NEWS AND EVENTS

An 800V battery architecture can improve power delivery, but it also changes onboard charger requirements. Choosing the wrong charger can create costly integration challenges. An 800V on board charger must match the battery's operating voltage range, charging power, and electrical design. Not every component needs to operate at exactly 800V under all conditions. How can EV manufacturers select a charger that meets their vehicle's actual requirements? The answer involves more than voltage ratings alone. This guide explores voltage compatibility, power ratings, converter technology, and charging interfaces. It also explains how insulation, thermal management, and system integration affect the final selection.

An onboard charger converts AC power into DC power for an electric vehicle’s battery. However, this conversion generates heat, which can affect charging performance and component lifespan. Choosing the right OBC cooling method involves more than removing heat. Engineers must balance thermal performance, charging power, available space, operating conditions, cost, and system complexity. Air cooling, liquid cooling, and hybrid thermal management each offer different benefits. The best choice depends on actual heat loads and vehicle integration requirements, not simply rated power. This guide compares these approaches and explains how to evaluate their trade-offs. You’ll learn how to select a cooling solution that meets your application’s needs and supports reliable operation.

An EV may have a powerful battery, but reliable charging depends on more than battery capacity. The onboard charger must work seamlessly with the vehicle’s electrical and control systems. OBC integration connects the charger to the AC charging inlet, high-voltage battery, and power distribution system. The OBC converts incoming AC power into DC power the battery can accept. However, successful integration involves more than electrical connections. Engineers must also address communication, mechanical packaging, thermal management, and safety. This guide explains how to select a compatible OBC, design its interfaces, and coordinate vehicle controls. You will also learn how to validate charging performance, troubleshoot common issues, and prepare the system for production.

An electric vehicle may stop charging even when its on-board charger appears functional. The cause could involve efficiency losses, overheating, or a hidden safety fault. An on-board charger (OBC) converts external AC power into DC power for battery charging. Automotive OBC testing checks more than basic charging functionality. It evaluates electrical performance, safety, thermal behavior, and responses to abnormal conditions. Understanding these tests helps engineers identify problems before production. This guide explains the typical testing sequence, the purpose of each test, and common reasons for failure. You will also learn how engineers evaluate results and determine whether an OBC is ready for vehicle integration.

An undersized EV DC/DC converter can cause voltage drops, overheating, and unexpected electrical shutdowns. An oversized unit, however, may increase costs and waste valuable installation space. The converter transfers energy from the high-voltage traction battery to the vehicle’s low-voltage electrical system. Proper EV DC DC converter selection requires balancing continuous power, peak demand, voltage compatibility, and operating conditions. So, how do you determine the right converter rating? This guide explains how to calculate low-voltage loads, assess current requirements, and account for battery charging. You will also learn how to evaluate efficiency, thermal performance, and transient response before making your final selection.

Choosing between a 6.6 kW and an 11 kW on-board charger (OBC) is a vehicle-system decision, not simply a question of which charger is faster.

A well-prepared EV on-board charger RFQ should give the supplier enough information to determine whether an existing OBC can meet the vehicle program requirements or whether hardware, software, mechanical, or communication customization is needed.

A bidirectional on-board charger (OBC) is worth considering when an electric vehicle platform needs more than conventional AC charging.

OBC power rating is one of the main factors that determines how quickly an electric vehicle can charge from an AC source. The on-board charger (OBC) converts AC power supplied by the EVSE into controlled DC power for the high-voltage battery.