BM2P249TF-E2

Overview

The BM2P249TF-E2 is a PWM DC/DC converter IC manufactured by ROHM Semiconductor, designed for non-isolated AC/DC conversion applications. It operates within an input voltage range of 10.6 V to 26.8 V and features a fixed switching frequency of 100 kHz. The device integrates a high-voltage MOSFET with a low on-resistance of 9.5 Ω and includes a built-in starting circuit. It supports an operating temperature range from -40 °C to +105 °C and utilizes a SOP-8 surface-mount package.

Feature Summary

• Integrates a 650V MOSFET with low on-resistance to reduce power consumption and simplify design.
• Employs current mode control to provide cycle-by-cycle current limitation and improved transient response.
• Includes a built-in frequency hopping function to minimize electromagnetic interference (EMI).
• Features a built-in current detection resistor to enable compact power supply designs.

Applications

• Non-isolated buck converter circuits
• AC/DC power supply modules
• Low-power consumer electronics

Procurement Notes

Verify the specific suffix E2 against official ROHM documentation to confirm pinout and electrical characteristics. Ensure compatibility with SOP-8 footprint requirements. Confirm RoHS compliance status through the manufacturer's latest datasheet before finalizing procurement specifications.

Selection Notes

Select this component for designs requiring integrated high-voltage switching in a compact SOP-8 package. It is suitable for applications needing fixed 100 kHz operation and robust EMI performance via frequency hopping. Consider the 10.6 V to 26.8 V input range when defining system power rails.

Part Context

This part belongs to the BM2P series of PWM DC/DC converters from ROHM Semiconductor. These ICs are engineered for efficient power management in non-isolated topologies, combining control logic with high-voltage power stages to reduce external component count.

Replacement Considerations

BM2P249TF