• Product Key Points
• Ask Direct to Engineers
• Video Archive

Product Key Points

• Product Key Points

  

  Development of 4th-Generation SiC MOSFET, Achieving Industry’s Lowest On-Resistance

  Support for xEV/EV Main Inverters, Higher Battery Voltages

  2021/02/10

• Product Key Points

  

  Industry's First Single-Chip LED Driver BD18336NUF-M Enables Safe Lighting Under Low Onboard Battery Conditions

  Miniaturization of the Latest Socket-type LED Lamps for DRLs, Position Lamps

  2020/12/09

• Product Key Points

  

  Nano Cap™ Technology Enabling Stable Control with Nano-order Output Capacitances

  Realization of a Linear Regulator that Effectively Eliminates Output Capacitors

  2020/12/09

• Product Key Points

  

  Free Web-Based Simulation Tool “ROHM Solution Simulator”

  Power Devices and Driver ICs Verified Simultaneously, for Dramatic Reduction of Development Efforts and Time

  2020/11/25

• Product Key Points

  

  Newly Developed Compact GMR50 Current Detection Chip Resistor (Shunt Resistor) with High Rated Power

  Industry-Highest 4W Rated Power from 5.0×2.5 mm Device

  2020/09/09

• Product Key Points

  

  Development of the BD71850MWV Power Management IC for the NXP i.MX 8M Nano Family

  A 12-Output PMIC for i.MX 8M Nano Family

  2020/08/19

• Product Key Points

  

  Successful Development of "Third Generation In-wheel Motor with Wireless Power Transfer During Travel"

  Ultra-Compact SiC Module Contributes to Realization of EV with No Charging Worries

  2020/07/22

• Product Key Points

  

  200 V Schottky Barrier Diodes: RBxx8BM200 / RBxx8NS200

  Replaces FRD in 200 V Applications, for Improved Efficiency, Space Savings

  2020/05/27

• Product Key Points

  

  SiC MOSFETs Adopting 4-pin Packages: SCT3xxx xR Series

  Switching Losses Cut 35% Through Adoption of 4-Pin Packages

  2020/03/11

• Product Key Points

  

  BD83070GWL Buck-Boost DC/DC Converter Achieves Amazing Power Savings Performance

  High Efficiencies at All Load Levels Maximized Operating Times of Battery-Driven Equipment

  2020/01/08

• Product Key Points

  

  RGS Series: 1200 V IGBTs Conforming to AEC-Q101 for Automotive Use

  Increasing Demand for Automotive IGBTs with Lower Conduction Losses, Higher Rated Voltages

  2019/11/06

• Product Key Points

  

  World’s First AC/DC Converter ICs with 1700V Internal SiC MOSFET

  Easily Attain Dramatic Compactness, Energy Savings, Efficiency in Power Supplies for AC 400 V Industrial Equipment

  2019/10/23

• Product Key Points

  

  600V SJ-MOSFET：R60xxJNx Series

  PrestoMOS™ Boosts Design Freedom While Affording Industry-Fastest Reverse Recovery Time

  2019/09/25

• Product Key Points

  

  Int’l Automotive Electronics Technology Expo (CAR-ELE JAPAN) 2019

  DC/DC Converter Solutions that Meet CISPR25 Class 5 Standards

  2019/08/21

• Product Key Points

  

  SiC MOSFETs Conforming to the AEC-Q101 Automotive Reliability Standard

  10 SiC MOSFET Models for Automotive Use Added, Completing the Industry's Most Extensive Lineup

  2019/07/24

• Product Key Points

  

  BSM250D17P2E004： High-Reliability 1700 V Full-SiC Power Module

  High-Reliability 1700 V Full-SiC Power Module: The Industry's Highest Level of Reliability in High-Temperature, High-Humidity Environments

  2019/05/09

• Product Key Points

  

  BD9S Series: Ultra-small Step-down DC/DC Converters for Automotive, ADAS Applications with Power-good Pin

  Wettable-Flank QFN Package Adopted in 2A/3A/4A Versions with SLLM™ Control

  2019/04/11

• Product Key Points

  

