BQ24705RGET TI Battery Charger IC | 24-VQFN (4x4) | 1-4 Cells, 5V-24V Input

Product Overview

The BQ24705RGET is a highly integrated, multi-chemistry battery charger controller from Texas Instruments, designed for 1-4 cell Li-Ion or Li-Polymer battery packs. It operates from an input voltage range of 5V to 24V, making it suitable for a wide variety of portable and industrial applications. The device features programmable charge current and voltage, and includes a power path management (Narrow VDC) architecture that allows the system to operate even when the battery is deeply discharged. The BQ24705RGET is available in a compact 24-pin VQFN (4x4 mm) package, enabling space-constrained designs.

Detailed Technical Specifications

Key Features

• High-efficiency synchronous buck charger with up to 95% efficiency
• Programmable charge current up to 8A (external sense resistor)
• Programmable charge voltage up to 18.4V
• Integrated power FETs for compact design
• I2C/SMBus interface for flexible control and monitoring
• Battery learning cycle support
• Low quiescent current (30 µA typical)
• Thermal regulation and protection

Target Applications

• Notebook and ultrabook computers (e.g., Dell XPS, Lenovo ThinkPad)
• Tablets and 2-in-1 devices (e.g., Microsoft Surface, iPad Pro)
• Portable medical devices (e.g., patient monitors, infusion pumps)
• Industrial handheld terminals (e.g., barcode scanners, GPS units)
• 5G base station backup battery systems
• Power tools and cordless vacuum cleaners
• Portable speakers and smart home hubs

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for BQ24705RGET. 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

BQ24705RGET 是德州儀器（TI）推出的一款高度集成的多化學成分電池充電控制器，適用於 1-4 節鋰離子或鋰聚合物電池組。其輸入電壓範圍為 5V 至 24V，適用於多種便攜式和工業應用。該器件具有可編程充電電流和電壓，並包含電源路徑管理（Narrow VDC）架構，即使在電池深度放電的情況下也能讓系統正常運行。BQ24705RGET 採用緊湊的 24 引腳 VQFN（4x4 mm）封裝，適合空間受限的設計。

詳細技術參數

核心特性

• 高效同步降壓充電器，效率高達 95%
• 可編程充電電流最高 8A（外部檢測電阻）
• 可編程充電電壓最高 18.4V
• 集成功率 FET，設計緊湊
• I2C/SMBus 接口，靈活控制與監控
• 支持電池學習循環
• 低靜態電流（典型值 30 µA）
• 熱調節與保護

典型應用場景

• 筆記本電腦和超極本（例如 Dell XPS、Lenovo ThinkPad）
• 平板電腦和二合一設備（例如 Microsoft Surface、iPad Pro）
• 便攜式醫療設備（例如病人監護儀、輸液泵）
• 工業手持終端（例如條碼掃描器、GPS 設備）
• 5G 基站備用電池系統
• 電動工具和無線吸塵器
• 便攜式音箱和智能家居中樞

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 BQ24705RGET 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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