日清紡マイクロデバイス List of News Articles

Many people have questions such as wanting to use AFE but not knowing how to read the datasheet, so we will introduce how to read the datasheet for Nisshinbo Micro Devices' AFE and assist users in selecting an AFE. This explanation is designed to be understandable even for those who are hearing about Nisshinbo Micro Devices' AFE for the first time. The difficulty level is from beginner to intermediate, and we encourage participation from those who want to learn the basics of ADC, those who are unsure about selecting an AFE, and those who have any concerns. ● Agenda 1. Basics of ADC - Sampling theorem and aliasing - How to calculate SNR - Types and characteristics of ADCs - Principle of ΔΣ ADC 2. Overview of AFE - Advantages/Disadvantages of using AFE 3. How to read the AFE datasheet - Input impedance - Common-mode input range - Common-mode rejection ratio - Differential input - Integral non-linearity error - Effective resolution and NFB - ENOB 4. Q&A We look forward to your participation.

We will introduce Nisshinbo Micro Devices' optical semiconductors (optical sensors), which are essential for industrial equipment and IoT sensors, in a series of multiple sessions. The theme of this session is "How to Utilize Optical Sensors: The Mechanism and Usage of Position Sensors," where we will explain the mechanisms of Nisshinbo Micro Devices' position sensors, which are active in various scenarios, and how to effectively utilize them. This webinar is designed for those who have challenges with optical position detection, are interested in optical position sensors, or want to learn how to utilize optical position sensors, allowing participants to not just "listen" but also "ask questions and resolve issues on the spot." ● Target Participants - Those who have challenges with optical position detection - Those interested in optical position sensors - Those who want to learn how to utilize optical position sensors ● Agenda 1. Photo Reflectors / Position Sensors - About Photo Reflectors - Using Photo Reflectors as Position Sensors - Measuring More Precisely = Reflective Optical Encoders 2. Position Sensors / Optical Encoders - The Mechanism of Reflective Optical Encoders 3. How to Utilize Optical Encoders 4. Q&A We look forward to your participation.

We will provide a detailed explanation of the basics of DC/DC converters and tips for selecting surrounding components. Experts from Nisshinbo Micro Devices will introduce key points for selecting inductors, diodes, and capacitors, along with considerations for PCB design, using specific examples. We will also have a Q&A session, so please join us. ● Target Audience - Engineers and students who want to deepen their understanding of the basics of DC/DC converters or are considering using them in the future. - Those who have concerns about the use and selection of components such as inductors, diodes, and capacitors, and may be unconsciously refraining from adopting DC/DC converters. - Designers who want to learn about PCB design considerations, EMI countermeasures, and snubber circuit design techniques. - Managers who want to understand the selection of power ICs and the design process to improve project efficiency. ● Agenda 1. About DC/DC converters 2. Control methods for DC/DC converters (Voltage mode / Current mode) 3. Phase margin 4. Selection of surrounding components 5. PCB design 6. About web simulators 7. Q&A or introduction of FAQs Thank you for your participation.

This is a webinar where you can "ask questions and get solutions on the spot" instead of just "listening" to the basics of power ICs. From the differences between synchronous and asynchronous rectification to PWM and PFM control methods, as well as protection features—experienced FAE will clearly explain points where beginners often stumble. With recorded presentations and live chat Q&A with the instructors and engineers, busy engineers can learn efficiently. ● Agenda 1. Types of Power ICs A quick overview of the classification of linear and switching regulators (a brief explanation of types using inductors, transformers, and capacitors). 2. What is a DC/DC Switching Regulator? Explanation of features and synchronous/asynchronous rectification. 3. Operation and Control Methods Illustrated explanation of the operation of DC/DC switching regulators, including inductor-type PWM control, PFM control, and forced PWM control methods. 4. Other Functions (Protection Features) Explanation of protection features. 5. Charge Pump and Flyback Explanation of the operation of methods with different components and architectures, including a comparison of charge pumps with inductor types. Thank you for your participation.

We will introduce AFE (Analog Front End) in the webinar titled "Streamlining Sensor Surroundings - Nisshinbo Micro Devices' AFE Series." "Always busy, no development resources, and putting off reviewing existing circuits!" This is the eternal challenge for analog front-end developers. The difficulty level is beginner to intermediate, and we encourage participation from those involved in circuit design around sensors, as well as those facing challenges. ● Target Participants - Beginners learning about analog front-end circuits - Those dealing with analog ICs, particularly those with issues related to analog front-end component selection, circuit design, or problems they want to solve - Team leaders who cannot allocate resources for modifying existing circuits ● Agenda 1. Overview of the three-part webinar series 2. What is an AFE device? 3. Market and AFE positioning 4. Introduction to NISD's AFE product lineup and product features 5. Introduction to the development environment 6. Answers to pre-submitted questions and live chat Q&A Thank you for your participation.

