SPC564B74L7 - 32-bit MCU, 4MB Flash, 150MHz | STMicroelectronics
N.º da peça: SPC564B74L7 ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $18.5 | $18,50 |
| 10 | $16.75 | $167,50 |
| 100 | $14.2 | $1.420,00 |
| 500 | $12.8 | $6.400,00 |
| 1.000 | $11.5 | $11.500,00 |
SPC564B74L7 Visão geral
A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory (flash and RAM), and programmable input/output peripherals on a single chip. MCUs are the brain of countless electronic products, from automotive engine control units (ECUs) to industrial automation controllers. The SPC564B74L7 belongs to the family of 32-bit MCUs, which offer higher performance and memory capacity compared to 8-bit or 16-bit counterparts, enabling more sophisticated software algorithms and real-time processing.
Key features of the SPC564B74L7 include a dual-core lockstep architecture for safety-critical applications, a rich set of communication interfaces (FlexCAN, LIN, SPI, I2C, UART), and advanced timer modules (eTPU, eMIOS) for precise motor control and timing. The MCU also integrates a 12-bit ADC with multiple channels, supporting high-resolution analog sensing. Its operating temperature range of -40°C to +125°C and AEC-Q100 qualification make it robust for harsh automotive environments.
Technically, the SPC564B74L7 leverages the Power Architecture e200z4 core, which is optimized for deterministic real-time execution. The lockstep dual-core configuration detects and corrects transient faults, enhancing system reliability for ISO 26262 ASIL-D compliance. The device includes a memory protection unit (MPU), error correction code (ECC) on flash and RAM, and a cyclic redundancy check (CRC) unit for data integrity. These features are critical for safety-critical applications where failure is not an option.
Typical applications include engine management systems, transmission control, electric power steering, battery management systems (BMS), and industrial motor drives. The MCU's high-speed processing and extensive peripheral set allow it to handle complex control algorithms, such as field-oriented control (FOC) for motors and real-time diagnostics.
When designing with the SPC564B74L7, ensure proper power supply decoupling with 100 nF capacitors close to each VDD pin and a bulk capacitor on the main supply. The device requires a stable 3.3V or 5V supply, and the internal regulator can be configured accordingly. For safety-critical applications, implement the lockstep mode and use the built-in self-test (BIST) features during startup to meet ISO 26262 requirements.
Alternativas drop-in para SPC564B74L7 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com SPC564B74L7 (mesmo formato e footprint) — diferindo em ADC, Flash Memory, RAM.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
SPC564B70L7
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
SPC564B74L7-Q1
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
SPC564B64L7
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$14.3182 / unidade
Ver ficha técnica →SPC564B74L7
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$11.5 / unidade
Ver ficha técnica →SPC564B74L7 Classificações máximas e características elétricas
| Core | e200z4 (Power Architecture) |
| Frequência máxima de clock | 150 MHz |
| Flash Memory | 4 MB |
| RAM | 256 KB |
| Encapsulamento | LQFP176 (24x24 mm) |
| Temperatura de operação | -40°C to +125°C |
| Tensão de alimentação | 3.3V to 5V |
| AEC-Q100 | Qualified |
| ADC | 12-bit, multiple channels |
| Communication Interfaces | FlexCAN, LIN, SPI, I2C, UART |
| Timer Modules | eTPU, eMIOS |
| DMA | Yes |
| Safety | Lockstep dual-core, MPU, ECC, CRC |
| RoHS | Compliant |
| Tipo de montagem | Surface Mount |
Configuração de pinos do SPC564B74L7
| Pino 1 | VDD — Digital power supply |
| Pino 2 | VSS — Digital ground |
| Pino 3 | PA0 — General purpose I/O |
| Pino 4 | PA1 — General purpose I/O |
| Pino 5 | PA2 — General purpose I/O |
| Pino 6 | PA3 — General purpose I/O |
| Pino 7 | VDD_HV — High voltage power supply |
| Pino 8 | VSS_HV — High voltage ground |
| Pino 9 | PB0 — General purpose I/O |
| Pino 10 | PB1 — General purpose I/O |
| Pino 11 | PB2 — General purpose I/O |
| Pino 12 | PB3 — General purpose I/O |
| Pino 13 | VDD — Digital power supply |
| Pino 14 | VSS — Digital ground |
| Pino 15 | PC0 — General purpose I/O |
| Pino 16 | PC1 — General purpose I/O |
| Pino 17 | PC2 — General purpose I/O |
| Pino 18 | PC3 — General purpose I/O |
| Pino 19 | VDD — Digital power supply |
| Pino 20 | VSS — Digital ground |
Aplicações típicas
SPC564B74L7 é adequado para 6 aplicaçãos: Engine Management System, Battery Management System (BMS), Electric Power Steering (EPS), Industrial Motor Drive, Transmission Control Unit (TCU), Aerospace Actuator Control.
Engine Management System
The SPC564B74L7's 150 MHz e200z4 core and 4 MB flash enable complex engine control algorithms, such as fuel injection timing and ignition control. Its FlexCAN interface allows seamless communication with other ECUs in the vehicle network. The lockstep dual-core architecture ensures safety-critical operation, meeting ISO 26262 ASIL-D requirements. The 12-bit ADC provides precise sensor readings for air-fuel ratio and throttle position, enabling optimal engine performance and emissions control. With a wide temperature range and AEC-Q100 qualification, it is designed for under-hood reliability.
