LS Automotive
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PE
PE
컨버터, 인버터 등 전력 변환 기술을 통해 에너지 효율을 극대화하고, 전동화 차량의 성능을 한층 향상시키는 핵심 솔루션을 제공합니다.
24-12 Low DCDC Converter
Function
- Steps down the 24V voltage of commercial vehicles to 12V to supply up to 350W of stable power to the low-voltage system electronics
Strengths
- Compatibility and Scalability: Enables immediate application of 12V-exclusive vehicle electronics to commercial vehicles with 24V power systems
- Cost Competitiveness: Suppresses development costs requiring mapping and contributes to reducing component material costs through the sharing of highly versatile 12V parts
Solar Cell Converter
Function
- Converts power generated from the solar panels to match the vehicle system voltage, and then charges both high-voltage and low-voltage batteries
Strengths
- Versatility and Compatibility: Enables simultaneous application across different vehicle types through integrated support for both Hybrid (HEV) and Electric Vehicle (EV) specifications
- Energy Efficiency Optimization: Maximizes solar power generation efficiency and improves charging performance by applying MPPT (Maximum Power Point Tracking) control logic
- Dual Charging System: Contributes to extending driving range and preventing battery discharge by simultaneously managing both the high-voltage battery and the auxiliary battery (12V) with a single controller
48-12V DC/DC Converter (Liquid Cooling)
Function
- Core Component Role: Performs a pivotal function in the 48V power architecture of Mild Hybrid Electric Vehicles (MHEV)
Strengths
- High Power Support: Possesses a powerful power supply capability of the 3kW class
- Cooling Method Versatility: Established a product lineup of three distinct specifications: liquid-cooled, naturally air-cooled, and forced air-cooled
- Design Flexibility: Provides ease of installation positioning and packaging advantages within the vehicle by supporting various cooling methods
48-12V DC/DC Converter (Air Cooling)
Function
- Core Component Role: Performs a pivotal function in the 48V power architecture of Mild Hybrid Electric Vehicles (MHEV)
Strengths
- High Power Support: Possesses a powerful power supply capability of the 3kW class
- Cooling Method Versatility: Established a product lineup of three distinct specifications: liquid-cooled, naturally air-cooled, and forced air-cooled
- Design Flexibility: Provides ease of installation positioning and packaging advantages within the vehicle by supporting various cooling methods
ISG DC/DC Converter
Function
- Voltage Stabilization: Suppressing a voltage drop occurring during an engine restart, and constantly providing a stable supply of 12V voltage
- Electronic Device Protection: Preventing malfunctions and power-off phenomena of various electronic devices inside a vehicle caused by voltage instability
- Restart Support: Assisting a smooth power transition after an operation of an Idle Stop & Go (ISG) system
Strengths
- Diverse Power Outputs: Offers a three-product lineup (200W, 400W, and 450W) tailored to the power consumption requirements of different vehicles
- Optimized Adaptation: Enables flexible product application based on power demands, ranging from compact cars to large-scale vehicles
200-400V DCDC Converter
Function
- High-Voltage Boost Control: Boosts the power generated by the fuel cell stack using a high-voltage boost converter
- Battery Charging Management: Charges the high-voltage battery utilizing the boosted electrical power
- Energy Efficiency Optimization: Supports the transfer of stack power to the high-voltage battery and maximizes energy storage efficiency
Strengths
- High-Efficiency Circuit Structure: Maximizes efficiency and reduces ripples by applying a synchronous unidirectional boost converter and an interleaved 6-phase converter
- High Safety Reliability: Secures the Automotive Safety Integrity Level A (ASIL-A) rating in accordance with international functional safety standards
- Latest Software Technology: Applies cybersecurity technologies and supports Firmware Over-the-Air (FOTA) update capabilities
400-800V DCDC Converter
Function
- Steps charger voltage up to 800V HV via bidirectional boost converter - Voltage matching and bidirectional power control between vehicle system and external charging infrastructure - Supports 800V-based ultra-fast, high-efficiency energy transfer
Strengths
- High efficiency and low noise via synchronous bidirectional + 5-phase interleaved converter - Supports up to 350kW ultra-fast charging infrastructure - A-SPICE CL2 and ASIL-C certified; FOTA and cyber security onboard
400-12V Low DCDC Converter
Function
- 3kW / 180A-class DC-DC power converter - Bidirectional voltage conversion and power supply between high-voltage (400V) and low-voltage (12V) batteries - Maintains energy balance between in-vehicle HV/LV batteries
Strengths
- Up to 96% high efficiency; fast transient response and voltage stability via model-based control - OVP/OCP/OTP protection and 2-phase interleaving meet EMC (CISPR25 Class 5) - Design flexibility for customer customization based on MBD
800-12V Low DCDC Converter
Function
- Micro-size 800V-to-12V power converter - Prevents PHEV 12V battery discharge and manages voltage at all times - Supplies 12V from HV system to charge/maintain the LV battery
Strengths
- Up to 96% high efficiency; fast transient response and voltage stability via model-based control - OVP/OCP/OTP protection and 2-phase interleaving meet CISPR25 Class 5 - Rapid customer-tailored design based on MBD
High Voltage Inverter
Function
- Eco-Friendly Power Conversion: Functions as a dedicated inverter for vehicles equipped with high-voltage batteries (BEV, HEV)
- Power Form Transformation: Converts direct current (DC) power from the high-voltage battery into alternating current (AC) power
- External Power Supply: Supports external device power supply (V2L, etc.) utilizing internal vehicle energy
Strengths
- Multi-Circuit Protection: Features comprehensive safeguards including overload, short-circuit, and over-temperature protection
- Advanced Safety Interruption: Ensures user safety through leakage current detection and protection (GFCI/RCD)
- Efficient Thermal Management: Maintains a stable operating environment by applying a forced air cooling system
Low Voltage IVT
Function
- Precision Power Conversion: Converts internal vehicle direct current (DC) power into stable alternating current (AC) power
- Device Connectivity Support: Provides a power environment that enables the use of various external electronic devices inside the vehicle
Strengths
- Wide Compatibility: High compatibility with various AC load devices, including game consoles, laptops, and power tool chargers
- High Output Stability: Supports driving high-load devices through a stable power supply of up to the 400W class