Pretoria, South Africa – TRX Electronics has published comprehensive technical resources addressing critical component selection challenges faced by industrial control system engineers. The resources cover power semiconductor performance in extreme environments, energy efficiency in power supplies, and field-programmable logic capabilities for industrial deployments.
Power Semiconductors for Harsh Industrial Environments
Industrial facilities operating steel mills, mining operations, and chemical processing plants require components that maintain performance across extreme temperature ranges. Power Semiconductors Built for Industrial Extremes: Temperature and Voltage Performance examines how MOSFETs, IGBTs, and thyristors handle temperatures from -55°C to +175°C whilst managing voltage transients exceeding 1000V.
The guidance details how junction temperature affects on-resistance in MOSFETs, saturation voltage in IGBTs, and forward voltage drop in thyristors. Engineers developing motor drives, welding equipment, and process control systems gain insight into selecting components with appropriate thermal margins and voltage ratings that prevent field failures.
Industrial-grade MOSFETs operating reliably across wide temperature ranges, IGBTs with short-circuit withstand capabilities, and thyristors handling extreme currents above 3000A form the foundation of control systems requiring continuous operation. The resource addresses avalanche energy ratings, thermal cycling stress, and proper thermal management considerations essential for maximising component lifetime.
Advanced Rectifier Technology for Energy Efficiency
Power conversion efficiency directly impacts operational costs in facilities running motor drives, control systems, and automation equipment around the clock. Maximising Energy Efficiency in Industrial Power Supplies with Advanced Rectifier Technology explores how Schottky barrier rectifiers reduce heat generation through lower forward voltage drop and faster switching speeds.
The technical resource demonstrates how forward voltage drop reductions from 1V to 0.4V translate to 60% decreases in power dissipation, enabling smaller heatsinks and reduced cooling requirements. Engineers designing switch-mode power supplies benefit from understanding how Schottky rectifiers’ nanosecond switching times minimise electromagnetic interference whilst enabling higher operating frequencies.
Coverage includes thermal performance benefits in bridge rectifier configurations, efficiency gains in synchronous rectification applications, and selection criteria balancing forward voltage drop, reverse leakage current, and surge current capability. Silicon carbide Schottky rectifiers, extending voltage ratings to 650V and beyond, bridge the gap between standard Schottky technology and traditional high-voltage solutions.
Field-Programmable Logic for Adaptable Industrial Systems
Industrial control systems with operational lifespans exceeding ten years face changing requirements for new communication protocols, additional safety interlocks, and modified control algorithms. Field-Programmable Logic: Updating Designs After Deployment details how Complex Programmable Logic Devices enable in-system design updates without hardware replacement.
The resource examines CPLD architecture featuring non-volatile flash memory that retains configuration through power cycles, eliminating external boot-up sequences required by SRAM-based alternatives. In-system programming through JTAG interfaces allows logic updates during scheduled maintenance windows, addressing bugs discovered during operation and implementing incremental feature rollouts.
Engineers gain understanding of CPLD versus FPGA selection criteria for control-centric applications, configuration security features protecting intellectual property, and design considerations for implementing safe field updates. Flash-based CPLDs supporting 10,000 to 100,000 reprogramming cycles with 20-year data retention provide reliability throughout typical industrial product lifecycles.
Technical Support for Component Selection
Through partnerships with leading manufacturers including Infineon Technologies, STMicroelectronics, Vishay Semiconductors, ON Semiconductor, Littelfuse, Lattice Semiconductor, Microchip Technology, and Intel, TRX Electronics provides access to semiconductors, diodes and rectifiers, and CPLDs specified for demanding industrial applications.
The company’s technical resources support engineers developing motor drives, power supplies, programmable logic controllers, and process control equipment that withstand harsh environments whilst maintaining efficiency and reliability.
For technical guidance on component selection or to discuss specific application requirements, contact TRX Electronics or call 086 111 2844.
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