BQ29209DRBT TI Battery Protection IC | 8-SON(3x3) | 2-Series Li-Ion, Overvoltage Protection

Product Overview

The BQ29209DRBT from Texas Instruments is a highly integrated, 2-series cell lithium-ion battery protection IC designed to prevent overvoltage and undervoltage conditions. It monitors each cell voltage and provides a programmable delay for overvoltage protection. The device is housed in a compact 8-pin SON (3x3 mm) package, making it ideal for space-constrained applications. With low power consumption and high accuracy, the BQ29209DRBT ensures safe and reliable operation of 2-cell Li-Ion battery packs.

Detailed Technical Specifications

Key Features

• Precision overvoltage and undervoltage protection for 2-series Li-Ion cells
• Programmable overvoltage delay time
• Low quiescent current (3 µA typical) for extended battery life
• Internal cell balancing capability
• Small 8-pin SON package (3x3 mm) for space-saving designs
• Wide operating voltage range (2.5 V to 10 V)

Target Applications

• Portable electronics: smartphones, tablets, laptops
• Power tools: cordless drills, screwdrivers
• Medical devices: portable monitors, infusion pumps
• Industrial equipment: handheld scanners, barcode readers
• 5G base station backup battery packs
• Automotive dashboard battery monitoring

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for BQ29209DRBT. 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

BQ29209DRBT 是德州儀器 (TI) 推出的一款高度集成的 2 串鋰離子電池保護 IC，用於防止過壓和欠壓情況。它監控每個電池電壓，並提供可編程的過壓延遲。該器件採用緊湊的 8 引腳 SON (3x3 mm) 封裝，非常適合空間受限的應用。憑藉低功耗和高精度，BQ29209DRBT 確保 2 節鋰離子電池組的安全可靠運行。

詳細技術參數

核心特性

• 精確的 2 串鋰離子電池過壓和欠壓保護
• 可編程過壓延遲時間
• 低靜態電流 (典型值 3 µA)，延長電池壽命
• 內部電池均衡能力
• 小型 8 引腳 SON 封裝 (3x3 mm)，節省空間
• 寬工作電壓範圍 (2.5 V 至 10 V)

典型應用場景

• 便攜式電子設備：智能手機、平板電腦、筆記本電腦
• 電動工具：無繩電鑽、螺絲刀
• 醫療設備：便攜式監護儀、輸液泵
• 工業設備：手持掃描器、條碼閱讀器
• 5G 基站備用電池組
• 汽車儀表板電池監控

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 BQ29209DRBT 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]