Voltage Regulators
A voltage regulator is an electronic device that maintains a constant output voltage level, regardless of changes in the input voltage or load conditions. These devices are commonly used to provide a stable power supply to electronic circuits, as well as to protect them from voltage spikes and surges. There are several types of voltage regulators, including linear, switching, and pulse width modulation (PWM) regulators, each with its own set of characteristics and applications. Linear regulators, for example, are simple and efficient, but have a relatively low switching speed and can only provide a limited output current. Switching regulators, on the other hand, have higher switching speeds and can provide a higher output current, but are more complex and require additional components. In addition to their use in power supplies and voltage protection, voltage regulators are also used in a wide range of other applications, including motor control, battery charging, and instrumentation. Flux.ai has the world's largest community-driven public library of voltage regulators, with footprints, symbols, datasheets, and simulation models for a wide range of devices. Whether you're a designer, engineer, or hobbyist, you can find the resources you need to get your project up and running quickly and efficiently.
TDA1085C
Motor Driver Parallel 16-PDIP The TDA1085C is a universal motor speed controller IC designed for phase-angle control of AC universal motors. It is commonly used in washing machines, power tools, and other appliances requiring closed-loop motor speed regulation using a TRIAC drive stage. Key Features Closed-loop motor speed control TRIAC phase-angle control output Integrated frequency-to-voltage converter Built-in soft-start function Dual acceleration ramp generator Load current limiting protection Tachogenerator feedback sensing Direct AC line supply capability Motor stall and tachometer failure protection Wide operating temperature range Available in DIP-16 package Typical Applications Washing machine motor control AC universal motor drives Industrial motor speed regulators Power tools Sewing machines Small appliance motor controllers Package Information Package Type: PDIP-16 / SOIC-16 Operating Voltage: Typically up to 15 V regulated supply Manufacturer: Originally Motorola / ON Semiconductor #CommonPartsLibrary #IntegratedCircuit #motor-driver
0 Uses0 StarsTPS25940LRVCR
Electronic Fuse Regulator 5.3A 20-WQFN (3x4) The TPS25940LRVCR is a compact eFuse (electronic fuse) power management IC from Texas Instruments designed to provide advanced power-path protection and load management for systems such as SSDs, servers, storage devices, and embedded electronics. It integrates protection features like overcurrent limiting, reverse current blocking, overvoltage protection, and controlled startup sequencing into a single chip. Wide input voltage range: 2.7 V to 18 V Adjustable current limit: 0.6 A to 5.3 A Low ON resistance: 42 mΩ typical True reverse current blocking using back-to-back MOSFETs Programmable output slew rate (dV/dt control) for inrush current management Overvoltage and undervoltage protection Fault and Power-Good outputs for system monitoring Current monitor (IMON) output Low-power DevSleep support for SSD applications Fast reverse voltage shutdown (~1 µs) Operating temperature: −40°C to +125°C junction temperature Available in a compact 20-pin WQFN package Typical Applications PCIe / SATA / SAS SSDs and HDDs Enterprise servers and storage systems RAID controller cards Smart load switches Set-top boxes and gaming systems Backup power and holdup capacitor systems Component Category This component belongs to: Power Management IC (PMIC) More specifically: eFuse / Hot-swap / Load Switch IC Package Information Package type: 20-WQFN (3 mm × 4 mm) Mounting type: Surface Mount (SMD) #commonpartslibrary #integratedcircuit #powermanagement #currentregulation
2.3k Uses0 StarsLGS5145
Buck Switching Regulator IC Adjustable 1 Output 1000mA SOT-23-6 The LGS5145 is a step-down DC/DC regulator with internal switching, featuring SKIP control mode, which combines low quiescent current with high switching frequency to achieve high efficiency over a wide range of load currents. The SKIP mode uses a short “burst” cycle to switch the inductor current through the internal power MOSFETs, followed by a sleep cycle in which the power switch is turned off and the load current is supplied by the output capacitor. At light loads, the burst cycle is a fraction of the total cycle time, minimizing the average supply current and greatly improving efficiency at light loads. The LGS5145 has a wide input voltage range of 4.5V55V, minimizing the need for external surge suppression components.The LGS5145 features an integrated low resistance 0.6Ω high-side power MOSFET that provides at least 1A of output current capability with excellent load and line transient response. Junction temperature range from -40°C to +125°C ■ All ports are ESD protected to 3000V (HBM). ■ Wide input voltage range: 4.5V-55V ■ 600mΩ High Side Metal Oxide Semiconductor Field Effect Transistors ■ At least 1000mA continuous current output capability ■ Up to 90% efficiency ■ SKIP mode provides very high light load efficiency ■ 1.2MHz fixed operating frequency ■ Internal compensation helps reduce solution size, cost and design complexity ■ Supports capacitive start for large loads ■ Cycle-by-cycle overcurrent protection ■ Output short circuit protection ■ thermal shutdown protection ■ Available in ultra-small package SOT23-6 package #CommonPartsLibrary #IntegratedCircuit #PowerManagement #Voltage-regulator #Switching-regulator
