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ROHM’s Industry-first AC/DC Converter ICs of Surface Mount Package with Built-In 1700V SiC MOSFET

Improving reliability and energy savings while reducing both mounting area and costs.

ROHM’s Industry-first AC/DC Converter ICs of Surface Mount Package with Built-In 1700V SiC MOSFET

ROHM’s AC/DC converter ICs with a built-in 1700V SiC MOSFET, BM2SC12xFP2-LBZ in the TO 263-7L package, are optimized for industrial applications focusing on auxiliary power supply for street lamps, commercial air-conditioning systems, general-purpose inverters and for AC servo drives.


ROHM’s Industry-first AC/DC Converter ICs of Surface Mount Package with Built-In 1700V SiC MOSFET

An auxiliary power supply is an essential and vital part of industrial applications to deliver different levels of DC voltages for gate drivers and control units. By applying existing Si MOSFET devices, the designer cannot achieve higher efficiency and increased out power because of the higher losses of Si devices. The existing solutions require a heatsink and additional components which increase both the losses of the devices and the size of the system by additional space. To design an auxiliary power supply with existing Si devices will also be expensive because of a larger Bill of Material (BOM).

ROHM’s BM2SC12xFP2-LBZ power ICs are the Quasi-resonant (QR) AC/DC converters with an integrated 1700V SiC MOSFET in a single compact surface mount package (TO263). These ICs are the right fit and best in class products for industrial auxiliary power supply solutions in terms of efficiency, shortening design time, simplifying the circuitry and reducing additional components by offering integrated solutions. These ICs also increase product reliability by minimizing the risk of component failure.

When used in 400VAC 48W output auxiliary power supplies, besides enabling automatic board mounting that was not previously possible, the number of external parts can be significantly reduced compared with standard configurations – from 12 parts and heat sink to just one.


ROHM’s Industry-first AC/DC Converter ICs of Surface Mount Package with Built-In 1700V SiC MOSFET

At the same time, adopting a SiC MOSFET improves power efficiency by up to 5% and minimizes the risk of component failure. This makes it possible to dramatically increase reliability and energy savings in industrial equipment while significantly reducing mounting area and costs.

In addition, ROHM’s Evaluation board BM2SC123FP2-EVK-001 using our AC/DC BM2SC123FP2-LBZ IC is available to support designers. This board delivers power up to 48W at 400VAC without any heatsink. The test result of the evaluation board shows the output voltage (24V) is constant and independent from input voltage.


ROHM’s Industry-first AC/DC Converter ICs of Surface Mount Package with Built-In 1700V SiC MOSFET

ROHM is committed to continuing to develop advanced analog control ICs and power semiconductors, such as SiC devices, while providing optimized solutions that contribute to greater energy savings and performance in industrial equipment.

AC/DC Converter IC with Built-In SiC MOSFET Lineup


ROHM’s Industry-first AC/DC Converter ICs of Surface Mount Package with Built-In 1700V SiC MOSFET

Application Examples

  • General-purpose inverters
  • AC servos
  • PLCs (Programmable Logic Controllers)
  • Manufacturing equipment
  • Robots
  • Commercial air conditioners
  • Industrial lighting (i.e. street lamps)

Optimized for auxiliary power supply circuits handling indicators, fans, relays, and PLC’s in 400VAC industrial equipment

Availability

Sales Launch Date: May 2021 (Samples), October 2021 (In Mass Production)
Online Distributors: Digi-Key, Mouser, and Farnell
**Scheduled to be released at other online distributors as well.

www.rohm.com

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