BQ24278RGER TI Battery Charger IC | 24-VQFN (4x4) | 1.5A, I2C

Product Overview

The BQ24278RGER from Texas Instruments is a highly integrated, single-cell Li-Ion battery charger IC designed for space-constrained portable applications. It supports a wide input voltage range of 3.9V to 6.2V and delivers up to 1.5A charge current. The device features I2C control for flexible charging parameter configuration, including charge current, termination current, and input current limit. Its compact 24-VQFN (4x4 mm) package makes it ideal for wearables, smartphones, and other compact devices.

Detailed Technical Specifications

Key Features

• High integration: power FET, current sensor, and compensation network
• I2C programmable charge parameters
• Thermal regulation for safe operation
• Low quiescent current (20 µA typical)
• Status outputs for charge indication
• JEITA battery temperature monitoring

Target Applications

• Smartphones and tablets
• Wearable devices (smartwatches, fitness bands)
• Portable medical devices (glucose monitors, pulse oximeters)
• Bluetooth headsets and earbuds
• 5G base station auxiliary power management
• Automotive dashboard infotainment systems

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for BQ24278RGER. 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

BQ24278RGER 是德州儀器（TI）推出的一款高度集成的單節鋰離子電池充電管理 IC，專為空間受限的便攜式應用設計。它支持 3.9V 至 6.2V 的寬輸入電壓範圍，並可提供高達 1.5A 的充電電流。該器件通過 I2C 接口實現靈活的充電參數配置，包括充電電流、終止電流和輸入電流限制。其緊湊的 24-VQFN（4x4 mm）封裝非常適合可穿戴設備、智能手機和其他緊湊型設備。

詳細技術參數

核心特性

• 高度集成：功率 FET、電流檢測和補償網絡
• I2C 可編程充電參數
• 熱調節確保安全運行
• 低靜態電流（典型值 20 µA）
• 充電狀態指示輸出
• JEITA 電池溫度監測

典型應用場景

• 智能手機和平板電腦
• 可穿戴設備（智能手錶、健身手環）
• 便攜式醫療設備（血糖儀、脈搏血氧儀）
• 藍牙耳機和耳塞
• 5G 基站輔助電源管理
• 汽車儀表盤信息娛樂系統

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 BQ24278RGER 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]