30 Ohms @ 100 MHz 1 Power Line Ferrite Bead 0603 (1608 Metric) 1A 50mOhm # BLM18PG300SN1D ## General Description The BLM18PG300SN1D is a surface-mount ferrite bead manufactured by Murata Manufacturing and designed for electromagnetic interference suppression in power line and signal line applications. As part of the BLM18P series, the device provides effective attenuation of high-frequency noise while maintaining low DC resistance and minimal impact on desired signals. Its compact construction, high current capability, and stable impedance characteristics make it suitable for power supply filtering, digital electronics, communication equipment, industrial control systems, automotive-support electronics, and embedded devices. The component is optimized to improve electromagnetic compatibility, reduce conducted noise, and enhance overall system reliability in compact electronic designs. ## Key Features ### Noise Suppression Characteristics * Ferrite bead EMI suppression technology * High-frequency noise attenuation * Effective conducted noise filtering * Stable impedance performance * Enhanced electromagnetic compatibility * Reduced signal interference ### Electrical Characteristics * Low DC resistance * High current handling capability * Minimal voltage drop across the device * Reliable operation in power distribution circuits * Stable performance across a wide frequency range * Suitable for power and signal filtering applications ### Power Line Filtering * Optimized for power supply noise suppression * Improved power rail cleanliness * Reduction of switching noise * Enhanced system stability * Suitable for DC power distribution networks ### Mechanical Characteristics * Surface-mount package construction * Compact footprint design * Automated assembly compatible * High-density PCB layout support * Reflow soldering compatible * Suitable for space-constrained applications ### Material Construction * High-performance ferrite material * Robust multilayer structure * RoHS-compliant materials * Lead-free construction * Industrial-grade manufacturing quality ### Environmental Characteristics * Long operational service life * Reliable operation under industrial conditions * Stable electrical characteristics over time * Resistant to mechanical and thermal stress * Suitable for continuous operation ### Application Areas * Power Supply Filtering * Embedded Systems * Industrial Automation Equipment * Consumer Electronics * Communication Devices * Microcontroller Systems * Wireless Equipment * Data Processing Systems * Automotive Electronic Modules * Battery-Powered Devices * Digital Control Circuits * General EMI Suppression Applications ### Compliance * RoHS Compliant * Lead-Free Compatible * Industrial-Grade EMI Suppression Solution ## Manufacturer Murata Manufacturing Co., Ltd. ## Product Family BLM18P Series Ferrite Beads #BLM18PG300SN1D #Murata #FerriteBead #EMIFilter #NoiseSuppression #PowerLineFilter #EMC #EMI #EmbeddedSystems #IndustrialElectronics #PowerManagement #SignalIntegrity #PCBDesign #ElectronicsEngineering #SurfaceMountComponents

Buck Switching Regulator IC Positive Fixed 5V 1 Output 3A 16-VFQFN Exposed Pad TPS62133RGTT is a synchronous step-down DC-DC buck converter from Texas Instruments designed for high-efficiency power regulation in compact embedded and battery-powered applications. It integrates high-side and low-side MOSFETs and operates with a fixed switching frequency optimized for low EMI and minimal external component count. The device supports wide input voltage operation and delivers stable regulated output voltage with excellent transient response and high conversion efficiency across varying load conditions. This regulator is commonly used in portable electronics, industrial controllers, wireless communication modules, sensor systems, and low-power embedded designs where compact PCB footprint and efficient power conversion are critical. The integrated soft-start, thermal shutdown, overcurrent protection, and power-good monitoring features improve system reliability and simplify power supply implementation. The TPS62133RGTT is housed in a compact QFN package suitable for space-constrained designs and supports operation with ceramic input and output capacitors for improved stability and reduced BOM size. #commonpartslibrary #powermanagement #buckconverter #dcdcconverter #texasinstruments #powersupply #embeddedhardware #lowpowerdesign #industrialelectronics #portableelectronics

