BM2P141W-Z

AC DC Converters, Offline Switchers Overview

The BM2P141W-Z is a non-isolated PWM DC/DC converter IC with an integrated switching MOSFET, designed for AC/DC applications. It operates within an input voltage range of 12 V to 15.12 V and features a fixed switching frequency of 65 kHz. The device utilizes current mode control for per-cycle current limiting and includes a built-in 650 V startup circuit. Key electrical parameters include a maximum drain voltage of 650 V, an operating temperature range from -40 °C to +105 °C, and a typical quiescent current of 1.05 mA.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a 650 V super junction MOSFET and startup circuit for simplified design
• Employs PWM current mode method with per-cycle current limiting
• Includes frequency hopping function to reduce electromagnetic interference
• Supports burst operation at light load to minimize power consumption

AC DC Converters, Offline Switchers Applications

• Non-insulated high-efficiency AC/DC converters
• Power systems for products utilizing wall outlets
• Compact power supply designs requiring low standby power

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'W' indicates the DIP-7K package configuration as documented in official ROHM specifications. Confirm that the component meets RoHS compliance requirements for your target market. Ensure the application environment remains within the specified industrial temperature limits and does not involve automotive usage, as this standard-grade part is explicitly excluded from vehicle equipment recommendations.

AC DC Converters, Offline Switchers Selection Notes

Select this component when designing non-isolated buck converters for plug-in applications requiring a 12 V nominal input. The integrated 650 V MOSFET eliminates external switch selection. Current mode control provides superior transient response compared to voltage mode alternatives. The fixed 65 kHz frequency simplifies filter design while frequency hopping aids in EMI compliance without complex modulation schemes.

AC DC Converters, Offline Switchers Part Context

This IC belongs to the BM2P141 series of integrated AC/DC controllers. It shares architectural similarities with models like BM2P131W-Z and BM2P151W-Z, differing primarily in input voltage ranges. The series targets cost-effective, compact power solutions for consumer electronics and adapters where high efficiency and low no-load power are critical design constraints.

AC DC Converters, Offline Switchers Replacement Considerations

BM2P141X-Z serves as a pin-compatible alternative in different packaging.