STMicroelectronics VIPER50 Overview

The VIPER50 from STMicroelectronics is a versatile high-voltage converter smart power IC, designed for applications that require a compact and reliable power supply solution. This chip integrates a PWM controller and a 500V vertical power MOSFET, making it ideal for off-line converters in a range of products from home appliances to industrial systems.

Key Features

• Integrated Power MOSFET: The VIPER50 includes a robust 500V avalanche-rugged power MOSFET, enabling the device to handle high voltage applications with ease.
• Adjustable Oscillator Frequency: Users can set the operating frequency up to 200kHz, allowing flexibility in design and optimization of the transformer size.
• Multiple Protection Features: The device includes overcurrent protection, overvoltage protection, and a thermal shutdown feature to ensure safe operation under a variety of conditions.
• Low Standby Power Consumption: With its built-in features, the VIPER50 ensures low power consumption in standby mode, making it suitable for energy-saving applications.
• Soft Start Capability: The soft-start function limits the inrush current at startup, providing a smooth transition to the operational state and extending the life of the product.

Applications

• Switched-Mode Power Supplies (SMPS)
• Adapters and Chargers
• Auxiliary Power Supplies for Home Appliances
• Industrial Power Supplies

Technical Specifications

• Input Voltage: up to 500V
• Output Power: up to 50W in wide range mains
• Operating Frequency: up to 200kHz (adjustable)
• Package: Pentawatt HV, Heptawatt

The VIPER50 is a testament to STMicroelectronics' commitment to providing innovative and efficient power management solutions. Its integration of key power supply functions into a single chip offers designers a reliable and space-efficient solution, reducing the complexity and cost of their power supply designs. Whether for consumer electronics or industrial applications, the VIPER50 stands out as a smart choice for a wide array of power conversion needs.