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Product Overview
The EMB1428QSQ/NOPB from Texas Instruments is a high-performance battery monitor and protector IC designed for multi-cell lithium-ion battery packs. It supports up to 12 series-connected cells with integrated balancing and protection features. Housed in a compact 48-WQFN (7x7) package, it offers precise voltage measurement, overvoltage/undervoltage protection, and I2C communication for data readout and configuration.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Cells |
Up to 12 series |
| Voltage Measurement Accuracy |
±10 mV |
| Operating Voltage Range |
4.5 V to 36 V |
| Communication Interface |
I2C (up to 400 kHz) |
| Balancing Current |
Up to 50 mA (external FET) |
| Protection Features |
Overvoltage, undervoltage, overtemperature, short circuit |
| Package |
48-WQFN (7x7 mm) |
| Operating Temperature |
-40°C to +85°C |
Key Features
- Supports up to 12 series Li-ion cells
- High accuracy voltage measurement (±10 mV)
- Integrated cell balancing control
- I2C interface for easy configuration
- Comprehensive protection: OV, UV, OT, SC
- Low power consumption
- Small footprint 48-WQFN package
Target Applications
- Electric vehicles (EV) and hybrid electric vehicles (HEV) battery management systems
- Energy storage systems (ESS) for solar and wind power
- Uninterruptible power supplies (UPS)
- Power tools and garden equipment
- 5G base station backup batteries
- Medical equipment battery packs
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
EMB1428QSQ/NOPB. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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In-stock Inventory, Same-day Shipping: We maintain localized stock;
orders confirmed before 4 PM are shipped the same day.
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HK-SZ Synergy, Flexible Settlement: Direct global shipping from
Shenzhen with support for HK bank transfers and multi-currency.
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Escrow Secured Transactions: We support Escrow.com for secure
transactions, ensuring peace of mind for batch orders.
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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.
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100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
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RoHS Compliant: All electronic components comply with international
environmental and safety standards.
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
EMB1428QSQ/NOPB 是德州儀器(TI)推出的一款高性能電池監控與保護 IC,專為多節鋰離子電池組設計。它支持最多 12 節串聯電池,並集成均衡和保護功能。採用緊湊的 48-WQFN(7x7)封裝,提供精確的電壓測量、過壓/欠壓保護以及 I2C 通訊接口,用於數據讀取和配置。
詳細技術參數
| 參數 |
數值 |
| 電池節數 |
最多 12 節串聯 |
| 電壓測量精度 |
±10 mV |
| 工作電壓範圍 |
4.5 V 至 36 V |
| 通訊接口 |
I2C(最高 400 kHz) |
| 均衡電流 |
最高 50 mA(外部 FET) |
| 保護功能 |
過壓、欠壓、過溫、短路 |
| 封裝 |
48-WQFN(7x7 mm) |
| 工作溫度 |
-40°C 至 +85°C |
核心特性
- 支持最多 12 節串聯鋰離子電池
- 高精度電壓測量(±10 mV)
- 集成電池均衡控制
- I2C 接口,易於配置
- 全面保護:過壓、欠壓、過溫、短路
- 低功耗
- 小巧的 48-WQFN 封裝
典型應用場景
- 電動汽車(EV)和混合動力汽車(HEV)電池管理系統
- 太陽能和風能儲能系統(ESS)
- 不間斷電源(UPS)
- 電動工具和園林設備
- 5G 基站備用電池
- 醫療設備電池組
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 EMB1428QSQ/NOPB 提供全面的供應鏈與批發解決方案。
我們的核心優勢包括:
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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。
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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。
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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。
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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。
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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。
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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。
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