12 Uses0 StarsSRP4020TA-4R7M
4.7 µH Shielded Drum Core, Wirewound Inductor 2.6 A 105mOhm Max 2-SMD The SRP4020TA-4R7M is a compact surface-mount power inductor designed for use in high-efficiency power conversion and energy storage applications. It is optimized for switching regulators, DC-DC converters, and filtering circuits where stable inductance, low core loss, and reliable current handling are required. The device features a magnetically shielded construction that minimizes electromagnetic interference, making it suitable for densely populated electronic assemblies. Its robust design supports consistent performance across a wide range of operating conditions, contributing to improved system efficiency and reduced noise. Construction and Materials The component is manufactured using a ferrite core with integrated winding, enclosed in a molded structure that provides mechanical stability and environmental protection. The shielding structure reduces flux leakage and enhances electromagnetic compatibility. External terminations are designed for reliable solderability and strong adhesion to standard printed circuit board pads. Electrical Characteristics The inductor provides a nominal inductance corresponding to its designation and maintains stability under rated operating conditions. It exhibits low direct current resistance to minimize conduction losses and supports moderate to high current levels without significant saturation. The component is engineered to maintain performance over variations in temperature and frequency typical of switching power applications. Thermal Performance The device is capable of operating within standard industrial temperature ranges, with thermal characteristics that support efficient heat dissipation through the PCB. Its construction helps maintain inductance stability and prevents degradation under thermal stress. Mechanical Characteristics The package is a low-profile, surface-mount form factor suitable for automated assembly. The compact footprint enables use in space-constrained designs, while the structure ensures durability during handling and reflow soldering processes. Applications Typical applications include step-down and step-up voltage regulators, power management modules, portable electronics, telecommunications equipment, and general-purpose filtering where compact size and efficient performance are critical. Reliability and Compliance The component is designed to meet common industry reliability standards for surface-mount passive devices. It is compatible with standard reflow soldering processes and is typically compliant with environmental regulations governing hazardous substances. #commonpartslibrary #inductor
160 Uses0 StarsPCA1V3230-100-R
10 µH Unshielded Wirewound Inductor 1.13 A 340mOhm Max 1210 (3225 Metric) PCA1V3230-100-R is a precision electronic component intended for use in signal conditioning and control applications. It is designed to provide stable performance under varying environmental and electrical conditions, making it suitable for integration into industrial, commercial, and instrumentation systems. The component emphasizes reliability, consistency, and compatibility with standard circuit architectures, supporting both analog and mixed-signal designs. Functional Overview The component operates as a passive electrical element that contributes to circuit tuning, filtering, or impedance control depending on application context. It is engineered to maintain consistent electrical characteristics across its operating range, ensuring predictable system behavior. Its construction supports low noise contribution and stable response over time. Electrical Characteristics The device is manufactured to meet tight tolerance requirements and exhibits stable electrical behavior under normal operating conditions. It supports typical voltage and current levels associated with low-power electronic circuits and is suitable for precision applications where signal integrity is critical. Performance is maintained across a defined temperature range with minimal drift. Mechanical Characteristics The component is housed in a compact form factor compatible with standard mounting techniques used in modern electronic assemblies. Its physical structure is optimized for durability and ease of handling during automated and manual assembly processes. Materials used in construction are selected for thermal stability and resistance to environmental stress. Environmental and Reliability Considerations The device is designed to operate reliably under typical environmental conditions encountered in electronic equipment. It demonstrates resistance to temperature variation, humidity, and mechanical stress within specified limits. Long-term stability and performance consistency are key design attributes, supporting extended service life. Applications Typical applications include signal filtering, voltage division, timing circuits, and general-purpose electronic design where precision and stability are required. It is suitable for use in consumer electronics, industrial control systems, communication devices, and instrumentation equipment. Compliance and Standards The component is manufactured in accordance with relevant industry standards for quality and environmental compliance. It is suitable for use in systems requiring adherence to common regulatory and safety guidelines. #commonpartslibrary #inductor #fixed
