BQ4050RSMR TI Battery Management IC | 32-VQFN (4x4) | 1-4 Cell, SBS 1.1

Product Overview

The BQ4050RSMR is a highly integrated, single-chip battery management solution from Texas Instruments, designed for 1-4 cell Li-ion and Li-Polymer battery packs. It provides accurate fuel gauging, protection, and authentication in a compact 32-VQFN (4x4 mm) package. The device supports the Smart Battery System (SBS) 1.1 protocol and communicates via I2C and HDQ interfaces.

Detailed Technical Specifications

Key Features

• Impedance Track™ fuel gauge for accurate state-of-charge (SOC) and state-of-health (SOH) reporting
• Integrated protection for overvoltage, undervoltage, overcurrent, short-circuit, and overtemperature
• SBS 1.1 compliant with I2C and HDQ interfaces
• SHA-1 authentication for battery pack security
• Low power consumption: < 1 µA in sleep mode
• Compact 32-VQFN package for space-constrained designs

Target Applications

• 5G base station backup batteries
• Electric vehicle (EV) battery management systems
• Portable medical devices (e.g., defibrillators, infusion pumps)
• Industrial handheld terminals and barcode scanners
• High-end power tools and garden equipment
• Uninterruptible power supplies (UPS) for data centers

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for BQ4050RSMR. 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

BQ4050RSMR 是德州儀器（TI）推出的一款高度集成的單芯片電池管理解決方案，適用於 1-4 節鋰離子和鋰聚合物電池組。它提供精確的電量計量、保護和認證功能，採用緊湊的 32-VQFN（4x4 mm）封裝。該器件支持智能電池系統（SBS）1.1 協議，並通過 I2C 和 HDQ 接口進行通信。

詳細技術參數

核心特性

• Impedance Track™ 電量計算法，精確報告荷電狀態（SOC）和健康狀態（SOH）
• 集成過壓、欠壓、過流、短路和過溫保護
• 符合 SBS 1.1 標準，支持 I2C 和 HDQ 接口
• SHA-1 認證確保電池組安全
• 低功耗：休眠模式下 < 1 µA
• 緊湊的 32-VQFN 封裝，適合空間受限的設計

典型應用場景

• 5G 基站備用電池
• 電動汽車（EV）電池管理系統
• 便攜式醫療設備（如除顫器、輸液泵）
• 工業手持終端和條碼掃描器
• 高端電動工具和園林設備
• 數據中心不間斷電源（UPS）

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 BQ4050RSMR 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]