BQ25121AYFPT TI Battery Charger IC | 25-DSBGA | 1-Cell Li-Ion, 500mA

Product Overview

The BQ25121AYFPT from Texas Instruments is a highly integrated battery charge management IC designed for 1-cell Li-Ion and Li-Polymer batteries. Housed in a compact 25-DSBGA package, it offers a programmable charge current up to 500 mA, making it ideal for space-constrained portable applications. The device integrates a power path management system, allowing the system to be powered directly from the input source while charging the battery, and supports a wide input voltage range of 3.4 V to 5.5 V.

Detailed Technical Specifications

Key Features

• Integrated power path management for instant system power
• Programmable charge current via I2C
• Low quiescent current (10 µA typical)
• Thermal regulation and protection
• Small footprint 25-DSBGA package

Target Applications

• Portable medical devices (e.g., glucose meters, pulse oximeters)
• Wearable electronics (e.g., smartwatches, fitness trackers)
• Wireless earbuds and charging cases
• IoT sensors and modules
• 5G base station auxiliary power management
• Automotive dashboard infotainment systems

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for BQ25121AYFPT. 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

BQ25121AYFPT 是德州儀器推出的一款高度集成的電池充電管理 IC，專為單節鋰離子和鋰聚合物電池設計。採用緊湊的 25-DSBGA 封裝，提供高達 500 mA 的可編程充電電流，非常適合空間受限的便攜式應用。該器件集成了電源路徑管理系統，允許系統在充電的同時直接由輸入源供電，並支持 3.4 V 至 5.5 V 的寬輸入電壓範圍。

詳細技術參數

核心特性

• 集成電源路徑管理，實現即時系統供電
• 通過 I2C 可編程充電電流
• 低靜態電流（典型值 10 µA）
• 熱調節和保護
• 小型 25-DSBGA 封裝

典型應用場景

• 便攜式醫療設備（如血糖儀、脈搏血氧儀）
• 可穿戴電子設備（如智能手錶、健身追蹤器）
• 無線耳機及充電盒
• 物聯網傳感器和模塊
• 5G 基站輔助電源管理
• 汽車儀表盤信息娛樂系統

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 BQ25121AYFPT 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.
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