1 Uses0 StarsTPS259530DSGR
Electronic Fuse Regulator 4A 8-WSON (2x2) The TPS259530DSGR is a compact, integrated eFuse protection device designed to provide robust power-path management for low-voltage DC systems, particularly nominal five-volt rails. It combines multiple protection and control features into a single solution, enabling safe distribution of power to downstream circuitry while minimizing the need for external components. The device supports controlled inrush current during startup, continuous current monitoring, and rapid fault response to protect both the power source and the load. Integrated protection mechanisms include overvoltage protection, undervoltage lockout, overcurrent limiting, thermal shutdown, and reverse current blocking. This makes the device well suited for applications requiring high reliability, such as embedded systems, industrial electronics, consumer devices, and communication equipment. Functional Description The device operates as a high-side protection switch using an internal MOSFET to control current flow from the input supply to the load. It monitors input voltage, output current, and internal temperature to ensure operation within safe limits. When a fault condition such as overcurrent or overvoltage is detected, the device limits or interrupts current flow to prevent damage. The integrated control loop provides smooth startup by limiting inrush current and preventing supply droop. Reverse current blocking prevents unwanted current flow from the output back to the input when the input supply is removed or drops below the output level. Electrical Characteristics The device supports operation across a wide input voltage range suitable for low-voltage DC systems, including typical five-volt rails. It features an adjustable overvoltage protection threshold aligned with five-volt system requirements, along with configurable undervoltage lockout to ensure proper system startup and shutdown behavior. The current limit is externally programmable, allowing flexibility for different load conditions. The device exhibits low on-resistance to minimize power dissipation and voltage drop during normal operation. Protection Features The TPS259530DSGR integrates multiple protection functions to enhance system robustness. Overvoltage protection prevents excessive input voltage from reaching the load. Undervoltage lockout ensures the device only operates when the input supply is within a valid range. Overcurrent protection actively limits current during fault conditions and can respond rapidly to short circuits. Thermal shutdown protects the device from overheating by disabling operation when internal temperature exceeds safe limits. Reverse current blocking prevents backflow of current, safeguarding both the source and load. Control and Interface The device includes an enable control input that allows external control of the power path. It supports configurable behavior for fault response and recovery, depending on system design. External components can be used to set thresholds such as current limit and undervoltage lockout, providing design flexibility. Status signaling allows system-level monitoring of fault conditions. Mechanical and Package Information The TPS259530DSGR is provided in a compact surface-mount package suitable for space-constrained applications. The package is optimized for thermal performance and efficient PCB layout, enabling reliable operation under varying load conditions. It is supplied in tape-and-reel format for automated assembly processes. Applications This device is intended for use in systems requiring reliable power distribution and protection. Typical applications include five-volt power rails in embedded systems, industrial control modules, consumer electronics, communication devices, and peripheral power management circuits. Summary The TPS259530DSGR offers an integrated, high-reliability solution for power path protection and management in low-voltage systems. Its combination of protection features, configurability, and compact form factor makes it a widely used choice for safeguarding five-volt supply rails in modern electronic designs. #commonpartslibrary #integratedcircuit #powermanagement
1.0k Uses0 StarsIHDM1008BCEV4R7M30
4.7 µH Unshielded Drum Core, Wirewound Inductor 62 A 0.95mOhm Max Vertical, 2 PC Pin The IHDM1008BCEV4R7M30 is a surface-mount power inductor designed for energy storage and filtering in switching power supplies and DC-DC converter circuits. It provides stable inductance characteristics under varying current conditions, making it suitable for applications requiring efficient power conversion and noise suppression. The device is constructed using a magnetically shielded structure to minimize electromagnetic interference and ensure reliable operation in densely populated circuit environments. Its design supports high current handling capability while maintaining low core losses, contributing to overall system efficiency. Functional Overview The inductor stores energy in its magnetic field when current flows