IC RF TxRx Only General ISM > 1GHz LoRaWAN 32-VFQFN Exposed Pad LR2021IMLTRT is a fourth-generation, long-range, low-power, multi-band LoRa® RF transceiver from Semtech, designed for IoT, LPWAN, satellite communication, smart metering, industrial automation, asset tracking, and wireless sensor networks. It supports operation across sub-GHz and 2.4 GHz frequency bands, offering excellent receiver sensitivity, high transmit power, and compatibility with multiple wireless protocols including LoRaWAN®, Bluetooth® LE PHY, Zigbee™, Thread®, Amazon Sidewalk, and Wi-SUN. Key Features Multi-band operation: 150 MHz to 960 MHz and 1.5 GHz to 2.5 GHz Supports LoRa®, LoRaWAN®, LR-FHSS, FLRC, FSK, GFSK, GMSK, MSK, OOK, and O-QPSK Maximum data rate up to 2.6 Mbps High receiver sensitivity up to -141.5 dBm (LoRa mode) Transmit power up to +22 dBm (sub-GHz) Compatible with Bluetooth® LE 5.0 PHY, Thread®, Zigbee™, Amazon Sidewalk, Sigfox, Wi-SUN, and Z-Wave® Ultra-low power consumption with 470 nA sleep current Operating voltage range: 1.8 V to 3.7 V SPI interface with programmable GPIOs Operating temperature range: -40°C to +85°C Compact 32-pin QFN (5 mm × 5 mm) package for space-constrained designs. Hashtags #Semtech #LR2021IMLTRT #LoRa #LoRaWAN #RFTransceiver #WirelessCommunication #IoT #LPWAN #BluetoothLE #Zigbee #Thread #WiSUN #AmazonSidewalk #AssetTracking #SmartMetering #IndustrialIoT #SatelliteCommunication #LowPowerDesign #EmbeddedSystems #RFIC

Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 3.5A SOT-23-6 Thin, TSOT-23-6 The LMR51635YFDDCR specification defines the engineering requirements for a synchronous step-down DC-DC converter integrated circuit designed for high-efficiency power regulation in embedded and industrial electronic systems. This specification establishes the functional, electrical, mechanical, thermal, environmental, and quality requirements necessary to ensure stable voltage conversion, efficient power management, and long-term operational reliability. The device is intended for use in industrial automation, telecommunications equipment, consumer electronics, test and measurement instruments, distributed power systems, and embedded applications requiring regulated low-voltage power rails from higher-voltage DC sources. It integrates high-performance switching circuitry to provide efficient voltage conversion while minimizing external component count and overall system power loss. Engineering Requirements The DC-DC converter shall be manufactured using qualified semiconductor fabrication processes and high-quality materials to ensure consistent electrical performance, low power consumption, and reliable long-term operation. The device shall maintain stable functionality under specified input voltage, output load, temperature, and environmental operating conditions. Electrical characteristics shall provide accurate output voltage regulation, high conversion efficiency, low output ripple, and fast transient response during load and input voltage variations. The converter shall maintain stable switching operation while supporting continuous and dynamic power delivery with minimal performance degradation. The integrated control architecture shall ensure reliable startup, controlled shutdown, and stable operation under varying load conditions. Built-in protection mechanisms shall support safe operation during abnormal conditions, including overload, overcurrent, thermal stress, and short-circuit events, thereby enhancing overall system reliability. Thermal performance shall support continuous operation within the specified junction temperature range while maintaining electrical integrity and long-term reliability. The package shall be suitable for automated surface-mount assembly and compatible with standard solder reflow manufacturing processes. Mechanical construction shall withstand thermal cycling, vibration, mechanical handling, and environmental exposure without degradation of electrical or mechanical performance. Workmanship shall be free from defects including contamination, package cracking, bond failures, lead deformation, or structural inconsistencies that could adversely affect device functionality or reliability. Inspection, validation, and testing shall be conducted using calibrated equipment and controlled quality procedures to verify compliance with engineering and manufacturing requirements. Any deviation from this specification shall require formal engineering evaluation, documented technical justification, and approval through the established engineering change control process before implementation. Documentation Supporting documentation shall include engineering drawings, electrical performance specifications, application guidelines, thermal characterization reports, qualification records, inspection reports, reliability data, material declarations, and revision-controlled manufacturing documentation. All documentation shall be maintained under formal configuration management and quality assurance systems to ensure complete product traceability. Revision Control Any modification to this specification shall be managed through the formal engineering change management process. All revisions shall undergo technical review, validation, and approval before release to ensure continued compliance with design intent and applicable engineering standards. #EngineeringSpecification #DCDCConverter #BuckConverter #PowerManagement #PowerElectronics #EmbeddedSystems #IndustrialElectronics #VoltageRegulator #QualityAssurance #EngineeringDocumentation

