BM2P159T1F-E2

Overview

The BM2P159T1F-E2 is a PWM type DC/DC converter IC designed for non-isolated AC/DC conversion applications. It integrates a 650V breakdown voltage super junction MOSFET and a startup circuit to facilitate low-power design. The device employs current mode control with per-cycle current limiting, ensuring excellent bandwidth and transient response characteristics. A fixed switching frequency of 100kHz is utilized, which reduces during light load conditions to maintain high efficiency. Additionally, the inclusion of a built-in frequency hopping function aids in achieving lower electromagnetic interference levels.

Feature Summary

• Integrates a 650V耐压 super junction MOSFET and startup circuit for simplified design
• Utilizes current mode control with per-cycle current limiting for superior transient response
• Features a fixed 100kHz switching frequency that adapts to light loads for improved efficiency
• Includes a built-in frequency hopping mechanism to assist in reducing electromagnetic interference

Applications

• Non-isolated AC/DC power supplies for consumer electronics
• Power adapters for devices requiring socket connections
• Low-power DC/DC converter designs

Procurement Notes

Verify the specific suffix (E2) against the manufacturer's official documentation to confirm pinout compatibility and electrical specifications. Ensure the component meets RoHS standards if required by your application. Confirm the SOP-8 package dimensions match your PCB footprint requirements. Check for any automotive usage restrictions as this product is classified as standard grade.

Selection Notes

Select this component for non-isolated applications requiring integrated switching capabilities. The fixed 100kHz frequency suits designs where EMI filtering needs to be managed via frequency hopping. Consider the 650V MOSFET rating for appropriate voltage headroom. The current mode control makes it suitable for systems demanding fast transient responses. Verify thermal performance within the -40°C to +105°C operating range.

Part Context

This part belongs to the BM2P series of PWM type DC/DC converter ICs from ROHM Semiconductor. These components are specifically engineered for non-isolated AC/DC conversion tasks. The series emphasizes ease of design through integrated MOSFETs and startup circuits. The BM2P159T1F-E2 variant focuses on 100kHz operation and enhanced EMI performance through frequency hopping features.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.