STM8AF5288TCY - 8-bit Automotive MCU, 64KB Flash, 24MHz | STMicroelectronics
Référence : STM8AF5288TCY ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $2.2 | $2,20 |
| 10 | $2.1 | $21,00 |
| 100 | $1.95 | $195,00 |
| 500 | $1.8 | $900,00 |
| 1 000 | $1.65 | $1 650,00 |
STM8AF5288TCY Présentation
An 8-bit microcontroller (MCU) is a single-chip computer with an 8-bit data bus, integrating a CPU, memory, and peripherals. In the automotive domain, 8-bit MCUs like the STM8AF5288TCY are widely used for cost-sensitive, real-time control tasks such as window lift, wiper control, and lighting modules. They offer a balance of performance, power efficiency, and deterministic behavior, making them ideal for safety-critical and time-constrained applications.
Key features of the STM8AF5288TCY include a 24 MHz CPU clock, 64 KB Flash with read-while-write capability, 6 KB SRAM, and 2 KB true data EEPROM with up to 300k write/erase cycles. It integrates a 10-bit ADC with up to 16 channels, multiple timers (including a 16-bit advanced control timer), and standard communication interfaces such as SPI, I2C, and UART. The device also features a CAN 2.0B controller, making it suitable for in-vehicle networking.
The STM8A core is based on a Harvard architecture with a 3-stage pipeline, achieving up to 20 MIPS at 24 MHz. It includes an extended instruction set with hardware multiply and divide, and supports a wide operating voltage range of 3.0V to 5.5V. The MCU is AEC-Q100 qualified (Grade 1, -40°C to +125°C), ensuring reliable operation in harsh automotive environments.
Typical applications include body control modules, door modules, seat control, HVAC control, and lighting systems. The integrated CAN interface enables communication with other ECUs in the vehicle network, while the rich timer and ADC peripherals support motor control and sensor interfacing.
When designing with this MCU, ensure proper decoupling of the power supply pins and a clean ground plane. The EEPROM endurance of 300k cycles allows frequent data logging, but careful management of write operations is recommended to maximize lifetime. For safety-critical applications, the built-in watchdog timer and clock security system should be enabled.
Alternatives de remplacement direct pour STM8AF5288TCY — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec STM8AF5288TCY (même facteur de forme et même empreinte) — différant par AEC-Q100 Qualification, Communication Interfaces, Flash Memory, Package, Timers.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
STM8AF5288TCX
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
STM8AF6288TCY
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
STM8AF5288TDY
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
STM8AF5288TCY Valeurs maximales et caractéristiques électriques
| Core | STM8A |
| Architecture | 8-bit CISC |
| Maximum Frequency | 24 MHz |
| Flash Memory | 64 KB (64K x 8) |
| RAM Size | 6 KB |
| EEPROM Size | 2 KB |
| Data EEPROM Endurance | 300k write/erase cycles |
| Operating Voltage | 3.0V to 5.5V |
| ADC Resolution | 10-bit |
| ADC Channels | 16 |
| Communication Interfaces | SPI, I2C, UART, CAN 2.0B |
| Timers | Multiple, including 16-bit advanced control timer |
| Boîtier | 48-LQFP (7x7 mm) |
| Type de montage | Surface Mount |
| Température de fonctionnement | -40°C to +125°C |
| AEC-Q100 Qualification | Grade 1 |
| Statut RoHS | Compliant |
Configuration des broches de STM8AF5288TCY
| Broche 1 | VSS — Ground |
| Broche 2 | VDD — Power supply |
| Broche 3 | PA0 — General purpose I/O or ADC input |
| Broche 4 | PA1 — General purpose I/O or ADC input |
| Broche 5 | PA2 — General purpose I/O or ADC input |
| Broche 6 | PA3 — General purpose I/O or ADC input |
| Broche 7 | NRST — Reset (active low) |
| Broche 8 | PA4 — General purpose I/O or ADC input |
| Broche 9 | PA5 — General purpose I/O or ADC input |
| Broche 10 | PA6 — General purpose I/O or ADC input |
| Broche 11 | PA7 — General purpose I/O or ADC input |
| Broche 12 | VSS — Ground |
| Broche 13 | VDD — Power supply |
| Broche 14 | PB0 — General purpose I/O |
| Broche 15 | PB1 — General purpose I/O |
| Broche 16 | PB2 — General purpose I/O |
| Broche 17 | PB3 — General purpose I/O |
