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The embedded control heart of billions of devices worldwide.

Microcontrollers

Microcontrollers (MCUs) are single-chip computers integrating CPU core, memory (Flash + SRAM), and peripherals (ADC, timers, UART, SPI, I²C) into compact packages for embedded control applications. With 112,000+ MCU part numbers indexed, Octatronics covers Arm Cortex-M, RISC-V, 8051, PIC, AVR, RX, RL78, and proprietary architectures from every major MCU vendor STMicroelectronics (STM32), Microchip (PIC/AVR/SAM), TI (MSP430/C2000), NXP (LPC/Kinetis/i.MX RT), Infineon (XMC/PSoC/AURIX), and Renesas (RA/RX/RH850).

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112,114+Products
8+Manufacturers
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Product Series & Base Models

4,562 model families directly associated with Microcontrollers. Browse the full catalog with search and filters.

Browse all 4,562
4,562 Base ModelsDiodes IncorporatedTDKTexas InstrumentsInfineon TechnologiesTE ConnectivityMicrochip Technology
Browse All Base Models

Browse Microcontrollers Products

Showing 1–10 of 112,114 products
PART NUMBERMANUFACTURERDESCRIPTIONSTOCKQTY / ACTION
TPS71921-22DRVTTexas Instruments200mA Dual LDO 2.1V/2.2V 2.7-6.5V 90uA 6-WSON25,000
SN74LVT16501DGGRTexas Instruments3.3-V ABT 18-Bit Universal Bus Transceivers With 3-State Outputs 56-TSSOP -40 to 85200,000
TPS2212IDBTexas Instruments13.5V 250mA Parallel Interface Power Switch IC SSOP8,000
TPS563257DRLRTexas InstrumentsIC REG BUCK ADJ 3A SOT563 [SOT-563 | Active | RoHS Compliant].12,660
RS8411BXFRunic TechnologyIC CMOS 1 CIRCUIT SOT23-5 [SOT-23-5 | Active | RoHS Compliant].5,550
SMD0805B035TFYageoPTC Resettable Fuse [0805 | Active | RoHS Compliant].16,281
A6211GLJTR-TAllegro MicroSystemsLED Driver, 48V, 3A, PWM, SOIC, SMT [Active | RoHS Compliant].15,301
SMD1206B075TFTYageoPPTC SMD 1206, 8V 0.75A, REEL 7" [Active | RoHS Compliant].14,080

Top Microcontrollers Manufacturers

Texas Instruments

Texas Instruments is a global semiconductor leader specializing in analog and embedded processing technologies. With over 80,000 products spanning power management ICs, operational amplifiers, data converters, microcontrollers, and signal chain solutions, TI serves industrial, automotive, personal electronics, communications, and enterprise computing markets. Engineers worldwide rely on TI for high-efficiency power conversion, precision signal conditioning, and robust embedded control in mission-critical applications.

84,045 products

Analog Devices

Analog Devices (ADI) is a premier semiconductor company delivering high-performance analog, mixed-signal, and digital signal processing solutions. ADI's portfolio includes precision amplifiers, RF transceivers, high-resolution data converters, MEMS sensors, and power management ICs that enable breakthroughs in 5G infrastructure, autonomous vehicles, industrial IoT, healthcare imaging, and aerospace instrumentation.

82,970 products

STMicroelectronics

STMicroelectronics is a leading global semiconductor manufacturer serving automotive, industrial, IoT, and consumer electronics markets. ST's product range includes the industry-standard STM32 ARM Cortex-M microcontroller family, SiC and GaN power devices for high-efficiency energy conversion, MEMS sensors for motion and environmental sensing, and a comprehensive portfolio of analog ICs, discretes, and memory components.

19,050 products

onsemi

onsemi (formerly ON Semiconductor) is a Fortune 500 intelligent power and sensing technology leader driving disruptive innovation in automotive electrification, advanced driver-assistance systems (ADAS), and industrial automation. onsemi's portfolio includes silicon carbide (SiC) power modules, image sensors for autonomous vehicles, intelligent power modules (IPMs), and analog/mixed-signal ICs that optimize energy efficiency across the entire power path.