  BD9S Series: Ultra-small Step-down DC/DC Converters for Automotive, ADAS Applications with Power-good Pin

  Ultra-small Packages 2 mm On a Side 1 A/0.6 A Versions with Internal Phase Compensation Circuits

  2019/04/11

• Product Key Points

  

  RGTV/RGW Series of 650 V IGBTs: Combining Industry-Leading Efficiency and Soft Switching

  Low Conduction Losses, Fast Switching = High Efficiency; Greatly Reduced Overshoot = Fewer Suppression Components

  2019/03/22

• Product Key Points

  

  BD70522GUL: DC/DC Converter Attaining Industry-Lowest 180 nA Current Consumption

  Outstanding Functions Installed in an Ultra-Small Package

  2019/02/07

• Product Key Points

  

  BD70522GUL: DC/DC Converter Attaining Industry-Lowest 180 nA Current Consumption

  Coin Battery Operates for 10 Years through Nano Energy® Technology

  2019/02/07

• Product Key Points

  

  BU33UV7NUX: Optimal Boost DC/DC Converter for Dry Cell Applications

  High Efficiency Over a Wide Load Current Range Through Load Current Mode Switching

  2019/01/24

• Product Key Points

  

  BU33UV7NUX: Optimal Boost DC/DC Converter for Dry Cell Applications

  Making Dry Cells Last 1.3 Longer

  2019/01/24

• Product Key Points

  

  Full-SiC Power Modules Supplied for Use in Formula E, the Pinnacle of Electric Car Racing

  Full-SiC Power Modules Make Possible 6 kg Lighter, 43% Smaller Inverters

  2018/12/20

• Product Key Points

  

  BD9V100MUF-C: A DC/DC Converter with the Industry's Highest Step-Down Ratio

  Wettable Flank Packages Provide Visual Confirmation of the Soldered State

  2018/07/12

• Product Key Points

  

  BD9V100MUF-C: A DC/DC Converter with the Industry's Highest Step-Down Ratio

  Provision of ROHM's Unique Nano Pulse Control®

  2018/07/12

• Product Key Points

  

  BD9V100MUF-C: A DC/DC Converter with the Industry's Highest Step-Down Ratio

  The Advantage of a 24:1 Step-Down Ratio at 2 MHz

  2018/06/21

• Product Key Points

  

  BD9V100MUF-C: A DC/DC Converter with the Industry's Highest Step-Down Ratio

  DC/DC Converter IC with the Industry's Highest Step-Down Ratio at 2 MHz

  2018/06/21

• Product Key Points

  

  The New R60xxMNx Series Lineup of PrestoMOS^TM with Industry-Fastest trr

  Cutting the ON-resistance and Qg to Lower Power Consumption Even Further

  2018/05/24

• Product Key Points

  

  The New R60xxMNx Series Lineup of PrestoMOS^TM with Industry-Fastest trr

  Enhanced Short-Circuit Capacity, Suppressed Self-Turn-On

  2018/05/24

• Product Key Points

  

  Full-SiC Power Modules: Continually Expanding Lineup

  Engineering Innovations to Handle Larger Currents

  2018/04/19

• Product Key Points

  

  Full-SiC Power Modules: Continually Expanding Lineup

  1200 V, 400/600 A Versions Added, With Even Lower Losses and Smaller Sizes

  2018/04/19

• Product Key Points

  

  Power Supply ICs on Small-lot 250-piece Tape & Reel Optimized for Industrial Equipment

  DC/DC Converters for Compact High-Efficiency Industrial Equipment

  2018/03/22

• Product Key Points

  

  Power Supply ICs on Small-lot 250-piece Tape & Reel Optimized for Industrial Equipment

  3 Series of LDO Regulators Cover a Wide Range of Applications

  2018/03/22

• Product Key Points

  

  BD9227F: Step-down DC/DC Converter to Drive DC Fan Motor

  Integrated Discrete Components for Higher Precision, Efficiency and Smaller Size

  2018/02/22

• Product Key Points

  

