BQ3285ESTR TI Real-Time Clock | 24-SOIC | 3V Supply, I2C Interface

Product Overview

The BQ3285ESTR from Texas Instruments is a low-power, serial real-time clock (RTC) with a built-in 32.768 kHz crystal oscillator. It provides timekeeping, alarm, and calendar functions in a compact 24-SOIC package. Operating from a 3V supply, it communicates via an I2C interface and includes a backup battery input for maintaining time during power loss. The device is ideal for applications requiring accurate time stamping and event scheduling.

Detailed Technical Specifications

Key Features

• Integrated 32.768 kHz crystal oscillator
• I2C serial interface with up to 400 kHz speed
• Low power consumption: 1.5 µA typical in timekeeping mode
• Programmable alarm and timer functions
• Automatic leap year compensation up to 2099
• Backup battery input for uninterrupted operation
• Industrial temperature range: -40°C to +85°C

Target Applications

• 5G base stations for precise time synchronization
• Automotive dashboard clocks and event data recorders
• Industrial automation controllers for time-stamped logs
• Smart meters and utility monitoring systems
• Medical devices requiring accurate timekeeping

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for BQ3285ESTR. 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

BQ3285ESTR 是德州儀器推出的一款低功耗串行實時時鐘（RTC），內置 32.768 kHz 晶體振盪器。它提供計時、鬧鐘和日曆功能，採用緊湊的 24-SOIC 封裝。工作電壓為 3V，通過 I2C 接口通信，並包含備用電池輸入，可在斷電時維持時間。該器件非常適合需要精確時間戳和事件調度的應用。

詳細技術參數

核心特性

• 集成 32.768 kHz 晶體振盪器
• I2C 串行接口，速度高達 400 kHz
• 低功耗：計時模式下典型值 1.5 µA
• 可編程鬧鐘和定時器功能
• 自動閏年補償，直至 2099 年
• 備用電池輸入，確保不間斷運行
• 工業溫度範圍：-40°C 至 +85°C

典型應用場景

• 5G 基站，用於精確時間同步
• 汽車儀表板時鐘和事件數據記錄器
• 工業自動化控制器，用於時間戳記錄
• 智能電表和公用事業監控系統
• 需要精確計時的醫療設備

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 BQ3285ESTR 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]