"Teach Me RF Devices" ~ How to Use RF Switches and Points to Note ~ We will explain how to use communication devices from Nisshinbo Micro Devices that support product development requiring high-speed communication in various fields. The target audience includes designers involved in the circuit design of RF front-end blocks for communication equipment, designers who are currently considering or thinking about newly considering RF switches, and those responsible for purchasing components, making this webinar useful for anyone who wants to understand the role and operation of RF switches. The presentation part of this seminar will be conducted via video playback. We encourage everyone from those who are new to analog ICs to those who have specific concerns to participate! Additionally, during the webinar, we will accept questions and inquiries via Q&A, and our engineers will respond on the spot. ● Agenda 1. Review of RF Switches 2. Usage and Points to Note - Explanation of switch operation - Reasons for needing DC blocking capacitors - Explanation of products without DC blocking capacitors - Handling of unused terminals - Examples of ESD and surge countermeasures 3. Q&A Thank you for your participation!

"Are we also working on optical semiconductors!? Nisshinbo Micro Devices" Introduction of technology and products of the world's smallest and thinnest class optical sensors. We will introduce the types and applications of optical sensors from what optical semiconductors are, to our achievements in development and mass production that exceed 40 years, and how they are active in various fields. This webinar will be useful for those who want to know about the operation and usage of optical sensors, as well as those who are interested. The difficulty level is beginner, making it a recommended seminar for those who have not yet encountered optical sensors or ICs. The optical sensor we will introduce this time is a photoreflector position sensor. ● Target Participants - New employees and young designers from companies developing optical semiconductor products - Those who are struggling with handling optical semiconductor products - Those who want to know what optical semiconductors (optical sensors) are and are interested. ● Agenda - Basic knowledge about optical semiconductor devices - Lineup of optical semiconductor products - Introduction of owned technologies (What Nisshinbo Micro Devices can do) - Wafer process - Package technology - LED - Q&A Thank you for your participation.

This is the announcement for the second part of the Op-Amp Classroom Series, "Op-Amp Classroom - DC Characteristics and AC Characteristics." We will explain the DC and AC electrical characteristics as the basics of op-amps. We will start with an introduction to the fundamental functions, so those who have not participated in Op-Amp Classroom 1 are also welcome to join. The difficulty level is beginner to intermediate, so whether you are new to analog ICs or have specific issues, we encourage you to participate! ● Target Audience - Engineers who are new to analog circuit design - Board evaluators and test engineers - Those who are newly responsible for component purchasing ● Agenda 1. Electrical characteristics of op-amps (DC characteristics) - Input offset voltage / Input bias current - Common-mode input voltage range and input stage configuration - Output inversion of dual-supply op-amps - What are sink/source currents? - Crossover distortion 2. Electrical characteristics of op-amps (AC characteristics) - What is slew rate? - What is gain bandwidth product (GBW)? 3. Op-amp oscillation 4. Q&A Thank you for your participation!

We will start by introducing the basic functions of operational amplifiers (op-amps). The difficulty level is beginner, so we encourage everyone from those who want to start learning about analog ICs to those who have specific concerns to actively participate! ● Target Participants New employees, young designers Those who want to relearn about analog ICs Those who are about to engage in circuit design, etc. ● Title "Op-Amp Classroom - What is an Op-Amp?" The goal is to understand the role and functions of op-amps, learn the basics of op-amps, and provide useful information for circuit design. ● Agenda 1. What is an Op-Amp - What is an op-amp - What is an ideal op-amp - Application circuits of op-amps - Typical amplification circuits and gain 2. Structure of an Op-Amp 3. Classification of Op-Amps - Dual power supply/single power supply/full swing input/output - High precision/high speed/broadband/high output/low noise/low power consumption Thank you for your participation!

"I want to use AFE, but it seems difficult, and I don't know what I can do with it..." We often hear such voices. In this webinar, we will explain how to use the NA2204 demo board, a multifunctional AFE controlled by commands, using videos. Through this, we will assist you in selecting an AFE. The content is designed to be understandable even for those who are hearing about Nisshinbo Micro Devices' AFE for the first time. ● Target Audience - Those who have never used AFE - Those who are unsure about selecting an AFE - Those who want to try using an AFE demo board ● Agenda 1. Introduction of the products and demo board used to explain how to use the demo board 2. Gain setting 3. OSR and DR settings 4. Offset correction 5. Gain adjustment 6. 50/60Hz rejection 7. Open circuit detection 8. Summary and contact information 9. Q&A Thank you for your participation.

The highly acclaimed program "Fundamentals of Analog IC Series" by Nisshinbo Micro Devices has received applications from over 200 participants each time. This time, we are pleased to announce "Teach Me Power ICs: Basics of Lithium-Ion Batteries and Protection ICs." The goal is to understand the roles and functions of lithium-ion batteries and protection ICs, learn the fundamentals, and provide useful information for circuit design. We will start with an introduction to basic functions. The difficulty level is beginner, so we encourage everyone, from those who are new to power ICs to those facing challenges, to participate! ● Agenda 1. What is a lithium-ion battery? 2. Types of lithium-ion secondary batteries (LIB) 3. Major manufacturers of LIB (Cell Maker) 4. LIB Supply Chain 5. Why is protection for LIB necessary? 6. Methods of LIB protection 7. Basic operation of protection circuits 8. Product lineup of Nisshinbo Micro Devices 9. Chip cross-section (process structure) 10. Rules for product names 11. Q&A Thank you for your participation!