ROHM’s New Compact Surface Mount 45W Output  AC/DC Converter ICs: Equipped with Integrated  High Voltage SJ MOSFET
Fly-back converter ICs maximize performance, reduce system costs and increase reliability for industrial and consumer power supply solutions

Willich-Münchheide, Germany, December 16, 2021 – ROHM developed AC/DC fly-back converter ICs with an integrated 730V breakdown MOSFET: the BM2P06xMF-Z series (BM2P060MF-Z, BM2P061MF-Z, and BM2P063MF-Z). These devices are ideal for auxiliary power supply and Switch Mode Power Supply (SMPS) solutions for industrial drives as well as home appliances – including air conditioners, white goods, and factory automation equipment. These fly-back ICs require no additional heatsinks and no discharge resistors and capacitors. They help designers to shorten design time, simplify the circuitry, reduce costs and increase reliability by offering integrated solutions.
(Fig. 1)

In recent years, AC/DC converters for home and industrial use must not only support 85V-264V AC to accommodate different AC voltages around the world, but also comply with international standards such as Energy Star for energy savings and the IEC 62368 safety standard. It is also important for AC/DC converter ICs to be surface mount to reduce factory mounting costs. However, as high heat/high loss DMOSFETs and planar MOSFETs are still widely used in AC/DC converter ICs, until now it has been difficult to provide tens of watts of output power in a surface mount package.

To solve these issues, ROHM developed new compact surface mount high power 45W models BM2P06xMF-Z. They are equipped with an original low-loss SJ (Super Junction) MOSFET together with optimized PWM control circuitry – facilitating the development of 85V to 264V AC/DC converters. Adopting a surface mount package supports automatic board mounting (which was previously difficult to do in the past). Meanwhile, the implemented functions ensure compliance with the IEC62368 safety standard, even when the discharge resistor (a source of loss during standby) is removed. Additionally, original low standby power control technology is applied – resulting in extremely low standby power consumption. Supply voltages up to 60V (VCC) are also supported – eliminating the need for an external step-down power supply circuit.
(Fig. 2)

Compared to general products with equivalent performance, automatic mounting contributes to lower factory mounting costs. Moreover, ROHM is able to reduce standby power by over 90% along with the number of power supply circuit components by four, contributing to greater power savings and higher reliability in applications.

Going forward, ROHM will continue to deliver greater system energy savings and optimization by not only developing a wide range of power semiconductors and advanced analog ICs, but also by providing optimal solutions for each application.

Application Examples
  • Consumer electronics such as air conditioners, appliances, monitors, and hair dryers
  • Industrial equipment including inverters, AC servos, routers, and office automation devices
    Suitable for AC/DC converters up to 45W output in consumer and industrial applications
New Product Related AC/DC Converter IC Lineup
(Fig. 3)

Availability: Now (samples), January 2022 (mass production)
Both the new product and an evaluation board are available for purchase through online distributors Digi-Key, Mouser, and Farnell.

Online Sales Information
Sales Launch Date: September 2021
Online Distributors: Digi-Key, Mouser,
and Farnell

Products:
(Fig. 4 +5)

About ROHM Semiconductor
ROHM Semiconductor is a global company of 3.295 billion US dollars per March 31st, 2021 with 22,370 employees. The company develops and manufactures a very large product range from SiC Diodes and MOSFETs, Analog ICs such as Gate Drivers and Power Management ICs to Power Transistors and Diodes to Passive Components. The production of our high performing products is taking place in state-of-the-art manufacturing plants in Japan, Korea, Malaysia, Thailand, the Philippines, and China. LAPIS Technology (former OKI Semiconductor), SiCrystal GmbH and Kionix are companies of the ROHM Semiconductor Group. ROHM Semiconductor Europe has its Head Office near Dusseldorf serving the EMEA region (Europe, Middle East and Africa). For further information, please contact www.rohm.com
 
 
 
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» Press Release
Date: 16.12.2021 14:00
Number: PR 32/21EN
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ROHM’s New Compact Surface Mount 45W Output  AC/DC Converter ICs: Equipped with Integrated  High Voltage SJ MOSFET

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ROHM Semiconductor GmbH
Public Relations
Katrin Haasis-Schmidt  
Karl-Arnold-Str. 15
D-47877 Willich-Münchheide
Germany
Phone: +49 2154 921 0
katrin.haasis-schmidt@de.rohmeurope.com
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Contact: Peter Gramenz
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