Renesas Electronics Company introduced the event of a brand new era of Si-IGBTs (Silicon Insulated Gate Bipolar Transistors) which can be provided in a small footprint whereas offering low energy losses. Geared toward next-generation electrical automobile (EVs) inverters, AE5-generation IGBTs can be mass produced beginning within the first half of 2023 on Renesas’ 200- and 300-mm wafer traces on the firm’s manufacturing unit in Naka, Japan. Moreover, Renesas will ramp up manufacturing beginning within the first half of 2024 at its new energy semiconductor 300-mm wafer fab in Kofu, Japan to satisfy the rising demand for energy semiconductor merchandise.
The silicon-based AE5 course of for IGBTs achieves a ten% discount in energy losses in comparison with the current-generation AE4 merchandise, energy financial savings that may assist EV builders save battery energy and improve driving vary. As well as, the brand new merchandise are roughly 10% smaller whereas sustaining excessive robustness. The brand new Renesas units obtain the trade’s highest degree of efficiency for IGBTs by optimally balancing low energy loss and robustness tradeoffs. Furthermore, the brand new IGBTs considerably enhance efficiency and security as modules by minimizing parameter variations among the many IGBTs and offering stability when working IGBTs in parallel. These options present engineers higher flexibility to design smaller inverters that obtain excessive efficiency.
“Demand for automotive energy semiconductors is quickly rising, as EVs develop into extra broadly obtainable,” stated Katsuya Konishi, Vice President of Renesas’ Energy System Enterprise Division. “Renesas’ IGBTs present extremely dependable, sturdy energy options that construct on our expertise in manufacturing automotive-grade energy merchandise for the final seven years. With the newest units quickly to be in mass manufacturing, we’re offering optimum options and value efficiency for mid-range EV inverters which are anticipated to develop quickly sooner or later.”
Key Options of the New-Technology IGBT (AE5)
- 4 merchandise concentrating on 400-800V inverters: 750V stand up to voltage (220A and 300A) and 1200V stand up to voltage (150A and 200A)
- Regular efficiency all through the working junction temperature (Tj) vary from -40°C to 175°C
- Trade’s highest efficiency degree with an on-voltage Vce (saturation voltage) of 1.3V, a key worth for minimizing energy loss
- 10% larger present density in comparison with typical merchandise and small chip measurement (100mm2/300A) optimized for low energy losses and excessive enter resistance
- Steady parallel operation by decreasing parameter variations to VGE(off) to ±0.5V
- Maintains reverse bias protected working space (RBSOA) with a most Ic present pulse of 600A at 175°C junction temperatures, and a extremely sturdy quick circuit stand up to time of 4µs at 400V.
- 50% discount within the temperature dependence of gate resistance (Rg). This minimizes switching losses at excessive temperatures, spike voltage at low temperatures and quick circuit stand up to time, supporting high-performance designs.
- Accessible as a naked die (wafer)
- Permits a discount in inverter energy losses, enhancing energy effectivity by as much as 6% in comparison with the present AE4 course of on the similar present density, permitting EVs to drive longer distances and use fewer batteries.
Inverter Answer for EVs
In EVs, the motors that energy autos are managed by inverters. Switching units reminiscent of IGBTs are vital in minimizing energy consumption for EVs, as inverters convert DC energy to the AC energy that electrical automobile motors require. To help builders, Renesas provides the xEV Inverter Reference Answer, a working {hardware} reference design that mixes an IGBT, microcontroller, energy administration IC (PMIC), gate driver IC, and quick restoration diode (FRD). Renesas additionally provides the xEV Inverter Package, which is a {hardware} implementation of the reference design. As well as, Renesas gives a motor parameter calibration instrument and the xEV Inverter Utility Mannequin and Software program, which mixes an software mannequin and pattern software program for controlling the motor. These instruments and help applications from Renesas are designed to assist clients simplify their software program growth efforts. Renesas plans so as to add the new-generation IGBTs to those {hardware} and software program growth kits to allow even higher energy effectivity and efficiency in a smaller footprint.