Charger IC Lithium Ion/Polymer 18-WQFN-HR (3x2.5) The BQ25622RYKR is a highly integrated standalone switch-mode battery charge management and system power-path management device designed for single-cell lithium-ion and lithium-polymer batteries. The device integrates a high-efficiency synchronous buck charger, system power-path control, input current management, and battery protection functions into a compact solution optimized for portable and embedded applications. The device supports USB and external adapter power sources while providing programmable charging parameters through an I²C interface. Integrated power MOSFETs and advanced power management features reduce external component count and improve overall system efficiency. The charger incorporates dynamic power management, thermal regulation, battery temperature monitoring, and multiple safety protections to ensure reliable operation under varying load and environmental conditions. The BQ25622 family is designed for compact battery-powered systems requiring efficient charging, intelligent power-path control, and low system power consumption. Engineering Specification Manufacturer: Texas Instruments Device Type: Single-Cell Li-Ion/Li-Polymer Switching Battery Charger with Integrated Power-Path Management Battery Chemistry Support: Lithium-Ion and Lithium-Polymer Charging Topology: Synchronous Buck Switching Charger Input Power Sources: USB Input and External DC Adapter Support Charge Current Capability: Programmable Fast Charge Current Support Communication Interface: I²C Serial Communication Interface Integrated Power Devices: Internal High-Side and Low-Side MOSFETs Charging Features: Precharge Mode Fast Charge Mode Charge Termination Automatic Recharge Programmable Charge Parameters Safety Timer Control Power Management Features: Dynamic Power-Path Management Input Current Optimization Narrow Voltage DC Regulation Input Voltage Regulation System Voltage Regulation Monitoring and Reporting Features: Charge Status Monitoring Fault Status Reporting Battery Temperature Monitoring through NTC Interface Input Source Detection Protection Features: Input Overvoltage Protection Battery Overvoltage Protection Thermal Shutdown Protection Thermal Regulation Input Current Limiting Short-Circuit Protection Safety Timer Protection Package Type: WQFN Package Package Variant: RYK Mounting Type: Surface Mount Typical Applications: Portable Consumer Electronics Embedded Battery-Powered Devices IoT Systems Handheld Industrial Equipment USB-Powered Systems Wearable Electronics Portable Medical Devices #commonpartslibrary #integratedcircuit #powermanagement #batterycharger

This project is a Lithium-ion battery charger circuit based on LTC4007 IC. The design incorporates n-channel power MOSFETs and extensive protection features for overcurrent, overvoltage, undervoltage, and overtemperature conditions. It is ideal for portable, battery-powered systems. #project #LTC4007 #ReferenceDesign #charger #BatteryManagement #reusable #module #bms #analog #template

USB Controller USB 2.0 I2C Interface 24-QFN (4x4) The STUSB4500QTR is a standalone USB Type-C Power Delivery (PD) controller from STMicroelectronics designed for power sink applications (devices that receive power, like chargers, IoT devices, or battery-powered systems). It enables automatic negotiation of USB Power Delivery contracts (up to 100 W: 20 V / 5 A) without requiring an external microcontroller, thanks to its built-in auto-run algorithm. Power profiles (PDOs) can be pre-configured and stored in internal non-volatile memory, simplifying system design and reducing component count. The device is optimized for modern USB-C designs, offering robust protection, high-voltage tolerance, and support for operation even from a dead battery state. Key Features Power Delivery & Control Standalone USB Type-C™ and USB PD sink controller Supports up to 100 W (20 V, 5 A) power negotiation Auto-run mode (no MCU required) for PD negotiation Up to 3 configurable sink PDO profiles stored in NVM Power Management Dead battery mode support (can start with no battery power) Dual power supply inputs: V_SYS: 3.0 V – 5.5 V V_DD: 4.1 V – 22 V Integrated VBUS monitoring and control Integrated Functions Built-in VBUS switch gate drivers (PMOS) Internal/external VBUS discharge paths I²C interface for configuration and monitoring Protection & Reliability Short-to-VBUS protection on CC pins (up to 22 V) High-voltage tolerance: Up to 28 V on VBUS pins ESD protection: 3 kV HBM / 1.5 kV CDM Physical & Environmental Package: QFN-24 (4×4 mm) Operating temperature: –40°C to +105°C Industrial-grade reliability Compliance & Compatibility Certified for: USB Type-C Rev 1.2 USB PD Rev 2.0 Interoperable with USB PD 3.0 #commonpartslibrary #integratedcircuit #usbcontroller

Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 2A 8-SOIC (0.154", 3.90mm Width) # L6982N33DR ## General Description The L6982N33DR is a high-efficiency synchronous step-down switching regulator manufactured by STMicroelectronics. It is designed to provide a fixed regulated output voltage from a wide input voltage range while maintaining excellent conversion efficiency and low power dissipation. The device integrates high-side and low-side power MOSFETs, control circuitry, protection features, and compensation functions within a compact package, reducing external component count and simplifying power supply design. Its robust architecture makes it suitable for industrial automation systems, distributed power architectures, telecommunications equipment, embedded systems, consumer electronics, smart devices, and battery-powered applications requiring efficient DC-to-DC voltage conversion. ## Key Features ### Power Conversion Architecture * Synchronous buck regulator topology * Fixed output voltage regulation * Integrated power MOSFETs * High-efficiency power conversion * Optimized switching performance * Reduced external component requirements ### Electrical Characteristics * Wide input voltage operating range * Stable output voltage regulation * High conversion efficiency * Low standby power consumption * Fast transient response * Low output ripple performance ### Control Features * Current-mode control architecture * Internal compensation circuitry * Soft-start functionality * Frequency synchronization capability * Stable operation under varying load conditions ### Protection Features * Overcurrent protection * Short-circuit protection * Thermal shutdown protection * Undervoltage lockout protection * Safe startup operation * Enhanced system reliability ### Power Management * Low-power operating modes * Energy-efficient design * Suitable for battery-powered systems * Optimized thermal performance * Reduced power dissipation ### Package Characteristics * Surface-mount package * Compact footprint * Automated assembly compatible * High-density PCB design support * Industrial-grade packaging ### Material Construction * Monolithic integrated power management solution * Lead-free package materials * RoHS-compliant construction * High-reliability semiconductor technology ### Environmental Characteristics * Suitable for industrial operating environments * Long operational service life * Reliable continuous operation * Robust thermal performance ### Application Areas * Industrial Automation Equipment * Embedded Systems * Microcontroller Power Supplies * FPGA and Processor Power Rails * Telecommunications Equipment * Smart Metering Systems * Consumer Electronics * Building Automation Systems * Distributed Power Architectures * Battery-Powered Devices * IoT Products * Power Management Modules ### Compliance * RoHS Compliant * Lead-Free Compatible * Industrial-Grade Power Management Solution ## Manufacturer STMicroelectronics ## Product Family L6982 Synchronous Step-Down Switching Regulator Series #L6982N33DR #STMicroelectronics #BuckConverter #DCtoDCConverter #SwitchingRegulator #PowerManagement #PowerSupplyDesign #EmbeddedSystems #IndustrialElectronics #VoltageRegulator #PowerElectronics #IoTDevices #ElectronicsEngineering #PCBDesign #SMPS

Accelerometer X, Y, Z Axis ±400g 160Hz ~ 2.56kHz 16-LGA (3x3.25) The ADXL373BCCZ-RL7 is an ultralow power, high-g digital MEMS accelerometer developed by Analog Devices for motion sensing and impact detection applications. The device is optimized for battery-powered and always-on systems requiring continuous acceleration monitoring with minimal power consumption. It supports selectable measurement ranges suitable for shock, vibration, and activity monitoring in industrial, wearable, medical, asset tracking, and IoT applications. The accelerometer integrates embedded motion detection features, a FIFO buffer, and interrupt capabilities to reduce host processor workload and overall system power consumption. Engineering Specification Device Type Ultralow power 3-axis digital MEMS accelerometer Manufacturer Analog Devices Inc. Manufacturer Part Number ADXL373BCCZ-RL7 Measurement Axes Three-axis acceleration sensing Acceleration Range Selectable full-scale ranges supporting high-g measurements up to ±400 g Output Interface SPI digital serial communication interface Resolution High-resolution digital acceleration output with integrated filtering and signal conditioning Power Supply Requirement Operates from a low-voltage DC supply suitable for portable and embedded systems Power Consumption Designed for extremely low current operation during measurement and wake-up monitoring modes Embedded Features Integrated activity detection Motion and impact sensing FIFO data buffering Interrupt generation Wake-up detection functionality Sampling and Performance Programmable output data rates and filtering options for optimized noise and bandwidth performance Operating Temperature Range Industrial temperature range suitable for harsh environmental applications Package Type LGA surface-mount package Mounting Style Surface mount technology Application Areas Impact event recording Condition monitoring Asset tracking Industrial sensing Wearable electronics Portable instrumentation Shock and vibration monitoring Always-on motion detection systems #commonpartslibrary #integratedcircuit #accelerometer #sensor

