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Product Overview
The LM2903BQDRQ1 is a dual differential comparator from Texas Instruments, designed for automotive and industrial applications. It features low offset voltage, low supply current, and operates over a wide supply range of 2V to 36V (single supply) or ±1V to ±18V (dual supply). The device is qualified to AEC-Q100 for automotive applications and is available in an 8-pin SOIC package.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (Single) |
2V to 36V |
| Supply Voltage (Dual) |
±1V to ±18V |
| Input Offset Voltage |
±1mV (typical) |
| Input Bias Current |
25nA (typical) |
| Response Time |
1.3μs (typical) |
| Output Current |
±6mA |
| Operating Temperature |
-40°C to +125°C |
| Package |
8-SOIC |
Key Features
- Dual comparator with low offset voltage
- Wide supply voltage range
- Low supply current: 0.4mA per comparator
- Open-collector outputs for wired-AND connection
- Automotive grade (AEC-Q100 qualified)
- ESD protection: 2kV HBM
Target Applications
- Automotive: Battery management systems, motor control, and dashboard warning circuits
- Industrial: Overvoltage/undervoltage detection, window comparators, and sensor interfaces
- Consumer: Power supply monitoring and threshold detection
- Specific examples: 5G base station power monitoring, electric vehicle battery pack voltage monitoring, and automotive LED lighting control
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM2903BQDRQ1. 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
LM2903BQDRQ1 是德州儀器推出的雙路差分比較器,專為汽車和工業應用設計。它具有低失調電壓、低電源電流,並支持 2V 至 36V(單電源)或 ±1V 至 ±18V(雙電源)的寬電源範圍。該器件通過 AEC-Q100 汽車級認證,採用 8 引腳 SOIC 封裝。
詳細技術參數
| 參數 |
數值 |
| 電源電壓(單電源) |
2V 至 36V |
| 電源電壓(雙電源) |
±1V 至 ±18V |
| 輸入失調電壓 |
±1mV(典型值) |
| 輸入偏置電流 |
25nA(典型值) |
| 響應時間 |
1.3μs(典型值) |
| 輸出電流 |
±6mA |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
8-SOIC |
核心特性
- 雙路比較器,低失調電壓
- 寬電源電壓範圍
- 低電源電流:每個比較器 0.4mA
- 開集電極輸出,支持線與連接
- 汽車級(AEC-Q100 認證)
- ESD 保護:2kV HBM
典型應用場景
- 汽車:電池管理系統、電機控制、儀表盤警告電路
- 工業:過壓/欠壓檢測、窗口比較器、傳感器接口
- 消費類:電源監控和閾值檢測
- 具體示例:5G 基站電源監控、電動汽車電池組電壓監控、汽車 LED 照明控制
環球供應鏈與批發合作夥伴方案
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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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