L9963T-TR ST Battery Monitor IC | 16-SO | SPI, 1.8V to 4.5V

Product Overview

The L9963T-TR is a highly integrated battery monitoring and balancing IC from STMicroelectronics, designed for automotive and industrial battery management systems (BMS). It supports up to 4 series-connected cells with individual cell voltage measurement, passive balancing, and temperature monitoring. The device communicates via SPI interface and operates from a supply voltage of 1.8V to 4.5V. Packaged in a compact 16-pin SO package, it offers a cost-effective solution for accurate battery monitoring in space-constrained applications.

Detailed Technical Specifications

Key Features

• High-accuracy cell voltage measurement (1.5 mV typical)
• Passive balancing with external FET control
• Integrated temperature sensor input
• SPI interface for daisy-chain or isolated communication
• Low-power sleep mode (10 µA typical)
• Built-in diagnostics and fault detection
• AEC-Q100 qualified for automotive applications

Target Applications

• Automotive 12V/48V battery packs (e.g., start-stop systems, mild hybrid vehicles)
• Industrial battery backup systems (e.g., UPS for 5G base stations)
• Portable power tools and e-bikes
• Energy storage systems (ESS) for solar inverters
• Medical equipment battery management (e.g., portable defibrillators)

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for L9963T-TR. 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

L9963T-TR 是意法半導體推出的一款高度集成的電池監控和均衡 IC，專為汽車和工業電池管理系統（BMS）設計。它支持最多 4 節串聯電池的獨立電壓測量、被動均衡和溫度監控。該器件通過 SPI 接口通信，工作電源電壓範圍為 1.8V 至 4.5V。採用緊湊的 16 引腳 SO 封裝，為空間受限的應用提供了經濟高效的電池監控解決方案。

詳細技術參數

核心特性

• 高精度電池電壓測量（典型值 1.5 mV）
• 通過外部 FET 控制實現被動均衡
• 集成溫度傳感器輸入
• SPI 接口支持菊花鏈或隔離通信
• 低功耗休眠模式（典型值 10 µA）
• 內置診斷和故障檢測
• 通過 AEC-Q100 汽車級認證

典型應用場景

• 汽車 12V/48V 電池組（例如啟停系統、輕度混合動力車輛）
• 工業備用電池系統（例如 5G 基站的 UPS）
• 便攜式電動工具和電動自行車
• 太陽能逆變器的儲能系統（ESS）
• 醫療設備電池管理（例如便攜式除顫器）

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 L9963T-TR 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]