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Product Overview
The LM2903BHQDGKRQ1 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 from 2 V to 36 V (single supply) or ±1 V to ±18 V (dual supply). Housed in an 8-VSSOP package, this device is AEC-Q100 qualified for automotive reliability.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (Single) |
2 V to 36 V |
| Supply Voltage (Dual) |
±1 V to ±18 V |
| Input Offset Voltage |
±1 mV (typical) |
| Supply Current (per comparator) |
0.4 mA (typical) |
| Response Time |
1.3 µs (typical) |
| Operating Temperature |
-40°C to +125°C |
| Package |
8-VSSOP |
Key Features
- Dual comparator with low offset voltage
- Wide supply voltage range
- Low supply current: 0.4 mA per comparator
- Open-collector outputs for wired-AND connection
- Automotive grade: AEC-Q100 qualified
- ESD protection: 2 kV HBM
Target Applications
- Automotive: Battery management systems, motor control, and sensor interfaces in electric vehicles (e.g., Tesla Model 3 battery pack monitoring)
- Industrial: Overcurrent detection in 5G base station power supplies (e.g., Nokia AirScale base station)
- Consumer: Window comparators for temperature sensing in smart home devices (e.g., Nest thermostat)
- Medical: Pulse oximeter signal conditioning (e.g., Masimo Rad-7)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM2903BHQDGKRQ1. 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
LM2903BHQDGKRQ1 是德州儀器推出的雙通道差分比較器,專為汽車和工業應用設計。它具有低失調電壓、低電源電流,並可在 2 V 至 36 V(單電源)或 ±1 V 至 ±18 V(雙電源)的寬電源範圍內工作。該器件採用 8-VSSOP 封裝,通過 AEC-Q100 汽車級認證,確保高可靠性。
詳細技術參數
| 參數 |
數值 |
| 電源電壓(單電源) |
2 V 至 36 V |
| 電源電壓(雙電源) |
±1 V 至 ±18 V |
| 輸入失調電壓 |
±1 mV(典型值) |
| 電源電流(每通道) |
0.4 mA(典型值) |
| 響應時間 |
1.3 µs(典型值) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
8-VSSOP |
核心特性
- 雙通道比較器,低失調電壓
- 寬電源電壓範圍
- 低電源電流:每通道 0.4 mA
- 開集電極輸出,支持線與連接
- 汽車級認證:AEC-Q100
- ESD 保護:2 kV HBM
典型應用場景
- 汽車:電動汽車電池管理系統、電機控制和傳感器接口(例如特斯拉 Model 3 電池組監控)
- 工業:5G 基站電源中的過流檢測(例如諾基亞 AirScale 基站)
- 消費電子:智能家居設備溫度感測的窗口比較器(例如 Nest 恆溫器)
- 醫療:脈搏血氧儀信號調理(例如 Masimo Rad-7)
環球供應鏈與批發合作夥伴方案
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我們的核心優勢包括:
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