BQ24278YFFT TI Battery Charger IC | 49-DSBGA (2.8X2.8) | 3A Charge, I2C Control

Product Overview

The BQ24278YFFT from Texas Instruments is a highly integrated, single-cell Li-Ion battery charger IC designed for space-constrained portable applications. It features a 3A charge current capability with I2C programmable parameters, supporting a wide input voltage range from 3.9V to 6.2V. The device is housed in a compact 49-DSBGA (2.8x2.8mm) package, making it ideal for slim devices. It includes power path management, allowing the system to be powered from the input source while charging the battery simultaneously. The charger also supports USB OTG (On-The-Go) operation with 5V output at up to 1.5A.

Detailed Technical Specifications

Key Features

• High-efficiency 3A charge current with I2C programmability
• Integrated power path management for instant system power
• USB OTG support with 5V/1.5A output
• JEITA compliant battery temperature monitoring
• Thermal regulation and protection
• Low quiescent current (20 µA in battery-only mode)
• Small 49-DSBGA package for space-constrained designs

Target Applications

• Smartphones and tablets
• Portable medical devices (e.g., glucose monitors)
• Wearable electronics (e.g., smartwatches)
• 5G base station backup battery chargers
• Automotive dashboard infotainment systems
• Industrial handheld terminals

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for BQ24278YFFT. 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

BQ24278YFFT 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。它支援高達 3A 的充電電流，並通過 I2C 介面可編程參數，輸入電壓範圍為 3.9V 至 6.2V。器件採用緊湊的 49-DSBGA（2.8x2.8mm）封裝，非常適合超薄設備。它包含電源路徑管理功能，允許系統在充電的同時由輸入源供電。此外，充電器還支援 USB OTG（On-The-Go）操作，可提供 5V/1.5A 輸出。

詳細技術參數

核心特性

• 高效 3A 充電電流，I2C 可編程
• 集成電源路徑管理，即時系統供電
• 支援 USB OTG，5V/1.5A 輸出
• 符合 JEITA 標準的電池溫度監控
• 熱調節和保護功能
• 低靜態電流（電池模式下 20 µA）
• 小型 49-DSBGA 封裝，適合空間受限設計

典型應用場景

• 智能手機和平板電腦
• 便攜式醫療設備（如血糖儀）
• 可穿戴電子設備（如智能手錶）
• 5G 基站備用電池充電器
• 汽車儀表板信息娛樂系統
• 工業手持終端

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 BQ24278YFFT 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]