BQ24742RHDT TI Battery Charger IC | 28-VQFN (5x5) | 1-4 Cell Li-Ion, SMBus

Product Overview

The BQ24742RHDT is a highly integrated, single-chip battery charger IC from Texas Instruments, designed for 1-4 cell Li-Ion and Li-Polymer battery packs. It operates with an SMBus interface for precise charge control and supports a wide input voltage range from 4.5V to 24V. The device is housed in a compact 28-pin VQFN (5x5 mm) package, making it ideal for space-constrained applications. With programmable charge current up to 8A and charge voltage accuracy of ±0.5%, it ensures efficient and safe charging for various portable and industrial devices.

Detailed Technical Specifications

Key Features

• High-efficiency synchronous buck converter with up to 95% efficiency
• Programmable charge current and voltage via SMBus
• Integrated power FETs and current sense amplifier
• Battery detection and preconditioning for deeply discharged cells
• Charge termination by minimum current or timer
• Status indication via SMBus and dedicated pins
• Low quiescent current in ship mode

Target Applications

• Notebook and ultrabook computers
• Tablets and portable media players
• 5G base station backup battery systems
• Industrial handheld terminals and barcode scanners
• Medical portable devices like patient monitors
• Automotive dashboard and infotainment systems

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for BQ24742RHDT. 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

BQ24742RHDT 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 1-4 節鋰離子或鋰聚合物電池組設計。它通過 SMBus 介面實現精確的充電控制，支援 4.5V 至 24V 的寬輸入電壓範圍。器件採用緊湊的 28 引腳 VQFN（5x5 mm）封裝，非常適合空間受限的應用。可程式設計充電電流高達 8A，充電電壓精度為 ±0.5%，確保為各種便攜式和工業設備提供高效、安全的充電。

詳細技術參數

核心特性

• 高效同步降壓轉換器，效率高達 95%
• 通過 SMBus 可程式設計充電電流和電壓
• 集成功率 MOSFET 和電流檢測放大器
• 電池檢測和深度放電電池預處理
• 通過最小電流或計時器終止充電
• 通過 SMBus 和專用引腳提供狀態指示
• 休眠模式下極低靜態電流

典型應用場景

• 筆記型電腦和超極本
• 平板電腦和可攜式媒體播放器
• 5G 基站備用電池系統
• 工業手持終端和條碼掃描器
• 醫療便攜設備如病人監護儀
• 汽車儀錶盤和資訊娛樂系統

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 BQ24742RHDT 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]