BQ24640RVAR TI Battery Charger IC | 16-VQFN (3.5x3.5) | 1-6 Cell Li-Ion, 4A

Product Overview

The BQ24640RVAR is a highly integrated, switch-mode battery charge management IC from Texas Instruments, designed for 1-6 cell Li-Ion or Li-Polymer battery packs. It features a programmable charge current up to 4A and operates from a wide input voltage range of 4.5V to 28V. The device is housed in a compact 16-pin VQFN package (3.5mm x 3.5mm), making it ideal for space-constrained applications. With high efficiency, accurate voltage regulation, and comprehensive protection features, the BQ24640RVAR simplifies charger design for portable electronics, industrial equipment, and power tools.

Detailed Technical Specifications

Key Features

• High-efficiency synchronous buck converter with integrated MOSFETs
• Programmable charge current and voltage via external resistors
• Accurate voltage regulation (±0.5%) for safe charging
• Automatic charge termination with low battery detection
• NTC thermistor input for temperature monitoring
• Status outputs: charge enable, power good, and charge status
• Built-in protection: overvoltage, overcurrent, thermal shutdown, and battery detection
• Small footprint: 16-pin VQFN (3.5mm x 3.5mm)

Target Applications

• Portable electronics: smartphones, tablets, digital cameras
• Industrial equipment: handheld terminals, barcode scanners, portable medical devices
• Power tools: cordless drills, screwdrivers, garden tools
• 5G base station backup battery chargers
• Automotive dashboards and infotainment systems
• Uninterruptible power supplies (UPS) for small systems

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for BQ24640RVAR. 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

BQ24640RVAR 是德州儀器（TI）推出的一款高度集成的開關模式電池充電管理 IC，專為 1-6 節鋰離子或鋰聚合物電池組設計。它支援高達 4A 的可編程充電電流，並在 4.5V 至 28V 的寬輸入電壓範圍內工作。該器件採用緊湊的 16 引腳 VQFN 封裝（3.5mm x 3.5mm），非常適合空間受限的應用。憑藉高效率、精確的電壓調節和全面的保護功能，BQ24640RVAR 簡化了便攜式電子設備、工業設備和電動工具的充電器設計。

詳細技術參數

核心特性

• 高效率同步降壓轉換器，集成 MOSFET
• 通過外部電阻可編程充電電流和電壓
• 精確的電壓調節（±0.5%），確保安全充電
• 自動充電終止，帶低電池檢測
• NTC 熱敏電阻輸入，用於溫度監控
• 狀態輸出：充電使能、電源正常和充電狀態
• 內置保護：過壓、過流、熱關斷和電池檢測
• 小尺寸：16 引腳 VQFN（3.5mm x 3.5mm）

典型應用場景

• 便攜式電子設備：智能手機、平板電腦、數碼相機
• 工業設備：手持終端、條碼掃描器、便攜醫療設備
• 電動工具：無繩電鑽、螺絲刀、園林工具
• 5G 基站備用電池充電器
• 汽車儀表盤和信息娛樂系統
• 小型系統的不間斷電源（UPS）

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 BQ24640RVAR 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]