through it and releases that energy when the current changes. This behavior is essential for smoothing current in switching regulators and maintaining stable voltage levels in power circuits. Its low resistance winding helps reduce power loss, while the magnetic shielding limits flux leakage, improving performance in sensitive electronic systems. The component is optimized for high-frequency operation typically found in modern power management designs. Electrical Characteristics The device provides a fixed inductance value with stable performance across a range of operating currents. It supports relatively high saturation current levels, allowing it to function effectively in power circuits without significant degradation of inductance. Low direct current resistance contributes to improved efficiency and reduced heat generation. The inductor is designed to maintain consistent electrical behavior across typical operating temperatures and frequencies used in switching applications. Interface Requirements The component features standard surface-mount terminals for direct placement onto printed circuit boards. Proper soldering and pad design are required to ensure mechanical stability and optimal electrical performance. Placement considerations should include minimizing loop area and proximity to switching elements to reduce noise and maximize efficiency. Operating Conditions The inductor is intended for operation across a wide temperature range suitable for consumer and industrial electronics. It is capable of maintaining performance under continuous load conditions and varying thermal environments. Adequate thermal management and airflow may be necessary in high-current applications to prevent excessive temperature rise. Protection and Reliability Features The device is constructed with durable materials to ensure long-term reliability under electrical and thermal stress. Its magnetically shielded design reduces susceptibility to external interference and limits emissions that could affect nearby components. It is designed to withstand standard handling and soldering processes associated with surface-mount assembly. Packaging and Integration The IHDM1008BCEV4R7M30 is provided in a compact surface-mount package optimized for automated assembly processes. Its form factor allows efficient use of board space while supporting high-performance power designs. The package design ensures secure mounting and consistent electrical contact in high-density circuit layouts. Applications Typical applications include DC-DC converters, voltage regulator modules, power management circuits, filtering stages, and energy storage elements in portable devices, industrial equipment, and communication systems. #commonpartslibrary #inductors
0 Uses0 StarsRTQ2105GQWT-QA
Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 3A 24-WFQFN Exposed Pad General Description: The RTQ2105GQWT-QA is an electronic component designed for integration into compact and efficiency-focused circuit applications. It is engineered to deliver stable performance under varying operating conditions, making it suitable for use in consumer electronics, embedded systems, and power management solutions. The device emphasizes reliability, low power consumption, and consistent signal or power regulation, depending on its intended application within a system. Its form factor supports space-constrained designs while maintaining thermal and electrical stability. Functional Overview: The component provides controlled operation within a defined electrical range, ensuring dependable interaction with surrounding circuitry. It is optimized for seamless compatibility with standard board layouts and commonly used electronic assemblies. The design supports continuous operation with minimal performance drift and is built to handle typical environmental and electrical stresses encountered in modern devices. Electrical Characteristics: The device operates within a specified voltage and current range appropriate for low-power or signal-level applications. It maintains stable output behavior across its operating conditions and includes internal features that support protection, regulation, or signal integrity as required by its functional role. Mechanical Characteristics: The component is housed in a compact package suitable for surface-mount technology. Its physical structure is designed to facilitate automated assembly and secure placement on printed circuit boards. The package ensures adequate heat dissipation and mechanical durability during normal operation. Environmental Considerations: The RTQ2105GQWT-QA is designed to function reliably across a standard range of environmental conditions, including variations in temperature and humidity. It complies with common industry expectations for durability and long-term use in electronic systems. Application Guidelines: This component is intended for use in systems requiring efficient, stable, and compact electronic solutions. Proper circuit design practices should be followed to ensure optimal performance, including appropriate layout, grounding, and thermal management considerations. Compliance and Standards: The device is manufactured in accordance with relevant industry standards for electronic components, supporting quality, safety, and environmental requirements. #commonpartslibrary #integratedcircuit #powermanagement
0 Uses0 Stars