Recomendado
Battery Management System (BMS)
In a BMS, the SPC564B74L7 monitors cell voltages, currents, and temperatures using its 12-bit ADC and multiple channels. The MCU's high-speed processing enables real-time state-of-charge (SoC) and state-of-health (SoH) estimation. Its FlexCAN interface communicates with the vehicle's central controller, while the lockstep core ensures fail-safe operation. The 4 MB flash stores calibration data and logging information. The device's -40°C to +125°C range suits the thermal variations in battery packs. The SPC564B74L7's safety features, including ECC and CRC, protect data integrity in critical battery management functions.
Recomendado
Electric Power Steering (EPS)
The SPC564B74L7 provides the computational power for EPS systems, processing torque sensor inputs and controlling the motor driver. Its eTPU and eMIOS timer modules generate precise PWM signals for the motor, enabling smooth and responsive steering assistance. The 12-bit ADC reads the torque sensor with high resolution, and the FlexCAN interface communicates with other vehicle systems. The lockstep dual-core architecture ensures that a single-point failure does not compromise steering safety. The MCU's 150 MHz clock allows for fast control loops, improving steering feel and stability. Its AEC-Q100 qualification guarantees reliability in automotive environments.
Recomendado
Industrial Motor Drive
For industrial motor drives, the SPC564B74L7 executes field-oriented control (FOC) algorithms at 150 MHz, enabling efficient and precise motor control. Its eTPU module generates high-resolution PWM signals, while the 12-bit ADC samples phase currents and DC bus voltage. The device's extensive communication interfaces (SPI, I2C, UART) allow integration with industrial networks. The lockstep core provides safety for machinery, and the wide temperature range supports harsh factory environments. The 4 MB flash stores complex control algorithms and diagnostic routines. The SPC564B74L7's deterministic execution ensures consistent performance in real-time control loops.
Recomendado
Transmission Control Unit (TCU)
The SPC564B74L7 manages gear shifting in automatic transmissions, processing inputs from speed sensors and solenoids. Its high-speed core and timer modules enable precise control of shift timing and clutch engagement. The FlexCAN interface communicates with the engine ECU and other modules. The lockstep dual-core architecture ensures fail-safe operation, critical for transmission safety. The 4 MB flash stores shift maps and adaptive learning data. The device's 12-bit ADC reads hydraulic pressure sensors, and its robust design withstands the vibration and temperature extremes of the transmission environment.
Recomendado
Aerospace Actuator Control
In aerospace applications, the SPC564B74L7 controls actuators for flight surfaces, requiring high reliability and real-time performance. Its lockstep dual-core architecture and ECC memory provide fault tolerance essential for safety-critical systems. The MCU's 150 MHz processing enables fast control loops for precise actuator positioning. The 12-bit ADC interfaces with position sensors, and the FlexCAN interface communicates with the flight control computer. The device's wide temperature range and AEC-Q100 qualification (though not aerospace-specific) ensure robust operation. The 4 MB flash stores complex control laws and redundancy management software.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para SPC564B74L7 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | SPC564B70L7 | SPC564B74L7-Q1 | SPC564B64L7 |
|---|---|---|---|---|
| Package | LQFP176 | LQFP176 | LQFP176 | LQFP176 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core | e200z4 | e200z4 | e200z4 | e200z4 |
| Max Clock Frequency | 150 MHz | 120 MHz | 150 MHz | 120 MHz |
| Flash Memory | 4 MB | 2 MB | 4 MB | 1.5 MB |
| RAM | 256 KB | 192 KB | 256 KB | 128 KB |
| AEC-Q100 | Qualified | Qualified | Qualified | Qualified |
| Safety Architecture | Lockstep dual-core | Lockstep dual-core | Lockstep dual-core | Lockstep dual-core |
Principais diferenciais
- Higher memory capacity (vs SPC564B70L7)
- Higher clock speed (vs SPC564B64L7)
- Automotive grade option (vs SPC564B74L7-Q1)
Notas de projeto
Ensure stable power supply by placing 100 nF decoupling capacitors close to each VDD pin and a 10 uF bulk capacitor on the main supply. The SPC564B74L7 operates from 3.3V to 5V; verify the internal regulator configuration for your supply voltage. Use separate analog and digital grounds to minimize noise coupling into the ADC.
For the LQFP176 package, follow the recommended PCB layout in the datasheet, including proper thermal pad connection to ground for heat dissipation. Keep high-speed communication traces (FlexCAN, SPI) impedance-matched and away from noisy power lines. Use a ground plane to reduce EMI and improve signal integrity.
Do not exceed the absolute maximum ratings for supply voltage and I/O pins. Ensure the reset circuit is properly designed with a pull-up resistor and capacitor to meet the required reset timing. For safety-critical applications, enable the lockstep mode and run built-in self-tests (BIST) at startup to detect faults early.
Informações de conformidade
RoHS compliant per STMicroelectronics product page. AEC-Q100 qualified for automotive applications.