  BD9227F: Step-down DC/DC Converter to Drive DC Fan Motor

  Efficiency, Compactness Paired with Industry-First High-Precision Speed Control of DC Fan Motors

  2018/02/22

• Product Key Points

  

  3^rd Generation SiC Schottky Barrier Diode: SCS3 Series Part 2

  Enhanced the Surge Current Rating while Maintaining Low Losses, for PFC in High-End Equipment

  2018/01/25

• Product Key Points

  

  3^rd Generation SiC Schottky Barrier Diode: SCS3 Series

  New Structure in 3rd-Generation Devices for Enhanced Surge Current Robustness, Further Improved VF Characteristics

  2018/01/25

• Product Key Points

  

  600 V Second-Generation Super-Junction MOSFET

  KN Series:Faster Switching Enabled, While Maintaining Low Noise Performance

  2017/12/21

• Product Key Points

  

  600 V Second-Generation Super-Junction MOSFET

  EN Series:Improved Noise Performance, While Maintaining Low ON-Resistance, Fast Switching Speed

  2017/12/21

• Product Key Points

  

  CMOS LDO Regulator with World's Smallest Package for Automotive Use

  55% Smaller Footprint, Yet Supports AEC-Q100

  2017/11/24

• Product Key Points

  

  CMOS LDO Regulator with World's Smallest Package for Automotive Use

  Ultra-compact Automotive LDOs Feature Low Power Consumption, High Performance and Reliability

  2017/11/24

• Product Key Points

  

  "Full SiC" Power Modules Using ROHM's Own SiC-MOSFET and SiC-SBD

  Smaller Equipment Sizes through Reduced Switching Losses and Higher-Frequency Operation

  2017/10/26

• Product Key Points

  

  "Full SiC" Power Modules Using ROHM's Own SiC-MOSFET and SiC-SBD

  Third-Generation SiCMOSFET Adopted, Expanding Lineup

  2017/10/26

• Product Key Points

  

  SCT2H12NZ: 1700 V High Voltage SiC-MOSFET

  Combining with SiC AC/DC Converter Control IC Greatly Boosts Efficiency

  2017/09/21

• Product Key Points

  

  SCT2H12NZ: 1700 V High Voltage SiC-MOSFET

  Delivering High Voltage and Low Loss Sought in Auxiliary Power Supplies for Industrial Equipment

  2017/09/21

• Product Key Points

  

  BD9G341AEFJ: DC/DC Converter Achieves Industry-Leading 80 V Rated Voltage, High Efficiency

  1-Channel Step-Down DC/DC Converter Incorporates High-voltage, Low On-resistance MOSFET

  2017/08/24

• Product Key Points

  

  BD9G341AEFJ: DC/DC Converter Achieves Industry-Leading 80 V Rated Voltage, High Efficiency

  Keywords of Development: "High Voltage Rating of 80V ", "High Efficiency", "High Reliability", and "Compactness"

  2017/08/24

• Product Key Points

  

  BD9G341AEFJ: DC/DC Converter Achieves Industry-Leading 80 V Rated Voltage, High Efficiency

  Positioning and Target Market of 80 V Rated DC/DC Converter ICs

  2017/08/24

• Product Key Points

  

  The Key to Reduced Loss and Miniaturization in Power Applications

  SiC-SBD Lineup Includes Automotive Products Rated at 650/1200V, 5 to 40A

  2017/07/20

• Product Key Points

  

  The Key to Reduced Loss and Miniaturization in Power Applications

  SiC-SBDs Offer Lowest Losses among Power Diodes

  2017/07/20

• Product Key Points

  

  Silicon Diodes Continue to Evolve, Driven by Applications | Si Schottky Barrier Diodes

  Emphasis on Efficiency and Rated Voltage/Leakage Current

  2017/06/22

• Product Key Points

  

  Silicon Diodes Continue to Evolve, Driven by Applications | Si Fast-Recovery Diodes

  Diodes for Low-Power and for High-Power Applications

  2017/06/22

• Product Key Points

  

  AC/DC Converter IC with Internal Power MOSFET

  Clearing the New Energy Star v. 6.0 Standard

  2017/03/23

• Product Key Points

  

