BM2P033

Overview

The BM2P033 is a high-voltage power MOSFET integrated with a PWM controller, designed for offline flyback converters. It features an integrated 700V power MOSFET and a startup circuit that eliminates the need for external bias windings. The device includes comprehensive protection functions such as over-current protection, over-voltage protection, and thermal shutdown to ensure reliable operation in various power supply applications.

Feature Summary

• Integrated high-voltage power MOSFET and PWM controller for compact design
• Internal startup circuit reduces component count by eliminating bias winding requirements
• Built-in protection mechanisms including over-current, over-voltage, and thermal shutdown

Applications

• Offline flyback power supplies
• Adapter power supplies
• Charger power supplies

Procurement Notes

Verify the specific suffix codes on the datasheet to confirm package type and tape/reel specifications. Ensure compatibility with your PCB footprint and thermal management requirements. Cross-reference the manufacturer's official documentation for any recent revisions or obsolescence notices before finalizing procurement decisions.

Selection Notes

Select this component for designs requiring a simplified bill of materials due to the integrated startup circuit. Consider the thermal performance and switching frequency characteristics when designing the transformer and snubber circuits. Ensure the input voltage range matches the application requirements for optimal efficiency and reliability.

Part Context

This part belongs to Rohm Semiconductor's family of high-voltage power ICs for offline switch-mode power supplies. It is engineered to replace discrete MOSFET and controller combinations, offering a space-saving solution for consumer electronics and industrial power adapters while maintaining high efficiency and robust protection features.

Replacement Considerations

Check for direct pin-to-pin compatible alternatives from Rohm or other manufacturers if supply constraints exist. Verify that substitute parts meet the same voltage ratings, current capabilities, and protection feature sets to ensure system integrity without redesigning the surrounding circuitry.