BQ24040DSQR TI Battery Charger IC | 10-WSON (2x2) | 1A, Li-Ion/Li-Pol

Product Overview

The BQ24040DSQR from Texas Instruments is a highly integrated, single-cell Li-Ion and Li-Pol linear battery charger IC designed for space-constrained portable applications. Housed in a compact 10-WSON (2x2 mm) package, it delivers up to 1A charge current with high accuracy. The device features a power-path management architecture that allows the system to be powered from the USB or AC adapter while simultaneously charging the battery. With thermal regulation, pre-conditioning, and termination, the BQ24040 ensures safe and efficient charging.

Detailed Technical Specifications

Key Features

• Integrated power FET and current sensor
• No external blocking diode required
• Thermal regulation and protection
• Pre-conditioning for deeply discharged batteries
• Charge status output (CHG) for LED or host control
• Low dropout operation (50 mV at 1 A)
• Automatic recharge
• Battery temperature monitoring via NTC

Target Applications

• Portable medical devices (e.g., glucose meters, pulse oximeters)
• Wireless headsets and earbuds
• Smart wearables (e.g., fitness trackers, smartwatches)
• Industrial handheld terminals
• IoT sensors and modules
• 5G small cell base stations (backup battery charging)
• Automotive dashboard cameras

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for BQ24040DSQR. 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

BQ24040DSQR 是德州儀器（TI）推出的一款高度集成的單節鋰離子/鋰聚合物線性電池充電管理 IC，專為空間受限的便攜式應用設計。採用緊湊的 10-WSON（2x2 mm）封裝，可提供高達 1A 的充電電流，精度高。該器件具有電源路徑管理架構，允許系統在充電的同時由 USB 或 AC 適配器供電。憑藉熱調節、預處理和終止功能，BQ24040 確保安全高效的充電。

詳細技術參數

核心特性

• 集成功率 FET 和電流傳感器
• 無需外部阻斷二極管
• 熱調節和保護
• 深度放電電池預處理
• 充電狀態輸出（CHG），用於 LED 或主機控制
• 低壓差工作（1A 時 50 mV）
• 自動再充電
• 通過 NTC 進行電池溫度監測

典型應用場景

• 便攜式醫療設備（例如血糖儀、脈搏血氧儀）
• 無線耳機和耳塞
• 智能可穿戴設備（例如健身追蹤器、智能手錶）
• 工業手持終端
• 物聯網傳感器和模塊
• 5G 小型基站（備用電池充電）
• 汽車行車記錄儀

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 BQ24040DSQR 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]