  AC/DC Converter IC with Internal Power MOSFET

  Perfect Fit for Diverse Applications

  2017/03/23

• Product Key Points

  

  DC/DC converter family with an extensive lineup enhancing convenience

  Answering the Latest Performance Requirements

  2017/02/23

• Product Key Points

  

  DC/DC converter family with an extensive lineup enhancing convenience

  “Best Fit for Each Application” is Mandatory

  2017/02/23

• Product Key Points

  

  DC/DC converter family with an extensive lineup enhancing convenience

  The Ideal Situation: Family of Versatile Lineup of Products

  2017/02/23

• Product Key Points

  

  BD905xx-C series synchronous rectifier converter for automotive secondary power supplies

  Increasing Requirements Not Met by LDO

  2017/01/27

• Product Key Points

  

  New lineup of LDO linear regulators, covering all 91 products!

  Required Elements that Make Up a Standard Part

  2016/12/15

• Product Key Points

  

  New lineup of LDO linear regulators, covering all 91 products!

  Factors that Determine the Actual Output Current

  2016/12/15

• Product Key Points

  

  Switching Regulator Controllers Compatible with FPGA Power Supply Requirements

  Adopted into Xilinx 7 Series FPGA Power Supply Module

  2016/09/23

• Product Key Points

  

  Switching Regulator Controllers Compatible with FPGA Power Supply Requirements

  "H3Reg", a Key Technology for Fast Transient Response

  2016/09/23

• Product Key Points

  

  Switching Regulator Controllers Compatible with FPGA Power Supply Requirements

  Reasons for the need for higher accuracy FPGA power supply

  2016/09/23

• Product Key Points

  

  Automotive LDO regulator BD4xxMx series /BDxxC0A series

  Why the LDO Series can be Specified as "Automotive"

  2016/09/16

• Product Key Points

  

  Automotive LDO regulator BD4xxMx series /BDxxC0A series

  Accomplishments in Power Saving and Miniaturization

  2016/09/16

• Product Key Points

  

  Automotive LDO regulator BD4xxMx series /BDxxC0A series

  Variety is the Key to Versatility as a Series

  2016/09/08

Ask Direct to Engineers

• Ask Direct to Engineers

  

  Synchronous rectification step-down DC/DC converters developed as automotive secondary power supplies

  Advantages of Secondary Power Supplies in Automotive Equipment

  2021/04/07

• Ask Direct to Engineers

  

  Synchronous rectification step-down DC/DC converters developed as automotive secondary power supplies

  Greatly Improved Efficiency and Supplied Power, with Number of Components and footprint comparable to LDO regulators

  2021/04/07

• Ask Direct to Engineers

  

  Another Important Issue after Miniaturization, Efficiency Enhancement, EMC: Thermal Design

  Overall Thermal Design Must be Based on Common Understanding of the Engineering

  2021/03/24

• Ask Direct to Engineers

  

  Another Important Issue after Miniaturization, Efficiency Enhancement, EMC: Thermal Design

  Thermal Design Encounters Strong Headwinds
  due to Engineering Trend Changes

  2021/03/24

• Ask Direct to Engineers

  

  Optimization of Frequency Characteristics of a DC/DC Converter in the Design Stage

  Method of Setting Phase Compensation and Use of Simulations -Part 2-

  2020/11/25

• Ask Direct to Engineers

  

  Optimization of Frequency Characteristics of a DC/DC Converter in the Design Stage

  Evaluating Frequency Characteristics to Check Output Stability and Response

  2020/11/11

• Ask Direct to Engineers

  

  SiC MOSFETs Adopting 4-pin Packages: SCT3xxx xR Series

  Switching Losses Slashed 35% Using Driver Source Pin

  2020/06/24

• Ask Direct to Engineers

  

  SiC MOSFETs Adopting 4-pin Packages：SCT3xxx xR Series

  Reasons for Adopting 4-pin Package

  2020/05/13

• Ask Direct to Engineers

  

  AC/DC Converter Control that Achieves Both Power Factor Correction and High Efficiency

  Is Power Supply Efficiency Always Reduced When a PFC Circuit is Added?

