STMicroelectronics STM32F030K6T6 Low-Power 32-bit MCU Overview
The STMicroelectronics STM32F030K6T6 is a versatile, energy-efficient 32-bit microcontroller (MCU) built on the Arm Cortex-M0+ core-engineered for B2B applications demanding balanced performance, low power use, and industrial-grade reliability. Targeted at Internet of Things (IoT) edge devices, Industrial Automation (sensor hubs, low-power controllers), and Home Appliances (smart thermostats, small appliances), it integrates essential peripherals (UART, SPI, I2C, 12-bit ADC) to reduce external component count and simplify design cycles. With 32KB of Flash memory (for firmware storage) and 4KB of SRAM (for real-time data buffering), it handles embedded tasks like sensor data acquisition, low-speed serial communication, and basic control logic. Equipped with optimized ultra-low-power modes (down to 0.5??A in stop mode) and a robust LQFP32 (32-pin Low Profile Quad Flat Package) surface-mount package, it operates reliably across -40??C to +85??C-making it ideal for engineers prioritizing cost-effectiveness, assembly ease, and durability in harsh or portable environments.
As a foundational model in STMicroelectronics?? STM32F0 series-a line trusted by 100,000+ developers in IoT, industrial, and consumer sectors-it meets strict quality benchmarks: RoHS 2 compliance, ISO 9001 certification, IEC 61000-6-2 industrial EMC compliance, and 2,500+ hours of reliability testing (including temperature cycling, voltage stress, and humidity exposure). Senior engineers at a leading IoT sensor firm endorse it, noting: ??The STM32F030K6T6 powers our wireless humidity sensors-0.5??A stop mode extends battery life to 14 months, while the LQFP32 package simplifies our mass production.?? For more low-power 32-bit MCUs and industrial-grade embedded solutions, visit IC Manufacturer.
🔥 Best-Selling Products

Texas Instruments BQ24075 Linear Battery Charger IC – 5mm x 4mm QFN Package

Texas Instruments INA219 Current Sensor Module – SOIC Package, Precision Monitoring

Texas Instruments LM4041 Precision Voltage Reference – SOT-23 Package

Texas Instruments OPA2134 Audio Op Amp – Dual, High-Performance, SOIC-8 Package
Technical Parameters of STMicroelectronics STM32F030K6T6
| Parameter | Specification |
|---|---|
| Function | Low-power 32-bit microcontroller (MCU) with Arm Cortex-M0+ core |
| Core | Arm Cortex-M0+, up to 48MHz clock frequency |
| Memory | 32KB Flash memory (firmware storage), 4KB SRAM (data processing), 128B EEPROM (parameter storage) |
| Peripherals | 2x UART (serial communication), 1x SPI (synchronous data transfer), 1x I2C (inter-device communication), 1x 12-bit ADC (6 channels, up to 1MSPS), 2x 16-bit timers, 20x GPIO pins |
| Power Consumption | 120??A/MHz (active mode, typical); 0.5??A (stop mode, typical); 0.1??A (standby mode, typical) |
| Package Type | LQFP32 (32-pin Low Profile Quad Flat Package), 7.0mm x 7.0mm x 1.4mm dimensions |
| Operating Temperature Range | -40??C to +85??C (industrial grade) |
| Supply Voltage Range | 2.0V to 3.6V |
| Analog Performance | 12-bit ADC (??1LSB accuracy), 1MSPS maximum sampling rate |
| Security Features | Readout protection (RDP Level 1/2), write protection (WP), CRC calculation unit |
| Compliance | RoHS 2 compliant, ISO 9001 certified, IEC 61000-6-2 (industrial EMC) |
Key Technical Features of STM32F030K6T6 MCU
- 48MHz Cortex-M0+ core: Balances speed and power for IoT/industrial tasks. An IoT engineer reported: ??Processes temperature sensor data in 0.6s-28% faster than 8-bit MCUs, no excess energy use.??
- 32KB Flash/4KB RAM: Fits compact firmware (e.g., sensor logging + UART code). An industrial designer noted: ??Our controller firmware is 28KB-leaves 4KB for calibration updates.??
- LQFP32 7mmx7mm package: Simplifies PCB assembly. A smart thermostat manufacturer shared: ??Soldering yield improved by 22% vs. TSSOP-mass production costs down $0.15 per unit.??
- 0.5??A stop mode: Minimizes standby power drain. An energy firm confirmed: ??Extends 2xAA battery life in IoT sensors by 35%-from 10 months to 13.5 months.??
- 12-bit ADC (1MSPS): Ensures precise analog data capture. A home appliance tech firm explained: ??Measures temperature with ??0.4??C error-cuts HVAC energy use by 18% in smart homes.??
Advantages of STM32F030K6T6 vs. Typical Alternatives
Compared to 8-bit MCUs, low-memory 32-bit MCUs, and small-package (TSSOP) MCUs, the STM32F030K6T6 solves critical B2B design pain points-backed by real customer feedback:
1. 32-bit performance outperforms 8-bit MCUs: 8-bit MCUs (e.g., 8051-based) max out at 20MHz and lack the processing power to handle multi-sensor data or industrial control tasks, leading to slow response times and data gaps. The STM32F030K6T6??s 48MHz 32-bit core fixes this. An IoT sensor firm said: ??Our 8-bit humidity sensor took 1.1s to process data-this model takes 0.6s. Faster updates reduce data lag by 45%, and clients now trust our sensors for real-time environmental monitoring. We also added SPI connectivity (impossible with 8-bit), expanding our product line and increasing revenue by 22% in 6 months.??
🌟 Featured Products

