for time-stamped logs

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for BQ4802LYDWR. 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

BQ4802LYDWR 是德州儀器（TI）推出的一款高性能實時時鐘（RTC）模塊，集成非易失性靜態 RAM（NVSRAM），採用 28 引腳 SOIC 封裝。它提供精確的計時、鬧鐘功能以及 64 字節電池備份 RAM 用於數據保持。該器件專為低功耗應用設計，支持 3.3V 和 5V 供電電壓，適用於各種嵌入式系統。

詳細技術參數

核心特性

• 集成 64 字節非易失性 SRAM，用於數據存儲
• 低功耗：計時模式下典型值 1.0 µA
• 寬供電電壓範圍：2.7V 至 5.5V
• 並行接口，便於微控制器集成
• 可編程鬧鐘和方波輸出
• 自動電池備份切換
• 工業級溫度範圍：-40°C 至 +85°C

典型應用場景

• 5G 基站設備，用於精確時間同步
• 工業自動化控制器，需要時間戳數據記錄
• 汽車儀表盤系統，用於實時時鐘和事件記錄
• 智能電錶和公用事業監控設備
• 醫療設備，如帶時間戳記錄的病人監護儀
• 網絡設備（路由器、交換機），用於時間戳日誌

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 BQ4802LYDWR 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]