What products does Littdluse have?

As a leading enterprise in the fields of global circuit protection, power control, and sensing technology, Littelfuse's product matrix covers key areas such as industry, automotive, electronics, and communication, forming a technology ecosystem centered on "safety, reliability, and efficiency". The following is an introduction from three dimensions: product classification, technical highlights, and application scenarios:
1、 Core product matrix: Full coverage of six major technical fields
Lite's product system can be divided into six categories, forming a complete layout from component level protection to system level solutions:
Circuit protection devices
Overcurrent protection: including patch fuses, miniature fuses, automotive grade fuses, etc., such as the Nano2 series miniature fuses, with a size of only 0603 and a breaking capacity of 50A, suitable for portable devices.
Overvoltage protection: TVS diodes, ESD static suppressors, gas discharge tubes (GDT), etc., such as the SP3012 series ESD array, can withstand 30kV contact discharge and protect HDMI and USB interfaces.
Over temperature protection: thermal fuses, temperature switches, etc., applied to battery packs, motor temperature control systems.
Power semiconductor device
Silicon carbide (SiC) module: such as LSIC2MO120J0065 model, with a withstand voltage of 1200V and a conducting resistance of 6.5m Ω, suitable for new energy vehicle charging piles and photovoltaic inverters.
IGBT module: covering voltage levels of 600V-1700V, used in industrial frequency converters and rail transit traction systems.
Power MOSFET: Provides various packages such as TO-220 and SOT-23 to meet the needs of consumer electronics and industrial equipment.
Sensors and controllers
Current sensor: such as CLS1 series closed-loop Hall sensor, with an accuracy of ± 1% and a bandwidth of 120kHz, suitable for motor drive and battery management system (BMS).
Magnetic sensor: Linear Hall effect sensor, detecting changes in magnetic field strength, used for sensing the position of automobile crankshafts.
Temperature sensors: NTC thermistors, digital temperature sensors, etc., monitor the operating temperature of the equipment.
Automotive Electronic Solutions
High Voltage Distribution Unit (PDU): Integrated with fuses, contactors, and current sensors, supports 800V high voltage platforms, and is used in electric vehicle battery packs.
Car charger (OBC) components: provide SiC diodes, filtering capacitors, etc., to improve charging efficiency to 97%.
Intelligent fuse box: Fault diagnosis and remote control are achieved through CAN bus, in compliance with AUTOSAR standards.
Industrial control components
Solid state relays, such as the SSR series, have a lifespan of over 100 million cycles and are suitable for PLC output modules.
Motor protectors: thermal overload relays, phase sequence protectors, etc., to prevent motor burnout.
Surge suppression module: TVS array designed for industrial power supply, capable of withstanding 10/700 μ s surge impact.
Specialized components for 5G and communication equipment
PoE (Power over Ethernet) protection: Integrated TVS and filter, supporting IEEE 802.3bt standard, with a power of up to 90W.
Base station power protection: High energy surge suppressor, certified by IEC 61643-21, protects against lightning strikes.
Fiber optic components: Provide TOSA/ROSA optical devices with speeds ranging from 10Gbps to 400Gbps.
2、 Technical advantage: innovative closed-loop from materials to systems
The technological barriers of Lite On are reflected in three aspects:
Breakthrough in Materials Science
The independently developed SiC substrate material has a mobility of 200cm ²/Vs and reduces conduction loss by 30%.
Nano level alloy fuse material, achieving low temperature rise and high anti vibration performance, certified by AEC-Q200 automotive standards.
Packaging process innovation
3D packaging technology: Integrating TVS chips with filtering capacitors in a three-dimensional manner, saving 40% of PCB space.
Automotive grade packaging: Using epoxy resin molding process, it can withstand temperature cycling from -55 ℃ to 150 ℃, and its vibration level meets ISO 16750-3 standard.
System level solution
Develop a "component+algorithm" fusion solution, such as the Intelligent Battery Management System (iBMS), which extends battery life by 20% through SOC algorithms.
Provide SIMULINK simulation models to help customers shorten their R&D cycle by 50%.
3、 Application scenario: Deep empowerment of six major industries
Lite's products are widely used in six major fields, forming a three-level support system of "component module system":
New energy vehicles
Covering scenarios such as battery packs, motor controllers, charging stations, etc., automotive grade products have entered the supply chains of Tesla and BYD.
Typical case: Providing SiC module and fuse combination solution for 800V high-voltage platform, increasing charging efficiency by 30%.
renewable energy
The photovoltaic inverter adopts SiC diodes and TVS protection scheme, with a conversion efficiency of 99%.
Hall current sensors are used in wind power converters with an accuracy of ± 0.5%, supporting MW level units.
Industrial Automation
Provide power devices and protective components for PLC and servo drives, reducing failure rates by 80%.
Deploy IoT sensors in smart factories to achieve predictive maintenance of equipment.
Consumer Electronics
Provide ESD protection and USB PD fast charging solutions for smartphones and laptops, increasing charging speed by 50%.
Applying NTC temperature sensors in smart homes to prevent overheating risks.
communication infrastructure
The 5G base station power supply adopts a surge suppression module with a protection level of IP68.
Deploy PoE protection devices in the data center, supporting single port 90W power supply.
EADS
High temperature fuses are used in the satellite power system to withstand a working temperature of 125 ℃.
Solid state relays are integrated into the aircraft power distribution box, with a lifespan of over 100000 cycles.
4、 Strategic layout: Focus on the trend of intelligent electrification
Lite promotes transformation through the "dual wheel drive" strategy:
Technical depth: 8% of the revenue will be invested in the research and development of third-generation semiconductors such as SiC and GaN, with the goal of launching 2000V SiC modules by 2025.
Ecological Expansion: Collaborate with the top 10 global car manufacturers to establish a joint laboratory and develop a power management system for L4 level autonomous driving.
Localized production: Set up smart factories in Suzhou and Shenzhen to increase the proportion of production capacity in China to 40% and shorten the delivery cycle to 2 weeks.
In summary, with its full industry chain layout, material level innovation, and industry solution capabilities, Lite has become the "hidden champion" in the field of electronic components in the era of intelligent electric vehicles. Its products not only support daily scenarios from consumer electronics to new energy vehicles, but also play a key role in cutting-edge fields such as 5G communication and Industry 4.0.