SPC574K72E7 - 32-bit Power Architecture MCU, 2.5MB Flash | STMicroelectronics
부품 번호: SPC574K72E7 ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.75 | $167.50 |
| 100 | $14.9 | $1,490.00 |
| 500 | $13.2 | $6,600.00 |
| 1,000 | $11.85 | $11,850.00 |
SPC574K72E7 개요
A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory, and programmable input/output peripherals on a single chip. The SPC574K72E7 belongs to the Power Architecture family, which is a RISC-based instruction set architecture widely used in automotive and industrial control. This MCU sits within the broader hierarchy of embedded processors, serving as the central processing unit in systems such as engine control modules, transmission controllers, and industrial automation controllers.
Key features of the SPC574K72E7 include a dual-core e200z4 configuration (one core with lockstep capability for safety), a 10/100 Ethernet controller, multiple CAN (Controller Area Network) interfaces (up to 4 FlexCAN modules), and a 12-bit ADC with up to 64 channels. It also supports a wide operating voltage range of 3.3V to 5.0V, making it suitable for automotive battery environments. The device is AEC-Q100 qualified, ensuring reliability under extreme temperatures (-40°C to +125°C) and vibration.
From a technical architecture perspective, the SPC574K72E7 integrates a memory protection unit (MPU), a crossbar switch for efficient bus arbitration, and a DMA controller to offload data transfers from the CPU. The lockstep core provides error detection for safety-critical applications, aligning with ISO 26262 ASIL-B requirements. The MCU also includes a hardware security module (HSM) for secure boot and cryptographic operations, enhancing cybersecurity in connected vehicles.
Typical applications include automotive engine management, transmission control, body control modules, and industrial motor control. In engine management, the SPC574K72E7's high-speed ADC and PWM timers enable precise fuel injection and ignition timing. For industrial motor control, its dual-core architecture and Ethernet connectivity support real-time monitoring and remote diagnostics.
When designing with this MCU, ensure proper decoupling of the power supply pins with 100nF ceramic capacitors placed close to each VDD pin. The device requires a stable 3.3V or 5V supply, and the internal regulator can be configured for different voltage domains. Pay attention to the crystal oscillator layout to minimize noise, and use the recommended 40 MHz crystal for the PLL to achieve the maximum core frequency.
드롭인 대체품: SPC574K72E7 — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
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대체품 요청SPC574K72E7 최대 정격 & 전기적 특성
| Core | e200z4 (Power Architecture) |
| Core Frequency | 160 MHz |
| Flash Memory | 2.5 MB |
| RAM | 256 KB |
| 패키지 | LQFP-144 (20x20 mm) |
| Operating Voltage | 3.3V to 5.0V |
| 동작 온도 | -40°C to +125°C |
| Number of CAN Interfaces | 4 (FlexCAN) |
| Ethernet | 10/100 Mbps |
| ADC Resolution | 12-bit |
| ADC Channels | 64 |
| AEC-Q100 | Qualified |
| Core Architecture | 32-bit Power Architecture |
| Number of Cores | 2 (with lockstep) |
SPC574K72E7 핀 구성
| 핀 1 | VDD — Power supply (3.3V or 5V) |
| 핀 2 | VSS — Ground |
| 핀 3 | RESET — Reset input (active low) |
| 핀 4 | XTAL — Crystal oscillator input |
| 핀 5 | EXTAL — Crystal oscillator output |
| 핀 6 | CAN0_TX — CAN0 transmit |
| 핀 7 | CAN0_RX — CAN0 receive |
| 핀 8 | CAN1_TX — CAN1 transmit |
| 핀 9 | CAN1_RX — CAN1 receive |
| 핀 10 | ETH_TXD0 — Ethernet transmit data 0 |
| 핀 11 | ETH_RXD0 — Ethernet receive data 0 |
| 핀 12 | ADC0_CH0 — ADC channel 0 |
일반적인 애플리케이션
SPC574K72E7 적합 용도: 6 애플리케이션s: Automotive Engine Management, Transmission Control, Body Control Module, Industrial Motor Control, Chassis Control, Electric Power Steering.
Automotive Engine Management
The SPC574K72E7 is ideal for engine management systems, providing precise control of fuel injection and ignition timing. Its high-speed ADC (12-bit, 64 channels) and PWM timers enable real-time sensor processing and actuator control. The dual-core architecture with lockstep supports functional safety (ISO 26262 ASIL-B), ensuring reliable operation in safety-critical environments. The 2.5 MB flash memory accommodates complex control algorithms, while the 4 FlexCAN interfaces facilitate communication with other ECUs. The wide operating voltage (3.3V-5.0V) and AEC-Q100 qualification make it robust for automotive conditions.
