BQ24740RHDR TI Battery Charger IC | 28-VQFN (5x5) | 1-4 Cell Li-Ion, SMBus

Product Overview

The BQ24740RHDR is a highly integrated, single-chip battery charger IC from Texas Instruments, designed for 1- to 4-cell Li-Ion and Li-Polymer battery packs. It features SMBus communication for programmable charge parameters, including charge current, charge voltage, and input current limit. The device operates with a wide input voltage range from 4.5V to 24V, making it suitable for various portable and industrial applications. Its compact 28-VQFN (5x5 mm) package enables space-constrained designs.

Detailed Technical Specifications

Key Features

• High-efficiency synchronous buck converter with integrated MOSFETs
• Programmable charge current, voltage, and input current limit via SMBus
• Battery detection and preconditioning for deeply discharged cells
• Charge termination by minimum current and timer
• Thermal regulation and protection (overvoltage, overcurrent, overtemperature)
• Power Path Management (Narrow VDC architecture) for instant-on operation
• Low quiescent current in battery-only mode

Target Applications

• Notebook and Ultrabook computers (e.g., Dell XPS, Lenovo ThinkPad)
• Portable medical devices (e.g., patient monitors, infusion pumps)
• Industrial handheld terminals (e.g., Zebra TC77, Honeywell CK65)
• 5G base station backup battery systems
• Power tools and cordless vacuum cleaners
• Portable speakers and power banks

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for BQ24740RHDR. 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

BQ24740RHDR 是德州儀器（TI）推出的一款高度集成的單晶片電池充電管理 IC，專為 1 至 4 節鋰離子或鋰聚合物電池組設計。它支援 SMBus 通訊，可程式化充電電流、充電電壓和輸入電流限制。器件輸入電壓範圍為 4.5V 至 24V，適用於各種可攜式和工業應用。緊湊的 28-VQFN（5x5 mm）封裝有助於節省空間的設計。

詳細技術參數

核心特性

• 高效率同步降壓轉換器，內建 MOSFET
• 透過 SMBus 可程式化充電電流、電壓和輸入電流限制
• 電池檢測和預處理功能，適用於深度放電電池
• 最小電流和計時器充電終止
• 熱調節和保護（過壓、過流、過溫）
• 電源路徑管理（Narrow VDC 架構），支援即時開機
• 僅電池模式下低靜態電流

典型應用場景

• 筆記型電腦和超極本（例如 Dell XPS、Lenovo ThinkPad）
• 可攜式醫療設備（例如病人監護儀、輸液泵）
• 工業手持終端（例如 Zebra TC77、Honeywell CK65）
• 5G 基地台備用電池系統
• 電動工具和無線吸塵器
• 可攜式音箱和行動電源

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 BQ24740RHDR 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]