Thermal Image Sensor 32H x 24V TO-39 # MLX90640ESF-BAB-000-TU Engineering Specifications **General Description** The MLX90640ESF-BAB-000-TU is a contactless infrared thermal imaging sensor manufactured by Melexis. It incorporates a microbolometer array that detects infrared radiation emitted by objects and converts the captured thermal energy into temperature data, enabling the creation of thermal images without physical contact. The device is designed for compact and cost-effective thermal imaging applications, offering high thermal sensitivity and accurate temperature measurement capabilities. It integrates a digital signal-processing engine, calibration data memory, and a digital communication interface, allowing direct connection to microcontrollers, embedded systems, and industrial monitoring equipment. The sensor provides real-time thermal mapping across its field of view and is suitable for applications involving human presence detection, predictive maintenance, industrial automation, smart building systems, medical screening, consumer electronics, robotics, and thermal monitoring solutions. Its factory calibration ensures stable performance throughout its operating life while minimizing external calibration requirements. **Engineering Specifications** **Manufacturer:** Melexis **Manufacturer Part Number:** MLX90640ESF-BAB-000-TU **Component Type:** Infrared thermal imaging sensor **Sensor Technology:** Microbolometer thermal sensor array **Measurement Method:** Non-contact infrared temperature sensing **Output Type:** Digital thermal image data **Communication Interface:** I²C-compatible serial interface **Temperature Measurement Capability:** Object temperature monitoring and thermal imaging **Thermal Imaging Function:** Real-time thermal map generation **Integrated Processing:** On-chip signal processing and calibration management **Calibration:** Factory calibrated with stored calibration parameters **Power Supply Configuration:** Single-supply operation **Power Consumption:** Optimized for low-power embedded applications **Refresh Rate:** Programmable thermal frame refresh operation **Thermal Sensitivity:** High-sensitivity infrared detection **Field of View Variant:** Wide-angle thermal imaging configuration **Accuracy Characteristics:** High-precision temperature measurement with integrated compensation algorithms **Memory Features:** Internal EEPROM for calibration coefficients **Operating Mode:** Continuous and programmable thermal acquisition **Data Output Format:** Digital temperature and thermal pixel information **Environmental Stability:** Designed for reliable operation across varying ambient conditions **Electromagnetic Compatibility:** Suitable for embedded and industrial electronic systems **Package Type:** Surface-mount package with infrared-transparent window **Mounting Style:** Surface mount technology **Package Construction:** Reflow-solderable assembly **Lead Finish:** Lead-free finish **Environmental Compliance:** RoHS compliant and halogen-free **Reliability Features:** Factory-tested and production-calibrated thermal imaging device **Typical Applications** Thermal cameras Human presence detection systems Occupancy monitoring Industrial predictive maintenance Electrical equipment inspection Smart building automation HVAC monitoring systems Medical screening devices Consumer electronics Robotics and autonomous systems Fire detection and prevention systems Industrial process monitoring Energy management systems Automotive thermal sensing applications Security and surveillance equipment #MLX90640 #MLX90640ESF #Melexis #ThermalSensor #InfraredSensor #ThermalImaging #Microbolometer #TemperatureSensor #IndustrialAutomation #EmbeddedSystems #IoT #PredictiveMaintenance #SmartBuilding #ThermalCamera #ElectronicComponents #EngineeringSpecifications

USB-C (USB TYPE-C) USB 2.0 Receptacle Connector 24 (16+8 Dummy) Position Surface Mount, Through Hole The USB4960-00-C is a vertical USB Type-C® USB 2.0 receptacle connector manufactured by GCT (Global Connector Technology). It is designed for compact embedded systems, consumer electronics, industrial equipment, and IoT devices requiring a reliable USB Type-C interface for USB 2.0 data transfer and power delivery. The connector features a hybrid Surface Mount Technology (SMT) and Through-Hole (TH) shell stake design, providing excellent PCB retention and mechanical durability. It supports up to 240 W (48 V DC) power capability and is rated for 10,000 mating cycles, making it suitable for demanding applications. Key Features USB Type-C® USB 2.0 vertical receptacle 16 active contacts with 8 dummy contacts (24-position mechanical interface) Hybrid SMT signal pins with through-hole shell stakes for enhanced mechanical strength Supports up to 48 V DC and 240 W power capability Rated for 10,000 mating cycles Gold-plated copper alloy contacts for reliable electrical performance Shielded metal shell for improved EMI protection Operating temperature: -25°C to +85°C Features locating pegs, board guide, pick-and-place cap, and solder retention for automated assembly Ideal for embedded systems, industrial electronics, consumer devices, and USB charging applications. #USBTypeC #USB20 #ReceptacleConnector #VerticalConnector #SMT #ThroughHole #GCT #PowerConnector #DataConnector #PCBConnector #EmbeddedSystems #IndustrialElectronics