STPS1545CG-TR

The STPS1545CG-TR is a Schottky barrier rectifier diode manufactured by STMicroelectronics, designed for various applications in power management and rectification. Here’s a detailed description of its features and specifications:

General Description:

The STPS1545CG-TR is a dual Schottky rectifier, which means it contains two diodes in a single package. Schottky diodes are known for their low forward voltage drop and fast switching speeds, making them ideal for applications where efficiency is critical.

Key Features:

1. Low Forward Voltage Drop: The STPS1545CG-TR exhibits a low forward voltage drop (typically around 0.45V at 15A), which helps in reducing power losses during operation.

2. High Current Rating: It can handle a maximum forward current of 15A per diode, making it suitable for high-power applications.

3. Reverse Voltage Rating: The device has a maximum reverse voltage (V_R) rating of 45V, allowing it to be used in various voltage environments without the risk of breakdown.

4. Fast Recovery Time: The Schottky design allows for rapid switching, which is beneficial in high-frequency applications.

5. Thermal Performance: The diode is designed to operate efficiently at elevated temperatures, with a maximum junction temperature (T_j) of 150°C. This makes it suitable for use in environments where heat dissipation is a concern.

6. Package Type: The STPS1545CG-TR is typically housed in a TO-220 package, which provides good thermal conductivity and allows for easy mounting on heatsinks.

Applications:

The STPS1545CG-TR is commonly used in:

• Power supply circuits
• DC-DC converters
• Solar inverters
• Battery chargers
• Motor drives
• Any application requiring efficient rectification and low power loss

Electrical Characteristics:

• Forward Voltage Drop (V_F): Approximately 0.45V at 15A
• Reverse Leakage Current (I_R): Typically low, ensuring minimal power loss during reverse bias conditions.
• Capacitance: The diode has a low junction capacitance, which contributes to its fast switching capabilities.

Conclusion:

The STPS1545CG-TR from STMicroelectronics is a robust and efficient dual Schottky rectifier diode, ideal for high-current and high-frequency applications. Its low forward voltage drop, high current handling capability, and thermal performance make it a preferred choice for engineers looking to enhance the efficiency of their power management systems.