STM8AF5288TCY - 8-bit Automotive MCU, 64KB Flash, LQFP64 | STMicroelectronics
MPN: STM8AF5288TCY β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.25 | $3.25 |
| 10 | $2.95 | $29.50 |
| 100 | $2.45 | $245.00 |
| 500 | $2.1 | $1,050.00 |
| 1,000 | $1.85 | $1,850.00 |
Drop-in alternatives for STM8AF5288TCY β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
STM8AF5289TCY
β Drop-Inβ 99,999 In Stock
$4.16 / Unit
View Datasheet βSTM8AF5288TDY
β Drop-Inπ Reference alternative (not in catalog)
STM8AF5288TAY
β Drop-Inπ Reference alternative (not in catalog)
STM8AF5268TCY
β Drop-Inβ 99,999 In Stock
$2.77 / Unit
View Datasheet βSTM8AF5288TCY Maximum Ratings & Electrical Characteristics
| Core | STM8A 8-bit |
| Maximum Frequency | 24 MHz |
| Flash Memory | 64 KB |
| RAM | 6 KB |
| EEPROM | 2 KB |
| Operating Voltage | 3.0 V to 5.5 V |
| ADC Resolution | 10-bit |
| ADC Channels | 16 |
| Timers | 1x 16-bit advanced, 2x 16-bit general purpose, 1x 8-bit basic |
| Communication Interfaces | SPI, I2C, UART, CAN 2.0B |
| Package | LQFP64 (10x10 mm) |
| Operating Temperature | -40Β°C to +125Β°C |
| AEC-Q100 | Qualified (Grade 1) |
| Supply Current (Active) | [DATA_NEEDED: mA at 24 MHz] |
| Supply Current (Low Power) | [DATA_NEEDED: Β΅A in Halt mode] |
| RoHS | Compliant |
STM8AF5288TCY Pin Configuration
| Pin 1 | VSS β Ground |
| Pin 2 | VDD β Power supply (3.0V to 5.5V) |
| Pin 3 | PA0 β General purpose I/O / ADC input |
| Pin 4 | PA1 β General purpose I/O / ADC input |
| Pin 5 | PA2 β General purpose I/O / ADC input |
| Pin 6 | PA3 β General purpose I/O / ADC input |
| Pin 7 | VSS β Ground |
| Pin 8 | VDD β Power supply |
| Pin 9 | PB0 β General purpose I/O / SPI MOSI |
| Pin 10 | PB1 β General purpose I/O / SPI MISO |
| Pin 11 | PB2 β General purpose I/O / SPI SCK |
| Pin 12 | PB3 β General purpose I/O / SPI NSS |
| Pin 13 | PB4 β General purpose I/O / I2C SCL |
| Pin 14 | PB5 β General purpose I/O / I2C SDA |
| Pin 15 | VSS β Ground |
| Pin 16 | VDD β Power supply |
| Pin 17 | PC0 β General purpose I/O / ADC input |
| Pin 18 | PC1 β General purpose I/O / ADC input |
| Pin 19 | PC2 β General purpose I/O / ADC input |
| Pin 20 | PC3 β General purpose I/O / ADC input |
| Pin 21 | PC4 β General purpose I/O / ADC input |
| Pin 22 | PC5 β General purpose I/O / ADC input |
| Pin 23 | VSS β Ground |
| Pin 24 | VDD β Power supply |
| Pin 25 | PD0 β General purpose I/O / UART TX |
| Pin 26 | PD1 β General purpose I/O / UART RX |
| Pin 27 | PD2 β General purpose I/O / UART TX |
| Pin 28 | PD3 β General purpose I/O / UART RX |
| Pin 29 | PD4 β General purpose I/O / CAN TX |
| Pin 30 | PD5 β General purpose I/O / CAN RX |
| Pin 31 | VSS β Ground |
| Pin 32 | VDD β Power supply |
| Pin 33 | PE0 β General purpose I/O / Timer input |
| Pin 34 | PE1 β General purpose I/O / Timer input |
| Pin 35 | PE2 β General purpose I/O / Timer output |
| Pin 36 | PE3 β General purpose I/O / Timer output |
| Pin 37 | PE4 β General purpose I/O / Timer output |
| Pin 38 | PE5 β General purpose I/O / Timer output |
| Pin 39 | VSS β Ground |
| Pin 40 | VDD β Power supply |
| Pin 41 | PF0 β General purpose I/O / ADC input |
| Pin 42 | PF1 β General purpose I/O / ADC input |
| Pin 43 | PF2 β General purpose I/O / ADC input |
| Pin 44 | PF3 β General purpose I/O / ADC input |
| Pin 45 | PF4 β General purpose I/O / ADC input |
| Pin 46 | PF5 β General purpose I/O / ADC input |
| Pin 47 | VSS β Ground |
| Pin 48 | VDD β Power supply |
| Pin 49 | PG0 β General purpose I/O / Timer input |
| Pin 50 | PG1 β General purpose I/O / Timer input |
