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Product Overview
The LM2903BTQDGKRQ1 is a dual differential comparator from Texas Instruments, designed for automotive and industrial applications. It operates from a single power supply over a wide voltage range of 2.0V to 36V (or ±1.0V to ±18V for dual supplies) and features low supply current (0.4 mA per comparator typical). The device is qualified to AEC-Q100 for automotive applications and is available in a small 8-VSSOP package.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage Range |
2.0V to 36V (single), ±1.0V to ±18V (dual) |
| Supply Current (per comparator) |
0.4 mA typical |
| Input Offset Voltage |
±7 mV maximum at 25°C |
| Input Bias Current |
25 nA typical |
| Response Time |
1.3 µs typical (5 mV overdrive) |
| Output Type |
Open-collector |
| Operating Temperature Range |
-40°C to +125°C |
| Package |
8-VSSOP |
Key Features
- Qualified for automotive applications (AEC-Q100)
- Wide supply voltage range
- Low supply current
- Low input offset voltage
- Open-collector output for wired-AND connection
- Available in small 8-VSSOP package
Target Applications
- Automotive: Battery management systems (BMS), motor control, and sensor interfaces in electric vehicles (EV) and hybrid electric vehicles (HEV)
- Industrial: Overcurrent detection in power supplies, window comparators for monitoring voltage levels
- Consumer: Battery-powered devices requiring low-power comparators
- Specific examples: 5G base station power supply monitoring, automotive dashboard warning systems, and industrial PLC input modules
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM2903BTQDGKRQ1. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
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orders confirmed before 4 PM are shipped the same day.
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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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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
LM2903BTQDGKRQ1 是德州儀器 (TI) 的一款雙路差分比較器,專為汽車和工業應用設計。它可在 2.0V 至 36V(單電源)或 ±1.0V 至 ±18V(雙電源)的寬電源電壓範圍內工作,並具有低電源電流(每個比較器典型值 0.4 mA)。該器件符合 AEC-Q100 汽車應用標準,採用小型 8-VSSOP 封裝。
詳細技術參數
| 參數 |
數值 |
| 電源電壓範圍 |
2.0V 至 36V(單電源),±1.0V 至 ±18V(雙電源) |
| 電源電流(每路比較器) |
典型值 0.4 mA |
| 輸入失調電壓 |
25°C 時最大 ±7 mV |
| 輸入偏置電流 |
典型值 25 nA |
| 響應時間 |
典型值 1.3 µs(5 mV 過驅動) |
| 輸出類型 |
開集電極 |
| 工作溫度範圍 |
-40°C 至 +125°C |
| 封裝 |
8-VSSOP |
核心特性
- 符合汽車應用標準 (AEC-Q100)
- 寬電源電壓範圍
- 低電源電流
- 低輸入失調電壓
- 開集電極輸出,支持線與連接
- 採用小型 8-VSSOP 封裝
典型應用場景
- 汽車:電動車 (EV) 和混合動力車 (HEV) 中的電池管理系統 (BMS)、電機控制和傳感器接口
- 工業:電源中的過流檢測、用於監控電壓水平的窗口比較器
- 消費類:需要低功耗比較器的電池供電設備
- 具體示例:5G 基站電源監控、汽車儀表盤報警系統、工業 PLC 輸入模塊
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