Switches
A switch is a device that allows electricity to flow through a circuit by completing or interrupting the connection. It is a common component in electrical and electronic systems and is used in a variety of applications, such as controlling the flow of electricity in a circuit, turning devices on and off, and routing electrical signals. One of the primary use cases for switches is to control the flow of electricity in a circuit. This can be done by manually flipping the switch or by using a control mechanism, such as a timer or a sensor. Another common use for switches is to turn devices on and off. This can be done using a switch that is built into the device or by using a separate switch that is connected to the device. In addition to these basic use cases, switches can also be used to route electrical signals. For example, a switch can be used to route a signal from one device to another or to direct a signal to a specific circuit or component. If you're looking for a wide variety of switches for your projects, flux.ai has the world's largest community-driven public library of them. The library includes footprints, symbols, datasheets, and simulation models for a wide range of switches, making it easy to find the right switch for your needs.
NCP81428MNTXG
Hot Swap Controller 1 Channel General Purpose 32-LQFN (5x5) The NCP81428MNTXG is a high-performance multi-phase synchronous buck controller designed for CPU, GPU, FPGA, ASIC, and high-current core power applications requiring accurate voltage regulation, fast transient response, and high efficiency. The device supports multi-phase operation with integrated gate drivers and advanced control architecture optimized for modern low-voltage, high-current power rails. It is intended for applications requiring dynamic voltage scaling, precise load-line regulation, and reliable system power management in computing, networking, telecommunications, and industrial platforms. The controller operates with external MOSFET stages and supports flexible power stage configuration for optimized thermal and efficiency performance. It incorporates differential voltage sensing, programmable protection features, current balancing between phases, and high-speed transient compensation to maintain stable operation under rapidly changing load conditions. Engineering Specification Manufacturer onsemi Manufacturer Part Number NCP81428MNTXG Device Type Multi-Phase Synchronous Buck Controller with Integrated Gate Drivers Control Topology Voltage Mode Multi-Phase PWM Control Phase Configuration Dual-Phase Controller Architecture Application Focus CPU Core Power GPU Core Regulation FPGA Power Rails ASIC Core Supplies High-Current DC-DC Regulation Input Supply Range Supports Low-Voltage Bias Supply Operation for Digital Power Systems Output Voltage Regulation Programmable Low-Voltage Output Regulation with Differential Remote Sense Capability Switching Frequency Programmable PWM Switching Frequency with Multi-Phase Interleaving Gate Driver Integration Integrated High-Side and Low-Side MOSFET Gate Drivers Current Sensing Supports Inductor DCR Sensing and Sense Resistor Current Monitoring Load-Line Support Programmable Load-Line Regulation and Droop Compensation Voltage Positioning Adaptive Voltage Positioning for Improved Transient Performance Protection Features Overcurrent Protection Overvoltage Protection Undervoltage Protection Thermal Protection Short-Circuit Protection Power-Good Monitoring Power Management Features Soft-Start Control Enable Functionality Phase Balancing Fault Monitoring Sequencing Support Compensation External Compensation Network Support for Loop Stability Optimization Efficiency Features Synchronous Rectification Support Multi-Phase Interleaving for Reduced Ripple Current Optimized Gate Drive Timing Package Type QFN Surface-Mount Package Mounting Type Surface Mount Technology Temperature Range Industrial Operating Temperature Range Target Applications Server Motherboards High-Performance Embedded Computing Networking Equipment Telecommunications Infrastructure Industrial Processing Systems Graphics and Accelerator Platforms #commonpartslibrary #integratedcircuit #powermanagement #hotswapcontrollers
2 Uses0 StarsTPS16850VMAR
Hot Swap Controller 1 Channel General Purpose 23-LQFN-CLIP (6x5) The TPS16850VMAR is an automotive-grade integrated hot-swap and protection controller designed for robust power-path management in low-voltage DC systems. The device provides comprehensive protection features including overvoltage protection, undervoltage protection, reverse current blocking, inrush current control, overcurrent protection, and short-circuit protection. It is intended for applications requiring controlled power delivery and fault isolation in harsh electrical environments. The device integrates dual back-to-back MOSFET control to support bidirectional current blocking and safe power switching. Adjustable protection thresholds and timing parameters allow flexible system configuration for various power rail requirements. The TPS16850VMAR supports operation across a wide supply voltage range and is optimized for automotive and industrial systems requiring high reliability and transient immunity. The controller includes fault