BQ29740DSER TI Battery Protection IC | 6-WSON (1.5X1.5) | 1-Cell Li-Ion, Overcurrent Protection

Product Overview

The BQ29740DSER from Texas Instruments is a highly integrated, single-cell lithium-ion battery protection IC designed to prevent overcharge, overdischarge, and overcurrent conditions. It is housed in a compact 6-pin WSON package (1.5mm x 1.5mm) making it ideal for space-constrained applications. The device monitors battery voltage and current, and provides protection thresholds that are factory-programmed to ensure accurate and reliable operation.

Detailed Technical Specifications

Key Features

• Single-cell lithium-ion or lithium-polymer battery protection
• Overcharge, overdischarge, and overcurrent protection with programmable thresholds
• Low quiescent current (3 µA typical) for extended battery life
• Compact 6-pin WSON package (1.5mm x 1.5mm) for space-constrained designs
• Internal charge and discharge FET control
• Automatic recovery after fault conditions

Target Applications

• Portable electronics: smartphones, tablets, Bluetooth headsets
• Wearable devices: smartwatches, fitness trackers
• Medical devices: glucose monitors, portable diagnostic equipment
• Industrial IoT sensors: wireless temperature sensors, asset trackers
• 5G base station backup battery packs
• Automotive dashboard cameras and GPS trackers

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for BQ29740DSER. 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

BQ29740DSER 是德州儀器（TI）推出的一款高度集成的單節鋰離子電池保護IC，旨在防止過充、過放和過流情況。它採用緊湊的6引腳WSON封裝（1.5mm x 1.5mm），非常適合空間受限的應用。該器件監測電池電壓和電流，並提供出廠編程的保護閾值，以確保準確可靠的運行。

詳細技術參數

核心特性

• 單節鋰離子或鋰聚合物電池保護
• 過充、過放和過流保護，閾值可編程
• 低靜態電流（典型值3 µA），延長電池壽命
• 緊湊的6引腳WSON封裝（1.5mm x 1.5mm），適合空間受限設計
• 內置充電和放電FET控制
• 故障條件後自動恢復

典型應用場景

• 便攜式電子產品：智能手機、平板電腦、藍牙耳機
• 可穿戴設備：智能手錶、健身追蹤器
• 醫療設備：血糖監測儀、便攜式診斷設備
• 工業物聯網傳感器：無線溫度傳感器、資產追蹤器
• 5G基站備用電池組
• 汽車行車記錄儀和GPS追蹤器

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 BQ29740DSER 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]