| Pin 51 | PG2 β General purpose I/O / Timer output |
| Pin 52 | PG3 β General purpose I/O / Timer output |
| Pin 53 | PG4 β General purpose I/O / Timer output |
| Pin 54 | PG5 β General purpose I/O / Timer output |
| Pin 55 | VSS β Ground |
| Pin 56 | VDD β Power supply |
| Pin 57 | PH0 β General purpose I/O / OSC_IN |
| Pin 58 | PH1 β General purpose I/O / OSC_OUT |
| Pin 59 | NRST β Reset (active low) |
| Pin 60 | VSS β Ground |
| Pin 61 | VDD β Power supply |
| Pin 62 | VDDIO β I/O power supply |
| Pin 63 | VSSIO β I/O ground |
| Pin 64 | VDD β Power supply |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
STM8AF5288TCY is suitable for 6 applications: Body Control Module, Motor Control (Window Lift, Wiper, Seat), Lighting Control (LED, Adaptive), HVAC Control, Sensor Interface and Data Acquisition, Industrial Automation.
Body Control Module
The STM8AF5288TCY is ideal for body control modules (BCM) in automotive vehicles. Its 64 KB Flash and 6 KB RAM provide ample resources for managing lighting, wipers, door locks, and power windows. The CAN 2.0B interface enables seamless communication with other ECUs, while the 10-bit ADC reads analog sensors for ambient light and temperature. The AEC-Q100 Grade 1 qualification ensures reliable operation in the harsh under-dash environment, with temperatures ranging from -40Β°C to +125Β°C. The MCU's low power modes help reduce quiescent current when the vehicle is off, preserving battery life. The rich timer peripherals support PWM dimming for interior lighting and precise control of wiper motors. Overall, the STM8AF5288TCY provides a cost-effective, robust solution for BCM applications, reducing system complexity and BOM cost.
Recommended
Motor Control (Window Lift, Wiper, Seat)
The STM8AF5288TCY excels in motor control applications such as window lift, wiper, and seat adjustment. Its 16-bit advanced control timer generates complementary PWM signals with dead-time insertion, essential for driving H-bridge or half-bridge topologies. The 10-bit ADC with up to 16 channels allows current sensing via shunt resistors, enabling closed-loop torque control and stall detection. The MCU's 24 MHz core provides sufficient processing power for real-time control loops, while the CAN interface allows remote control from the BCM. The EEPROM stores calibration data and fault codes, with 300k write cycles ensuring long-term reliability. The wide operating voltage range (3.0V to 5.5V) accommodates direct battery connection with a simple regulator. The STM8AF5288TCY's robust I/O structure withstands inductive spikes from motor commutation, making it a dependable choice for automotive motor control.
Recommended
Lighting Control (LED, Adaptive)
The STM8AF5288TCY is well-suited for automotive lighting control, including LED headlamps, daytime running lights, and adaptive lighting systems. Its PWM timers provide high-resolution dimming control, while the 10-bit ADC monitors LED current and temperature for feedback. The CAN interface enables communication with the vehicle's lighting controller, allowing dynamic beam patterns and automatic leveling. The MCU's 64 KB Flash stores complex lighting algorithms, and the EEPROM retains calibration data. The AEC-Q100 Grade 1 qualification ensures reliable operation in the high-temperature environment near headlamps. The STM8AF5288TCY's low power modes help reduce energy consumption when lights are off. With its rich peripheral set and automotive-grade robustness, this MCU is an excellent choice for advanced lighting systems.
