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1. Product Description
The PCBA For EV Inverter stands as the core control and power conversion backbone of electric vehicle inverter systems, seamlessly bridging the EV's high-voltage battery and traction motor. Meticulously engineered to thrive in the extreme operating conditions of automotive environments-including wide temperature fluctuations (-40°C to 125°C), persistent mechanical vibration, and high-voltage load shocks-this PCBA not only guarantees uninterrupted, high-efficiency power conversion but also strictly adheres to global EV safety and energy efficiency standards. By precisely regulating the DC-to-AC power conversion process, it serves as the "brain and heart" of the inverter, directly influencing the EV's driving range, dynamic performance, and operational reliability.
2.Key features
- ●Ultra-High Efficiency Power Conversion:
Through topology-optimized circuit design and low-loss component matching, the PCBA minimizes power dissipation during DC/AC conversion, boostinginverter efficiency to industry-leading levels and maximizing the EV's energy utilization rate.
- ●Automotive-Grade Reliability Assurance:
Adopts 100% automotive-qualified components (including ICs, film capacitors, high-precision resistors, and power modules such as IGBTs/SiC MOSFETs) that undergo rigorous environmental validation, ensuring long-term stability under harsh automotive conditions.
- ●Advanced Thermal Management System:
Integrates multi-layer thermal vias, large-area copper pours, and customized heat dissipation pads into the PCB layout, rapidly transferring heat from high-power components to prevent overheating and maintain performance consistency under high-load operation.
- ●Comprehensive High-Voltage Safety Protection:
Embeds multi-dimensional protection circuits (over-voltage, under-voltage, short-circuit, over-current, and thermal runaway protection) to fully comply with strict EV high-voltage safety regulations.
- ●Space-Optimized Compact Design:
Tailored PCB layout fits the limited installation space of inverter housings, with rational component placement that simplifies assembly with cooling systems, power connectors, and other inverter components, improving production efficiency.
3. Application Scenario
The PCBA For EV Inverter is widely applicable to the inverter systems of various electric vehicles, covering:
Passenger EVs:
Including compact EVs, mid-to-high-end sedans, and SUVs, matching 3-phase inverters with power ratings of 50kW-150kW to meet the performance requirements of daily commuting and long-distance driving.
Commercial EVs:
Such as electric trucks, buses, and logistics vehicles, adapting to high-power inverters (100kW-200kW) to support the heavy-load and long-duration operation needs of commercial transportation.
Hybrid EVs (HEVs):
Compatible with the inverter systems of plug-in hybrid and mild hybrid vehicles, realizing efficient power conversion between the battery pack and internal combustion engine-driven motor.
4. About BQC
Shenzhen BQCTECH is a leading provider of integrated manufacturing solutions specializing in PCBA and electronic products. With decades of dedicated focus on the Electronic Manufacturing Services (EMS) sector, we have established a comprehensive one-stop service system covering OEM, ODM, and full-spectrum EMS-including professional component sourcing, intelligent material management, precision SMT assembly, and high-reliability DIP assembly. Our company operates from a modern manufacturing facility exceeding 10,000 square meters, powered by a skilled workforce of over 500 professionals, including a highly qualified management team with rich automotive electronics experienceand a technical R&D team proficient in advanced PCB design and manufacturing technologies. Leveraging strict quality control systems and flexible production capabilities, we have become a trusted partner for global EV manufacturers, delivering high-performance, reliable PCBA products for automotive core components.
5. Certificate
The PCBA For EV Inverter has obtained a full range of authoritative certifications to meet global market access and quality requirements:
6.FAQ
Q1: What types of EV inverters is this PCBA compatible with, and what is the applicable power range?
A1: Our PCBA is compatible with most mainstream EV inverter types, including 3-phase inverters for passenger EVs, high-power inverters for commercial EVs (trucks, buses, etc.), and inverter systems for hybrid EVs (HEVs). The applicable power range covers 50kW-200kW, and we can also provide customized design adjustments according to the specific power rating requirements of customers' inverter products.
Q2: Does the PCBA support Silicon Carbide (SiC) component configuration, and what are the advantages of different component options?
A2: Yes, we offer two flexible component configuration options: Traditional IGBT modules: Cost-effective, suitable for mid-range EVs, balancing performance and budget; SiC MOSFET modules: Featuring higher efficiency, lower power loss, and better high-temperature stability, ideal for high-end EVs and commercial EVs that pursue extended driving range and high power output. Component selection can be fully tailored to customers' project positioning and performance needs.
Q3: What types of OEM/ODM customization services does BQCTECH provide for the PCBA, and what is the typical customization process?
A3: We offer end-to-end OEM/ODM customization services, including: Circuit design optimization ; PCB layout customization; Component selection tailored to customer needs ; Firmware matching.
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