Electric Vehicle Power Inverter Market: Strategic Developments

Automotive manufacturers are progressively transitioning their production from conventional engine vehicles to hybrid and electric vehicles. This is attributed to increasingly stringent global emission standards. Concurrently, governments worldwide are implementing incentives to encourage the adoption of electric vehicles and stimulate sales in this sector. Subsequently, the electric vehicle demands are poised to surge the sales of critical components integral to electric vehicles. For instance, electric vehicle power inverters. As per Inkwood Research, the global electric vehicle power inverter market is expected to project a CAGR of 14.36% during 2024-2032 and is set to reach a revenue of $34868.78 million by 2032.

Furthermore, several manufacturers have committed to developments associated with electric vehicles and their components. This blog focuses on strategic product developments by key players regarding electric vehicle power inverters.

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Electric Vehicle Power Inverter Market - Inkwood Research

Global Electric Vehicle Power Inverter Market: Strategic Product Developments Prominent Players

  • Tesla’s Offbeat Silicon Carbide Inverter

In 2018, with the introduction of the Model 3, Tesla pioneered the incorporation of SiC metal-oxide-semiconductor field-effect transistors (MOSFETs) from STMicroelectronics into an internally designed inverter. While the overall design boasts numerous innovations, the integration of SiC packages stands out as a primary advancement.

The utilization of SiC MOSFETs presents a breakthrough in inverter design and opens avenues for novel materials. Coping with increased areal power densities involves the use of a Cu lead frame, replacing conventional Al wire bonds. Moreover, the die-attach material has transitioned from conventional solders to Ag-sintered die-attach.

As with any nascent technology, cost has traditionally impeded the widespread adoption of SiC MOSFETs and related materials in power module packages. However, Tesla has effectively addressed this challenge, achieving a noteworthy cost reduction in its inverter within a mere three years.

The outcome is a Tesla inverter and permanent magnet motor combination that stands among, if not at the pinnacle of the market. With an impressive 97% efficiency, it delivers extended range without necessitating a costly increase in battery capacity. All this, while maintaining a comparable cost to the older technologies it is displacing. (Source)

  • Diamond Foundry strikes Gold with its Latest Innovation

Diamond Foundry Inc has launched an electric car inverter utilizing diamond wafers. With this, the entity has reached a significant milestone in electric vehicle technology. This advanced inverter is six times smaller than the one in Tesla Model 3. Even outperforming in both efficiency and power delivery. The incorporation of diamond wafers is credited for this groundbreaking feat. This further significantly enhances thermal conductivity and electrical insulation – two crucial factors in semiconductor design. The progress in miniaturization represents a notable advancement in electric car efficiency, potentially reshaping power electronics in the industry.

Diamond Foundry’s innovation utilizes the unique properties of diamond wafers to address longstanding thermal challenges in power semiconductors. The company’s inventive approach enables robust voltage isolation while maintaining optimal thermal performance. Additionally, this creative use of diamond wafers overcomes past limitations in a cost-effective manner, paving the way for new designs in power electronics.

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  • Hillcrest’s Pioneering Promise

The US and Canadian governments aim for net-zero emissions by 2050, necessitating substantial electrification. However, auto manufacturers face mineral shortages, especially lithium, crucial for EV batteries. With the surge in electric vehicle (EV) sales, battery demand may double by 2050.

Hillcrest Energy Technologies Ltd addresses this by introducing a groundbreaking ‘soft switching‘ inverter. Unlike conventional ‘hard switching’ inverters in EVs, Hillcrest’s inverter utilizes Zero Voltage Switching (ZVS) technology, eliminating trade-offs. This results in enhanced efficiency, performance, and reliability, allowing manufacturers to produce batteries up to 15% smaller while maintaining performance and reducing the need for lithium and other metals.

Hillcrest’s ZVS inverter marks a significant breakthrough, addressing challenges present in the industry since the 1990s. (Source)

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Electric Vehicle Power Inverter Market: Reassuring Inputs

The electric vehicle market’s rapid growth is driven by the imperative for decarbonization, aligning with sustainability goals. The electric vehicle power inverter, crucial in the drive system, converts DC battery voltage to AC, propelling the traction motor for vehicle torque.

Notably, the on-board charging system, serving as a rectifier for AC-to-DC conversion, significantly influences charging times. This system interfaces with Level 1 or Level 2 chargers, enhancing the AC-to-DC charging service when plugged into the vehicle.

Furthermore, combining the on-board charger and inverter in some instances leverages high-voltage architecture efficiencies. This integrated approach, coupled with effective thermal management, enhances power output, expediting the charging process. As a result, strategic product developments and integrations are expected to bode well for the global electric vehicle power inverter market.

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By Akhil Nair


The electric vehicle power inverter is a crucial component responsible for converting direct current (DC) from the vehicle’s battery into alternating current (AC) for the electric motor. This conversion is vital for powering the motor and ensuring the efficient operation of the electric vehicle.

Advancements in electric vehicle power inverters often result in improved energy efficiency, faster response times, and better thermal management. The evolution of power inverter technology contributes to extended battery life, increased driving range, and optimized electric drivetrain performance, thereby influencing the overall efficiency and capabilities of electric vehicles.