BQ29442DRBR TI Battery Protection IC | 8-SON（3X3） | 2-4 Cell Li-Ion, OVP 4.35V

Product Overview

The BQ29442DRBR is a secondary overvoltage protection IC from Texas Instruments, designed for 2-series to 4-series Li-Ion and Li-Polymer battery packs. It provides a precise overvoltage protection threshold of 4.35V per cell, with a programmable delay time. Housed in a compact 8-SON (3x3mm) package, it is ideal for space-constrained applications requiring reliable battery safety.

Detailed Technical Specifications

Key Features

• Precision overvoltage protection for 2-4 cell Li-Ion/Li-Polymer batteries
• Low quiescent current: 1.5µA typical
• Programmable overvoltage delay time
• Open-drain output for fault indication
• Small 8-SON package (3x3mm) for space-saving designs
• Wide operating voltage range: 2.5V to 25V

Target Applications

• 5G base station backup battery packs
• Automotive dashboard battery monitoring
• Power tools and cordless equipment
• Portable medical devices
• Electric bicycles and scooters
• Uninterruptible power supplies (UPS)

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for BQ29442DRBR. 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

BQ29442DRBR 是德州儀器推出的二次過壓保護 IC，專為 2 串至 4 串鋰離子及鋰聚合物電池組設計。它提供精確的每節電池 4.35V 過壓保護閾值，並具有可編程延遲時間。採用緊湊的 8-SON（3x3mm）封裝，非常適合需要可靠電池安全性的空間受限應用。

詳細技術參數

核心特性

• 為 2-4 串鋰離子/鋰聚合物電池提供精確過壓保護
• 低靜態電流：典型值 1.5µA
• 可編程過壓延遲時間
• 開漏輸出，用於故障指示
• 小型 8-SON 封裝（3x3mm），節省空間
• 寬工作電壓範圍：2.5V 至 25V

典型應用場景

• 5G 基站備用電池組
• 汽車儀表板電池監控
• 電動工具及無線設備
• 便攜式醫療設備
• 電動自行車及滑板車
• 不間斷電源（UPS）

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 BQ29442DRBR 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。
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• 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]