555 Type, Timer/Oscillator (Single) IC 2.1MHz 8-SOIC The TLC555IDR is a low-power CMOS timer device designed as a functional replacement for the standard bipolar 555 timer while providing significantly reduced supply current and improved operating efficiency. The device supports both astable and monostable operating modes and is commonly used for timing generation, pulse shaping, oscillation, PWM generation, delay circuits, and frequency generation applications. The CMOS architecture enables low power consumption, rail-to-rail output capability, and stable timing performance over a wide operating voltage range. The device is suitable for battery-powered systems, portable electronics, industrial controls, instrumentation, consumer products, and embedded electronic designs. The TLC555IDR is supplied in a compact SOIC surface-mount package intended for automated PCB assembly and space-constrained applications. Electrical Characteristics CMOS low-power timer architecture Functional equivalent to standard 555 timer devices Wide operating supply voltage range Low quiescent supply current High input impedance Rail-to-rail output swing capability Stable threshold and trigger levels Compatible with TTL and CMOS logic levels Capable of astable and monostable operation Adjustable duty cycle and frequency operation High output drive capability for direct interfacing Low noise and improved switching performance compared to bipolar 555 timers Functional Features Precision timing generation Oscillator and clock generation Pulse-width modulation support One-shot pulse generation Delay timer implementation Missing pulse detection Frequency divider implementation Sequential timing control LED flashing and tone generation PWM motor and power control applications Package Information Surface-mount SOIC package Standard tape-and-reel packaging format Compact footprint for automated assembly RoHS compliant device construction Environmental and Operating Conditions Industrial operating temperature range ESD protection handling required Suitable for commercial and industrial embedded systems Designed for low-power electronic applications Typical Applications Timer circuits Pulse generators Oscillators PWM controllers LED flashers Alarm and tone generators Frequency generators Power management timing Embedded control systems Portable battery-powered electronics #commonpartslibrary #integratedcircuit #timer #oscillator

JLCPCB Part # C70377 QJ.BS-6 battery holder for cylindrical battery cells, through-hole PCB mounting, molded UL94V-0 LCP housing with tin-plated phosphor bronze battery contacts, designed for secure retention and electrical connection of a single cylindrical battery, compact vertical PCB installation, suitable for battery-powered electronic devices, embedded systems, development boards, sensors and portable equipment. Search Keywords: QJ.BS-6, QJ BS-6, battery holder, cylindrical battery holder, PCB battery holder, through hole battery holder, vertical battery holder, battery socket, battery clip holder, UL94V0 battery holder, single cell battery holder, Shenzhen Q&J Electronics battery holder, PCB battery socket #QJBS6 #BatteryHolder #BatterySocket #BatteryClip #PCBBatteryHolder #ThroughHoleBatteryHolder #CylindricalBatteryHolder #SingleCellBatteryHolder #BatteryConnector #PortableElectronics #EmbeddedHardware #PowerSupplyHardware #C70377

The TPS54331 device is a 28-V, 3-A nonsynchronous buck converter that integrates a low RDS(on) high-side MOSFET. To increase efficiency at light loads, a pulse skipping Eco-mode feature is automatically activated. Furthermore, the 1-μA shutdown supply-current allows the device to be used in battery-powered applications. Current mode control with internal slope compensation simplifies the external compensation calculations and reduces component count while allowing the use of ceramic output capacitors. A resistor divider programs the hysteresis of the input undervoltage lockout. An overvoltage transient protection circuit limits voltage overshoots during start-up and transient conditions. A cycle-by-cycle current-limit scheme, frequency foldback and thermal shutdown protect the device and the load in the event of an overload condition. The TPS54331 device is available in an 8-pin SOIC package and 8-pin SO PowerPAD integrated circuit package that have been internally optimized to improve thermal performance. • 3.5 to 28-V input voltage range • Adjustable output voltage down to 0.8 V • Integrated 80-mΩ high-side MOSFET supports up to 3-A continuous output current • High efficiency at light loads with a pulse skipping Eco-mode • Fixed 570-kHz switching frequency • Typical 1-μA shutdown quiescent current • Adjustable slow-start limits inrush currents • Programmable UVLO threshold • Overvoltage transient protection • Cycle-by-cycle current limit, frequency foldback, and thermal shutdown protection • Available in easy-to-use SOIC8 package or thermally-enhanced SOIC8 PowerPAD™ integrated circuit package • Create a custom design using the TPS54331 with the WEBENCH® Power Designer • Use TPS62933 for a 30 VIN converter with higher frequency, lower IQ and improved EMI #CommonPartsLibrary #IntegratedCircuit #PowerManagement