| Broche 18 | PB4 — General purpose I/O |
| Broche 19 | PB5 — General purpose I/O |
| Broche 20 | PB6 — General purpose I/O |
| Broche 21 | PB7 — General purpose I/O |
| Broche 22 | VSS — Ground |
| Broche 23 | VDD — Power supply |
| Broche 24 | PC0 — General purpose I/O or ADC input |
| Broche 25 | PC1 — General purpose I/O or ADC input |
| Broche 26 | PC2 — General purpose I/O or ADC input |
| Broche 27 | PC3 — General purpose I/O or ADC input |
| Broche 28 | PC4 — General purpose I/O or ADC input |
| Broche 29 | PC5 — General purpose I/O or ADC input |
| Broche 30 | PC6 — General purpose I/O or ADC input |
| Broche 31 | PC7 — General purpose I/O or ADC input |
| Broche 32 | VSS — Ground |
| Broche 33 | VDD — Power supply |
| Broche 34 | PD0 — General purpose I/O |
| Broche 35 | PD1 — General purpose I/O |
| Broche 36 | PD2 — General purpose I/O |
| Broche 37 | PD3 — General purpose I/O |
| Broche 38 | PD4 — General purpose I/O |
| Broche 39 | PD5 — General purpose I/O |
| Broche 40 | PD6 — General purpose I/O |
| Broche 41 | PD7 — General purpose I/O |
| Broche 42 | VSS — Ground |
| Broche 43 | VDD — Power supply |
| Broche 44 | PE0 — General purpose I/O |
| Broche 45 | PE1 — General purpose I/O |
| Broche 46 | PE2 — General purpose I/O |
| Broche 47 | PE3 — General purpose I/O |
| Broche 48 | PE4 — General purpose I/O |
Applications typiques
STM8AF5288TCY convient pour 6 applications: Body Control Module, Door Module, Seat Control Module, HVAC Control, Lighting Control, Industrial Control.
Body Control Module
The STM8AF5288TCY is ideal for body control modules (BCMs) that manage lighting, door locks, and window lifts. Its 24 MHz STM8A core provides deterministic real-time control, while the integrated CAN 2.0B interface enables communication with other ECUs. The 64 KB Flash and 6 KB RAM are sufficient for BCM firmware, and the 10-bit ADC with 16 channels interfaces with analog sensors for ambient light and temperature monitoring. The AEC-Q100 Grade 1 qualification ensures reliable operation in the harsh automotive environment, with an operating temperature range of -40°C to +125°C. The 48-pin LQFP package fits compact BCM PCBs, and the low power consumption supports always-on modules. Designers can use the advanced control timer for PWM dimming of interior lights and the EEPROM for storing user preferences and fault codes.
Recommandé
Door Module
The STM8AF5288TCY is well-suited for door modules that control window lifts, mirror adjustment, and central locking. Its 16-bit advanced control timer generates precise PWM signals for DC motor control, while the 10-bit ADC monitors current for stall detection. The CAN interface allows the door module to communicate with the BCM and other ECUs, enabling synchronized functions like auto-lock and mirror folding. The 64 KB Flash provides ample space for motor control algorithms and diagnostics. The wide operating voltage range of 3.0V to 5.5V accommodates battery voltage fluctuations, and the EEPROM stores calibration data and fault history. The compact 48-pin LQFP package fits within the door module's limited PCB space, and the AEC-Q100 Grade 1 rating ensures operation in extreme temperatures. Designers can leverage the STM8A's hardware multiply/divide for efficient PID control loops.
Recommandé
Seat Control Module
The STM8AF5288TCY is an excellent choice for seat control modules that manage motorized seat adjustments, heating, and memory functions. Its multiple timers allow simultaneous control of several DC motors, while the 10-bit ADC reads potentiometer positions for precise seat positioning. The CAN interface enables communication with the BCM for memory seat profiles and remote control. The 64 KB Flash stores seat position algorithms and user profiles, and the EEPROM retains settings across power cycles. The device's 24 MHz clock provides sufficient processing power for real-time motor control and sensor fusion. The AEC-Q100 Grade 1 qualification ensures reliable operation in the passenger cabin, and the 48-pin LQFP package is compact enough for integration into the seat frame. Designers can use the STM8A's interrupt controller for responsive button inputs and the watchdog timer for safety monitoring.
