ROHM Semiconductor GmbH
"R" represents the first letter of our original main product, Resistors. This was put together with the unit for resistance " ohm". The "R" now also stands for "Reliability". "Quality First" is ROHM's corporate policy.
ROHM Semiconductor GmbH Articles
Web simulation tool verifies power devices
ROHM has announced to start to provide with a web simulation tool, ‘ROHM Solution Simulator’, which allows designers of electronic circuits and systems in the automotive and industrial markets to simultaneously verify power devices and ICs on 44 different solution circuits.
Shunt resistors feature high rated power
ROHM has announced the availability of shunt resistors, GMR50 series, delivering four watt rated power (at electrode temperature TK=90°C) in the compact 5.0x2.5mm (2010 type package) size. It is well suited for current detection in motors and power supply circuits used in automotive systems and industrial equipment.
ROHM Semiconductor pulls out of embedded world
ROHM Semiconductor has been closely observing the situation following the spread of the novel coronavirus, with the goal of making a fact-based decision related to its attendance at embedded world 2020, and due to this, the company has decided to pull out of the show.
Intelligent power devices for standalone protection
ROHM has announced the availability of the BV2Hx045EFU-C, a family of high voltage (41V) dual channel output high side switch (Intelligent Power Devices, IPD) optimised for automotive ECUs in transmission control, engine control, and other vehicle systems. IPDs are semiconductor devices that protect electronic circuits from breakdown (i.e. due to overcurrent during abnormalities).
Efficient power management IC for nano applications
ROHM has announced the availability of a highly integrated and efficient power management IC (PMIC), BD71850MWV, optimised for NXP Semiconductors’ i.MX 8M Nano family of application processors, which features exceptional computing, and audio performance. It is the latest addition to ROHM’s growing portfolio of PMICs designed for NXP’s i.MX application processors.
Solutions for industrial and automotive applications
At Embedded World in Nuremberg, Germany (February 25th to 27th 2020), ROHM Semiconductor will showcase its latest products for the industrial sector, such as PMICs, solutions for predictive maintenance, and power semiconductors in hall 3A, stand 121. The company’s focus on automotive applications will be functional safety and ADAS.
High noise tolerant comparators enable simpler automotive designs
ROHM has announced the development of the BA8290xYxxx-C-Series series of ground sense comparators delivering breakthrough tolerance against EMI (noise resistance,) suitable for sensor applications in automotive systems such as ECUs and powertrain.
Ultra-low 200V IR Schottky Barrier Diodes
ROHM has announced the availability of 200V ultra-low IR Schottky Barrier Diodes (SBD) optimised for automotive applications including powertrains and xEVs. The RBxx8BM/NS200 expands on the RBxx8 lineup of SBDs enabling high temperature operation that have already been proven in the automotive market in Japan.
Cameras cannot weigh down vehicles
Redesigning MOSFET packaging helped Rohm to meet the demands of automotive cameras for high current handling capability
Multiband wireless communication LSI for smart meters
ROHM Group company LAPIS Semiconductor has announced the availability of a multiband (sub-1GHz/2.4GHz) wireless communication LSI, ML7421, optimised for applications requiring low power consumption over relatively long distances, such as smart meters, gas/fire alarms, smart agriculture and home/building security systems.
Four-pin package SiC MOSFETs with lower switching loss
ROHM has announced the availability of six new trench gate structure SiC MOSFETs (650V/1200V), the SCT3xxx xR-Series, well suited for server power supplies, UPS systems, solar power inverters, and EV charging stations requiring high efficiency. The SCT3xxx xR series utilises a four-pin package (TO-247-4L) that maximises switching performance.
Automotive-grade backlight LED driver optimised for LCD panels
ROHM has announced the availability of the latest LED driver IC, the BD81A76EFV-M, optimised for LCD backlight in instrument cluster, centre information displays and car navigation. Unlike conventional drivers with four channels that support LCDs up to eight inches, this IC provides six channels of output (with 120mA per channel) that can support LCD panels of up to ten to 12” class.
Buck-boost DC/DC converter achieves power savings
ROHM has announced the availability of a buck-boost DC/DC converter with integrated MOSFET, the BD83070GWL. It combines efficiency with high current consumption, making it well suited for IoT, wearables, and portable devices as it can prolong operating time in battery-equipped applications.
Ultra-compact automotive MOSFETs bring mounting reliability
ROHM has announced the development of ultra-compact 1.6x1.6mm size MOSFETs that deliver superior mounting reliability. The RV4xxx series is AEC-Q101 qualified, ensuring automotive-grade reliability and performance under extreme conditions. ROHM’s original package processing technology enables the miniaturisation of automotive components, such as ADAS camera modules, that demand high quality.
Compact LEDs eliminate the need for light leakage countermeasures
ROHM has announced the availability of compact high output surface mount LEDs equipped with lens. This new lineup includes 18 devices, comprised of the CSL0901 series featuring standard brightness and the high brightness CSL0902 series.
Ultra-compact high accuracy earthquake detection sensor
ROHM has announced the availability of an ultra-compact high accuracy seismic detection sensor module, BP3901, which is well suited for applications requiring reliable earthquake detection, such as automatic doors, unmanned transport vehicles, and smart meters.
Realise the potential of automotive SiC MOSFETs
Some of the limitations of SiC MOSFETs can be countered with the use of suitable packages, propose Christian Felgemacher, Felipe Filsecker, Farhan Beg and Aly Mashaly, Rohm Semiconductor and Seiya Kitagawa, Rohm
Power management IC optimised for mini applications processors
ROHM has announced the availability of BD71847AMWV, a highly integrated and efficient power management IC (PMIC) optimised for NXP Semiconductors’ i.MX 8M Mini family of application processors, which features computing, audio, video, and graphics performance. BD71847AMWV is the latest addition to ROHM’s growing portfolio of PMICs designed for NXP’s i.MX application processors.
MOSFETs enables energy savings for inverters in AC systems
A new lineup of its PrestoMOSTM series of 600V super junction MOSFETs that includes 30 new models, has been announced by ROHM. This series increases design flexibility while maintaining the industry’s fastest reverse recovery time (trr) optimised for EV charging stations and motor drive in home appliances such as refrigerators and Air Conditioners (ACs).
High-performance D/A converter IC for high-end audio
At hifideluxe Munich 2019, which will be held at the same time as HIGH END, the trade fair for audio equipment in Munich, Germany (May 9th to 11th, 2019), ROHM Semiconductor will showcase the latest audio D/A converter IC (Audio DAC chip) and a hearing demo.