28,226 products

Vishay

Vishay manufactures one of the world's broadest portfolios of discrete semiconductors and passive electronic components. From precision resistors and power inductors to MOSFETs, diodes, and optoelectronics, Vishay components serve as fundamental building blocks in automotive, industrial, telecom, military, and medical electronic systems.

9,347 products

Nexperia

Nexperia is a high-volume semiconductor manufacturer focused exclusively on discrete components, logic ICs, and analog/MOSFET devices. Shipping over 100 billion units annually, Nexperia produces the industry's broadest portfolio of diodes, bipolar transistors, ESD protection devices, MOSFETs, GaN FETs, and standard logic gates — all optimized for automotive, mobile, industrial, and computing applications demanding extreme reliability and consistent quality.

3,317 products

Renesas

Renesas Electronics is the world's premier supplier of automotive microcontrollers and a leading provider of analog, power, and embedded processing solutions for automotive, industrial IoT, infrastructure, and smart-home applications. Renesas' product lineup includes the RH850 and R-Car automotive platforms, RA and RX Arm-based MCUs, Synergy development ecosystems, and the Dialog and Intersil analog/power portfolio.

74,605 products

Fairchild Semiconductor

Fairchild Semiconductor, now part of onsemi, was a pioneering semiconductor company whose legacy spans over six decades of innovation in power management, discrete transistors, and analog ICs. Fairchild's product families — including SuperFET and SupreMOS power MOSFETs, FSBB and FAN-series motor drivers, and the iconic μA741 op-amp — remain in active production under the onsemi brand and continue to serve industrial, automotive, and consumer power electronics designs worldwide.

11 products

About Microcontrollers

Microcontrollers are the most widely used class of processors in the world, with tens of billions shipped annually into automotive ECUs, industrial PLCs, consumer appliances, medical devices, IoT sensor nodes, and smart-home controllers. MCU selection requires balancing core performance (8/16/32-bit, clock speed, DSP/FPU capability), memory capacity, peripheral integration, power consumption, package size, and ecosystem maturity (IDE, HAL, RTOS support).

Key MCU families on Octatronics include: STM32 (the industry-standard Arm Cortex-M platform), PIC and AVR (Microchip's 8/16/32-bit legacy), MSP430 (TI ultra-low-power), ESP32 (Espressif Wi-Fi/BLE), nRF52/nRF53 (Nordic BLE), RA (Renesas Arm with TrustZone), and PSoC (Infineon programmable analog+digital). Each family page provides parametric filtering by core, memory, peripherals, package, and temperature grade.

Use Octatronics to compare MCUs across vendors, identify pin-compatible alternatives when facing allocation constraints, and submit RFQs for both engineering samples and production volumes with competitive pricing.

Related Applications

Discover industry applications that commonly use Microcontrollers components.

A

Automotive Electronics

Application components for ADAS, EV powertrain, batteries, body and chassis control, and vehicle networks.

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I

Industrial Automation

Components for PLC and remote I/O, motor drives, instrumentation, industrial networks, vision, and HMI.

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I

IoT & Smart Home

Wireless, sensing, control, and power components for connected homes and edge devices.

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C

Consumer & Personal Electronics

Power, signal, audio, and connectivity components for personal devices and consumer products.

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A

Aerospace & Defense

Avionics, mission, sensing, RF, and power components for airborne, space, and defense systems.

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P

PLC & Industrial Controllers

Processors, I/O, isolation, and network interfaces for PLC and remote-I/O designs.

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I

Industrial Robots

Power, feedback, control, and communication components for industrial robot axes.

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C

Collaborative Robots

Joint sensing, servo, control, and safety-path components for collaborative robots.

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C

CNC & Precision Machining

Controller, feedback, network, and drive components for CNC axes and spindles.

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H

HMI & Industrial Displays

Display links, touch controllers, panel processors, and power components for industrial HMIs.

