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Product Overview
The TLE9018DQKXUMA1 is a highly integrated 18-channel battery monitoring and balancing IC from Infineon, designed for automotive and industrial battery management systems (BMS). It supports up to 18 series-connected cells with high accuracy voltage and temperature measurement, passive cell balancing, and robust communication via daisy-chain or SPI interface. Housed in a PG-LQFP-64-28 package, this device meets ISO 26262 ASIL-D safety requirements, making it ideal for safety-critical applications.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Channels |
18 |
| Voltage Measurement Accuracy |
±2 mV (typical) |
| Cell Voltage Range |
0.5 V to 5.0 V |
| Temperature Measurement |
Internal and external NTC |
| Balancing Current |
Up to 200 mA (external FET) |
| Communication Interface |
SPI / Daisy-chain (isolated) |
| Safety Integrity Level |
ASIL-D (ISO 26262) |
| Operating Temperature |
-40°C to +125°C |
| Package |
PG-LQFP-64-28 |
Key Features
- 18-channel differential voltage measurement for Li-ion, LiFePO4, and other chemistries
- High accuracy (±2 mV) over full temperature range
- Integrated passive balancing with external FET control
- Daisy-chain communication with galvanic isolation support
- Comprehensive diagnostics: over/under voltage, temperature, communication faults
- ASIL-D compliant for automotive safety
- Low power consumption: sleep mode < 10 µA
Target Applications
- Electric vehicle (EV) battery packs (e.g., Tesla Model 3, Nissan Leaf)
- Hybrid electric vehicle (HEV) battery systems (e.g., Toyota Prius)
- Energy storage systems (ESS) for solar and grid applications
- Uninterruptible power supplies (UPS) for data centers
- Industrial battery backup for 5G base stations
- Electric forklifts and automated guided vehicles (AGVs)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TLE9018DQKXUMA1. 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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Shenzhen with support for HK bank transfers and multi-currency.
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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
TLE9018DQKXUMA1 是英飛凌推出的一款高度集成的18通道電池監控與均衡IC,專為汽車和工業電池管理系統(BMS)設計。它支持最多18節串聯電池的高精度電壓和溫度測量、被動電池均衡,並通過菊花鏈或SPI接口實現穩健通信。該器件採用PG-LQFP-64-28封裝,符合ISO 26262 ASIL-D安全要求,非常適合安全關鍵型應用。
詳細技術參數
| 參數 |
數值 |
| 通道數 |
18 |
| 電壓測量精度 |
±2 mV(典型值) |
| 電池電壓範圍 |
0.5 V 至 5.0 V |
| 溫度測量 |
內部及外部NTC |
| 均衡電流 |
最高200 mA(外部FET) |
| 通信接口 |
SPI / 菊花鏈(隔離) |
| 安全完整性等級 |
ASIL-D(ISO 26262) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
PG-LQFP-64-28 |
核心特性
- 18通道差分電壓測量,適用於鋰離子、磷酸鐵鋰等化學體系
- 全溫度範圍內高精度(±2 mV)
- 集成被動均衡,支持外部FET控制
- 菊花鏈通信,支持隔離
- 全面診斷:過壓/欠壓、溫度、通信故障
- 符合ASIL-D汽車安全標準
- 低功耗:休眠模式 < 10 µA
典型應用場景
- 電動汽車(EV)電池包(例如特斯拉Model 3、日產Leaf)
- 混合動力汽車(HEV)電池系統(例如豐田Prius)
- 太陽能和電網儲能系統(ESS)
- 數據中心不間斷電源(UPS)
- 5G基站工業備用電池
- 電動叉車和自動導引車(AGV)
環球供應鏈與批發合作夥伴方案
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