STM8AF52A8TAX

ST
STM8AF52A8TAX
LQFP-48
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FAQ

Q: Do I really need AEC-Q100 for a drone application?
A: For most consumer/hobbyist drones — no. The industrial-grade STM8S207/S208 (−40°C to +85°C) is sufficient. For professional/industrial drones — yes, if: (a) operating temperature extremes exceed 85°C (engine-compartment mounting, desert operations, solar-soaked airframes), (b) mission-critical relia

Q: What is LIN and why would a drone use it?
A: LIN (Local Interconnect Network) is a low-cost (<$0.10 per node) single-wire serial bus used in automotive body electronics. In drones, LIN can connect distributed temperature sensors, LED strips, servo feedback pots, and simple actuators over a single wire — reducing the wiring harness from one UAR

1. Product Overview

The STM8AF52A8TAX is built on ST's automotive-qualified process and is tested to AEC-Q100 Grade 1 standards — meaning every die undergoes extended burn-in, temperature cycling, and electrical stress testing beyond the standard industrial qualification. This is the MCU you choose when a drone component must survive −40°C cold starts (high-altitude/mountain operations), +125°C ambient (engine-bay mounting on hybrid UAVs, solar-load in desert operations), or automotive-comparable vibration profiles (heavy-lift industrial drones, agricultural sprayer UAVs). The LQFP-80 package with 68 GPIOs and 16 ADC channels provides the highest I/O count of any STM8 device — enabling a single chip to control multiple motors, read dozens of sensors, and communicate over CAN and LIN simultaneously. The LIN 2.

2. Key Features

  • AEC-Q100 Grade 1 — −40°C to +125°C Automotive Reliability
  • CAN 2.0B + LIN 2.1 — Dual Automotive Bus Interfaces
  • 68 GPIOs in LQFP-80 — Maximum STM8 I/O

3. Technical Specifications

ParameterValue
ManufacturerSTMicroelectronics
Part NumberSTM8AF52A8TAX
CoreSTM8 (8-bit, 24 MHz)
QualificationAEC-Q100 Grade 1 (−40°C to +125°C)
Flash / SRAM / EEPROM128 KB / 6 KB / 2 KB
PackageLQFP-80 (14×14 mm, 0.65 mm pitch)
Supply Voltage3.0V – 5.5V
Temperature−40°C to +125°C (ambient)
GPIO68 (5V-tolerant, high-sink current capable)
ADC1× 10-bit, 16 channels
Timers5× 16-bit (2× advanced PWM, 2× GP, 1× basic)
Communication2× UART, 1× SPI, 1× I²C, 1× CAN 2.0B + 1× LIN 2.1
SpecialAEC-Q100, LIN master/slave, −125°C max junction, 2 KB EEPROM
DebugSWIM

4. Applications

  • Mission-Critical DroneCAN Multi-Motor Controller
  • Automotive-Grade BMS for Heavy-Lift Industrial Drones
  • CAN-to-LIN Gateway for Distributed Drone Sensor Networks

5. Supply Solutions

Aurora supports customers with STM8AF52A8TAX sourcing through verified global supply channels. We help OEMs and manufacturers manage availability challenges, production requirements, and lifecycle risks with flexible procurement solutions.

6. Quality Assurance

All components supplied by Aurora follow strict quality control procedures, including supplier verification, documentation review, inspection, and traceability management to ensure product authenticity and reliability.

7. Alternative & Replacement Solutions

When original STM8AF52A8TAX components face shortages, lifecycle changes, or long lead times, Aurora helps customers identify suitable alternative components based on technical requirements, application needs, and supply conditions.

8. Request Quote / Contact

Need STM8AF52A8TAX availability or sourcing support?

Contact Aurora for component verification, quotation, and reliable supply solutions.

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