BQ21040DBVT TI Battery Charger IC | SOT-23-6 | 4.2V, 800mA

Product Overview

The BQ21040DBVT is a highly integrated Li-Ion and Li-Polymer linear battery charger IC from Texas Instruments. It is designed for space-constrained portable applications, offering a compact SOT-23-6 package. The device features a constant-current/constant-voltage (CC/CV) charging profile with a programmable charge current up to 800 mA. It includes automatic charge termination, preconditioning, and temperature monitoring for safe and efficient charging.

Detailed Technical Specifications

Key Features

• Linear charger with CC/CV profile
• Programmable charge current up to 800 mA
• Automatic charge termination and preconditioning
• Thermal regulation and protection
• Reverse leakage protection
• Small SOT-23-6 package

Target Applications

• Portable consumer electronics: Bluetooth headsets, smartwatches, fitness trackers
• Medical devices: glucose monitors, portable diagnostic equipment
• Industrial IoT: wireless sensors, data loggers
• 5G base station auxiliary power: backup battery charging for small cells
• Automotive dashboard: infotainment system backup battery

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for BQ21040DBVT. 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

BQ21040DBVT 是德州儀器 (TI) 推出的一款高度集成的鋰離子/鋰聚合物線性電池充電器 IC，採用緊湊的 SOT-23-6 封裝，專為空間受限的便攜式應用設計。該器件支持恆流/恆壓 (CC/CV) 充電模式，可編程充電電流高達 800 mA，並具備自動充電終止、預處理和溫度監控功能，確保安全高效的充電。

詳細技術參數

核心特性

• 線性充電器，CC/CV 充電模式
• 可編程充電電流高達 800 mA
• 自動充電終止和預處理
• 熱調節和保護
• 反向漏電保護
• 小型 SOT-23-6 封裝

典型應用場景

• 便攜式消費電子：藍牙耳機、智能手錶、健身追踪器
• 醫療設備：血糖監測儀、便攜式診斷設備
• 工業物聯網：無線傳感器、數據記錄儀
• 5G 基站輔助電源：小型基站備用電池充電
• 汽車儀表板：信息娛樂系統備用電池

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 BQ21040DBVT 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]