Recommended
HVAC Control
The STM8AF5288TCY is ideal for HVAC (Heating, Ventilation, and Air Conditioning) control modules. It manages blower motors, damper actuators, and temperature sensors with its PWM timers and 10-bit ADC. The CAN interface allows integration with the vehicle's climate control system, enabling automatic temperature regulation. The MCU's 64 KB Flash stores control algorithms, and the EEPROM retains user preferences. The wide operating voltage range and AEC-Q100 Grade 1 qualification ensure reliable operation in the dashboard environment. The STM8AF5288TCY's low power modes help reduce battery drain when the vehicle is off. Its robust I/O structure withstands the electrical noise from blower motors, making it a dependable choice for HVAC applications.
Recommended
Sensor Interface and Data Acquisition
The STM8AF5288TCY serves as a central hub for sensor interfacing in automotive systems. Its 10-bit ADC with 16 channels can read multiple analog sensors, such as temperature, pressure, and position sensors. The SPI and I2C interfaces allow connection to digital sensors and external ADCs. The CAN interface transmits sensor data to other ECUs for processing. The MCU's 64 KB Flash stores sensor calibration tables, and the EEPROM retains offset and gain values. The AEC-Q100 Grade 1 qualification ensures reliable operation in harsh environments. The STM8AF5288TCY's low power modes enable periodic wake-up for sensor polling, reducing overall power consumption. This makes it an excellent choice for distributed sensor nodes in automotive networks.
Recommended
Industrial Automation
Although designed for automotive, the STM8AF5288TCY is also suitable for industrial automation applications. Its robust I/O, wide operating voltage, and extended temperature range make it ideal for PLCs, motor drives, and sensor nodes. The CAN interface supports industrial networking protocols, while the timers and ADC enable precise control of motors and monitoring of process variables. The 64 KB Flash and 6 KB RAM provide ample resources for control algorithms. The AEC-Q100 qualification ensures high reliability in demanding industrial environments. The STM8AF5288TCY's low power modes help reduce energy consumption in battery-powered industrial devices. Its long-term availability and ST's commitment to automotive-grade quality make it a dependable choice for industrial applications.
Recommended
Recommended Products Summary
Engineering reference data for STM8AF5288TCY β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STM8AF5289TCY | STM8AF5288TDY | STM8AF5288TAY | STM8AF5268TCY |
|---|---|---|---|---|---|
| Package | LQFP64 | LQFP64 | LQFP64 | LQFP64 | LQFP64 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Flash Memory | 64 KB | 128 KB | 64 KB | 64 KB | 32 KB |
| RAM | 6 KB | 6 KB | 6 KB | 6 KB | 6 KB |
| EEPROM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB |
| Max Frequency | 24 MHz | 24 MHz | 24 MHz | 24 MHz | 24 MHz |
| Operating Temperature | -40Β°C to +125Β°C | -40Β°C to +125Β°C | -40Β°C to +150Β°C | -40Β°C to +125Β°C | -40Β°C to +125Β°C |
| CAN Interface | Yes (2.0B) | Yes (2.0B) | Yes (2.0B) | Yes (2.0B) | Yes (2.0B) |
Key Differentiators
- Automotive-grade AEC-Q100 qualification (vs STM8AF5288TCY (non-automotive))
- Integrated CAN 2.0B controller (vs STM8AF5288TCY (without CAN))
- True data EEPROM with 300k cycles (vs STM8AF5288TCY (with emulated EEPROM))
Design Notes
The STM8AF5288TCY operates from 3.0V to 5.5V. In automotive applications, use a low-dropout regulator (LDO) to step down the battery voltage (12V) to 5V. Place a 100nF ceramic capacitor close to each VDD pin and a 10Β΅F bulk capacitor at the power entry point. Ensure the ground plane is solid and all VSS pins are connected to it with minimal impedance.
For the LQFP64 package, use a 4-layer PCB with a dedicated ground plane. Keep the crystal oscillator (if used) close to the OSC_IN/OSC_OUT pins (PH0/PH1) and route the traces as short as possible. Add a guard ring around the oscillator to minimize noise coupling. For CAN and UART lines, use proper termination and keep traces away from high-current switching signals.
Do not leave unused I/O pins floating; configure them as outputs or enable internal pull-ups. The NRST pin (pin 59) requires a 100nF capacitor to ground for reliable reset. When using the EEPROM, avoid excessive write cycles by implementing wear leveling if possible. Ensure the watchdog timer is enabled in production to prevent system hangs.
Compliance Information
AEC-Q100 Grade 1 qualified. RoHS compliant per STMicroelectronics product page.
