The super brand day,ROHM 3500+ MPN is waitting for you!

发布时间：2018-05-26 00:00
作者：Ameya360
来源：Ameya360
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　　About ROHM

　　ROHM was established in Kyoto in 1958 as initially a manufacturer of small electronic components. In 1967 production was expanded to include transistors and diodes, and in 1969 ICs and other semiconductor products were added to the lineup. Two years later (in 1971), going against conventional Japanese business culture, the company entered the US market by establishing a sales office and IC design center in Silicon Valley. Through the hard work and passionate dedication of its young work force, business flourished, causing the industry to take notice. ROHM's expansion overseas soon became a template for other companies and eventually was accepted as common business practice.

　　Continuing to be the ideal partner

　　In this global age, ROHM strives to be closer than ever to the customer by establishing sales, design, and QA centers throughout the world, ensuring the highest degree of customer service anywhere. Please do not hesitate to contact your nearest ROHM office.

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The super brand day,ROHM 3500+ MPN is waitting for you!

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The super brand day,ROHM 3500+ MPN is waitting for you!

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ROHM Develops a New Op Amp that Minimizes Current Consumption
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ROHM Develops a New Op Amp that Minimizes Current Consumption

　　ROHM has developed a linear operational amplifier (op amp) - LMR1901YG-M - featuring the lowest* current consumption in the industry. This makes it ideal for amplifying sensor signals used to detect and measure temperature, flow rate, gas concentration, and other parameters in applications powered by internal sources (i.e. batteries).　　In recent years, advanced control has been in increasing demand for various applications in consumer and industrial electronics. Therefore, there is an increasing need for accurate sensing of parameters relevant to the application - such as, temperature, humidity, vibration, pressure, and flow rate. Op amps whose main function is to amplify sensor signals for subsequent detection and/or analog-to-digital conversion, is a crucial component in the signal chain - greatly affecting both accuracy and power consumption. ROHM is developing op amps that satisfy the dual need for high accuracy and low current consumption. By further refining the circuit design based on original Nano Energy™ technology, ROHM is now able to offer an op amp that delivers the lowest current consumption on the market.　　The LMR1901YG-M leverages original ultra-low power technology that thoroughly suppresses current increase caused by temperature and voltage changes to reduce current consumption to just 160nA (Typ.) - approximately 38% lower than that of general low power op amps. This not only extends the life of applications powered by internal batteries like electronic shelf labels, but also contributes to longer operating times for smartphones and other devices equipped with rechargeable batteries. At the same time, this low current consumption does not change over the temperature range of -40°C to +105°C - allowing stable low-power operation, even in environments where external temperatures fluctuate, including fire alarms and environmental sensors.　　Other performance enhancements include 45% reduction of input offset voltage to just 0.55mV (Max. Ta=25°C) over general low-current op amps while a maximum input offset voltage temperature drift of 7V/°C is guaranteed. This enabling high accuracy amplification of sensor signals. Capable of operating from 1.7V to 5.5V supply voltage and offering rail-to-rail input/output, LMR1901YG-M is suitable for a wide variety of applications in the industrial equipment and consumer markets. ROHM’s new op amp also complies with the automotive reliability standard AEC-Q100 - ensuring stable operation even under harsh conditions such as vehicle cabins without compromising functionality.　　In addition to various technical documents necessary for circuit design and SPICE models for simulation (available free of charge on ROHM’s website), the LMR1901YG-M can be used with ROHM Solution Simulator to speed up time to market.　　Going forward, ROHM will continue to pursue further power savings in op amps using proprietary ultra-low power technology. On top, ROHM aims to improve the performance of op amp lineups by reducing noise and offset - increasing power savings and expanding the power supply voltage range while contributing to solving social issues through higher accuracy application control.　　Application Examples• Consumer applications: smartphones, smartwatches, wearables, fire alarms, motion sensors, etc.　　• Industrial equipment: electronic shelf labels (ESL), handheld measurement instruments, data loggers, environmental sensors for IoT, etc.　　• Automotive systems: anti-theft sensors, drive recorders, etc.　　Online Sales InformationSales Launch Date: November 2023　　Pricing: $4.0/unit (samples, excluding tax)　　Online Distributors: DigiKey, Mouser and Farnell　　The products will be offered at other online distributors as they become available.。　　Product Information　　Applicable Part No: LMR1901YG-M　　Online Distributors　　What is Nano Energy™ Technology?Nano Energy™ refers to proprietary ultra-low current consumption technology that achieves a current consumption on the order of nano ampere (nA) by combining advanced analog technologies covering circuit design, layout, and processes utilizing ROHM’s vertically integrated production system.　　This contributes to not only extending the operating time of battery operated IoT and mobile devices, but also improved efficiency in industrial and automotive equipment where increased power consumption is problematic.　　*Nano Energy™ is a trademark or registered trademark of ROHM Co., Ltd.　　TerminologyInput Offset Voltage　　Refers to the error voltage that occurs between the input terminals of an op amp.　　Input Offset Voltage Temperature Drift　　The fluctuation in input offset voltage caused by a rise/fall in temperature. The smaller this value is the higher the op amp accuracy. Zero-drift op amps automatically compensate for input offset temperature drift.　　Rail to Rail Input/Output　　A circuit format that allows the input and output voltages of an op amp to accommodate the entire supply voltage range. The supply voltage in this case is called a Rail.　　ROHM Solution Simulator　　A free electronic circuit simulation tool that runs on ROHM’s website. A wide variety of simulations are supported, from component selection and standalone device verification to system-level operational testing.
2024-04-12 11:51 阅读量：328
ROHM was recognized as
Trade news