  2018/11/22

• Ask Direct to Engineers

  

  AC/DC Converter Control that Achieves Both Power Factor Correction and High Efficiency

  Two New Control Methods to Achieve Both PFC and High Efficiency

  2018/11/22

• Ask Direct to Engineers

  

  Engineering Trends in Power Supplies to Reduce Environmental Load: Part 3

  Technology for Industrial Waste Reduction: Wireless Supply of Power

  2018/09/20

• Ask Direct to Engineers

  

  Engineering Trends in Power Supplies to Reduce Environmental Load: Part 2

  Improving the Efficiency of AC/DC Converters through Synchronous Rectification

  2018/03/22

• Ask Direct to Engineers

  

  Engineering Trends in Power Supplies to Reduce Environmental Load: Part 1

  Efficiency Improvements in AC/DC Converters Now an Absolute Imperative

  2018/03/22

• Ask Direct to Engineers

  

  What capacitor and inductor are the best for a switching power supply?

  Summary of Inductors and Overall Conclusion

  2018/02/22

• Ask Direct to Engineers

  

  3^rd Generation SiC Schottky Barrier Diode: SCS3 Series Part 2

  Improved Efficiency and Safety Margins in Equipment Designed for High Reliability

  2018/01/25

• Ask Direct to Engineers

  

  3^rd Generation SiC Schottky Barrier Diode: SCS3 Series Part 1

  Continuing Evolution of SiC Schottky Barrier Diodes

  2018/01/25

• Ask Direct to Engineers

  

  What capacitor and inductor are the best for a switching power supply?

  Metal Inductors and Trends in Power Supplies

  2018/01/25

• Ask Direct to Engineers

  

  What capacitor and inductor are the best for a switching power supply?

  Matters for Study in Power Supply Circuits

  2017/12/21

• Ask Direct to Engineers

  

  What capacitor and inductor are the best for a switching power supply?

  Features of Various Power Inductors

  2017/11/09

• Ask Direct to Engineers

  

  Photocoupler-Free Isolated Flyback DC/DC Converter Part 4

  Unique Adaptive On-Time Control Greatly Improves Transient Response of Isolated Power Supplies

  2017/10/26

• Ask Direct to Engineers

  

  Photocoupler-Free Isolated Flyback DC/DC Converter Part 3

  Development Predicated on Uses in Industrial Equipment

  2017/10/26

• Ask Direct to Engineers

  

  What capacitor and inductor are the best for a switching power supply?

  Reading and Understanding Inductor Specifications and Equivalent Circuits

  2017/09/21

• Ask Direct to Engineers

  

  What capacitor and inductor are the best for a switching power supply?

  Summary

  2017/08/24

• Ask Direct to Engineers

  

  DC/DC Converter IC Capable of Direct Step-Down from 48 V to 3.3 V

  Is Direct Step-Down from 48 V to 3.3 V Possible?

  2017/07/20

• Ask Direct to Engineers

  

  DC/DC Converter IC Capable of Direct Step-Down from 48 V to 3.3 V

  Simplifying the Power Supplies of 48V Hybrid Systems to Cut Losses

  2017/07/20

• Ask Direct to Engineers

  

  What capacitor and inductor are the best for a switching power supply?

  Issues With Mounting －Audible Ringing－

  2017/06/22

• Ask Direct to Engineers

  

  Photocoupler-Free Isolated Flyback DC/DC Converter: Part 2

  Method for Regulating the Secondary by Controlling the Primary

  2017/06/22

• Ask Direct to Engineers

  

  Photocoupler-Free Isolated Flyback DC/DC Converter: Part 1

  Liberation from Photocoupler Maintenance in a Compact, Simple Design

  2017/06/22

• Ask Direct to Engineers

  

  Industry Top-Class DC/DC Converter Enabling 80V and High Efficiency

  High-Voltage DC/DC Converter to Enter the Market

  2017/05/25

• Ask Direct to Engineers

  

  Industry Top-Class DC/DC Converter Enabling 80V and High Efficiency

  High Voltages Alone Do Not Resolve User Problems

  2017/05/25

• Ask Direct to Engineers

  

  What capacitor and inductor are the best for a switching power supply?

