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Product Overview
The INA302A3QPWRQ1 from Texas Instruments is a high-performance, automotive-grade current sense amplifier designed for precise bidirectional current measurement. It features a wide common-mode voltage range from 0V to 36V, making it suitable for a variety of applications including motor control, battery management, and power monitoring. The device integrates a comparator and a reference voltage source, enabling overcurrent detection and threshold monitoring with minimal external components. Housed in a TSSOP-14 package, it operates over a temperature range of -40°C to +125°C, ensuring reliability in harsh automotive environments.
Detailed Technical Specifications
| Parameter |
Value |
| Common-Mode Voltage Range |
0V to 36V |
| Supply Voltage |
2.7V to 5.5V |
| Bandwidth |
1.1 MHz |
| Gain |
100 V/V |
| Offset Voltage |
±100 µV (max) |
| Quiescent Current |
1.8 mA (max) |
| Operating Temperature |
-40°C to +125°C |
| Package |
TSSOP-14 |
Key Features
- Bidirectional current sensing with high accuracy
- Integrated comparator with adjustable threshold
- Internal reference voltage (1.2V)
- Low offset voltage and drift
- Wide common-mode voltage range
- AEC-Q100 qualified for automotive applications
Target Applications
- Automotive motor control (e.g., electric power steering, HVAC blowers)
- Battery management systems (e.g., 12V/48V automotive batteries)
- Power distribution modules (e.g., smart junction boxes)
- Industrial automation (e.g., PLC output monitoring)
- Telecom infrastructure (e.g., 5G base station power supplies)
Global Supply Chain & Wholesale Solutions
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INA302A3QPWRQ1. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
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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
INA302A3QPWRQ1 是德州儀器推出的一款高性能車規級電流檢測放大器,專為精確的雙向電流測量而設計。它具有 0V 至 36V 的寬共模電壓範圍,適用於電機控制、電池管理和電源監控等多種應用。該器件集成了比較器和參考電壓源,能夠以最少的外部元件實現過流檢測和閾值監控。採用 TSSOP-14 封裝,工作溫度範圍為 -40°C 至 +125°C,確保在惡劣的汽車環境中的可靠性。
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 |
100 V/V |
| 失調電壓 |
±100 µV(最大值) |
| 靜態電流 |
1.8 mA(最大值) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
TSSOP-14 |
核心特性
- 雙向電流檢測,精度高
- 集成比較器,閾值可調
- 內部參考電壓(1.2V)
- 低失調電壓和漂移
- 寬共模電壓範圍
- 通過 AEC-Q100 認證,適用於汽車應用
典型應用場景
- 汽車電機控制(例如電動助力轉向、HVAC 鼓風機)
- 電池管理系統(例如 12V/48V 汽車電池)
- 電源分配模塊(例如智能接線盒)
- 工業自動化(例如 PLC 輸出監控)
- 電信基礎設施(例如 5G 基站電源)
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