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R

Robotics & Motion Control

Motion controllers, servo and stepper drives, feedback, and network components for machine axes.

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I

Infotainment & Cluster

Processor, power, display-link, and audio components for digital cockpits.

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T

Telematics & Connected Vehicle

Cellular, GNSS, gateway, and power components for connected-vehicle modules.

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C

Chassis Control & Safety

Control, sensing, and power components for electronic braking, steering, and suspension.

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S

Smart Lighting

LED-driver, dimming, sensing, and communication components for connected luminaires.

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C

Commercial & Industrial Lighting

Mains conversion, LED regulation, protection, and control components for commercial and industrial luminaires.

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A

Automotive Lighting

LED power, matrix control, sensing, and protection components for vehicle lighting.

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S

Smart Home & Building

Connectivity, environmental sensing, and load-control devices for smart homes and buildings.

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H

Home Security

Low-power sensing, wireless, and control components for connected security devices.

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I

Industrial IoT (IIoT)

Gateway, sensor-interface, isolation, and power components for industrial IoT systems.

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A

Asset Tracking & RFID

RFID, reader, tag, and wireless-location components for connected asset tracking.

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W

Wearable Electronics

Low-power sensing, wireless, and battery components for wearable electronics.

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S

Smartphones & Tablets

PMIC, battery charging, display, and high-speed interface components for phones and tablets.

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A

Audio & Wearables

Audio capture, playback, wireless, and battery components for earbuds, headsets, and wearable audio devices.

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G

Gaming & Entertainment

Graphics power, display-link, protection, and wireless components for gaming and entertainment systems.

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S

Smart Appliances

Motor-control, sensing, power, and connected-controller components for smart appliances.

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D

Drones & UAVs

Propulsion, flight-control, sensing, power, and radio components for unmanned aircraft.

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M

Machine Vision & Inspection

Image sensors, camera links, lighting drivers, and processing components for inspection systems.

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V

Vehicle Networking

Transceiver, PHY, gateway, and protection components for in-vehicle networks.

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M

Medical & Healthcare

Precision analog, isolation, and long-lifecycle parts for imaging and patient systems.

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I

Industrial Sensors & Transducers

Signal-conditioning, conversion, isolation, and interface ICs for industrial transmitters.

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M

Motor Drives & VFDs

Power switches, isolated gate drivers, sensing, and control ICs for industrial VFDs.

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I

Industrial Networking

Ethernet PHYs, protocol processors, fieldbus transceivers, and isolation for factory networks.

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A

ADAS & Autonomous Driving

Sensing, processing, power, and data-link components for ADAS electronics.

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B

Battery Management Systems

Cell measurement, balancing, isolation, and protection components for battery-management systems.

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M

Medical Imaging

Acquisition and power devices for medical imaging systems.

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E

Energy Storage

Power-conversion and protection components for battery energy-storage systems.

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E

EV & Powertrain

Components for traction inverters, onboard chargers, and high-voltage DC-DC conversion.

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B

Body Electronics & Lighting

BCM, lighting, switched-load, and CAN/LIN components for vehicle body electronics.

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L

LED & Lighting

Power-conversion, constant-current, dimming, and protection components for LED lighting.

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S

Signal Generators & Counters

Frequency-reference, waveform-generation, and input-timing components for signal sources and counters.

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S

Solar Inverters

Power-stage, sensing, and isolation components for photovoltaic inverters.

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Frequently Asked Questions

Octatronics can help source a wide range of Microcontrollers from major manufacturers worldwide, including active production parts, long-lead-time items, and hard-to-find components.

Yes. You can submit a single part number or upload a BOM with multiple parts. Our team will check stock, date code, lead time, and pricing for each item.

Availability depends on the specific part number and supplier source. For important orders, buyers can request packaging photos, labels, date code information, and traceability documents.

Yes. Octatronics supports sourcing for active, end-of-life, obsolete, and hard-to-find components through our global supplier network.

Please provide the part number, manufacturer, quantity, required date code, target price, delivery country, and whether original packaging or COC is required.