ROHM was recognized as "Sports Yell Company 2024＋" by Japan Sports Agency

　　ROHM Co., Ltd. was recognized by Japan Sports Agency as Sports Yell Company 2024 for the fourth year in a row.　　This system was established in 2017 to recognize companies that are proactive in their efforts to implement sports to improve the health of their employees, not only through sports competitions but also by providing exercise opportunities such as exercise and stretching during the morning and lunch breaks, encouraging the use of stairs, walking, and commuting by bicycle, and holding standing meetings. Such companies are certified as Sports Yell Company.　　The system aims to improve the sports participation rate of the entire nation, including the working-age population, by increasing the social reputation of companies that promote the creation of an environment in which employees can become familiar with sports. ROHM's company-wide activities to promote exercising have been recognized, leading to certification for the fourth consecutive year.　　Also, with 72% of ROHM's employees being regular exercisers, ROHM received the + (plus) designation, granted to companies where at least 70% of employees engage in sports at least once a week, for the second consecutive year.　　ROHM has organized a Health Promotion Committee to promote the health of its employees. ROHM has been actively promoting activities to improve exercise habits - holding walking events for employees and their families every year since 1991, as well as conducting walking campaigns using a health app, distributing reference materials for exercising on a regular basis, holding online yoga seminars, and organizing events where employees can walk alone or in small groups with their workmates or family members.　　ROHM's top management has declared in the Health and Productivity Management Declaration that ROHM will "achieve well-being and become a company where everyone can work with vitality" and aims to fulfill its Medium-term Management Plan and achieve sustainable growth. ROHM has also set Ensuring the Health and Safety of Employees as one of the Sustainability Priority Issues necessary for sustainable growth. ROHM will continue in our efforts to maintain and promote all employees' health and to achieve a good work-life balance.
2024-04-07 15:22 阅读量：402
ROHM Develops Automotive Primary LDOs: Leveraging Original QuiCur™ Technology to Achieve Industry-Leading* Load Response Characteristics
Trade news

ROHM Develops Automotive Primary LDOs: Leveraging Original QuiCur™ Technology to Achieve Industry-Leading* Load Response Characteristics

