BQ4802LYPWR TI Real-Time Clock | 28-TSSOP | 3V/5V, I2C, 128B RAM

Product Overview

The BQ4802LYPWR from Texas Instruments is a low-power, real-time clock (RTC) module with integrated battery backup, designed for accurate timekeeping in a wide range of applications. Housed in a compact 28-pin TSSOP package, it operates from a 3V or 5V supply and communicates via an I2C interface. The device includes 128 bytes of general-purpose RAM, a programmable alarm, and a watchdog timer, making it ideal for embedded systems requiring reliable time stamping and event scheduling.

Detailed Technical Specifications

Key Features

• Low power consumption: 1.5 µA typical at 3V
• Integrated battery backup with trickle charger
• I2C interface for easy integration
• 128 bytes of general-purpose RAM
• Programmable alarm and watchdog timer
• Automatic leap year compensation
• Industrial temperature range

Target Applications

• 5G base station equipment for precise time synchronization
• Automotive dashboard clocks and event logging
• Industrial automation controllers with time-stamped data
• Smart meters and energy management systems
• Medical devices requiring accurate timekeeping

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for BQ4802LYPWR. 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

BQ4802LYPWR 是德州儀器推出的一款低功耗實時時鐘模組，內置電池備份功能，適用於多種需要精確計時的應用。該器件採用緊湊的 28 引腳 TSSOP 封裝，支持 3V 或 5V 供電，並通過 I2C 接口進行通信。內置 128 字節通用 RAM、可編程鬧鐘和看門狗定時器，非常適合需要可靠時間戳和事件調度的嵌入式系統。

詳細技術參數

核心特性

• 低功耗：3V 時典型值 1.5 µA
• 集成電池備份與涓流充電器
• I2C 接口，易於集成
• 128 字節通用 RAM
• 可編程鬧鐘和看門狗定時器
• 自動閏年補償
• 工業級溫度範圍

典型應用場景

• 5G 基站設備，用於精確時間同步
• 汽車儀表盤時鐘與事件記錄
• 工業自動化控制器，帶時間戳數據
• 智能電錶與能源管理系統
• 醫療設備，需要精確計時

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 BQ4802LYPWR 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]