reporting and system status monitoring functions to support intelligent power management architectures. Soft-start capability minimizes inrush current during startup, reducing stress on connectors, power supplies, and downstream circuitry. Integrated thermal protection enhances system safety during abnormal operating conditions. The TPS16850VMAR is qualified for automotive applications and complies with AEC-Q100 requirements. The device is provided in a compact VQFN package suitable for space-constrained designs and high-density PCB layouts. Key Features Automotive-qualified hot-swap and eFuse controller Wide operating input voltage range Adjustable overvoltage and undervoltage protection Reverse current and reverse polarity protection Inrush current control with programmable soft-start Adjustable overcurrent and short-circuit protection Fault monitoring and reporting outputs Integrated thermal shutdown protection Back-to-back MOSFET control architecture Fast fault response and isolation Support for controlled power sequencing Designed for harsh automotive electrical environments AEC-Q100 qualified for automotive applications Compact VQFN surface-mount package Applications Automotive electronic control units Infotainment and telematics systems ADAS and camera modules Industrial power distribution Hot-swappable system power rails Battery-powered embedded systems Power-path management systems Protection for sensitive downstream electronics Electrical Characteristics Operates from low-voltage DC power rails Supports programmable protection thresholds Integrated current sensing and fault detection High transient immunity for automotive environments Low standby current operation Fast response to overload and fault conditions Mechanical Characteristics Surface-mount VQFN package Compact footprint for dense PCB layouts RoHS-compliant package construction Suitable for automated assembly processes Environmental and Reliability Specifications Automotive AEC-Q100 qualified Extended operating temperature range ESD protection on interface pins Designed for high-reliability applications Supports operation in electrically noisy environments #commonpartslibrary #integratedcircuit #powermanagement #hotswapcontrollers
61 Uses0 StarsTQ2SA-L2-3V-Z
Flat, 5 mm 2 Form C, 2 A, relays Telecom Relay DPDT (2 Form C) Surface Mount The TQ2SA-L2-3V-Z is a compact surface-mount DPDT (2 Form C) telecom/signal relay from Panasonic Industry designed for low-power switching applications. It features a dual-coil latching mechanism, allowing the relay to maintain its state without continuous coil power, making it suitable for battery-powered and energy-efficient systems. This relay is commonly used in telecommunications equipment, industrial controls, measurement devices, and embedded electronic systems. Key Features DPDT (2 Form C) contact configuration 3V DC dual-coil latching relay Low power consumption: approximately 140 mW Compact SMD package: only 5.6 mm height Surface-mount gull-wing terminals Sealed construction for automatic washing compatibility High switching capability: up to 2 A Wide switching voltage range: up to 125 VAC / 220 VDC Fast operate/release time: approx. 4 ms High dielectric strength and surge resistance Wide operating temperature: −40°C to +85°C Gold-clad AgNi contacts for reliable low-level signal switching Tape-and-reel packaging (“Z” suffix) for automated assembly #CommonPartsLibrary #relay
2 Uses0 StarsLMR33630-Q1
3.8-V to 36-V, 3-A synchronous step-down voltage converter Buck Switching Regulator IC Positive Adjustable 1V 1 Output 3A 12-PowerVFQFN The LMR33630-Q1 automotive-qualified regulator is an easy-to-use, synchronous, step-down DC/DC converter that delivers best-in-class efficiency for rugged applications. The LMR33630-Q1 drives up to 3 A of load current from an input of up to 36 V. The LMR33630-Q1 provides high light load efficiency and output accuracy in a very small solution size. Features such as a power-good flag and precision enable provide both flexible and easy-touse solutions for a wide range of applications. The LMR33630-Q1 automatically folds back frequency at light load to improve efficiency. Integration eliminates most external components and provides a pinout designed for simple PCB layout. Protection features include thermal shutdown, input undervoltage lockout, cycle-by-cycle current limit, and hiccup short-circuit protection. The LMR33630-Q1 is available in a 12-pin 3 mm × 2 mm next generation VQFN package with wettable flanks • AEC-Q100 qualified for automotive applications: – Temperature grade 1: –40°C to +125°C, TA • Functional Safety-Capable – Documentation available to aid functional safety system design • Configured for rugged automotive applications – Input voltage range: 3.8 V to 36 V – Output voltage range: 1 V to 24 V – Output current: 3 A – 75-mΩ/50-mΩ RDS-ON power MOSFETs – Peak-current-mode control – Short minimum on-time of 68 ns – Frequency: 400 kHz, 1.4 MHz, 2.1 MHz – Integrated compensation network • Low EMI and switching noise – HotRod™ package – Parallel input current paths • High power conversion at all loads – Peak efficiency > 95% – Low shutdown quiescent current of 5 µA – Low operating quiescent current of 25 µA #CommonPartsLibrary #IntegratedCircuit #PowerManagement #LMR33630
