BM2P134Q-Z

Overview

The BM2P134Q-Z is a non-insulated PWM DC/DC converter IC with an integrated switch MOSFET. It features a 650V/800V withstand voltage start circuit and built-in current detection resistor for compact design. The device uses current mode control with per-cycle current limiting, ensuring excellent bandwidth and transient response. Operating at a fixed switching frequency of 100kHz, it includes frequency hopping to reduce EMI. Key electrical parameters include a minimum input voltage of 10.6V, maximum input voltage of 14.05V, and a maximum drain voltage of 650V. It supports burst operation at light load, soft start, thermal shutdown, and under-voltage lockout within an operating temperature range of -40°C to 105°C.

Feature Summary

• Integrates a 650V/800V withstand voltage start circuit to assist in low power consumption design.
• Employs current mode control with per-cycle current limiting for superior bandwidth and transient response performance.
• Features built-in frequency hopping functionality to help achieve lower electromagnetic interference (EMI).
• Supports burst operation at light load to maintain high efficiency during low power conditions.

Applications

• Power systems for various products equipped with AC plugs
• Non-insulated high-efficiency converter designs
• Compact power supply applications requiring integrated components

Procurement Notes

Verify the specific suffix Z against official Rohm Semiconductor documentation to confirm compliance with RoHS standards and lead time requirements. Ensure that the DIP7K package dimensions match the target PCB layout constraints. Confirm that the application does not involve automotive equipment, as this product is classified as standard grade and is explicitly not recommended for such use cases.

Selection Notes

Select the BM2P134Q-Z when designing non-insulated AC/DC converters requiring a fixed 100kHz switching frequency. This component is suitable for applications needing integrated 650V/800V MOSFETs and start circuits to simplify schematic design. Consider this part for systems prioritizing EMI reduction through frequency hopping and efficient light-load performance via burst mode operation.

Part Context

This IC belongs to the BM2P series of PWM DC/DC converters designed for AC/DC conversion. It is characterized by its integration of high-voltage startup circuits and super junction MOSFETs, facilitating easy design of non-insulated power supplies. The series targets consumer electronics and appliances with plug-in interfaces, offering robust protection features like thermal shutdown and UVLO.

Replacement Considerations

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