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Product Overview
The LM74722QDRRRQ1 is a high-voltage ideal diode controller from Texas Instruments, designed for automotive and industrial applications. It provides reverse polarity protection and OR-ing of multiple power supplies with minimal power loss. The device operates over a wide input voltage range of 3.2V to 65V and can drive an external N-channel MOSFET to emulate an ideal diode. Its low quiescent current (50 µA typical) and fast transient response make it suitable for battery-powered and high-reliability systems.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
3.2V to 65V |
| Maximum Continuous Current |
5A (external MOSFET dependent) |
| Quiescent Current |
50 µA (typical) |
| Reverse Voltage Protection |
-65V |
| Operating Temperature |
-40°C to 125°C |
| Package |
12-WSON (3x3 mm) |
| Enable Logic |
Active High |
| Fast Turn-Off Time |
0.5 µs |
Key Features
- Wide input voltage range: 3.2V to 65V
- Low quiescent current: 50 µA
- Reverse polarity protection up to -65V
- Fast transient response for load steps
- Small 12-WSON package (3x3 mm)
- AEC-Q100 qualified for automotive applications
- Enable pin for power sequencing
Target Applications
- Automotive: 5G base station power supplies, infotainment systems, ADAS ECUs
- Industrial: PLCs, motor drives, battery management systems
- Consumer: Dashcams, portable electronics with reverse polarity protection
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM74722QDRRRQ1. 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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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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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
LM74722QDRRRQ1 是德州儀器(TI)推出的一款高壓理想二極體控制器,專為汽車和工業應用設計。它提供反向極性保護和多電源 OR-ing 功能,功耗極低。該器件可在 3.2V 至 65V 的寬輸入電壓範圍內工作,並驅動外部 N 溝道 MOSFET 以模擬理想二極體。其低靜態電流(典型值 50 µA)和快速瞬態響應使其適用於電池供電和高可靠性系統。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
3.2V 至 65V |
| 最大連續電流 |
5A(取決於外部 MOSFET) |
| 靜態電流 |
50 µA(典型值) |
| 反向電壓保護 |
-65V |
| 工作溫度 |
-40°C 至 125°C |
| 封裝 |
12-WSON(3x3 mm) |
| 使能邏輯 |
高電平有效 |
| 快速關斷時間 |
0.5 µs |
核心特性
- 寬輸入電壓範圍:3.2V 至 65V
- 低靜態電流:50 µA
- 反向極性保護高達 -65V
- 快速瞬態響應,應對負載突變
- 小型 12-WSON 封裝(3x3 mm)
- 通過 AEC-Q100 認證,適用於汽車應用
- 使能引腳,用於電源排序
典型應用場景
- 汽車:5G 基站電源、信息娛樂系統、ADAS ECU
- 工業:PLC、電機驅動、電池管理系統
- 消費電子:行車記錄儀、便攜式電子設備(反向極性保護)
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