BQ2945SN-C409 TI Battery Protection IC | 16-SOIC | 2-4 Cell Li-Ion, Overvoltage Protection

Product Overview

The BQ2945SN-C409 is a highly integrated battery protection IC from Texas Instruments, designed for 2-4 cell Li-Ion or Li-Polymer battery packs. It provides overvoltage protection, undervoltage protection, and overcurrent protection, ensuring safe operation and extending battery life. Packaged in a compact 16-SOIC, it is ideal for space-constrained applications.

Detailed Technical Specifications

Key Features

• Precision overvoltage and undervoltage protection
• Overcurrent and short-circuit protection
• Low power consumption (typical 1µA in standby)
• Internal charge pump for high-side N-channel FET drive
• Small 16-SOIC package

Target Applications

• 5G base station backup battery packs
• Electric vehicle (EV) battery management systems
• Portable power tools (e.g., cordless drills)
• Medical devices (e.g., portable ultrasound)
• Industrial IoT sensors

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for BQ2945SN-C409. 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

BQ2945SN-C409 是德州儀器（TI）推出的一款高度集成的電池保護 IC，適用於 2-4 節鋰離子或鋰聚合物電池組。它提供過壓保護、欠壓保護和過流保護，確保安全運行並延長電池壽命。採用緊湊的 16-SOIC 封裝，非常適合空間受限的應用。

詳細技術參數

核心特性

• 精確的過壓和欠壓保護
• 過流和短路保護
• 低功耗（待機典型值 1µA）
• 內部電荷泵用於高側 N 溝道 FET 驅動
• 小型 16-SOIC 封裝

典型應用場景

• 5G 基站備用電池組
• 電動汽車（EV）電池管理系統
• 便攜式電動工具（如充電鑽）
• 醫療設備（如便攜式超聲）
• 工業物聯網傳感器

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 BQ2945SN-C409 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]