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Product Overview
The INA302A1QPWRQ1 from Texas Instruments is a high-performance, automotive-grade current sense amplifier with an integrated comparator and reference. It is designed for precise current measurement in a wide range of applications, offering a common-mode voltage range from 0V to 36V, independent of the supply voltage. The device operates from a single 2.7V to 5.5V supply and features a bandwidth of 1.1MHz, making it suitable for fast overcurrent detection. Housed in a compact 14-TSSOP package, the INA302A1QPWRQ1 is qualified to AEC-Q100 standards for automotive applications.
Detailed Technical Specifications
| Parameter |
Value |
| Common-Mode Voltage Range |
0V to 36V |
| Supply Voltage |
2.7V to 5.5V |
| Bandwidth |
1.1 MHz |
| Gain |
20 V/V (fixed) |
| Offset Voltage |
±100 µV (max) |
| Gain Error |
±0.5% (max) |
| Quiescent Current |
1.8 mA (typ) |
| Operating Temperature |
-40°C to +125°C |
| Package |
14-TSSOP |
| Qualification |
AEC-Q100 |
Key Features
- Wide common-mode voltage range: 0V to 36V
- Integrated comparator with adjustable threshold
- Internal reference (1.2V)
- High accuracy: low offset and gain error
- Fast response time for overcurrent protection
- Automotive-grade: AEC-Q100 qualified
- Small 14-TSSOP package
Target Applications
- Automotive battery management systems (BMS) for electric vehicles
- Motor control in electric power steering (EPS) systems
- Overcurrent protection in 5G base station power supplies
- Current monitoring in automotive dashboard displays
- Industrial power tools and robotics
Global Supply Chain & Wholesale Solutions
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INA302A1QPWRQ1. Our core advantages include:
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with full quality assurance and traceability.
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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
INA302A1QPWRQ1 是德州儀器(TI)推出的一款高性能、車規級電流檢測放大器,內置比較器和參考電壓源。該器件可在 0V 至 36V 的寬共模電壓範圍內精確測量電流,適用於多種應用。它採用 2.7V 至 5.5V 單電源供電,帶寬為 1.1MHz,適合快速過流檢測。INA302A1QPWRQ1 採用緊湊的 14-TSSOP 封裝,並通過 AEC-Q100 汽車級認證。
詳細技術參數
| 參數 |
數值 |
| 共模電壓範圍 |
0V 至 36V |
| 電源電壓 |
2.7V 至 5.5V |
| 帶寬 |
1.1 MHz |
| 增益 |
20 V/V(固定) |
| 失調電壓 |
±100 µV(最大值) |
| 增益誤差 |
±0.5%(最大值) |
| 靜態電流 |
1.8 mA(典型值) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
14-TSSOP |
| 認證 |
AEC-Q100 |
核心特性
- 寬共模電壓範圍:0V 至 36V
- 內置比較器,閾值可調
- 內部參考電壓(1.2V)
- 高精度:低失調和增益誤差
- 快速響應時間,適用於過流保護
- 車規級:AEC-Q100 認證
- 小型 14-TSSOP 封裝
典型應用場景
- 電動汽車電池管理系統(BMS)
- 電動助力轉向(EPS)系統中的電機控制
- 5G 基站電源中的過流保護
- 汽車儀表盤顯示器的電流監控
- 工業電動工具和機器人
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