  Issues Relating to Mounting: Cracking

  2017/05/11

• Ask Direct to Engineers

  

  BM2Pxxx Series High Efficiency AC/DC Converter IC with Internal MOSFET

  Original Super-junction MOSFETs Hold the Key

  2017/03/23

• Ask Direct to Engineers

  

  BM2Pxxx Series High Efficiency AC/DC Converter IC with Internal MOSFET

  Issues Confronting Existing AC/DC Converters: Efficiency and Size

  2017/03/23

• Ask Direct to Engineers

  

  BM2Pxxx Series High Efficiency AC/DC Converter IC with Internal MOSFET

  Freedom of Design and Conformance to the New Energy Star v. 6.0 Standard

  2017/03/23

• Ask Direct to Engineers

  

  BM2Pxxx Series High Efficiency AC/DC Converter IC with Internal MOSFET

  ICs Developed for Problem Resolution

  2017/03/23

• Ask Direct to Engineers

  

  What capacitor and inductor are the best for a switching power supply?

  ESR of the Output Capacitor Exerts a Significant Impact on Output Fluctuation at Decreased Load

  2017/02/23

• Ask Direct to Engineers

  

  Step-Down DC/DC Converter Series Compatible with Stringent FPGA Power Supply Requirements

  Coping with FPGA Power Supply Requirements

  2017/01/27

• Ask Direct to Engineers

  

  Step-Down DC/DC Converter Series Compatible with Stringent FPGA Power Supply Requirements

  Power Requirements of the FPGA

  2017/01/27

• Ask Direct to Engineers

  

  What capacitor and inductor are the best for a switching power supply?

  In the evaluation of output ripples, ESL for output capacitor requires particular attention

  2017/01/12

• Ask Direct to Engineers

  

  Automotive general-purpose LDO regulator series offering a total of 43 models

  There is a Reason for Extensive Variety as Many as 43 Models

  2016/12/01

• Ask Direct to Engineers

  

  Automotive general-purpose LDO regulator series offering a total of 43 models

  A Simple LDO with No Shortcuts When It Comes to Power Saving and Miniaturization

  2016/12/01

• Ask Direct to Engineers

  

  Automotive general-purpose LDO regulator series offering a total of 43 models

  In What Ways are ROHM’s “Automotive” Regulators Different?

  2016/12/01

• Ask Direct to Engineers

  

  What capacitor and inductor are the best for a switching power supply?

  In Selecting an Input Capacitor, Focus on the Ripple Current, ESR, and ESL

  2016/11/24

• Ask Direct to Engineers

  

  Industrial-grade step-down DC/DC converters providing long-term supply guarantee and available in small-reel sales

  Routine Requirements in Industrial Applications: Long-Term Supply Guarantee and Small-Lot Sales

  2016/10/20

• Ask Direct to Engineers

  

  Industrial-grade step-down DC/DC converters providing long-term supply guarantee and available in small-reel sales

  The Leading-Edge Synchronous Rectifying Converter Holds the Key to Power Savings and Downsizing for Industrial Equipmet

  2016/10/20

• Ask Direct to Engineers

  

  What capacitor and inductor are the best for a switching power supply?

  Need to Know not Only Electrical Specs, But Also Their Characteristics Including Materials and Packaging Cases

  2016/09/23

• Ask Direct to Engineers

  

  What capacitor and inductor are the best for a switching power supply?

  Increasing Capacitance of Multilayer Ceramic Chip Capacitors

  2016/09/08

Engineer Column

• Engineer Column

  

  Five Engineers Talk About New Medium-Power Device Products

  Part 1 Development of Bipolar Transistors for Gate Driving in Inverter Circuits for xEVs

  2021/06/09

• Engineer Column

  

  Harmonizing Circuit Design and EMC Design

  Part 1 Summary of Semiconductors (1) Transistors and Diodes

  2021/05/12

Video Archive

• 

  Video Archive

  Video archive for engineer interviews, product demonstrations and suchlike.