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Product Overview
The LM74912QRGERQ1 is a high-voltage ideal diode controller from Texas Instruments, 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 features overvoltage protection, reverse polarity protection, and thermal shutdown, making it ideal for power ORing, reverse battery protection, and load switch applications.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
3V to 65V |
| Continuous Current |
5A |
| Forward Voltage Drop |
20mV typical at 1A |
| Reverse Leakage Current |
<1µA |
| Operating Temperature |
-40°C to +125°C |
| Package |
24-VQFN (4x4mm) |
| Protection Features |
Overvoltage, Reverse Polarity, Thermal Shutdown |
Key Features
- Wide input voltage range: 3V to 65V
- Low forward voltage drop: 20mV at 1A
- Reverse current blocking with <1µA leakage
- Overvoltage protection up to 65V
- Reverse polarity protection
- Thermal shutdown
- Enable and fault indication
- AEC-Q100 qualified for automotive
Target Applications
- Automotive: 5G base station power distribution, dashboard power supply, ADAS systems
- Industrial: PLC power ORing, battery backup systems, server power supplies
- Consumer: Power bank reverse protection, USB-C power delivery
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM74912QRGERQ1. 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
LM74912QRGERQ1 是德州儀器的一款高壓理想二極體控制器,專為汽車和工業應用設計。它整合了強大的 N 通道 MOSFET 驅動器,以模擬具有低正向壓降和反向電流阻斷的理想二極體。工作電壓範圍為 3V 至 65V,支援高達 5A 的連續電流。該器件具有過壓保護、反極性保護和熱關斷功能,非常適合電源 ORing、反極性保護和負載開關應用。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
3V 至 65V |
| 連續電流 |
5A |
| 正向壓降 |
1A 時典型值 20mV |
| 反向漏電流 |
<1µA |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
24-VQFN(4x4mm) |
| 保護功能 |
過壓、反極性、熱關斷 |
核心特性
- 寬輸入電壓範圍:3V 至 65V
- 低正向壓降:1A 時 20mV
- 反向電流阻斷,漏電流 <1µA
- 過壓保護高達 65V
- 反極性保護
- 熱關斷
- 使能和故障指示
- 通過 AEC-Q100 汽車認證
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 ORing、電池備份系統、伺服器電源
- 消費電子:行動電源反極性保護、USB-C 電源傳輸
環球供應鏈與批發合作夥伴方案
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