STMicroelectronics STM8AL3146UAY
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.99 | $5.99 |
| 15+ | $1.38 | $20.70 |
| 25+ | $1.35 | $33.75 |
| 50+ | $1.28 | $64.00 |
| 100+ | $1.13 | $113.00 |
| N+ | $0.23 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM8A |
| Packaging | Tray | NULL |
| Core Processor | STM8 |
| Core Size | 8-Bit |
| Speed | 16MHz |
| Connectivity | I2C, IrDA, LINbus, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Number of I/O | 30 |
| Program Memory Size | 16KB (16K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 1K x 8 |
| RAM Size | 2K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.65V ~ 3.6V |
| Data Converters | A/D 22x12b; D/A 1x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | Automotive |
| Qualification AEC | AEC-Q100 |
| Mounting Type | Surface Mount |
| Supplier Device Package | 32-VFQFPN (5x5) |
| Package / Case | 32-VFQFN Exposed Pad |
| ROHS |
The STM8AL3146UAY from STMicroelectronics is a low-power 8-bit MCU based on the STM8 core, operating at 16MHz. It features 16KB flash and 2KB RAM, with integrated brown-out detection, DMA, PWM, and watchdog. Housed in a 32-VFQFN package, it runs on 1.65V to 3.6V and -40°C to 85°C, making it perfect for automotive and portable applications.
- Low-voltage operation: 1.65V minimum enables single-cell battery designs.
- Automotive-grade reliability: Brown-out detect and POR protect against voltage dips.
- Efficient DMA: Reduces CPU load for peripheral data transfers.
- Compact 32-VFQFN: Saves board space in miniaturized devices.
Automotive Lighting Control
The 1.65V to 3.6V range and 16MHz STM8 core handle PWM dimming for LED headlamps with low quiescent current.
Battery Management Systems
Brown-out detection and POR ensure safe operation in 12V automotive batteries, monitoring cell voltages reliably.
Smart Sensors
With 16KB flash, it can store calibration data and run sensor fusion algorithms for pressure or temperature sensing.
Portable Consumer Electronics
Low power consumption extends battery life in wearables and remote controls, while DMA offloads data transfer.
Industrial Actuators
PWM and WDT features support precise control of small motors and solenoids in factory automation.
Medical Monitoring Devices
The -40°C to 85°C range and compact VFQFN package suit wearable health monitors.
- Q: What is the core architecture of the STM8AL3146UAY?
- A: It uses the STM8 8-bit core running at 16MHz, optimized for low-power automotive applications.
- Q: What is the supply voltage range?
- A: The operating voltage is 1.65V to 3.6V, suitable for battery and 3V systems.
- Q: How much flash and RAM does it have?
- A: It provides 16KB of program memory and 2KB of RAM for lightweight control tasks.
- Q: What package is available?
- A: It comes in a 32-VFQFN exposed pad package, ideal for compact designs.
- Q: What is the core architecture of the STM8AL3146UAY?
- A: It uses the STM8 8-bit core running at 16MHz, optimized for low-power automotive applications.
- Q: What is the supply voltage range?
- A: The operating voltage is 1.65V to 3.6V, suitable for battery and 3V systems.
- Q: How much flash and RAM does it have?
- A: It provides 16KB of program memory and 2KB of RAM for lightweight control tasks.
- Q: What package is available?
- A: It comes in a 32-VFQFN exposed pad package, ideal for compact designs.

STM8AL3146UAY.pdf