STMicroelectronics STM32L433CBU6
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $6.26 | $6.26 |
| 15+ | $4.11 | $61.65 |
| 25+ | $4.02 | $100.50 |
| 50+ | $3.80 | $190.00 |
| 100+ | $3.35 | $335.00 |
| N+ | $0.67 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32L4 |
| Packaging | Tray | |
| Core Processor | ARM® Cortex®-M4 |
| Core Size | 32-Bit Single-Core |
| Speed | 80MHz |
| Connectivity | CANbus, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, DMA, LCD, PWM, WDT |
| Number of I/O | 38 |
| Program Memory Size | 128KB (128K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 64K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V |
| Data Converters | A/D 10x12b; D/A 2x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 48-UFQFPN (7x7) |
| Package / Case | 48-UFQFN Exposed Pad |
| ROHS |
The STM32L433CBU6 from STMicroelectronics is an ultra-low-power ARM Cortex-M4 microcontroller in a 48-UFQFN package. It operates at 80MHz with 128KB flash and 64K RAM, supporting 1.71V-3.6V supply. Features include an LCD controller, DMA, PWM, and Brown-out Detect, making it suitable for smart meters, wearables, and industrial IoT applications.
- Ultra-low power – Extends battery life in portable and IoT devices.
- 80MHz Cortex-M4 – Provides DSP capabilities for signal processing.
- Integrated LCD driver – Reduces BOM cost for display applications.
- Wide voltage range – Works with 1.8V and 3.3V systems.
Smart Meters
The integrated LCD controller and low power modes make it ideal for utility meters displaying usage data on segmented displays.
Wearable Health Trackers
With 1.71V operation and 64K RAM, it supports sensor fusion and BLE stacks in fitness bands while maximizing battery life.
Industrial Process Controllers
The 80MHz Cortex-M4 with DSP instructions handles PID loops and fast ADC sampling for precise temperature or flow control.
Building Automation
DMA and PWM enable efficient control of lighting and HVAC actuators, while the UFQFN package fits compact wall modules.
Portable Instrumentation
128KB flash stores calibration curves and logging data, and the low-power design suits handheld multimeters.
IoT Edge Nodes
Combines low power with high compute for edge AI inference, processing sensor data locally before cloud transmission.
- Q: What core does the STM32L433CBU6 use?
- A: It uses an ARM Cortex-M4 core.
- Q: What is the maximum clock speed?
- A: It runs at up to 80MHz.
- Q: What is the supply voltage range?
- A: It operates from 1.71V to 3.6V.
- Q: Does it have an LCD controller?
- A: Yes, it includes an integrated LCD driver.
- Q: What core does the STM32L433CBU6 use?
- A: It uses an ARM Cortex-M4 core.
- Q: What is the maximum clock speed?
- A: It runs at up to 80MHz.
- Q: What is the supply voltage range?
- A: It operates from 1.71V to 3.6V.
- Q: Does it have an LCD controller?
- A: Yes, it includes an integrated LCD driver.

STM32L433CBU6.pdf