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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
Harmonizing Circuit Design and EMC Design: Introduction
Motor Notes : Evolution and Kinds of Motors

Product Key Points

Non-Isolated Gate Drivers and Power Devices
AC-DC Converter IC with Internal Power MOSFET : Clearing the New Energy Star v. 6.0 Standard
200 V Schottky Barrier Diodes：RBxx8BM200 / RBxx8NS200 : Replaces FRD in 200 V Applications, for Improved Efficiency, Space Savings
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
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
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
Free Web-Based Simulation Tool “ROHM Solution Simulator” : Power Devices and Driver ICs Verified Simultaneously, for Dramatic Reduction of Development Efforts and Time
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
Nano Cap™ Technology Enabling Stable Control with Nano-order Output Capacitances : Realization of a Linear Regulator that Effectively Eliminates Output Capacitors
Development of 4th-Generation SiC MOSFET, Achieving Industry’s Lowest On-Resistance : Support for xEV/EV Main Inverters, Higher Battery Voltages
SCT2H12NZ：1700 V High Voltage SiC-MOSFET : Delivering High Voltage and Low Loss Sought in Auxiliary Power Supplies for Industrial Equipment
“Full SiC” Power Modules Using ROHM’s Own SiC-MOSFET and SiC-SBD : Smaller Equipment Sizes through Reduced Switching Losses and Higher-Frequency Operation
CMOS LDO Regulator with World’s Smallest Package for Automotive Use : 55% Smaller Footprint, Yet Supports AEC-Q100
600 V Second-Generation Super-Junction MOSFET : EN Series:Improved Noise Performance, While Maintaining Low ON-Resistance, Fast Switching Speed
3rd Generation SiC Schottky Barrier Diode：SCS3 Series : Enhanced the Surge Current Rating while Maintaining Low Losses, for PFC in High-End Equipment
BD9227F：Step-down DC-DC Converter to Drive DC Fan Motor : Integrated Discrete Components for Higher Precision, Efficiency and Smaller Size
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
Full-SiC Power Modules：Continually Expanding Lineup : Engineering Innovations to Handle Larger Currents
The New R60xxMNx Series Lineup of PrestoMOSTM with Industry-Fastest trr : Cutting the ON-resistance and Qg to Lower Power Consumption Even Further
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
BU33UV7NUX：Optimal Boost DC-DC Converter for Dry Cell Applications : Making Dry Cells Last 1.3 Longer
BD70522GUL：DC-DC Converter Attaining Industry-Lowest 180 nA Current Consumption : Outstanding Functions Installed in an Ultra-Small Package
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
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
BSM250D17P2E004： High-Reliability 1700 V Full-SiC Power Module: The Industry’s Highest Level of Reliability in High-Temperature, High-Humidity Environments
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
Int’l Automotive Electronics Technology Expo (CAR-ELE JAPAN) 2019 : DC-DC Converter Solutions that Meet CISPR25 Class 5 Standards
600V SJ-MOSFET：R60xxJNx Series : PrestoMOS™ Boosts Design Freedom While Affording Industry-Fastest Reverse Recovery Time
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
RGS Series：1200 V IGBTs Conforming to AEC-Q101 for Automotive Use : Increasing Demand for Automotive IGBTs with Lower Conduction Losses, Higher Rated Voltages
BD83070GWL Buck-Boost DC-DC Converter Achieves Amazing Power Savings Performance : High Efficiencies at All Load Levels Maximized Operating Times of Battery-Driven Equipment
SiC MOSFETs Adopting 4-pin Packages：SCT3xxx xR Series : Switching Losses Cut 35% Through Adoption of 4-Pin Packages
Silicon Diodes Continue to Evolve, Driven by Applications | Si Fast-Recovery Diodes : Emphasis on Efficiency and Rated Voltage/Leakage Current
The Key to Reduced Loss and Miniaturization in Power Applications : SiC-SBDs Offer Lowest Losses among Power Diodes
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
Automotive LDO regulator BD4xxMx series /BDxxC0A series : Why the LDO Series can be Specified as “Automotive”
Switching Regulator Controllers Compatible with FPGA Power Supply Requirements : Adopted into Xilinx 7 Series FPGA Power Supply Module
New lineup of LDO linear regulators, covering all 91 products! : Required Elements that Make Up a Standard Part
BD905xx-C series synchronous rectifier converter for automotive secondary power supplies : Increasing Requirements Not Met by LDO
DC-DC converter family with an extensive lineup enhancing convenience : “Best Fit for Each Application” is Mandatory
Lineup of Over 220 Motor Driver ICs : Brushed DC Motor Driver ICs Offer Diverse Functions, Highly Efficient Driving
Almost No Measurement Equipment Needed for Stepping Motor Application Development

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
Another Important Issue after Miniaturization, Efficiency Enhancement, EMC：Thermal Design : Thermal Design Encounters Strong Headwinds due to Engineering Trend Changes
Industry Top-Class DC-DC Converter Enabling 80V and High Efficiency : High-Voltage DC-DC Converter to Enter the Market
Photocoupler-Free Isolated Flyback DC-DC Converter : Liberation from Photocoupler Maintenance in a Compact, Simple Design
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?
What capacitor and inductor are the best for a switching power supply? – Inductor- : Reading and Understanding Inductor Specifications and Equivalent Circuits
3rd Generation SiC Schottky Barrier Diode：SCS3 Series : Continuing Evolution of SiC Schottky Barrier Diodes
Engineering Trends in Power Supplies to Reduce Environmental Load : Efficiency Improvements in AC-DC Converters Now an Absolute Imperative
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?
SiC MOSFETs Adopting 4-pin Packages：SCT3xxx xR Series : Reasons for Adopting 4-pin Package
What capacitor and inductor are the best for a switching power supply? – Capacitor – : Increasing Capacitance of Multilayer Ceramic Chip Capacitors
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
Automotive general-purpose LDO regulator series offering a total of 43 models : There is a Reason for Extensive Variety as Many as 43 Models
Step-Down DC-DC Converter Series Compatible with Stringent FPGA Power Supply Requirements : Power Requirements of the FPGA
The BM2Pxxx Series High Efficiency AC-DC Converter IC with Internal MOSFET : Issues Confronting Existing AC-DC Converters: Efficiency and Size
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

New Articles

Non-Isolated Gate Drivers and Power Devices

Non-Isolated Gate Drivers and Power Devices

2023/02/08

Part 17 EMC Calculation Methods and EMC Simulations (2): Trial Calculation of Conducted Emissions (CE)

Part 17 EMC Calculation Methods and EMC Simulations (2): Trial Calculation of Conducted Emissions (CE)

2023/01/25

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