BQ29311PWRG4 TI Battery Protection IC | 24-TSSOP | 2-4 Cell Li-Ion, OVP/UVP/OCP

Product Overview

The BQ29311PWRG4 from Texas Instruments is a highly integrated, 2-, 3-, or 4-cell Li-Ion or Li-Polymer battery protection IC. It provides overvoltage (OVP), undervoltage (UVP), overcurrent (OCP), short-circuit, and overtemperature protection. Packaged in a 24-pin TSSOP, it is designed for portable electronics and battery packs requiring robust safety features.

Detailed Technical Specifications

Key Features

• Integrated protection for 2-4 cell Li-Ion/Li-Polymer batteries
• Programmable OVP, UVP, and OCP thresholds
• Short-circuit protection
• Overtemperature protection
• Low quiescent current (30 µA typical)
• Internal charge pump for high-side N-channel FET drive
• Status indication output
• Available in 24-pin TSSOP package

Target Applications

• 5G base station backup battery packs
• Automotive dashboard battery monitoring
• Portable power tools
• Medical devices (e.g., portable defibrillators)
• 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 BQ29311PWRG4. 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

BQ29311PWRG4 是德州儀器 (TI) 推出的一款高度集成的 2、3 或 4 節鋰離子或鋰聚合物電池保護 IC。它提供過壓 (OVP)、欠壓 (UVP)、過流 (OCP)、短路和過溫保護。採用 24 引腳 TSSOP 封裝，適用於需要強大安全功能的便攜式電子設備和電池組。

詳細技術參數

核心特性

• 集成 2-4 節鋰離子/鋰聚合物電池保護
• 可編程 OVP、UVP 和 OCP 閾值
• 短路保護
• 過溫保護
• 低靜態電流（典型值 30 µA）
• 內部電荷泵驅動高側 N 溝道 FET
• 狀態指示輸出
• 採用 24 引腳 TSSOP 封裝

典型應用場景

• 5G 基站備用電池組
• 汽車儀表盤電池監控
• 便攜式電動工具
• 醫療設備（如便攜式除顫器）
• 電動自行車和滑板車
• 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 BQ29311PWRG4 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.
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