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Product Overview
The LM5056PMHX/NOPB from Texas Instruments is a high-voltage, low-side N-channel MOSFET driver designed for power management applications. It integrates a charge pump, current sense amplifier, and fault protection in a compact 28-HTSSOP package. Operating from 4.5V to 52V, it drives external N-channel MOSFETs for load switching, hot-swap, and OR-ing applications. The device features adjustable current limit, fault flag output, and enable control, making it ideal for robust power distribution systems.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
4.5V to 52V |
| Continuous Output Current |
Up to 3A (external MOSFET dependent) |
| Gate Drive Voltage |
10V typical |
| Current Sense Accuracy |
±5% |
| Operating Temperature |
-40°C to +125°C |
| Package |
28-HTSSOP |
| Fault Protection |
Overcurrent, overtemperature, undervoltage lockout |
Key Features
- Wide input voltage range: 4.5V to 52V
- Adjustable current limit with ±5% accuracy
- Integrated charge pump for N-channel MOSFET gate drive
- Fault flag output for system monitoring
- Enable pin for on/off control
- Thermal shutdown protection
- Undervoltage lockout (UVLO)
- Small 28-HTSSOP package for space-constrained designs
Target Applications
- 5G base station power distribution
- Automotive dashboard power management
- Industrial control systems
- Telecom and networking equipment
- Hot-swap and power OR-ing circuits
- Battery protection systems
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM5056PMHX/NOPB. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
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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
LM5056PMHX/NOPB 是德州儀器推出的一款高電壓、低側 N 通道 MOSFET 驅動器,專為電源管理應用設計。它整合了電荷泵、電流檢測放大器和故障保護功能,採用緊湊的 28-HTSSOP 封裝。工作電壓範圍為 4.5V 至 52V,可驅動外部 N 通道 MOSFET,用於負載開關、熱插拔和 OR-ing 應用。該器件具有可調電流限制、故障標誌輸出和使能控制,非常適合用於穩健的功率分配系統。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
4.5V 至 52V |
| 連續輸出電流 |
最高 3A(取決於外部 MOSFET) |
| 柵極驅動電壓 |
典型值 10V |
| 電流檢測精度 |
±5% |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
28-HTSSOP |
| 故障保護 |
過流、過溫、欠壓鎖定 |
核心特性
- 寬輸入電壓範圍:4.5V 至 52V
- 可調電流限制,精度 ±5%
- 集成電荷泵,用於 N 通道 MOSFET 柵極驅動
- 故障標誌輸出,用於系統監控
- 使能引腳,用於開/關控制
- 熱關斷保護
- 欠壓鎖定 (UVLO)
- 小型 28-HTSSOP 封裝,適合空間受限的設計
典型應用場景
- 5G 基站功率分配
- 汽車儀表板電源管理
- 工業控制系統
- 電信和網絡設備
- 熱插拔和電源 OR-ing 電路
- 電池保護系統
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