270 Uses0 StarsMAX77960EFV06+
- Converter, Battery Powered Devices Voltage Regulator IC 1 Output 30-FC2QFN (4x4) The MAX77960EFV06+ is a fully integrated switching charger and power management IC that supports both step-up (boost) and step-down (buck) operation, making it suitable for USB-C PD applications where input voltage can be higher or lower than the battery voltage. It includes an internal Smart Power Selector™, which intelligently manages power flow between the input source, battery, and system load, enabling smooth system startup even with deeply discharged batteries. This device is widely used in portable electronics, battery-powered systems, drones, cameras, and USB-C PD devices requiring high power efficiency and compact design. Key Features Power & Electrical Specs Input voltage range: 3.5 V to 25.4 V High-efficiency buck-boost operation (up to ~97% peak efficiency) Programmable charging current: 100 mA to 3.15 A (MAX77960 version) Supports 2-cell and 3-cell Li-ion battery charging #CommonPartsLibrary #IntegratedCircuit #PowerManagement
0 Uses0 StarsBQ25792RQMR
Charger IC Lithium Ion/Polymer 29-VQFN-HR (4x4) The BQ25792 is a switch-mode synchronous buck-boost charger with full power-path management. It can automatically regulate power flow between the input source, system load, and battery. It supports a wide input range and is designed for USB Type-C™ / USB Power Delivery (USB-PD) systems, enabling both charging and OTG (power output from battery) operation. ⭐ Key Features ⚡ High-performance charging Up to 5 A charge current Supports 1S to 4S battery packs High efficiency (up to ~96% under typical conditions) Programmable switching frequency: 750 kHz or 1.5 MHz 🔋 Wide input support Input voltage range: 3.6 V to 24 V Absolute max rating up to 30 V Supports USB adapters and barrel jack sources Detects USB charging standards (BC1.2, DCP, CDP, HVDCP, etc.) 🔄 Buck-boost power conversion Seamless buck, boost, and buck-boost operation Maintains stable system voltage even when battery is low or input varies 🔌 USB-PD / OTG support USB Power Delivery (PD 3.0 compatible) Supports OTG output (battery powers USB port) OTG voltage range: 2.8 V to 22 V 🧠 Intelligent power management NVDC power path management (system can run without battery) Dual-input power mux controller (select between two power sources) Battery supplement mode (prevents input overload) 📊 Monitoring & control Integrated 16-bit ADC for voltage, current, temperature monitoring Fully I²C configurable Autonomous or host-controlled operation 🛡️ Protection & safety Input and battery over-voltage/over-current protection Thermal regulation and shutdown Charging safety timer MOSFET protection (internal switching FETs included) 📦 Package 29-pin VQFN (4 mm × 4 mm) package Industrial temperature range: -40°C to 85°C #CommonPartsLibrary #IntegratedCircuit #PowerManagement #Battery-charger
27 Uses0 StarsLM51772RHAR
Buck-Boost Regulator Positive Output Step-Up/Step-Down I2C DC-DC Controller IC 40-VQFN (6x6) The LM51772RHAR is a high-performance multi-phase bidirectional buck-boost controller designed for power conversion systems requiring efficient energy transfer between two voltage domains. The device supports seamless operation in both step-up and step-down modes and is optimized for battery-powered, automotive, industrial, and energy storage applications. The controller enables bidirectional current flow, making it suitable for battery charging, backup power systems, supercapacitor management, and high-power USB Type-C power delivery applications. The device integrates advanced control architecture for high efficiency across a wide operating range while supporting programmable current regulation, voltage regulation, and protection features. Multi-phase capability allows reduced input and output ripple currents, improved thermal distribution, and higher overall power capability. The controller supports external MOSFETs for scalable power design flexibility and includes comprehensive monitoring and fault management functions. The LM51772RHAR is designed for operation in demanding environments with robust protection features including overvoltage protection, undervoltage lockout, cycle-by-cycle current limiting, thermal shutdown, and fault reporting. Its flexible configuration and high integration level reduce external component count and simplify implementation in high-density power systems. Key Features Bidirectional synchronous buck-boost controller architecture Supports power transfer in both forward and reverse directions Multi-phase operation for increased power capability and reduced ripple Wide input and output voltage operating range High-efficiency synchronous control using external MOSFETs Programmable current and voltage regulation Peak and average current control capability Seamless transition between buck, boost, and buck-boost operating modes Integrated current sensing support Programmable switching frequency synchronization Phase interleaving support for thermal and ripple optimization External clock synchronization capability Soft-start and controlled startup sequencing Comprehensive fault detection and protection functions Overcurrent protection and short-circuit