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.
TPS562201DDCT
Buck Switching Regulator IC Positive Adjustable 0.768V 1 Output 2A SOT-23-6 Thin, TSOT-23-6 TPS562201DDCT is a synchronous step-down DC-DC buck converter from Texas Instruments designed for compact and high-efficiency power management applications. The device integrates high-side and low-side MOSFETs to provide efficient voltage conversion with reduced external component requirements, making it suitable for embedded systems, consumer electronics, industrial control modules, and battery-powered devices. This regulator supports wide input voltage operation and delivers stable output regulation with fast transient response and low standby current. Its fixed-frequency switching architecture helps simplify EMI filtering and power supply design while maintaining high conversion efficiency across varying load conditions. The integrated protection features include thermal shutdown, overcurrent protection, undervoltage lockout, and soft-start functionality to enhance overall system reliability. The TPS562201DDCT is packaged in a compact surface-mount form factor optimized for space-constrained PCB layouts and supports the use of ceramic capacitors for low-noise and stable operation. It is widely used in distributed power systems, IoT hardware, communication equipment, and portable embedded electronics requiring reliable low-voltage power rails. #commonpartslibrary #powermanagement #buckconverter #dcdcconverter #texasinstruments #powersupply #embeddedhardware #lowpowerdesign #industrialelectronics #portableelectronics
58 Uses0 StarsTPS62133RGTT
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
60 Uses0 StarsTPS7A2033PDBVR
Linear Voltage Regulator IC Positive Fixed 1 Output 300mA SOT-23-5 The TPS7A20 is an ultra-small, low-dropout (LDO) linear regulator that can source 300mA of output current. The TPS7A20 is designed to provide low noise, high PSRR, and excellent load and line transient performance that can meet the requirements of RF and other sensitive analog circuits. Using innovative design techniques, the TPS7A20 offers an ultra-low noise performance without the addition of a noise bypass capacitor. The TPS7A20 also provides the advantage of low quiescent current, which can be ideal for battery-powered applications. With an input voltage range of 1.6V to 6.0V and an output range of 0.8V to 5.5V, the TPS7A20 can be used for a wide variety of applications. The device uses a precision reference circuit to provide a maximum accuracy of 1.5% over load, line, and temperature variations. The TPS7A20 features an internal soft-start to lower the inrush current, thus minimizing the input voltage drop during start up. The device is stable with small ceramic capacitors, allowing for a small overall solution size. The TPS7A20 has a smart enable input circuit with an internally controlled pulldown resistor that keeps the LDO disabled even when the EN pin is left floating and helps eliminate the external components used to pulldown the EN pin • Low output voltage noise: 7μVRMS – No noise-bypass capacitor required • High PSRR: 95dB at 1kHz • Very low IQ: 6.5μA • Input voltage range: 1.6V to 6.0V • Output voltage range: 0.8V to 5.5V • Output voltage tolerance: ±1.5% (max) • Very low dropout: – 140mV (max) at 300mA (VOUT = 3.3V) – 145mV (max) at 300mA (VOUT = 3.3V, DBV) • Low inrush current • Smart enable pulldown • Stable with 1µF minimum ceramic output capacitor • Packages: – 1mm × 1mm X2SON (DQN) – 0.616mm × 0.616mm DSBGA (YCK) – 0.612mm × 0.612mm DSBGA (YCJ) – 2.9mm × 2.8mm SOT23-5 (DBV) #CommonPartsLibrary #IntegratedCircuit #PowerManagement #LDO
436 Uses0 StarsTLV70033DDCT
200mA, high PSRR, low IQ, low dropout voltage regulator with enable function The Texas Instruments TLV700 is a series of 200-mA low-dropout (LDO) linear voltage regulators designed for portable and battery-powered devices. It features very low quiescent current (IQ), low dropout voltage, and high power-supply rejection ratio (PSRR), making it suitable for applications requiring efficient and stable voltage regulation with minimal power loss. The device is optimized for handheld electronics, wireless modules, IoT systems, and other low-power embedded applications. Key Features 200-mA output current capability Very low dropout voltage: 43 mV at 50 mA load 85 mV at 100 mA load 175 mV at 200 mA load Low quiescent current: typically 31 µA High PSRR: 68 dB at 1 kHz Output voltage accuracy of ±2% Fixed output voltage options from 1.2 V to 4.8 V Stable with small 0.1-µF output capacitors Integrated thermal shutdown and overcurrent protection Available in compact SON-6, SOT-23-5, and SC-70 packages Suitable for battery-operated and portable electronics Typical Applications Smartphones and handheld devices Bluetooth and ZigBee modules IoT and wearable devices WLAN modules and add-on cards Battery-powered embedded systems Portable consumer electronics #CommonPartsLibrary #IntegratedCircuit #PowerManagement #LDO
495 Uses0 StarsMAX77961BEFV12+
- Voltage Regulator IC 1 Output 30-FC2QFN (4x4) The MAX77960B/MAX77961B are high-performance wide-input 3A (MAX77960B)/6A (MAX77961B) buckboost chargers with Smart Power Selector™ and operate as a reverse buck converter without an additional inductor, allowing the ICs to power USB on-the-go (OTG) accessories. The devices integrate low-loss power switches and provide high efficiency, low heat, and fast battery charging in a small solution size. The reverse buck has true load disconnect and is protected by an adjustable output current limit. The devices are highly flexible and programmable through I2C configuration or autonomously through resistor configuration. The battery charger includes the Smart Power Selector to accommodate a wide range of battery sizes and system loads. The Smart Power Selector allows the system to start up smoothly when an input source is available even when the battery is deeply discharged (dead battery) or missing. For battery safety/authentication reasons, the ICs can be configured to keep charging disabled, and allow the DC-DC to switch and regulate the SYS voltage. The system processor can later enable charging using I2C commands as appropriate. Alternatively, the ICs can be configured to automatically start charging. #CommonPartsLibrary #IntegratedCircuit #PowerManagement #MAX77961
0 Uses0 StarsTPS6593C3A0RWERQ1
