BQ27621YZFT-G1A TI Battery Fuel Gauge | 9-DSBGA | I2C, Impedance Track

Product Overview

The BQ27621YZFT-G1A is a single-cell Li-Ion battery fuel gauge IC from Texas Instruments, packaged in a compact 9-DSBGA (0.8mm x 0.8mm). It integrates TI's proprietary Impedance Track™ technology for accurate state-of-charge (SOC) reporting over the battery's lifetime. The device communicates via I2C interface and operates from 2.45V to 4.5V supply voltage. It is designed for portable applications requiring precise battery monitoring with minimal PCB footprint.

Detailed Technical Specifications

Key Features

• Impedance Track™ technology for accurate SOC and run-time prediction
• Low power consumption: 15 µA active, 0.5 µA sleep
• I2C interface for data readout and configuration
• Integrated temperature sensing
• Small 9-DSBGA package saves board space
• Supports battery health monitoring and cycle count

Target Applications

• Smartphones and tablets
• Wearable devices (e.g., smartwatches, fitness bands)
• Portable medical devices (e.g., glucose meters, pulse oximeters)
• Wireless headphones and earbuds
• IoT sensors and modules
• 5G base station backup battery monitoring
• Automotive dashboard battery backup

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for BQ27621YZFT-G1A. 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

BQ27621YZFT-G1A 是德州儀器（TI）推出的一款單節鋰離子電池電量計IC，採用緊湊的9-DSBGA封裝（0.8mm x 0.8mm）。它集成了TI專有的Impedance Track™技術，可在電池整個使用壽命內準確報告電量狀態（SOC）。該器件通過I2C接口通信，工作電壓範圍為2.45V至4.5V。專為需要精確電池監控且PCB佔用空間極小的便攜式應用而設計。

詳細技術參數

核心特性

• Impedance Track™ 技術，實現準確的SOC和續航時間預測
• 低功耗：工作模式15 µA，休眠模式0.5 µA
• I2C接口，用於數據讀取和配置
• 集成溫度檢測
• 小巧的9-DSBGA封裝，節省電路板空間
• 支持電池健康監測和循環計數

典型應用場景

• 智能手機和平板電腦
• 可穿戴設備（如智能手錶、健身手環）
• 便攜式醫療設備（如血糖儀、脈搏血氧儀）
• 無線耳機和耳塞
• 物聯網傳感器和模塊
• 5G基站備用電池監控
• 汽車儀表盤電池備份

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 BQ27621YZFT-G1A 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]