![]() ROHM’s new products provide a significant improvement over the ±5% (equivalent to 5☌ at 90☌) of standard temperature monitoring functions, achieving ☒% (equivalent to 2☌ at 90☌) equivalent to thermistors. 2.Dramatically improved temperature monitoring accuracy, making it possible to consider eliminating an external thermistor The result is class-leading performance that delivers lower power consumption in a variety of equipment. At the same time, incorporating ROHM’s latest IGBT reduces power loss by 6% (fc=15kHz) compared with conventional products by decreasing both conduction and switching losses. Optimizing the built-in IGBT’s characteristics and soft recovery characteristics of the internal FRD reduces radiated noise by over 6dB (at peak comparison) vs standard products, making it possible to consider simplifying the noise filter typically required. Achieves best-in-class low noise characteristics with low loss These products contribute to reducing application design load and power consumption while solving the social challenges such as environment protection. ROHM is committed to further expand its lineup for a wide range of applications, including products optimized for the automotive sector. ![]() This integrated function is helping to distinguish the failure status by applying “Short Current Protection”, “Under Voltage Protection” or “Thermal Shutdown Protection”. Error identification mode has also been added. ![]() Furthermore, a new function for identifying the product after mounting has been added to help prevent mounting errors. ![]() This makes it possible to consider eliminating the external thermistor required with existing high accuracy temperature monitors, reducing the number of external parts along with design load. In addition, the new product dramatically improved the built-in temperature monitoring function, results in high ☒% accuracy (equivalent to 2☌). Also, the latest low-loss IGBTs adopted in these IPMs reduce power consumption over ROHM’s conventional IPM products by 6% (fc=15kHz), achieve class-leading low loss, and contribute to reduction of various equipment power consumption. Optimizing the built-in IGBT’s characteristics and soft recovery characteristics of the internal FRD (Fast Recovery Diode) allows the BM6437x series to decrease radiated noise by more than 6dB (at peak comparison) over standard products, making it possible to consider simplifying the noise filter that is typically required. ![]() The devices are used in compact industrial equipment, such as small capacity motors for robots, as well as home appliances – including air conditioners and washing machines. ROHM developed four new 600V IGBT Intelligent Power Modules (IPMs), BM6437x series, that deliver best-in-class low noise characteristics together with low loss ideal for power conversion in inverters. ![]()
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