STMicroelectronics STM8AF52A6UCY

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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, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 25
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 6x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 125°C (TA)
Grade Automotive
Qualification AEC AEC-Q100
Mounting Type Surface Mount
Supplier Device Package 32-UFQFPN (5x5)
Package / Case 32-UFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM8AF52A6UCY from STMicroelectronics is a high-performance 8-bit microcontroller built on the STM8A core, specifically designed for automotive and industrial applications. It operates at up to 24MHz and provides a generous 128KB of Flash program memory and 6KB of RAM. With a supply voltage range of 3V to 5.5V and an extended temperature range of -40°C to 125°C, it is engineered for the most demanding environments. The device includes Brown-out Detect/Reset, POR, PWM, and WDT peripherals, all in a compact 32-UFQFN package with exposed pad for improved thermal performance.

  • Automotive-Grade Reliability: Designed to meet AEC-Q100 standards, ensuring high quality and long-term reliability.
  • Large Memory Capacity: 128KB Flash and 6KB RAM provide ample space for complex firmware and data logging.
  • Extended Temperature Range: -40°C to 125°C allows operation in extreme automotive and industrial environments.
  • High-Speed Processing: 24MHz clock enables fast execution of control algorithms.
  • Compact Package with Thermal Pad: The 32-UFQFN with exposed pad enhances heat dissipation, improving performance in high-power applications.

Automotive Body Control Modules

The STM8AF52A6UCY is designed for automotive applications, with a wide temperature range and robust peripherals. It can manage body control functions like lighting, wipers, and central locking, communicating over LIN or CAN networks.

Engine Management Systems

With 128KB of Flash and 24MHz speed, it can handle complex engine control algorithms, including fuel injection, ignition timing, and emission control. Its high-temperature rating is essential for under-hood placement.

Industrial Motor Drives

In industrial settings, this MCU can control AC induction motors, BLDC motors, and stepper motors. The PWM and WDT features ensure precise and reliable operation in harsh factory environments.

Smart Grid and Energy Infrastructure

For smart meters, substation monitors, and grid protection devices, the STM8AF52A6UCY offers the processing power and reliability needed for continuous operation in extreme temperatures.

Off-Road and Heavy-Duty Vehicles

In tractors, construction equipment, and mining vehicles, this MCU can manage hydraulic controls, dashboard displays, and telematics systems, withstanding vibration and temperature extremes.

Aerospace Actuation Systems

For non-flight-critical actuation like landing gear position sensors or cabin pressure valves, the extended temperature range and proven reliability make it a suitable choice.

Q: What is the core processor of the STM8AF52A6UCY?
A: It is based on the STM8A 8-bit core.
Q: What is the maximum operating frequency?
A: It operates at up to 24MHz.
Q: How much Flash and RAM does it have?
A: It has 128KB of Flash program memory and 6KB of RAM.
Q: What is the operating temperature range?
A: It operates from -40°C to 125°C.
Q: What package is available?
A: It comes in a 32-UFQFN Exposed Pad package.
Base Product Number : STM8AF52A6
128KB Flash 24MHz 32-UFQFN 8-bit MCU automotive high temperature PWM STM8A STM8AF52A6 WDT
Q: What is the core processor of the STM8AF52A6UCY?
A: It is based on the STM8A 8-bit core.
Q: What is the maximum operating frequency?
A: It operates at up to 24MHz.
Q: How much Flash and RAM does it have?
A: It has 128KB of Flash program memory and 6KB of RAM.
Q: What is the operating temperature range?
A: It operates from -40°C to 125°C.
Q: What package is available?
A: It comes in a 32-UFQFN Exposed Pad package.