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.
TPS259530DSGR
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
1.1k 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 StarsLP2985IM5-2.7
Linear Voltage Regulator IC Positive Fixed 1 Output 150mA SOT-23-5 LP2985IM5-2.7 is a low-dropout (LDO) linear voltage regulator designed to provide a stable 2.7 V output with very low quiescent current and excellent noise performance. It is optimized for battery-powered and noise-sensitive applications, offering high power supply rejection ratio (PSRR) and fast transient response. The device is housed in a compact SOT-23-5 package, making it ideal for space-constrained designs. Key Features Fixed 2.7 V output voltage Low dropout voltage Low quiescent current (IQ) High PSRR for noise-sensitive applications Stable with low ESR ceramic capacitors Thermal shutdown and current limit protection Small SOT-23-5 package RoHS compliant Electrical Characteristics Output Voltage: 2.7 V (fixed) Output Voltage Accuracy: ±1.5% (typical) Maximum Output Current: 150 mA Dropout Voltage: ~280 mV at 150 mA (typical) Quiescent Current (IQ): ~65 µA (typical) Line Regulation: 0.04%/V (typical) Load Regulation: 0.2% (typical) PSRR: Up to 70 dB (at low frequency) Operating Input Voltage Range: 2.5 V to 16 V Operating Temperature Range: -40°C to +125°C Mechanical Characteristics Package Type: SOT-23-5 (DBV) Mounting Type: Surface Mount Pin Count: 5 pins Approximate Dimensions: 2.9 mm × 1.6 mm Pin Configuration (Typical) IN: Input voltage GND: Ground OUT: Regulated output (2.7 V) EN: Enable (active high) BYPASS: Noise reduction / bypass capacitor connection Performance Characteristics Excellent output noise performance (low-noise design) Fast transient response to load changes Stable with small ceramic capacitors (typically 1 µF) Suitable for RF and analog circuits Applications Battery-powered devices Portable electronics RF and wireless modules Sensors and analog circuits Microcontroller power supplies #CommonPartsLibrary #IntegratedCircuit #PowerManagement #voltage-regulator #LDO #LP3985
2 Uses0 StarsLMZ22010TZ/NOPB
Non-Isolated PoL Module DC DC Converter 1 Output 0.8 ~ 6V 10A 6V - 20V Input The LMZ22010TZ/NOPB is a compact, high-efficiency step-down (buck) DC-DC power module from Texas Instruments. It integrates a switching regulator, power MOSFETs, inductor, and compensation components into a single package, simplifying power supply design. This module is capable of delivering up to 10A output current with excellent thermal performance and minimal external components. It is intended for high power density applications such as industrial systems, telecommunications equipment, and embedded processing platforms. Manufacturer Information Manufacturer: Texas Instruments Part Number: LMZ22010TZ/NOPB Product Type: DC-DC Buck Power Module Key Features Integrated power module with inductor and controller Output current up to 10A Wide input voltage range High efficiency operation Adjustable output voltage Built-in protection features (thermal shutdown, overcurrent protection) Power-good output and enable control Requires minimal external components Electrical Characteristics Parameter Value Input Voltage Range 6 V to 20 V Output Voltage Range 0.8 V to 6 V (adjustable) Output Current Up to 10 A Switching Frequency ~500 kHz Efficiency Up to ~95% Operating Temperature Range -40°C to +125°C Package Information Package Type: TO-PMOD (Power Module) Mounting Type: Surface Mount Integrated inductor and power components Optimized for thermal performance Pin Configuration (Typical) Pin Name Description VIN Input supply voltage VOUT Regulated output voltage GND Ground EN Enable input FB Feedback for output adjustment PGOOD Power-good indicator Typical Applications Industrial automation systems Telecom and networking equipment FPGA / DSP / processor power rails Embedded systems Point-of-load regulation Design Considerations Ensure proper PCB layout for heat dissipation Use appropriate input/output capacitors External resistors required to set output voltage Consider airflow for high-current operation #commonpartslibrary #powersupply #dcdc #converter
19 Uses0 StarsTPS543021DRLR
Buck Switching Regulator IC Positive, Isolation Capable Adjustable 0.596V 1 Output 3A SOT-563, SOT-666 The TPS543021DRLR is a compact, integrated power regulator that converts a wide input voltage (typically from batteries or power rails) into a regulated lower output voltage with high efficiency. It includes internal power switches and control circuitry, simplifying power supply design and reducing external component count. Key Features Topology: Synchronous buck converter Input Voltage Range: ~4.5 V to 28 V Output Voltage: Adjustable (via external resistors) Output Current: Up to 3 A continuous Switching Frequency: ~500 kHz (fixed) Efficiency: High efficiency (up to ~90%+) Quiescent Current: Low, suitable for power-sensitive designs Protection Features: Overcurrent protection (OCP) Thermal shutdown Undervoltage lockout (UVLO) Package & Physical Info Package Type: SOT-563 / VSON (compact, no-lead package) Mounting: Surface Mount (SMT) Packaging: Tape & reel (DRLR suffix) #CommonPartsLibrary #IntegratedCircuit #PowerManagement #Voltage-regulator #Switching-regulator
36 Uses0 StarsRK860-2
Buck Switching Regulator IC 0.5V~1.5V 1 Output 7A WLCSP-20 The RK860-2 is a low-dropout (LDO) linear voltage regulator IC designed to provide a stable, low-noise output voltage from a higher input supply. It is commonly used in small electronic modules, microcontroller power rails, and low-power analog/digital circuits where clean voltage regulation is important. Type: Low Dropout Linear Regulator (LDO) Input voltage: Typically up to ~6V (varies by variant) Output voltage: Fixed or adjustable (depends on suffix version) Dropout voltage: Low (suitable for battery-powered systems) Output current: ~300 mA to 600 mA class (package dependent) #CommonPartsLibrary #IntegratedCircuit #PowerManagement #RK860
7 Uses0 StarsXL4016
8A 180KHz 40V Buck DC to DC Converter The XL4016 is a high-efficiency DC-DC step-down (buck) switching regulator IC designed for applications that require high current output and simple external component design. It is commonly used in power supplies, LED drivers, battery chargers, and automotive/industrial DC conversion systems. Type: Step-down (buck) DC-DC converter Input voltage range: ~8 V to 40 V Output current: up to 8 A (practically ~5–6 A continuous with good cooling) Output voltage: adjustable via external resistors Switching frequency: ~180 kHz Built-in high-current power MOSFET switch Current-mode PWM control Cycle-by-cycle current limiting Thermal shutdown protection Short-circuit protection PackageTypically available in TO-220-5L package (with heat sink tab) Designed for external diode, inductor, and capacitor components Typical Applications DC power supply modules LED constant-current drivers Battery charging circuits Automotive 12V/24V step-down systems DIY adjustable bench power supplies #CommonPartsLibrary #IntegratedCircuit #PowerManagement
30 Uses0 Stars
