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ROHM Semiconductor
Catalog excerpts
Creating the Future of Automobiles
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Creating the Future of AutomobilesROHM will continue to innovate to promote vehicle safety. Contents xEV MAIN INVERTER ^ P.5 POWER TRAIN & SAFETY ENGINE CONTROL UNIT ^ P.11 ENGINE CONTROL UNIT for MOTORCYCLE ^ P.12 ELECTRONIC POWER STEERING ^ P.13 BODY & COMFORT BODY CONTROL MODULE ^ P.14 GATEWAY ECU ^ P.15 HVAC CONTROL MODULE ^ P.16 DOOR & MIRROR CONTROL MODULE ^ P.17 AUDIO & INFOTAINMENT HEAD UP DISPLAY ^ P.18
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LAPIS Semiconductor LSI Packages ^ p.57 Power Devices ^ p.63 Vertical Integrated Production System ^ P.119 ROHM Initiatives for Automotive ^ p Compatible Products ' ROHM Group Locations ^ p.122 Opto Devices
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Along with evolving technologies, ROHM continues to propose optimized solutions for the automotive industry. Throughout their history cars have continued to evolve in response to the growing awareness for safety, comfort, and the environment, in step towards continued electronification. In response to this demand for next-generation vehicles that embody these principles, and with automatic driving and smart cities soon to be realized, high performance ICs and high power devices are becoming indispensable. ROHM contributes to the evolution and advancement of the automotive sector and...
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Technolog y for the automotive future Hybrid Regenerative braking Solar cells Idle-stop start Vehicle wireless charging Intelligent HMI Holographic HUD GPS based navigation Automotive telematics Navigation(bird view)+Voice Navigation with VICS Gesture interface Integrated instrumentation panel Online services On-demand infotainment Electronic suspension Tire pressure monitor Drowsiness detection Front & Side monitor Side Airbag Power slide door Inter-car distance warning i-SRS airbag system wiper steering control control Brake assist Wireless door-lock Stereo camera Radar cruise control...
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MAIN INVERTER [DC / DC CONVERTER ] ON BOARD CHARGER | ELECTRIC COMPRESSOR PTC HEATER] BMS MAIN INVERTER The main inverter converts DC voltage supplied by the battery into 3-phase AC voltage for driving the motor. Conventional power devices for inverters typically utilize a combination of IGBTs and diodes, but SiC MOSFETs that reduce conduction and switching losses are attracting increased attention. DC/DC Converter MAIN INVERTER High Voltage Isolated Gate Driver Current Buffer Isolated Gate Driver Current Buffer Isolated Gate Driver Current Buffer Isolated Gate Driver Current Buffer...
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Technolog y for the automotive future MAIN INVERTER ELECTRIC COMPRESSOR DC/DC CONVERTER xEV is driven by a high-voltage battery and motor instead of the engine. The DC/DC converter converts the power device from the high voltage battery to a low DC voltage using a transformer. In order to protect the electronic circuits operating at low voltage, it is necessary to electrically isolate both the ground and signal from the low voltage board and high voltage board. Also, ROHM's DC/DC converter system that uses SiC MOSFET enables high-speed switching operation, achieving miniaturization and high...
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MAIN INVERTER | | DC/DC CONVERTER ELECTRIC COMPRESSOR ON BOARD CHARGER Onboard chargers (car chargers) consist of AC/DC converters that convert AC voltage (100V to 240V) to DC voltage to charge the high-voltage battery. To ensure worldwide compatibility, the permissible input voltage of many onboard chargers ranges from 85V to 265V. And to meet market needs for shorter charge times, the voltage specified under fast charging standards has increased along with battery voltage. As a result, onboard chargers are trending towards higher permissible input voltage, accelerating the use of SiC not...
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Technology for the automotive future MAIN INVERTER | | DC/DC CONVERTER | | ON BOARD CHARGER ELECTRIC COMPRESSOR PTC HEATER BMS ELECTRIC COMPRESSOR In xEVs, the AC compressor is electric. High voltage is used to increase motor efficiency, and for inverters that control rotation, high voltage, along with high efficiency, are important factors. ROHM IGBTs for electric compressors are high-performance, low-loss devices that provide superior short-circuit tolerance. Broad lineup of high voltage, large current products. The high EMI tolerance contributes to reduced use of anti-noise parts. •••P.48
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MAIN INVERTER | | DC/DC CONVERTER | | ON BOARD CHARGER| | ELECTRIC COMPRESSOR PTC HEATER BMS PTC HEATER (Positive Temperature Coefficient Heater) Conventional automotive heating systems utilize the exhaust heat of the internal combustion engines, but EVs have no internal combustion engines, and PHEVs generate little exhaust heat, so new heat sources are needed. As a result, PTC heater systems that integrate IGBTs to switch ON/OFF the PTC heater element are seeing increased adoption. An IGBT is used to turn the PTC heater element on and off. ROHM offers a lineup of 650V withstand voltage...
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Technology for the automotive future MAIN INVERTER | DC/DC CONVERTER | | ON BOARD CHARGER| | ELECTRIC COMPRESSOR | | PTC HEATER |BMS BMS (Battery Management System) BMS are necessary for controlling the required power and maximizing the range of electric vehicles. ROHM develops discrete products such as BMS switches (MOSFETs) and current detection resistors along with power supply ICs for battery control MCUs. Optimized solutions are offered for next-generation BMS that support multiple series connections. nnij I Op Amp I Voltage Detector Memory ■ Compara,or I (Reset 1C) High voltage LDOs...
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POWER TRAIN & SAFETY ENGINE CONTROL UNIT ENGINE CONTROL UNIT for MOTORCYCLE ELECTRONIC POWER STEERING ENGINE CONTROL UNIT With an emphasis on reducing emissions and increasing fuel economy, there is a race on increasing the engine efficiency. The purpose of the engine control unit is to sense the status of the engine and the surrounding systems and control the engine, especially the ignition. Sensor and driver accuracy play a large role in engine efficiency. This applies to power supplies as well. ROHM offers a wide lineup of power supplies that contribute to greater energy savings,...
Open the catalog to page 12All ROHM Semiconductor catalogs and technical brochures
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