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STMicroelectronics 3 kW Full Bridge LLC Resonant Digital Power Supply Evaluation Kit DC-DC Converter STEVAL-DPSLLCK1
Specifications
| Country of Origin | Italy |
|---|---|
| Brand | STMicroelectronics |
| Model | STEVAL-DPSLLCK1 |
| Output Power | 3 kW |
| Peak Efficiency | 95.3% |
| Resonant Frequency | 175 kHz |
| Output Voltage | 48 V |
| Maximum Output Current | 62.5 A |
| Kit Classification | Evaluation Kit |
| Featured Device | Stm32f334 |
| Kit Name | 3 kW Full Bridge LLC Resonant Digital Power Supply Evaluation Kit |
| HF transformer isolation voltage | 4 kV |
| input DC voltage | 375 V to 425 V |
| max DC-DC switching frequency | 380 kHz (at startup) |
| closed loop switching frequency | 120 kHz to 250 kHz |
Key Features
- Supports input DC voltage range from 375 V to 425 V for flexible power sources.
- Delivers a stable output voltage of 48 V with a maximum output current of 62.5 A to meet demanding power requirements.
- Provides a peak output power of 3 kW with an efficiency up to 95.3% for reduced energy losses.
- Features HF transformer isolation voltage rated at 4 kV ensuring electrical safety and signal integrity.
- Operates with resonant and switching frequencies optimized between 120 kHz and 380 kHz for effective power conversion.
- Includes protection mechanisms such as undervoltage and overvoltage on input/output, overtemperature, and short-circuit protection for robust operation.
- Employs forced cooling with airflow speed modulation based on output power and temperature to maintain optimal thermal conditions.
- Utilizes adaptive synchronous rectification and light load burst mode to enhance efficiency under varying loads.
Product Description
STMicroelectronics STEVAL-DPSLLCK1 3 kW Full Bridge LLC Resonant Digital Power Supply Evaluation Kit is a high-performance DC-DC converter evaluation kit featuring advanced control and protection functions. It supports input DC voltages from 375 V to 425 V and provides a regulated 48 V output voltage capable of delivering a maximum current of 62.5 A, with output power rating of 3 kW. This makes it suitable for demanding industrial, laboratory, and power electronics development applications.
The kit integrates a high-frequency transformer providing electrical isolation rated at 4 kV, important for safety and noise immunity. Its resonant and switching frequencies range from a startup frequency of 380 kHz down to a closed loop range of 120 kHz to 250 kHz, with a resonant frequency of 175 kHz, enabling efficient and low loss power conversion.
Protection features include undervoltage and overvoltage on both input and output stages, overtemperature shutdown, and short-circuit protection. The kit uses forced air cooling with adjustable airflow speed based on power output and temperature, ensuring reliable thermal management during operation.
Efficiency is optimized by adaptive synchronous rectification and light load burst mode, achieving a peak efficiency of 95.3%, reducing energy consumption and heat generation. The digital control via the STM32F334 microcontroller allows for advanced control strategies and real-time monitoring.
This evaluation kit is ideal for industrial power supply development, research laboratories, and educational purposes in power electronics and embedded control systems. It combines robust hardware design with flexible software control to facilitate development and testing of power management solutions.
Supports a wide input voltage range suitable for diverse DC power sources. Delivers high output power and current with excellent efficiency. Robust safety and protection features for dependable operation. Advanced digital control platform based on STM32F334 MCU.
Forced cooling system adapts airflow for effective thermal performance. Optimized switching and resonant frequencies reduce losses and noise. Ideal for industrial, laboratory, and educational applications. Explore more Power Management Development Kits and components at EnvMart for high-performance and reliable electronic solutions.
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Frequently Asked Questions
It supports an input DC voltage range from 375 V to 425 V, allowing for flexible power sources.
It provides a stable output voltage of 48 V with a maximum output current of 62.5 A.
The peak output power is rated at 3 kW, making it suitable for demanding applications.
It achieves a peak efficiency of up to 95.3%, which helps reduce energy losses.
The resonant frequency is 175 kHz, with a closed loop switching frequency range of 120 kHz to 250 kHz and a maximum DC-DC switching frequency of 380 kHz at startup.
It includes protection mechanisms such as undervoltage and overvoltage protection on input/output, overtemperature shutdown, and short-circuit protection.
It employs forced air cooling with adjustable airflow speed based on output power and temperature, ensuring optimal thermal management during operation.
The high-frequency transformer provides electrical isolation rated at 4 kV, which is important for safety and noise immunity.
It features the STM32F334 microcontroller, allowing for advanced control strategies and real-time monitoring.
This evaluation kit is ideal for industrial power supply development, research laboratories, and educational purposes in power electronics and embedded control systems.
The country of origin for this evaluation kit is Italy.
It is classified as an Evaluation Kit, designed for testing and development in power management solutions.
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