BQ25176MDSGR TI Battery Charger IC | 8-WSON (2x2) | 1-Cell Li-Ion, 500mA

Product Overview

The BQ25176MDSGR from Texas Instruments is a highly integrated linear battery charger IC designed for 1-cell Li-Ion and Li-Polymer batteries. It operates from a 3.0V to 6.0V input voltage range and delivers up to 500mA charge current. The device is housed in a compact 8-pin WSON (2x2 mm) package, making it ideal for space-constrained applications. It features a programmable charge current, charge termination, and a variety of safety features including thermal regulation and battery temperature monitoring.

Detailed Technical Specifications

Key Features

• Integrated power FET and current sensor
• Programmable charge current via external resistor
• Charge status output (CHG) for LED or host interface
• Thermal regulation to maximize charge rate without overheating
• Battery temperature monitoring using NTC thermistor
• Reverse current protection to prevent battery discharge
• Low quiescent current: 1.5µA (typical) in standby

Target Applications

• Portable medical devices (e.g., glucose meters, pulse oximeters)
• Wearable electronics (e.g., smartwatches, fitness bands)
• Wireless headphones and earbuds
• IoT sensors and smart home devices
• Small-form-factor battery-powered equipment

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for BQ25176MDSGR. 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

BQ25176MDSGR 是德州儀器（TI）推出的一款高度集成的線性電池充電器 IC，專為單節鋰離子（Li-Ion）和鋰聚合物（Li-Polymer）電池設計。其輸入電壓範圍為 3.0V 至 6.0V，最大充電電流可達 500mA。該器件採用緊湊的 8 引腳 WSON（2x2 mm）封裝，非常適合空間受限的應用。它具備可編程充電電流、充電終止功能以及多種安全特性，包括熱調節和電池溫度監測。

詳細技術參數

核心特性

• 集成功率 FET 和電流傳感器
• 通過外部電阻可編程充電電流
• 充電狀態輸出（CHG），用於 LED 或主機接口
• 熱調節功能，在不超過溫度限制的情況下最大化充電速率
• 使用 NTC 熱敏電阻進行電池溫度監測
• 反向電流保護，防止電池放電
• 靜態電流低：待機時典型值 1.5µA

典型應用場景

• 便攜式醫療設備（如血糖儀、脈搏血氧儀）
• 可穿戴電子產品（如智能手錶、健身手環）
• 無線耳機和耳塞
• 物聯網傳感器和智能家居設備
• 小型電池供電設備

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 BQ25176MDSGR 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。
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• 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
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