Tesla may consider adopting an 800-volt architecture for the Cybertruck and Tesla Semi. The comment was related during the company’s recent earnings call for the first quarter of 2022.
While receiving questions from shareholders, Tesla executives were asked why the company didn’t adopt the 800-volt architecture for its cars. Tesla competitors such as Porsche have adopted such a system for the Taycan. Lucid Motors went even further by adopting a 900-volt architecture for the air sedan.
According to Tesla, adopting an 800-volt architecture could provide a few benefits at a significant cost. Andrew Baglino, Tesla’s senior vice president of Powertrain and Energy Engineering, noted that the system doesn’t really make sense for vehicles like the Model 3 and Model Y. Switching to 800 volts would likely save the company $100 or so, but charging the cars would have to, Musk added. Changing the infrastructure and the entire vehicle system for it.
“For smaller platform vehicles like (Model) 3 and Y, there are some ups and downs with 800V. Not everything is better. And so we look at that platform, and we don’t like to ignore the fact that you can go to higher voltages, but there’s nothing to encourage us. really have to do it on that podium,” Baglino said.
Tesla SVP explained that the 800-volt architecture offers some legitimate advantages, but mostly for larger vehicles. Baglino noted that the architecture makes sense for electric cars that require more power when charging or more torque. Hence, Tesla is considering adopting an 800V architecture for upcoming vehicles such as the Cybertruck and Tesla Semi.
“In larger cars – where you’re talking about higher power on the charging side or more power from the battery to the power electronics or needing more torque – current requirements go up. There is little savings in semiconductors and actual conductors for the transition to higher voltage. And so, We consider that for Semi and Cybertruck. But for a 3/Y (typical) platform where everything is running, the benefit is questionably small,” Baglino noted.
Tesla’s work on 800-volt engineering likely won’t shine the spotlight, considering the company is largely focused on expanding its operations on the back of the Model 3 and Model Y. The company’s custom Robotaxi, which Elon Musk noted, won’t have steering wheels or The pedals, definitely not going to adopt the 800V geometry. Commenting on the car, Musk stated that there is a “basically zero” benefit to using the 800-volt architecture of the custom Robotaxi.
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