L9963E-TR ST Battery Monitor IC | 64-TQFP-EP (10x10) | 1.8V-4.2V, SPI

Product Overview

The L9963E-TR is a highly integrated battery monitoring and balancing IC from STMicroelectronics, designed for automotive and industrial applications. It supports up to 14 series-connected battery cells with individual cell voltage measurement, passive balancing, and current sensing via an external shunt resistor. The device communicates via SPI interface and operates over a wide temperature range (-40°C to +125°C). Packaged in a 64-TQFP-EP (10x10 mm) with exposed pad for enhanced thermal performance.

Detailed Technical Specifications

Key Features

• 14-cell voltage monitoring with high accuracy
• Passive balancing with external N-channel MOSFET
• Integrated current sensing amplifier
• SPI daisy-chain for multiple devices
• Built-in diagnostics (open wire, over/under voltage)
• AEC-Q100 qualified

Target Applications

• Electric vehicle (EV) battery management systems (BMS) for passenger cars like Tesla Model 3
• Energy storage systems (ESS) for solar inverters like Huawei SUN2000
• Industrial battery packs for forklifts and AGVs
• Uninterruptible power supplies (UPS) for data centers

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for L9963E-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

L9963E-TR 是意法半導體推出的高度集成電池監控和平衡 IC，適用於汽車和工業應用。它支持最多 14 節串聯電池的單體電壓測量、被動平衡以及通過外部分流電阻進行電流檢測。器件通過 SPI 接口通信，工作溫度範圍寬（-40°C 至 +125°C）。採用 64-TQFP-EP（10x10 mm）封裝，帶有裸露焊盤以增強散熱性能。

詳細技術參數

核心特性

• 14 節電壓監控，高精度
• 被動平衡，使用外部 N 溝道 MOSFET
• 集成電流檢測放大器
• SPI 菊花鏈支持多器件級聯
• 內建診斷功能（開路、過壓/欠壓）
• 通過 AEC-Q100 認證

典型應用場景

• 電動汽車（EV）電池管理系統（BMS），如特斯拉 Model 3
• 儲能系統（ESS），如華為 SUN2000 太陽能逆變器
• 工業電池組，如叉車和 AGV
• 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 L9963E-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]