0.6A 36V High-Efficiency Low-RDS(ON) Synchronous Step-Down Converter AEC-Q100 Qualified #ultralibrarian

0.6A 36V High-Efficiency Low-RDS(ON) Synchronous Step-Down Converter AEC-Q100 Qualified #ultralibrarian

N-Channel 30 V 161A (Tc) 140W (Tc) Surface Mount TO-252AA (DPAK) The IRLR7843TRPBF is an N-channel power MOSFET built on Infineon's HEXFET technology platform, originally developed by International Rectifier. It is designed as a low-voltage, high-current switching device intended for applications where minimizing conduction loss and maximizing efficiency are primary design goals. The part is particularly well suited to synchronous switching topologies, where pairs or arrays of MOSFETs alternately conduct to regulate power flow with minimal energy dissipation. This device targets high-density power conversion applications where board space is limited but current demands are substantial, such as notebook computer power delivery, point-of-load converters used in servers, and advanced telecom and datacom equipment. It is commonly found supporting synchronous buck converter stages that step down a higher input rail to a lower output voltage suitable for powering processors, memory, and other low-voltage digital logic. Its low on-resistance characteristic allows it to carry significant current while generating comparatively little resistive heating, which is essential in compact enclosures with constrained thermal budgets. The transistor is fabricated using a refined trench gate process that improves upon earlier HEXFET generations, offering reduced gate charge and lower switching losses alongside its low conduction resistance. This combination makes it effective in both the high-side and low-side positions of a synchronous switching cell, where fast, clean transitions reduce overlap losses and improve overall converter efficiency. The device also offers well-characterized avalanche energy ratings, giving designers confidence in its ruggedness when exposed to transient overvoltage events that can occur during switching, and it presents a very low gate impedance, allowing it to be driven efficiently by standard gate driver circuitry. Mechanically, the part is housed in a surface-mount power package with an exposed tab for enhanced thermal conduction to the host PCB, allowing heat generated during operation to be efficiently transferred away from the silicon die. This package style is widely used in power-dense designs where through-hole packages would be impractical. The device is supplied in a tape-and-reel format suitable for automated assembly and is compliant with RoHS material restrictions, reflecting current environmental and regulatory standards for electronic components. Spec Sheet Identification Part Number: IRLR7843TRPBF Device Family: HEXFET Power MOSFET Manufacturer: Infineon Technologies Functional Classification Device Type: Power MOSFET Channel Type: N-channel Technology: Trench-gate HEXFET (IR MOSFET legacy technology) Logic Level Compatibility: Logic-level gate drive compatible Electrical Characteristics Drain-to-Source Voltage Rating: Low-voltage class, optimized for sub-30V rail applications On-Resistance: Ultra-low on-resistance class Drain Current Capability: High continuous current class Gate Charge: Low gate charge, optimized for fast switching Gate Impedance: Ultra-low gate impedance Avalanche Characteristics: Fully characterized avalanche voltage and current rating Switching & Application Behavior Primary Application: Synchronous buck converter switching stages Suitable Position: High-side and low-side switch positions Target Use Cases: Point-of-load conversion, notebook power delivery, telecom/datacom power systems Thermal & Mechanical Package Type: Surface-mount power package with exposed thermal tab (DPAK-style) Mounting: Surface mount technology (SMT) Thermal Path: Tab-based conduction to PCB for heat dissipation Environmental & Qualification RoHS Compliance: Yes Lifecycle Status: Active production Packaging Format Supply Format: Tape-and-reel, per part suffix designation #IRLR7843 #Infineon #HEXFET #PowerMOSFET #NChannelMOSFET #SynchronousBuck #PowerElectronics #DCDCConverter #PointOfLoad #PowerConversion #DPAK #SMTPackage #RoHSCompliant #SemiconductorIC #EngineeringSpec #ComponentLibrary #CommonPartsLibrary #PowerDensity #LowRDSon #DiscreteSemiconductor #commonpartslibrary #transistor

