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Product Overview
The UCC5519PWP from Texas Instruments is a high-performance power management IC designed for low-voltage, high-current applications. It integrates a synchronous buck regulator with a 1.5A output current capability, operating from an input voltage range of 2.7V to 5.5V. The device features a fixed output voltage of 3.3V or 5V, selectable via a logic pin, making it versatile for various system power rails. Its high efficiency, small footprint, and thermal protection make it ideal for space-constrained designs.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
2.7V – 5.5V |
| Output Voltage |
3.3V or 5V (selectable) |
| Output Current |
1.5A |
| Switching Frequency |
1.5 MHz (typical) |
| Efficiency |
Up to 95% |
| Operating Temperature |
-40°C to +125°C |
| Package |
HTSSOP-20 (PowerPAD) |
| Protection Features |
Overcurrent, Overtemperature, Undervoltage Lockout |
Key Features
- High efficiency synchronous buck converter
- Selectable 3.3V or 5V output
- 1.5A continuous output current
- Wide input voltage range: 2.7V to 5.5V
- 1.5 MHz fixed switching frequency for small external components
- PowerPAD package for enhanced thermal performance
- Integrated overcurrent and overtemperature protection
- Low shutdown current (<1 µA)
Target Applications
- 5G base station power supplies
- Automotive dashboard and infotainment systems
- Industrial control systems
- Portable and battery-powered devices
- Networking equipment (e.g., routers, switches)
- FPGA and DSP core power
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
UCC5519PWP. 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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orders confirmed before 4 PM are shipped the same day.
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Shenzhen with support for HK bank transfers and multi-currency.
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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
UCC5519PWP 是德州儀器(TI)推出的一款高性能電源管理 IC,專為低電壓、大電流應用設計。它集成了同步降壓穩壓器,輸出電流能力為 1.5A,輸入電壓範圍為 2.7V 至 5.5V。該器件具有可通過邏輯引腳選擇的固定輸出電壓(3.3V 或 5V),使其適用於多種系統電源軌。其高效率、小尺寸和熱保護功能使其成為空間受限設計的理想選擇。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
2.7V – 5.5V |
| 輸出電壓 |
3.3V 或 5V(可選) |
| 輸出電流 |
1.5A |
| 開關頻率 |
1.5 MHz(典型值) |
| 效率 |
高達 95% |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
HTSSOP-20(PowerPAD) |
| 保護功能 |
過流、過溫、欠壓鎖定 |
核心特性
- 高效率同步降壓轉換器
- 可選 3.3V 或 5V 輸出
- 1.5A 連續輸出電流
- 寬輸入電壓範圍:2.7V 至 5.5V
- 1.5 MHz 固定開關頻率,支持小型外部元件
- PowerPAD 封裝增強散熱性能
- 集成過流和過溫保護
- 低關斷電流(<1 µA)
典型應用場景
- 5G 基站電源
- 汽車儀表板和信息娛樂系統
- 工業控制系統
- 便攜式和電池供電設備
- 網絡設備(如路由器、交換機)
- FPGA 和 DSP 核心電源
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