STMicroelectronics STM8AF52A9TCY
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $6.29 | $6.29 |
| 15+ | $4.13 | $61.95 |
| 25+ | $4.04 | $101.00 |
| 50+ | $3.82 | $191.00 |
| 100+ | $3.37 | $337.00 |
| N+ | $0.67 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM8A |
| Packaging | Tray | |
| Core Processor | STM8A |
| Core Size | 8-Bit |
| Speed | 24MHz |
| Connectivity | CANbus, I2C, LINbus, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 52 |
| Program Memory Size | 128KB (128K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 2K x 8 |
| RAM Size | 6K x 8 |
| Voltage - Supply (Vcc/Vdd) | 3V ~ 5.5V |
| Data Converters | A/D 16x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | Automotive |
| Qualification AEC | AEC-Q100 |
| Mounting Type | Surface Mount |
| Supplier Device Package | - |
| Package / Case | 64-LQFP |
| ROHS |  |
The STMicroelectronics STM8AF52A9TCY is a robust 8-bit automotive microcontroller. Built on the efficient STM8A core, it operates at up to 24MHz and offers 128KB of flash memory. Its wide 3V to 5.5V supply voltage and extended temperature range simplify power supply design in automotive environments. With integrated safety features like a watchdog timer and brown-out reset, it is engineered for reliable operation in critical vehicle systems.
- Automotive-Grade Reliability: Designed for -40°C to 125°C operation and compliant with AEC-Q100 standards for harsh environments.
- Wide Voltage Range: Operates from 3V to 5.5V, eliminating the need for a separate voltage regulator in many 12V automotive systems.
- Robust Safety Features: Includes BOR, POR, and WDT to ensure safe and predictable operation during power fluctuations.
- Cost-Effective 8-bit Core: Provides a balanced solution for applications that do not require the complexity of a 32-bit MCU.
Automotive Body Control Modules
The wide 3V-5.5V supply and 125°C temperature rating make it ideal for direct battery connection in body control modules, handling window lifts and lighting.
Automotive HVAC Systems
Use the robust STM8A core to manage blower motor speeds and actuator positions in heating, ventilation, and air conditioning systems, ensuring passenger comfort.
Industrial Sensor Interfaces
With its 5V-tolerant I/Os and PWM outputs, it can interface directly with industrial sensors and actuators without external level shifters.
Electric Power Steering (EPS) Assist
The deterministic 8-bit core and PWM capabilities provide reliable control for auxiliary steering motors in low-cost vehicle platforms.
Battery Management for 12V Systems
Monitor cell voltages and control balancing FETs in 12V lead-acid or Li-ion battery packs, leveraging the built-in POR and BOR for safe power-up.
Lighting Control Modules
Drive LED arrays and control dimming functions via PWM, with the WDT ensuring fail-safe operation in case of software errors.
- Q: What is the core architecture of the STM8AF52A9TCY?
- A: It is based on the STM8A 8-bit core, running at up to 24MHz.
- Q: What is the operating voltage range?
- A: The device supports a wide supply voltage range from 3V to 5.5V, allowing for direct connection to standard automotive power rails.
- Q: Does it have a watchdog timer?
- A: Yes, it includes a Window Watchdog Timer (WDT) for enhanced system reliability.
- Q: What is the package type?
- A: It is available in a 64-LQFP package, suitable for space-constrained PCB designs.
STM8AF52A9TCY.pdf
- Q: What is the core architecture of the STM8AF52A9TCY?
- A: It is based on the STM8A 8-bit core, running at up to 24MHz.
- Q: What is the operating voltage range?
- A: The device supports a wide supply voltage range from 3V to 5.5V, allowing for direct connection to standard automotive power rails.
- Q: Does it have a watchdog timer?
- A: Yes, it includes a Window Watchdog Timer (WDT) for enhanced system reliability.
- Q: What is the package type?
- A: It is available in a 64-LQFP package, suitable for space-constrained PCB designs.