protection Overvoltage and undervoltage protection Thermal shutdown protection Fault status reporting and system monitoring support Designed for automotive and industrial power applications Compact thermally enhanced package Typical Applications Bidirectional battery charging systems Energy storage systems Automotive dual-battery architectures USB Type-C Power Delivery systems Backup power and UPS systems Supercapacitor charging and balancing Industrial DC power conversion Renewable energy power management High-power portable electronics Telecom and server power systems Electrical Characteristics Wide operating supply voltage range High switching frequency operation capability High-current multi-phase scalability Precision current regulation accuracy Low standby power consumption High-efficiency synchronous rectification support Programmable dead-time and switching parameters Stable operation across wide temperature range Package Information Package Type: VQFN Package Suffix: RHA Thermally enhanced exposed pad package Surface-mount implementation Suitable for automated assembly processes #commonpartslibrary #integratedcircuit #powermanagement #buckboost #dcdcswitchingcontrollers
19 Uses0 StarsMAX77958EWV+
Mobile Communications PMIC 30-WLP (2.62x3.07) The MAX77958EWV+ is a highly integrated USB Type-C and USB Power Delivery (USB PD) controller designed for portable and battery-powered electronic systems. Manufactured by Analog Devices/Maxim Integrated, the device provides complete USB Type-C Configuration Channel (CC) detection, USB PD protocol management, and power path control functionality within a compact wafer-level package. It is optimized for applications requiring flexible USB charging, power negotiation, and accessory support while minimizing external component count and system complexity. The device integrates a USB Type-C Port Controller (TCPC), Power Delivery Policy Engine, BC1.2 charger detection, VCONN management, dead battery support, and integrated protection features. It supports both sink and dual-role power operation, enabling intelligent power negotiation between connected devices and external power adapters. The controller communicates with the host processor through an I²C interface, allowing firmware-based configuration and monitoring. The MAX77958EWV+ is intended for smartphones, tablets, wearable devices, portable computing platforms, docking stations, embedded systems, and other USB Type-C enabled consumer electronics requiring reliable power delivery and advanced USB connectivity management. Electrical Characteristics The device operates from a low-voltage supply optimized for portable electronic systems. It supports USB Type-C and USB Power Delivery specifications with integrated CC line monitoring and protocol handling. The controller includes internal voltage regulation and protection mechanisms to ensure reliable operation during attachment, detachment, and fault conditions. The integrated USB Power Delivery engine supports multiple power profiles and dynamic voltage negotiation. The device supports sink functionality for charging applications and can be configured for dual-role operation depending on system requirements. Low standby current operation enables efficient battery-powered system implementation while maintaining USB attach detection capability. Functional Features Integrated USB Type-C Port Controller compliant with USB Type-C standards USB Power Delivery protocol engine supporting power negotiation and role management Support for sink and dual-role power configurations Integrated BC1.2 charger detection capability Dead battery support for autonomous attachment detection Integrated VCONN switch and cable orientation detection Automatic CC pin monitoring and cable attach detection I²C interface for host processor communication and configuration Integrated interrupt generation for event handling Support for programmable power profiles and policy management Internal fault monitoring and protection features Compact wafer-level package suitable for space-constrained applications Protection Features Overvoltage monitoring on USB Type-C interface lines Short-circuit protection support Thermal protection and fault detection mechanisms Integrated VCONN current limiting ESD protection for external USB interface connections Safe attach and detach handling during cable insertion events Interface Characteristics USB Type-C CC interface compliant with USB Type-C specifications I²C serial communication interface for host control Interrupt output for event notification Integrated support for orientation detection and cable identification Programmable configuration registers accessible through I²C Package Information Package type is wafer-level package optimized for compact portable designs RoHS compliant and suitable for lead-free manufacturing processes Designed for automated surface-mount assembly Applications Smartphones and mobile devices Tablet computers Wearable electronics Portable battery-powered equipment USB Type-C charging systems Embedded USB PD controllers Docking stations and accessories Consumer electronic products requiring USB Type-C connectivity #commonpartslibrary #integratedcircuit #powermanagement #mobilecommunications
3 Uses0 Stars
