BQ26221PW TI Battery Monitor IC | 8-TSSOP | 2.5V-4.5V, 1-Cell Li-Ion

Product Overview

The BQ26221PW is a high-performance battery monitor IC from Texas Instruments, designed for single-cell Li-Ion or Li-Polymer battery packs. It integrates a precision voltage reference, a current-sense amplifier, and a 16-bit delta-sigma ADC to provide accurate measurements of battery voltage, current, and temperature. The device communicates via the HDQ one-wire interface, enabling simple integration into portable electronics. Packaged in an 8-pin TSSOP, it offers a compact solution for battery management systems.

Detailed Technical Specifications

Key Features

• Precision voltage and current measurement for accurate fuel gauging
• Low power consumption: < 10 µA in sleep mode
• Integrated temperature sensor
• Programmable alarm thresholds for voltage, current, and temperature
• Small footprint: 8-pin TSSOP package

Target Applications

• Smartphones and tablets
• Portable medical devices (e.g., glucose meters, pulse oximeters)
• 5G base station backup battery monitoring
• Electric vehicle (EV) battery management systems (BMS)
• Industrial handheld terminals

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for BQ26221PW. 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

BQ26221PW 是德州儀器（TI）推出的一款高性能電池監控 IC，專為單節鋰離子或鋰聚合物電池組設計。它集成了精密電壓基準、電流檢測放大器和 16 位 Δ-Σ ADC，可準確測量電池電壓、電流和溫度。該器件通過 HDQ 單線接口通信，便於集成到便攜式電子設備中。採用 8 引腳 TSSOP 封裝，為電池管理系統提供了緊湊的解決方案。

詳細技術參數

核心特性

• 精確的電壓和電流測量，實現準確的電量計量
• 低功耗：休眠模式下 < 10 µA
• 集成溫度傳感器
• 可編程報警閾值（電壓、電流、溫度）
• 小尺寸：8 引腳 TSSOP 封裝

典型應用場景

• 智能手機和平板電腦
• 便攜式醫療設備（如血糖儀、脈搏血氧儀）
• 5G 基站備用電池監控
• 電動汽車（EV）電池管理系統（BMS）
• 工業手持終端

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 BQ26221PW 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]