“Buy MAX9312ECJ+ Precision Voltage Comparator in DIP Package for Reliable Performance”

QCC-711-1-MQFN48C-TR-03-1 Bluetooth Audio SoC with MQFN48C Package

0339-671-TLM-E Model – High-Performance TLM-E Package for Enhanced Functionality

1-1415898-4 Connector Housing, Electrical Wire-to-Board, Receptacle, Packaged
2. More memory than low-memory 32-bit MCUs: Entry-level 32-bit MCUs (e.g., 16KB Flash models) can??t fit firmware for complex tasks like sensor logging + calibration logic, forcing designers to add external memory chips. The STM32F030K6T6??s 32KB Flash eliminates this limitation. An industrial controller brand confirmed: ??Our 16KB Flash MCU could only run basic control code-this model runs control + sensor logging + error-checking logic. We avoided adding an external EEPROM (saves $0.30 per unit) and cut BOM complexity by 15%. The 4KB RAM also buffers more data, reducing network retransmissions by 30%.??
3. Easier assembly than small-package (TSSOP) MCUs: TSSOP packages have narrow pin spacing (0.65mm), leading to higher soldering errors (8%?C10%) in mass production-critical for high-volume products like smart thermostats. The STM32F030K6T6??s LQFP32 package (0.8mm pin spacing) fixes this. A home appliance manufacturer shared: ??Our TSSOP-based thermostats had 8% soldering defects-this LQFP32 model has 1.6%. Defect reduction cuts rework time by 80%, saving $24,000 annually. The LQFP32 also offers better heat dissipation, so we removed external heat sinks-thermostat size down 20% and assembly time cut by 12%.??
📩 Contact Us
Typical Applications of STMicroelectronics STM32F030K6T6
The STM32F030K6T6 excels in low-power, cost-sensitive embedded designs-proven in these key B2B use cases:
- Internet of Things (IoT) Environmental Sensors: Logs temperature/humidity data, 32KB Flash stores communication firmware. An IoT firm confirmed: ??Low power extends battery life by 35%, LQFP32 eases assembly-sensor sales up 28%.??
- Industrial Automation (Low-Power Sensor Hubs): Collects factory sensor data, 48MHz core ensures fast processing. A factory tech firm reported: ??0.5??A stop mode works with 24V supply, 12-bit ADC cuts data error by 30%-hub reliability up 40%.??
- Home Appliances (Smart Thermostats): Regulates home temperature, UART connects to user interfaces. A home brand noted: ????0.4??C temp accuracy cuts HVAC use by 18%, LQFP32 simplifies repair-customer complaints down 29%.??
- Energy and Power (Smart Utility Sensors): Measures energy use, UART sends data to grids. A utility firm shared: ??120??A/MHz active current cuts sensor energy use by 25%, 32KB Flash fits billing logic-sensor uptime hit 99.6%.??
- Security and Surveillance (Wireless Motion Detectors): Detects movement, standby mode saves battery. A security brand confirmed: ??0.5??A stop mode extends life to 13.5 months, 12-bit ADC reduces false alarms by 25%-detector adoption up 22%.??
Frequently Asked Questions (FAQ) About STM32F030K6T6
Why is a 48MHz Cortex-M0+ core better than 20MHz 8-bit MCUs for IoT environmental sensors?
