Super low Ron! Power MOSFET for mild hybrid vehicle -Renesas Automotive MOSFET ANM2 series
From the viewpoint of the countermeasure to global warming in the worldwide, many countries mentioned the electrification of vehicle. Japanese government set the target; by 2035, all new cars will be electrification vehicles. “Electrification vehicles” which Japanese government mentioned means not only battery EV and fuel cell vehicle but also hybrid and plug-in hybrid vehicle. On the other hand, EU shows assertive stance to electrification vehicles. EU proposed effective ban on the sales of new petrol and diesel cars in 2035. This proposal includes 100% cut in CO2 emissions from the vehicles by 2035.
The activity of hybrid and battery electric vehicle is accelerated in the world, but do you know the mild hybrid vehicle? High voltage over several hundred volts is used in the battery voltage system of hybrid and battery electric vehicle. For the battery system over 60V, strict standard for safety is applied and the cost for the safety will be increased. Therefore, mild hybrid vehicle for 48V battery system is developed to decrease both the cost and CO2 emissions. Electrification vehicle has the political aspect, and some Tier1s and OEMs consider that it needs much time to complete electrification and there would be still some shares for mild hybrid vehicle in the future. I would like to introduce our Power MOSFET for mild hybrid vehicle in this blog.
Renesas offers ANM2 series Automotive MOSFET product for 48V battery system in mild hybrid vehicle. Renesas released the latest ANM2 product; RBA250N10CHPF. TO-263 7pin SHL package is applied to RBA250N10CHPF, and RBA250N10CHPF can achieve not only low Ron but also low thermal resistance. Many customers in the world use ANM2 products mainly for motor control application. Now, ANM3 product as next generation of ANM2 is being developed.
Renesas focuses on low Ron MOSFET. For next generation ANM3, by their own wafer process technology to lower Ron, Ron index can be lower than that of ANM2. *Ron index means Ron as wafer process; 1.0 (ANM2) → 0.8 (ANM3 100V), 0.58 (ANM3 80V). Renesas will apply TO-LL (Leadless) package to ANM3 and TO-LL package can decrease package Ron from conventional TO-263 7pin SHL (Short Head Lead) package. New wafer process and new package can make Ron lower drastically from 1.9mΩ in ANM2 product. By them, ANM3 products can achieve top class Ron performance.
ANM3 sample will be available; proto sample from November 2021, WS from Q4/2022, CS from Q4/2023.
Renesas has also Power MOSFET line-up for 12V&24V battery system besides for 48V battery system.
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