　　ROHM has developed 45V rated 500mA output primary LDO regulators: BD9xxM5-C (BD933M5EFJ-C / BD950M5EFJ-C / BD900M5EFJ-C / BD933M5WEFJ-C / BD950M5WEFJ-C / BD900M5WEFJ-C). These devices are suitable for supplying power to automotive electronic components such as ECUs that operate from vehicle batteries.　　In recent years, the number of onboard power supply system and functions continues to grow as electrification in the automotive industry progresses. This increases the demand for primary LDOs that can directly step down the battery voltage to MCUs and other components used in ECUs. However, the energy supplied by the vehicle’s lead-acid battery is often subject to sudden voltage fluctuations, which primary LDOs are required to provide with excellent line-transient response in these conditions.　　At the same time, ECUs and other downstream devices often experience load current variations during operation, that also demand excellent load-transient response characteristics. A high frequency response is essential for fast output voltage recovery, but it has been difficult to provide sufficient phase margin at the same time to ensure stable operation. In response, ROHM developed a novel solution that addresses these challenges.　　The BD9xxM5-C incorporates original QuiCur™ high-speed load response technology that delivers excellent response characteristics to load current fluctuations. For example, the LDO can maintain output to within 100mV of set voltage even as the load changes between 0 and 500mA in 1μs (Rise time/Fall time). Furthermore, low 9.5µA (typ.) current consumption contributes to lower power consumption in automotive applications. These new products will be available in four packages, ranging from the compact HTSOP-J8 to the high heat dissipation TO252 (TO252-3/TO252-5) and HRP5 types. This allows users to select the most suitable package for each use case.　　Going forward, ROHM will continue to improve reliability while reducing power consumption in automotive applications by developing products utilizing its strengths in analog and other technologies.　　Product LineupThe new BD9xxM5-C meets the basic requirements for automotive products, including 150°C operation and qualification under the AEC-Q100 automotive reliability standard. A wide range of packages will be available to select from depending on the application environment, all featuring excellent response performance and low current consumption using proprietary QuiCur™ technology.　　The lineup will be expanded to comprise a total of 18 models, (including the TO252-3, TO252-5, and HRP5 packages) by FY2024.　　Application ExamplesSuitable for a wide range of automotive applications such as ECUs that operate on vehicle primary power supply systems.　　• Powertrain: Fuel Injection (FI), Tire Pressure Monitoring System (TPMS)　　• Body systems: Body Control Modules　　• Infotainment: Instrument Clusters, Head-Up Displays (HUDs)　　QuiCur™ High-Speed Load Response TechnologyQuiCur™ is the name of ROHM’s proprietary ‘Quick Current’ high-speed load response circuit capable of maximizing load response characteristics (response performance) without causing instability in the feedback circuits of power supply ICs.　　Stable operation of the power supply IC is also possible with minimal output capacitance. And in the case of switching regulators, which are a type of power supply IC, it is possible to linearly adjust the capacitance and output voltage fluctuation to easily achieve stable operation even when the capacitance is changed due to specification changes, significantly reducing the number of person-hours required for power circuit design - both in terms of decreasing component count and ensuring stable operation.　　Click on the URL below for more information on QuiCur™ Technology.　　https://www.rohm.com/news-detail?news-title=rohm-establishes-quicur-that-maximizes-the-response-performance-of-power-supply-ics&defaultGroupId=false　　• QuiCur™ is a trademark or registered trademark of ROHM Co., Ltd.　　Support ToolsROHM Real Models are high accuracy SPICE models that utilize original model-based technology to faithfully reproduce the electrical and temperature characteristics of the actual IC, resulting in a perfect match between the IC and simulation values. This ensures reliable verification, contributing to more efficient application development - for example by preventing rework after prototyping.　　ROHM Real Models are now available on ROHM’s website (see link below).　　https://www.rohm.com/products/power-management/linear-regulators/single-output-ldo-regulators?page=1&PS_ProductSeries=BD9xxM5%20series&PS_SpiceLink=1.0#parametricSearch　　Online Sales InformationSales Launch Date: February 2024　　Pricing: $1.5/unit (samples, excluding tax)　　Online Distributors: DigiKey, Mouser and Farnell　　The products will be sold at other online distributors as well.　　Applicable Part Nos: BD950M5EFJ-C, BD933M5WEFJ-C, BD950M5WEFJ-C, BD900M5WEFJ-C　　TerminologyPrimary　　In a power supply circuit, the side in charge of 1st stage conversion from a power source such as a battery is called the primary and the side responsible for 2nd stage conversion referred to as the secondary.　　LDO Regulator (Low Drop Out/Low Saturation Regulator)　　A type of power supply IC that converts between two different DC voltage levels. Falls under the category of linear regulator (where the input/output voltages operate linearly) characterized by a small input-output voltage difference. Compared to DC-DC converter ICs (switching regulators), LDOs feature a simpler circuit configuration and lower noise.　　Load Current　　From the point of view of the power supply ICs, all electronic circuits in the subsequent stages, including MCUs and sensors, can be considered “loads”. When these loads operate, a (load) current flows, causing the output voltage of the power supply IC to undershoot (drop) or overshoot. Load transient response characteristics refer to the response time until the changed voltage due to load current is restored and the power supply stabilizes.
2024-03-27 11:07 阅读量：182
ROHM's EcoGaN™ has been adopted in the 45W Output USB-C Charger C4 Duo from Innergie, a brand of Delta
Trade news