IoT environmental sensors need to process multi-sensor data (e.g., temp, humidity) and send it via wireless networks-tasks 8-bit MCUs struggle with due to slow speeds and limited instruction sets. The STM32F030K6T6??s 48MHz core fixes this. An IoT engineer said: ??Our 8-bit sensor took 1.1s to process data-this model takes 0.6s. Faster updates reduce data lag by 45%, and we added SPI to connect a humidity sensor (impossible with 8-bit). This expanded our product line, and sensor sales rose by 22% in 6 months.??
Can the 32KB Flash/4KB RAM handle industrial sensor hub firmware?
Yes. Industrial sensor hubs run firmware for sensor data collection (temp, pressure), error checking, and UART communication-typically 25KB?C29KB, which fits easily in 32KB Flash. The 4KB RAM buffers real-time data (e.g., 30 minutes of logs). An industrial developer confirmed: ??Our hub firmware is 28KB (includes 2 sensor drivers + error logic) with 4KB reserve for over-the-air updates. The 4KB RAM stores 3,600 sensor samples (12 bytes each) with 256 bytes to spare. We tested it in -40??C to +85??C-no memory issues, even during factory voltage spikes.??
What value does the LQFP32 package add for mass-produced smart thermostats?
Mass-produced smart thermostats need high assembly yields-TSSOP packages (0.65mm pin spacing) cause 8%?C10% soldering defects, increasing rework costs. The STM32F030K6T6??s LQFP32 package (0.8mm pin spacing) solves this. A home brand said: ??Our TSSOP thermostats had 8% defects-this LQFP32 model has 1.6%. Defect reduction saves $24,000 annually in rework. The LQFP32 also has better heat dissipation, so we removed a heat sink-thermostat size down 20%, making it fit in narrow wall boxes (a key customer request).??
How does 0.5??A stop mode extend IoT sensor battery life?
IoT sensors spend 90% of time in standby (waiting to sample data)-high standby current drains batteries fast. The STM32F030K6T6??s 0.5??A stop mode minimizes this. An energy firm confirmed: ??Our pressure sensor samples once per hour (5 minutes active, 55 minutes standby). This MCU uses 0.5??A in standby vs. 6??A for legacy models. Battery life extends from 10 months to 13.5 months. We replace 35% fewer batteries, saving $70,000 in annual field service costs. Clients in remote areas now prefer our sensors, boosting repeat orders by 25%.??
Why is IEC 61000-6-2 compliance useful for industrial sensor hubs?
IEC 61000-6-2 is the global standard for industrial EMC performance-non-compliant MCUs can cause electromagnetic interference (EMI) with factory equipment (e.g., motors, PLCs) or fail in noisy industrial environments. The STM32F030K6T6??s compliance eliminates this risk. A factory tech firm said: ??Our old non-compliant MCU caused 4 EMI-related hub malfunctions monthly-this model causes 0. Compliance lets the hub work near factory motors, and data accuracy improved by 30%. We avoided $50,000 in annual production downtime and retained 2 key manufacturing clients.??




