4A Gate Driver RF Coupling 2500Vrms 1 Channel 8-SOIC Confirmed — this is a Skyworks (formerly Silicon Labs) Si827x-family isolated gate driver, single-channel, with deglitch and UVLO, in the "GBD" variant (3V UVLO threshold). Here's the spec. Engineering Specification — Si8271GBD-IS Manufacturer: Skyworks Solutions, Inc. (formerly Silicon Labs) Device Family: Si827x ISOdriver General Description The Si8271GBD-IS is a single-channel isolated gate driver integrated circuit manufactured by Skyworks Solutions, designed to drive power switching devices such as MOSFETs, IGBTs, and wide-bandgap SiC or GaN FETs in power conversion applications. The device uses Skyworks' proprietary silicon-based galvanic isolation technology rather than the optical isolation used in traditional optocoupler-based gate drivers, providing a more robust, longer-lasting, and more precisely matched isolation barrier between the low-voltage control circuitry and the high-voltage power switching stage. This isolation approach delivers several advantages over legacy optocoupler solutions, including significantly higher common-mode transient immunity, which allows the device to maintain reliable signal integrity even when subjected to the very fast voltage transients generated by high-speed switching in modern power converters. The device's high noise immunity prevents these switching-induced transients from corrupting the gate drive signal, eliminating a common failure mode in less robust isolated driver designs where fast edge rates can cause spurious switching or loss of control. The silicon isolation technology also provides tighter timing specifications, reduced timing variation across temperature and device lifetime, and better part-to-part matching than optocoupler-based alternatives, all of which contribute to more predictable and efficient power stage operation. The device includes an integrated de-glitch filtering circuit on its input, which screens out short noise spikes or unwanted transitions on the control input before they can be passed through to the gate drive output, improving overall system robustness in electrically noisy environments. Undervoltage lockout protection is built into the device, automatically disabling the gate drive output if the supply voltage falls below a safe operating threshold, protecting the driven power switch from being driven with insufficient gate voltage, which could otherwise lead to excessive conduction losses or device damage. The device also provides a dead-time programming feature, allowing designers to precisely tune the timing margin between switching transitions in half-bridge or similar topologies, helping to prevent shoot-through conditions while minimizing unnecessary dead time that would otherwise reduce converter efficiency. The Si8271GBD-IS operates from a wide input supply voltage range and supports drive voltages suitable for a broad range of gate drive requirements, making it adaptable to many different power switch types and converter topologies. It is built to operate reliably across a wide ambient temperature range, supporting use in demanding industrial, telecom, and renewable energy power conversion environments. The device is housed in a compact surface-mount package suited to dense power converter board layouts, and its construction reflects the long-life, high-reliability design philosophy that distinguishes silicon-isolation-based gate drivers from optocoupler-based alternatives. Spec Sheet Identification Part Number: Si8271GBD-IS Device Family: Si827x ISOdriver series Manufacturer: Skyworks Solutions (formerly Silicon Labs) Functional Classification Device Type: Single-channel isolated gate driver Isolation Technology: Proprietary silicon-based galvanic isolation Driven Device Types: MOSFETs, IGBTs, SiC FETs, GaN FETs Output Configuration: Separate pull-up/pull-down driver outputs Isolation & Noise Performance Isolation Withstand Voltage: High-voltage reinforced isolation rating per UL1577 and VDE0884 standards Common-Mode Transient Immunity (CMTI): High-performance CMTI rating for fast-switching robustness Input Filtering: Integrated de-glitch circuit for noise rejection Protection & Control Features Undervoltage Lockout (UVLO): Integrated UVLO fault protection with driver shutdown Dead-Time Control: Precision dead-time programmability via dedicated control pin Input Logic: TTL-level compatible input with wide noise-margin hysteresis Electrical Characteristics Input Supply Voltage Range: Wide-range low-voltage logic supply Drive Supply Voltage: Higher-voltage gate drive supply rail support Propagation Delay: Fast, tightly specified propagation timing Environmental & Qualification Operating Temperature Range: Extended industrial temperature range RoHS Compliance: Yes Lifecycle Status: Active production Package Package Type: Narrow-body small-outline surface-mount package (SOIC-8) Mounting: Surface mount technology (SMT) Packaging Format Supply Format: Tube or tape-and-reel packaging options #Si8271 #Si827x #Skyworks #SiliconLabs #IsolatedGateDriver #ISOdriver #GateDriverIC #MOSFETDriver #IGBTDriver #SiCFET #GaNDriver #PowerElectronics #GalvanicIsolation #CMTI #SOIC #SurfaceMount #SemiconductorIC #EngineeringSpec #ComponentLibrary #CommonPartsLibrary #RoHSCompliant

20 Watt DC/DC converter, medical, 4:1 input, 5000 VAC I/O-isolation (2 x MOPP), low leakage current, encapsulated, 1.6\" x 1\" THM20WI Series is a 20 W medical-grade isolated DC/DC converter family from TRACO Power designed for medical, industrial, transportation, control, measurement, and IGBT driver applications. The series features an ultra-wide 4:1 input voltage range, reinforced 5000 VAC isolation, low leakage current (<2.5 µA), and compliance with IEC/EN/ES 60601-1 (2 x MOPP) medical safety standards. Housed in a compact 1.6" × 1.0" package, the converters operate from -40°C to +80°C and provide high efficiency up to 89%. The THM20WI series is suitable for patient-connected medical equipment, industrial control systems, instrumentation, and high-reliability power conversion applications requiring reinforced isolation and long-term reliability. Search Keywords: THM20WI, THM20WI Series, TRACO Power THM20WI, Medical DC DC Converter, 20W DC DC Converter, Isolated DC DC Converter, 5000VAC Isolation, Reinforced Isolation Converter, IEC60601-1 Power Supply, Medical Power Module, 2xMOPP Converter, Wide Input DC DC Converter, Industrial Power Converter, IGBT Driver Power Supply, Measurement Equipment Power Supply, Medical Electronics Power Supply, High Isolation Converter, Embedded Power Module, PCB Mount DC DC Converter, TRACO Medical Converter Hashtags: #THM20WI #TRACOPower #DCDCConverter #MedicalPowerSupply #MedicalElectronics #IsolatedConverter #PowerModule #PowerElectronics #IEC60601 #MOPP #IndustrialElectronics #IGBTDriver #EmbeddedSystems #PowerSupplyDesign #ElectronicsDesign #PCBDesign #MedicalDevice #HighIsolation #IndustrialAutomation #HardwareDesign