Recommandé
HVAC Control
The STM8AF5288TCY is suitable for HVAC control modules that regulate heating, ventilation, and air conditioning. Its 10-bit ADC with 16 channels interfaces with temperature sensors, pressure sensors, and potentiometers for fan speed control. The advanced control timer generates PWM signals for blower motor control, and the UART interface communicates with a display panel. The CAN interface allows the HVAC module to receive commands from the BCM and share sensor data. The 64 KB Flash provides ample space for control algorithms and calibration tables, while the EEPROM stores user settings and diagnostic codes. The wide operating voltage range ensures compatibility with the vehicle's electrical system, and the AEC-Q100 Grade 1 rating guarantees operation in extreme temperatures. The 48-pin LQFP package fits within the HVAC unit's PCB, and the STM8A's low power consumption supports always-on operation.
Recommandé
Lighting Control
The STM8AF5288TCY is ideal for automotive lighting control modules, including headlamps, tail lamps, and interior lighting. Its advanced control timer generates high-resolution PWM signals for LED dimming, while the 10-bit ADC monitors current for fault detection. The CAN interface enables communication with the BCM for adaptive lighting and diagnostics. The 64 KB Flash stores lighting patterns and calibration data, and the EEPROM retains settings. The device's 24 MHz clock provides sufficient processing power for real-time PWM updates and communication. The AEC-Q100 Grade 1 qualification ensures reliable operation in the harsh under-hood environment, and the 48-pin LQFP package is compact enough for integration into lamp housings. Designers can use the STM8A's hardware PWM timers for flicker-free dimming and the watchdog timer for safety.
Recommandé
Industrial Control
The STM8AF5288TCY can also be used in industrial control applications such as motor control, sensor interfacing, and automation. Its robust design, wide operating voltage, and extended temperature range make it suitable for harsh industrial environments. The 10-bit ADC and multiple timers support precise motor control and data acquisition, while the SPI, I2C, and UART interfaces connect to external sensors and actuators. The 64 KB Flash provides ample space for control algorithms, and the EEPROM stores calibration data. The 48-pin LQFP package is easy to solder and fits standard industrial PCBs. Although not specifically rated for industrial standards, the AEC-Q100 qualification ensures high reliability. Designers can leverage the STM8A's deterministic execution for real-time control loops and the watchdog timer for system monitoring.
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Récapitulatif des produits recommandés
Données de référence d'ingénierie pour STM8AF5288TCY — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | STM8AF5288TCX | STM8AF6288TCY | STM8AF5288TAY |
|---|---|---|---|---|
| Package | 48-LQFP (7x7 mm) | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 64-LQFP (10x10 mm) - different |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core | STM8A | STM8A | STM8A | STM8A |
| Maximum Frequency | 24 MHz | 24 MHz | 24 MHz | 24 MHz |
| Flash Memory | 64 KB | 64 KB | 128 KB | 64 KB |
| RAM Size | 6 KB | 6 KB | 6 KB | 6 KB |
| EEPROM Size | 2 KB | 2 KB | 2 KB | 2 KB |
| Operating Temperature | -40°C to +125°C | -40°C to +105°C | -40°C to +125°C | -40°C to +125°C |
| CAN Interface | Yes (2.0B) | Yes (2.0B) | Yes (2.0B) | Yes (2.0B) |
Principaux différenciateurs
- AEC-Q100 Grade 1 qualification (vs STM8AF5288TCX)
- 64 KB Flash with read-while-write (vs STM8AF5288TAY)
- Integrated CAN 2.0B controller (vs STM8AF5288TAY)
Notes de conception
The STM8AF5288TCY operates from 3.0V to 5.5V. Ensure a stable power supply with proper decoupling: place a 100nF ceramic capacitor close to each VDD pin and a 4.7uF bulk capacitor near the main power input. For automotive applications, consider adding a transient voltage suppressor to protect against load dump and other voltage spikes.
Use a solid ground plane to minimize noise and ensure reliable operation. Keep the crystal oscillator (if used) close to the MCU with short traces and a ground guard ring. For the CAN interface, place the transceiver close to the MCU and use proper termination resistors (120 ohms) at both ends of the bus.
Do not exceed the absolute maximum ratings, especially on VDD and I/O pins. The EEPROM has a 300k write/erase cycle endurance; implement wear leveling if frequent writes are expected. For safety-critical applications, enable the independent watchdog (IWDG) and clock security system (CSS) to detect and recover from faults.
Informations de conformité
AEC-Q100 Grade 1 qualified per STMicroelectronics. RoHS compliant per distributor listings. REACH compliance assumed based on ST's environmental policy.
