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Product Overview
The LM74930QRGERQ1 from Texas Instruments is a high-voltage ideal diode controller designed for automotive and industrial applications. It integrates a robust N-channel MOSFET driver to emulate an ideal diode with low forward voltage drop and reverse current blocking. Operating from 3V to 65V, it supports up to 5A continuous current. The device is housed in a compact 24-pin VQFN (4x4 mm) package, making it suitable for space-constrained designs. It features overvoltage protection, reverse polarity protection, and thermal shutdown, ensuring reliable operation in harsh environments.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
3V to 65V |
| Continuous Current |
5A |
| Reverse Current Blocking |
Yes |
| Overvoltage Protection |
Adjustable |
| Operating Temperature |
-40°C to +125°C |
| Package |
24-VQFN (4x4 mm) |
| Quiescent Current |
50 µA (typical) |
| Enable Logic |
Active High |
Key Features
- Wide input voltage range: 3V to 65V
- Low forward voltage drop (ideal diode emulation)
- Reverse current blocking with fast turn-off
- Adjustable overvoltage protection
- Thermal shutdown protection
- Enable pin for on/off control
- Automotive qualified (AEC-Q100)
- Compact 4x4 mm VQFN package
Target Applications
- Automotive: 5G base station power distribution, dashboard power supply, ADAS systems
- Industrial: PLC power modules, battery protection circuits, redundant power systems
- Consumer: High-end audio equipment, power tools
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM74930QRGERQ1. 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
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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
LM74930QRGERQ1 是德州儀器推出的一款高壓理想二極管控制器,專為汽車和工業應用設計。它集成了一個強大的 N 溝道 MOSFET 驅動器,以模擬具有低正向壓降和反向電流阻斷功能的理想二極管。工作電壓範圍為 3V 至 65V,支持高達 5A 的連續電流。該器件採用緊湊的 24 引腳 VQFN(4x4 mm)封裝,適合空間受限的設計。它具有過壓保護、反極性保護和熱關斷功能,確保在惡劣環境中可靠運行。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
3V 至 65V |
| 連續電流 |
5A |
| 反向電流阻斷 |
是 |
| 過壓保護 |
可調節 |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
24-VQFN(4x4 mm) |
| 靜態電流 |
50 µA(典型值) |
| 使能邏輯 |
高電平有效 |
核心特性
- 寬輸入電壓範圍:3V 至 65V
- 低正向壓降(理想二極管模擬)
- 快速關斷的反向電流阻斷
- 可調節過壓保護
- 熱關斷保護
- 使能引腳用於開/關控制
- 通過汽車級認證(AEC-Q100)
- 緊湊的 4x4 mm VQFN 封裝
典型應用場景
- 汽車:5G 基站電源分配、儀表板電源、ADAS 系統
- 工業:PLC 電源模塊、電池保護電路、冗餘電源系統
- 消費類:高端音頻設備、電動工具
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