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Transmission Control
In transmission control units (TCUs), the SPC574K72E7 manages gear shifting and clutch control. Its 160 MHz core and 256 KB RAM enable fast processing of sensor data and control loops. The 10/100 Ethernet interface supports diagnostics and over-the-air updates. The 12-bit ADC with 64 channels interfaces with pressure and speed sensors, while the FlexCAN modules communicate with the engine control unit. The lockstep core provides error detection for safety-critical functions, meeting ASIL-B requirements. The LQFP-144 package fits compact TCU designs.
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Body Control Module
The SPC574K72E7 serves as the central processor in body control modules (BCMs), managing lighting, windows, and door locks. Its multiple CAN interfaces enable communication with various subsystems. The 2.5 MB flash stores configuration data and diagnostics. The device's low-power modes and wide voltage range (3.3V-5.0V) are suitable for battery-powered applications. The AEC-Q100 qualification ensures reliability in automotive environments. The 144-pin LQFP package provides ample I/O for controlling numerous loads.
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Industrial Motor Control
For industrial motor control, the SPC574K72E7 provides high-performance processing for field-oriented control (FOC) of AC motors. Its dual-core architecture allows one core to handle control loops while the other manages communication. The 12-bit ADC with 64 channels samples phase currents and voltages. The PWM timers generate precise switching signals for IGBTs. The 10/100 Ethernet enables remote monitoring and diagnostics. The device's wide temperature range (-40°C to +125°C) and robust design make it suitable for harsh industrial environments.
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Chassis Control
The SPC574K72E7 is used in chassis control systems such as anti-lock braking (ABS) and electronic stability control (ESC). Its high-speed ADC and PWM timers enable rapid response to wheel speed sensors and brake actuators. The lockstep core provides safety redundancy for critical functions. The 4 FlexCAN interfaces communicate with other vehicle systems. The AEC-Q100 qualification and wide operating voltage ensure reliable operation in demanding conditions. The compact LQFP-144 package fits within space-constrained ECU designs.
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Electric Power Steering
In electric power steering (EPS) systems, the SPC574K72E7 controls the assist motor based on torque sensor inputs. Its 160 MHz core and 12-bit ADC enable precise torque measurement and motor control. The dual-core architecture with lockstep supports safety-critical steering functions. The 2.5 MB flash stores calibration data. The FlexCAN interfaces communicate with the vehicle network. The device's AEC-Q100 qualification and wide temperature range ensure reliable operation in automotive environments.
추천
추천 제품 요약
엔지니어링 참조 데이터: SPC574K72E7 — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | SPC574K72E7C6FAR | SPC574K72E7C6FAR | SPC574K72E7C6FAR |
|---|---|---|---|---|
| Package | LQFP-144 (20x20 mm) | eLQFP-176 (24x24 mm) | eLQFP-176 (24x24 mm) | eLQFP-176 (24x24 mm) |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core Frequency | 160 MHz | 160 MHz | 160 MHz | 160 MHz |
| Flash Memory | 2.5 MB | 2.5 MB | 2.5 MB | 2.5 MB |
| RAM | 256 KB | 256 KB | 256 KB | 256 KB |
| Operating Voltage | 3.3V to 5.0V | 3.3V to 5.0V | 3.3V to 5.0V | 3.3V to 5.0V |
| Number of CAN Interfaces | 4 | 4 | 4 | 4 |
| Ethernet | 10/100 Mbps | 10/100 Mbps | 10/100 Mbps | 10/100 Mbps |
주요 차별점
- Dual-core e200z4 with lockstep capability (vs SPC574K72E7C6FAR)
- LQFP-144 package for compact designs (vs SPC574K72E7C6FAR)
- AEC-Q100 qualified for automotive (vs SPC574K72E7C6FAR)
설계 노트
Ensure proper decoupling of the power supply pins with 100nF ceramic capacitors placed close to each VDD pin. The device requires a stable 3.3V or 5V supply. Use a bulk capacitor (e.g., 10uF) near the main power input to handle transient currents. The internal regulator can be configured for different voltage domains, so verify the configuration for your specific power scheme.
Pay attention to the crystal oscillator layout to minimize noise. Place the crystal and load capacitors as close to the XTAL and EXTAL pins as possible, with a ground plane underneath. Use the recommended 40 MHz crystal for the PLL to achieve the maximum core frequency. Keep the oscillator traces short and avoid routing other signals near them.
The SPC574K72E7 in LQFP-144 package dissipates heat through the leads and package body. For high-performance applications, ensure adequate airflow or a heatsink if the MCU is operating at high ambient temperatures. The thermal resistance (theta_JA) is typically around 40°C/W, so calculate the junction temperature for your power dissipation to avoid exceeding the maximum rating.
규정 준수 정보
AEC-Q100 qualified per STMicroelectronics. RoHS compliant. Lead-free. Halogen-free status not specified in provided data.