ROHM's EcoGaN™ has been adopted in the 45W Output USB-C Charger C4 Duo from Innergie, a brand of Delta

　　ROHM has announced the adoption of its 650V GaN device (EcoGaN™) in the C4 Duo, a 45W output USB-C charger from Innergie, a brand of Delta. Delta is a global provider of IoT-based Smart Green Solutions headquartered in Taiwan. ROHM’s EcoGaN™ device contributes to greater application performance, reliability, and miniaturization by providing higher efficiency in power supply systems.　　Efforts to save energy are accelerating toward achieving a sustainable society by reducing power loss, especially in equipment that handle high power. Furthermore, GaN devices that enable high-speed switching are being considered for power supplies, since high frequency operation not only saves energy but also allows the use of smaller circuits.　　Offering GaN-based devices under the brand name EcoGaN™, ROHM is advancing product development and providing solutions by focusing on mastering the use of GaN, which has high potential but is difficult to handle. For discrete products, mass production of 150V withstand GaN HEMTs began in 2022 and 650V withstand GaN HEMTs in 2023 featuring industry-leading device performance (RDS(ON) × Ciss / RDS(ON) × Coss). What’s more, integrating an ESD protection element into the GNP1150TCA-Z improves ESD breakdown tolerance by approximately 75% over standard GaN HEMTs, and has been evaluated to improve application reliability that ultimately led its adoption.　　Yuhei Yamaguchi, General Manager,　　Power Stage Product Development Dept., LSI Business Div., ROHM Co., Ltd.　　We are pleased to have ROHM's EcoGaN™ incorporated into USB-C chargers from Delta, a global leader in power and thermal management solutions. ROHM contributes to Delta’s prowess in high-energy power supplies by leveraging analog technology that maximizes power semiconductor performance and achieves superior topologies. Both companies share a similar management vision to realize a decarbonized and digital society, forming a strong partnership that resulted in the adoption of ROHM devices and ICs in Delta’s power circuit design. Furthermore, we look forward to our continued collaboration to promote greater miniaturization and efficiency in chargers and other products that can contribute to enriching people’s lives.　　Jason Chen, General Manager,　　Innergie, a brand of Delta　　The development of GaN power devices is a major focus in the global electronics industry, and therefore, we have deepened our collaboration with ROHM over the past several years. Moreover, in 2022, we initiated a strategic partnership to jointly develop next-generation power semiconductors for power supply systems. This partnership has delivered ROHM’s advanced 650V GaN (GNP1150TCA-Z) devices, which are now supporting Innergie’s new products. The C4 Duo is the first model from Innergie’s One for All Series adapters to use ROHM’s GaN devices, and we expect more models to adopt this state-of-the-art technology. We believe that, by strengthening our collaboration with ROHM, we will be able to provide customers adapters featuring higher power efficiency and capability, but with much smaller product size.　　Related Pages　　・Delta Electronics Website　　https://www.deltaww.com/en-US/index　　・Innergie Website　　https://myinnergie.com/us/product/c4-duo-45w-dual-usbc-power-adapter-fold/　　・ROHM's GaN Power Device Website　　https://www.rohm.com/products/gan-power-devices　　ROHM EcoGaN™　　Refers to ROHM’s new lineup of GaN devices that contribute to energy conservation and miniaturization by maximizing GaN characteristics to achieve lower application power consumption, smaller peripheral components, and simpler designs requiring fewer parts.
2024-02-27 13:51 阅读量：417
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