Electric Vehicle on-Board Charger Market - Global Industry Size, Share, Trends, Opportunity, and Forecast, 2021-2031

The Global Electric Vehicle On-Board Charger Market is projected to expand from USD 7.13 Billion in 2025 to USD 17.68 Billion by 2031, registering a CAGR of 16.34%. An electric vehicle onboard charger serves as an integrated power conversion device that transforms alternating current from external sources into the direct current required to charge the battery pack. This market expansion is primarily supported by the accelerating worldwide adoption of electric mobility and legislative mandates regarding clean transportation, which compel manufacturers to ensure widespread AC charging compatibility.

A notable challenge potentially impeding market expansion is the increasing development of direct current fast-charging stations, which bypass the onboard charger and reduce the necessity for high-capacity internal converters. Despite this technical shift, the broader sector continues to grow, as evidenced by data from the International Energy Agency indicating that global electric car sales exceeded 17 million units in 2024.

Market Drivers

The accelerating global adoption of battery and plug-in hybrid electric vehicles acts as the primary driver for the on-board charger market, as these units are essential for converting grid alternating current to the direct current required by battery packs. This surge in vehicle manufacturing directly amplifies the demand for efficient power conversion modules across all vehicle classes, illustrated by the China Association of Automobile Manufacturers reporting in the 'September 2025 New Energy Vehicle Production and Sales' update that monthly sales of new energy vehicles in China reached 1.6 million units in October 2025. Furthermore, the European Automobile Manufacturers' Association noted that battery-electric vehicles captured 16.4% of the total European Union market share during the first ten months of 2025.

Concurrently, the expansion of public and private AC charging infrastructure networks fundamentally underpins the necessity for reliable on-board charging solutions. Despite the emergence of fast-charging technologies, the widespread deployment of alternating current terminals at residences and commercial venues ensures that internal converters remain a critical subsystem for daily vehicle operation. According to the International Energy Agency's 'Global EV Outlook 2025' released in April 2025, the inventory of public charging points in Europe expanded by more than 35% in 2024 compared to the preceding year, compelling automotive OEMs to integrate versatile chargers that ensure compatibility with an increasingly dense and diverse grid ecosystem.

Market Challenges

The increasing development of Direct Current (DC) fast-charging stations presents a significant impediment to the growth of the Global Electric Vehicle On-Board Charger Market. Unlike standard charging methods that rely on the vehicle's internal hardware to convert Alternating Current (AC) into energy for the battery, DC fast chargers perform this high-power conversion externally, allowing electricity to bypass the onboard charger entirely and rendering the component redundant during rapid charging sessions. As automakers and infrastructure providers prioritize charging speed, the strategic necessity for expensive, high-capacity internal chargers diminishes, threatening to devalue the market as manufacturers may opt for lower-specification units suitable only for slower residential charging.

This shift toward external power conversion is quantifiable and accelerating, directly limiting the market scope for onboard chargers. According to the Alliance for Automotive Innovation, in 2024, the number of public DC fast chargers in the United States increased by 31 percent compared to the previous year. Such rapid expansion of external conversion infrastructure reduces the reliance on in-vehicle power electronics for public charging applications and constrains revenue potential for high-performance units.

Market Trends

The Transition to Silicon Carbide and Gallium Nitride Semiconductors represents a critical technical evolution reshaping the On-Board Charger (OBC) landscape. As automotive manufacturers increasingly migrate toward 800-volt high-voltage architectures to facilitate ultra-fast charging, OBCs require the superior power density and thermal efficiency that wide-bandgap materials provide over traditional silicon-based components, compelling suppliers to re-engineer converter topologies to minimize switching losses and reduce the physical footprint of the module. Validating this industrial pivot, STMicroelectronics stated in its January 2025 'Q4 and FY 2024 Financial Results' press release that the company prioritized the acceleration of its 200mm Silicon Carbide wafer fabrication capacity to meet automotive demand, reporting full-year net revenues of $13.27 billion.

Simultaneously, the Widespread Adoption of Bidirectional Vehicle-to-Grid Technology is transforming the OBC from a passive load into an active grid asset. This trend necessitates the integration of complex bi-directional power flow capabilities, enabling electric vehicles to stabilize municipal power networks and provide emergency backup during outages, leading OEMs to launch commercial services that monetize this functionality. Exemplifying this commercialization, according to a BMW Group press release in September 2025 regarding a partnership with E.ON, the company launched a service for the BMW iX3 that allows owners to potentially earn up to €720 annually by feeding stored battery energy back into the power grid.

Key Players Profiled in the Electric Vehicle On-Board Charger Market

• PHINIA Inc.
• HYUNDAI MOBIS CO.,LTD.
• LG Corporation
• STMicroelectronics
• Ficosa International S.A.
• Valeo SE
• Delta Energy Systems AG
• Toyota Industries Corporation
• Brusa Elektronik AG
• VisIC Technologies Ltd.
• Bel Fuse Inc.

Report Scope

In this report, the Global Electric Vehicle On-Board Charger Market has been segmented into the following categories:

Electric Vehicle On-Board Charger Market, by Propulsion Type:

• Battery Electric Vehicles (BEVs
• Plug-In Hybrid Electric Vehicle (PHEVs))

Electric Vehicle On-Board Charger Market, by Vehicle Type:

• Passenger Vehicles
• Commercial Vehicles

Electric Vehicle On-Board Charger Market, by Charging Power:

• < =6.6kW
• 6.7-11.0kW
• 11.1-22.0kW
• >22.0kW

Electric Vehicle On-Board Charger Market, by Distribution Channel:

• OEMs
• Aftermarket

Electric Vehicle On-Board Charger Market, by Design Type:

• Unidirectional
• Bidirectional

Electric Vehicle On-Board Charger Market, by Product Type:

• Without Embedded DC/DC Converter
• With Embedded DC/DC Converter

Electric Vehicle On-Board Charger Market, by Region:

• North America
• Europe
• Asia-Pacific
• South America
• Middle East & Africa

Competitive Landscape

Company Profiles: Detailed analysis of the major companies present in the Global Electric Vehicle On-Board Charger Market.

Available Customization

The analyst offers customization according to your specific needs. The following customization options are available for the report:

• Detailed analysis and profiling of additional market players (up to five).

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