N-Channel 100 V 100A (Tc) 2.5W (Ta), 139W (Tc) Surface Mount PG-TDSON-8-7 BSC040N10NS5ATMA1 is a high-performance 100V N-Channel Power MOSFET from Infineon's OptiMOS™ 5 family. It is designed for high-efficiency switching applications such as switched-mode power supplies (SMPS), synchronous rectification, DC-DC converters, motor drives, battery-powered systems, and industrial power management. The device features extremely low on-resistance, high current capability, and excellent thermal performance, making it suitable for demanding power conversion applications. Key Features N-Channel Enhancement Mode MOSFET 100V Drain-to-Source Voltage (VDS) Ultra-low RDS(on): 4.0 mΩ max @ VGS = 10V Continuous Drain Current up to 100A (package limited) Optimized for high-performance SMPS and synchronous rectification Low gate charge for improved switching efficiency 100% avalanche tested for enhanced robustness Superior thermal resistance and power dissipation Wide operating junction temperature range: -55°C to +150°C RoHS compliant and halogen-free Compact PG-TDSON-8 / SuperSO8 package for high power density designs Typical Applications DC-DC Converters Synchronous Rectifiers Motor Control Battery Management Systems (BMS) Telecom and Industrial Power Supplies Solar Power Systems High-Current Switching Circuits #Infineon #OptiMOS5 #MOSFET #NChannelMOSFET #PowerMOSFET #100V #LowRDSon #SMPS #DCDCConverter #MotorDrive #PowerElectronics #IndustrialElectronics #BSC040N10NS5ATMA1 #HighEfficiency #SynchronousRectification

Electronic Fuse Regulator High-Side 60A 26-VQFN-HR (5x4.5) The TPS259850RQPR is an integrated eFuse power protection device designed for robust power path management in low-voltage DC systems. Manufactured by Texas Instruments, this device provides advanced protection features including overvoltage protection, undervoltage protection, overcurrent limiting, short-circuit protection, reverse current blocking, and thermal shutdown. The device is optimized for applications requiring controlled inrush current, fault isolation, and system reliability in industrial, automotive, telecommunications, and embedded electronic systems. The TPS259850RQPR supports a wide operating input voltage range and integrates programmable protection thresholds to allow flexible system-level configuration. The device includes an internal MOSFET with low on-resistance for efficient power delivery while minimizing power dissipation. Fast fault response and automatic retry functionality enhance system robustness and reduce the need for external supervisory circuitry. The device is housed in a compact QFN package suitable for space-constrained PCB designs and supports high-current operation with efficient thermal performance. The integrated protection architecture simplifies power subsystem design while improving reliability and fault tolerance. Electrical Characteristics Input operating voltage range supports low-voltage DC power rails commonly used in embedded and industrial systems. Integrated low-RDS(on) MOSFET minimizes conduction losses and improves overall efficiency. Programmable current limiting enables configurable overcurrent protection. Fast short-circuit response protects downstream circuitry during fault events. Adjustable overvoltage and undervoltage thresholds allow flexible supply monitoring. Reverse current blocking prevents back-drive conditions and protects power sources. Thermal shutdown protection disables the device during excessive junction temperature conditions. Controlled output slew rate limits inrush current during startup and hot-plug events. Automatic retry and latch-off fault management modes are supported. Power-good indication output provides system power status monitoring. Protection Features Overcurrent protection with programmable current limit threshold. Short-circuit protection with rapid fault response. Input overvoltage protection. Input undervoltage lockout protection. Reverse current and reverse polarity protection support. Thermal shutdown with automatic recovery capability. Fault timer control for transient fault management. Safe hot-swap and hot-plug operation support. Mechanical Characteristics Package type is QFN with compact footprint optimized for high-density PCB layouts. Surface-mount device compatible with automated assembly processes. Thermally enhanced package construction improves heat dissipation. RoHS-compliant and suitable for lead-free manufacturing processes. Applications Industrial power distribution systems. Automotive electronic subsystems. Telecommunication and networking equipment. Server and storage platforms. Hot-swappable modules. USB Type-C and power delivery systems. Embedded computing platforms. FPGA and processor power rail protection. Battery-powered and portable electronic equipment. #commonpartslibrary #integratedcircuit #powermanagement #regulator