Engineer Column
Harmonizing Circuit Design and EMC DesignPart 10 Websites (1) The Latest Information, Introduction of Major Products, Product Specs
2022.03.30
Hello! I’m Inagaki, at ROHM.
This Part 10 is our first column on websites. Here I would like to discuss the latest information, product introductions, and product specifications that can be obtained by accessing the internet websites of different companies.
Let’s start off by accessing this company’s website. The tabs and links on the web that can be accessed are essentially those shown below.
- ・Company, Sustainability, R&D, Careers, Contact Us, MyROHM Login
- ・Products, Technical Support, Applications, Sales, Buy or Sample
- ・Header: Power and Analog, Automotive Primary DC-DC Converters, Shaping the Future
- ・NEW PRODUCTS & TECHNOLOGIES
- ・ROHM SOLUTION SIMULATOR, APPLICATION NOTES AND MODELS, ROHM ENGINEERING TIPS, etc.
- ・NEWS, EVENTS

As website information, the disseminator (this company) provides “new products with superior engineering, top-selling products, products to be sold, products with features superior to those of other companies, and products that can contribute to society (including SDGs)” and the like. On the other hand, the receivers of information (customers), upon acquiring this information, understand which companies are putting efforts into what product groups, in which engineering fields the companies’ strengths lie, and so on. When we consider why companies post the information for particular products, we come to understand their true intentions. Conversely, in the case of a long-selling product that is quite old but continues to be sought by customers, companies will not give them much space on their websites. This is because such products are already well-established and can be expected to sell in a certain volume even without web page appeals to customers.
To return the discussion to the contents of ROHM’s own website, the first thing to look at is the “header” part. This will be packed with the latest information. It is also frequently updated, and so I recommend that you check the header diligently.
Next is the link to “New Products & Technologies”. Here refined searches can also be performed, so that you can quickly access the information you need, and can get up-to-the-minute information and introductions to major products.
As a different approach, to search on product groups that meet the specifications required by a customer, you can use the pulldown menus on the “Products” tab or the “Applications” tab; or, you can also search from the “Technical Support” tab. From these places as well, refined searches and selection from menus are possible, so that you can quickly zero in on the product spec or other development information you need.
Thank you very much for your attention.
【Download Documents】 Switching Power Supply Basic of EMC and Noise Countermeasures
This is a handbook on the basics of EMC (electromagnetic compatibility) and noise countermeasures for switching power supplies. Based on the understanding of the basics of noise, it explains the noise countermeasures using capacitors and inductors in switching power supplies.
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- Part 2 Fifth-Generation -40 V/-60 V P-channel Power MOSFETs with Greatly Reduced On-Resistance
- Part 3 Super junction MOSFETs Achieve Low On-Resistance, Fast Switching with High 650 V Voltage Rating
- Part 4 Power Diodes Achieve Improved Heat Dissipation Performance, Compactness through Adoption of PMDE Package
- Part 5 The DFN2020WF Package, Developed for External MOSFETs for Automotive Primary Power Supply ICs
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- Features and Selective Use of Sensored and Sensorless Driving of Brushless Motors
- The Role of Brushless Motor Position Sensors and Notes on Their Placement
- Absolute Maximum Ratings of Motor Drivers
- Output Current of Motor Drivers in Actual Use
- Method of Calculating the Power Consumption of a Brushed Motor Driver: Part 1
- Method of Calculating the Power Consumption of a Brushed Motor Driver: Part 2
- Methods for Easily Driving Brushed DC Motors
- Motor Constant-Current Operation through PWM Driving
- Methods and Differences in Current Regeneration for PWM Driving of Brushed Motors
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- Power Consumption when Current is Regenerated in a Parasitic Diode of a Motor Driver Output Transistor
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Harmonizing Circuit Design and EMC Design: Introduction
- Part 2 Summary of Semiconductors (2) Semiconductor Integrated Circuits (LSIs, ICs)
- Part 3 Summary of Semiconductors (3) Semiconductor Integrated Circuit (LSI, IC) Modules
- Part 4 Product Specifications (1) Product Specifications of Semiconductor Integrated Circuits
- Part 5 Product Specifications (2) ?How to Read Product Specifications
- Part 6 Product Specifications (3) Examples of General EMC Evaluation Indexes
- Part 7 Evaluation Circuits and Boards (1) Using Evaluation Boards
- Part 8 Evaluation Circuits and Boards (2) Handling of Ground Wires (GND)
- Part 9 Evaluation Circuits and Boards (3) Electromagnetic Interference (EMI) and Electromagnetic Susceptibility (EMS)
- Part 10 Websites (1) The Latest Information, Introduction of Major Products, Product Specs
- Part 11 Websites (2) Application Notes and Design Models
- Part 12 Websites (3) Design Support Tools
- Part 13 EMC Overview (1) What is Electromagnetic Compatibility?
- Part 14 EMC Overview (2) What is Electromagnetic Compatibility?
- Part 15 EMC Overview (3) What is Electromagnetic Compatibility?
- Part 16 EMC Calculation Methods and EMC Simulations (1): Overview of Calculation Methods
- Part 17 EMC Calculation Methods and EMC Simulations (2): Trial Calculation of Conducted Emissions (CE)
- Part 18 EMC Calculation Methods and EMC Simulations (3): Trial Calculation of Radiated Emissions (RE)
- Part 19 EMC Calculation Methods and EMC Simulations (4): Trial Calculation of Conducted Immunity (CI)
- Part 20 EMC Calculation Methods and EMC Simulations (5): Trial Calculation of Conducted Immunity (CI)
- Part 21 EMC Calculation Methods and EMC Simulations (6): Trial Calculation of Radiated Immunity (RI)
- Part 22 EMC Calculation Methods and EMC Simulations (7): Graphical User Interfaces (GUIs)
- Part 23 EMC Calculation Methods and EMC Simulations (8): Three-Dimensional (3D) Plots
- Part 24 EMC Calculation Methods and EMC Simulations (9): GNU Tools Used in Calculation Methods
- Part 1 Summary of Semiconductors (1) Transistors and Diodes