Power Management Specialized - PMIC Automotive 2.8-V to 5.5-V PMIC The TPS6593C3A0RWERQ1 is an automotive-grade power management integrated circuit (PMIC) designed by Texas Instruments for advanced processor and system-on-chip power architectures. The device integrates multiple high-efficiency DC/DC buck converters, low-dropout regulators, power sequencing, safety monitoring, and diagnostic functions into a single compact package. It is optimized for use in automotive ADAS, digital cockpit, gateway, radar, vision, and domain controller applications requiring functional safety compliance and high power density. The device supports complex multi-rail power management for high-performance processors and includes configurable startup and shutdown sequencing, voltage monitoring, watchdog functionality, error signaling, and fault protection mechanisms. Integrated communication interfaces enable configuration and monitoring by an external host processor. The PMIC is qualified for automotive applications and supports operation across extended temperature ranges suitable for harsh automotive environments. Key Features Automotive AEC-Q100 qualified power management IC for processor power systems Integrated multi-phase step-down buck converters for high-current rails Integrated low-dropout linear regulators for analog and auxiliary rails Programmable power sequencing and rail management Functional safety support suitable for ASIL-oriented system architectures Integrated watchdog timer and safety monitoring functions Voltage supervision and fault detection for all major rails I2C and SPI communication interface support Power-good outputs and interrupt signaling Thermal shutdown and overtemperature protection Overcurrent and short-circuit protection Undervoltage and overvoltage monitoring Configurable GPIO functionality Low-power standby and sleep mode support Optimized for automotive SoCs and processors High-efficiency switching regulator architecture Compact VQFN package with thermal enhancement Electrical Characteristics Input supply voltage range supports automotive battery-powered systems Multiple programmable buck converter output voltages Integrated LDO outputs for precision analog and digital domains High switching frequency operation for reduced external component size Wide operating junction temperature range suitable for automotive environments Low shutdown current for standby operation High-current capability for processor core supplies Accurate voltage regulation and monitoring Protection and Safety Features Thermal shutdown protection Buck converter cycle-by-cycle current limiting Short-circuit protection on power rails Undervoltage lockout protection Power sequencing fault management Watchdog monitoring for processor supervision Diagnostic interrupt and fault reporting capability Safe-state transition support during fault conditions Package Information Package type: VQFN Package option: RWE Automotive-grade Q1 qualified device RoHS compliant Surface-mount package optimized for thermal performance Typical Applications Automotive domain controllers ADAS processing modules Digital cockpit systems Automotive gateway and networking platforms Radar and vision systems Processor and FPGA power management Industrial high-performance embedded systems #commonpartslibrary #integratedcircuit #powermanagement
1 Uses0 StarsINA229AIDGST
Current Monitor Regulator High-Side 10mA 10-VSSOP The INA229AIDGST is a high-precision digital power monitor designed for accurate measurement of shunt voltage, bus voltage, current, power, energy, and charge in low- and high-side sensing applications. The device integrates a low-offset delta-sigma analog-to-digital converter with programmable calibration and alert functionality, enabling precise system-level power monitoring in industrial, automotive, telecommunications, server, and battery-powered applications. The device communicates through a high-speed I²C- and SMBus-compatible serial interface and supports wide common-mode voltage operation for flexible integration into multi-rail power systems. Internal computation engines provide direct digital reporting of current, power, accumulated energy, and charge values, minimizing host processor overhead. The INA229AIDGST includes programmable conversion timing, averaging modes, alert outputs, and diagnostic monitoring features to support advanced power management and protection architectures. Its low input offset and high measurement accuracy make it suitable for precision instrumentation, energy metering, and power optimization systems. Key Features High-accuracy current, voltage, power, energy, and charge monitoring Supports both high-side and low-side current sensing architectures Wide common-mode input voltage range Integrated precision delta-sigma ADC architecture Direct digital calculation of power, energy, and accumulated charge Programmable calibration and averaging configuration I²C- and SMBus-compatible communication interface Configurable alert and fault monitoring output Low offset voltage and low gain error for precision measurements Programmable conversion time and operating modes Integrated temperature measurement support Suitable for industrial, enterprise, automotive, and battery-powered systems Electrical Characteristics Precision shunt voltage measurement capability High-resolution bus voltage monitoring Integrated current and power computation engine Low quiescent current operation Wide supply voltage operating range High common-mode transient immunity Low measurement drift over temperature Interface and Control I²C-compatible serial interface SMBus compatible operation Programmable device addressing Configurable alert pin functionality Internal register-based configuration and diagnostics Package Information Package Type: VSSOP Package Variant: DSG Surface-mount package configuration Thermally optimized compact footprint suitable for dense PCB layouts Typical Applications Power supply monitoring Battery management systems Industrial automation equipment Telecom infrastructure Server and data center power management Embedded system power analytics Energy monitoring and metering DC motor and actuator monitoring #commonpartslibrary #integratedcircuit #powermanagement #powersupplycontroller
1 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
317 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
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