L9961TR ST Battery Management IC | 32-VFQFPN (5x5) | 1.8V-4.5V, I2C

Product Overview

The L9961TR from STMicroelectronics is a highly integrated battery management IC designed for single-cell Li-Ion and Li-Polymer battery packs. Housed in a compact 32-VFQFPN (5x5) package, it provides accurate voltage, current, and temperature monitoring, along with protection features such as overvoltage, undervoltage, overcurrent, and short-circuit detection. The device communicates via I2C interface, enabling easy integration into portable and industrial applications.

Detailed Technical Specifications

Key Features

• Integrated Coulomb counter for fuel gauging
• Programmable protection thresholds
• Low quiescent current for battery-powered devices
• Built-in NTC thermistor support
• I2C interface with CRC for reliable communication
• Compact 5x5 mm package for space-constrained designs

Target Applications

• 5G base station backup battery management
• Portable medical devices (e.g., glucose meters, infusion pumps)
• Industrial handheld terminals (e.g., barcode scanners, PDAs)
• Smart home sensors (e.g., thermostats, smoke detectors)
• Electric vehicle (EV) auxiliary battery monitoring
• Power tools and cordless vacuum cleaners

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for L9961TR. 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

L9961TR 是意法半導體推出的一款高度集成的電池管理 IC，專為單節鋰離子和鋰聚合物電池組設計。採用緊湊的 32-VFQFPN（5x5）封裝，提供精確的電壓、電流和溫度監測，以及過壓、欠壓、過流和短路檢測等保護功能。該器件通過 I2C 接口通信，便於集成到便攜式和工業應用中。

詳細技術參數

核心特性

• 集成庫侖計數器，用於電量計量
• 可編程保護閾值
• 低靜態電流，適合電池供電設備
• 內置 NTC 熱敏電阻支持
• 帶 CRC 的 I2C 接口，確保通信可靠
• 緊湊的 5x5 mm 封裝，適合空間受限設計

典型應用場景

• 5G 基站備用電池管理
• 便攜式醫療設備（如血糖儀、輸液泵）
• 工業手持終端（如條碼掃描器、PDA）
• 智能家居傳感器（如恆溫器、煙霧探測器）
• 電動汽車（EV）輔助電池監測
• 電動工具和無繩吸塵器

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 L9961TR 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]