SPC58NG84C3 - 32-bit Automotive MCU, 4MB Flash | STMicroelectronics
MPN: SPC58NG84C3 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $25.5 | $25.50 |
| 10 | $23.2 | $232.00 |
| 100 | $20.8 | $2,080.00 |
| 500 | $18.5 | $9,250.00 |
| 1,000 | $16.9 | $16,900.00 |
SPC58NG84C3 Overview
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. In the automotive domain, MCUs are the central processing units for electronic control units (ECUs), managing everything from engine timing to airbag deployment. The SPC58NG84C3 belongs to the SPC58 family, which is part of STMicroelectronics' broad portfolio of automotive microcontrollers, positioned between the SPC56 (older) and SPC58 (newer) generations, offering enhanced performance and security features.
Key features of the SPC58NG84C3 include a dual-core lockstep configuration for safety-critical applications, supporting ASIL-D (Automotive Safety Integrity Level D) per ISO 26262. It operates at a core frequency of up to 180 MHz, providing high computational throughput. The device integrates a hardware security module (HSM) for secure boot and cryptographic operations, essential for modern vehicle cybersecurity. It also includes advanced analog peripherals such as 12-bit ADCs, and a flexible timer module (eTPU) for precise motor control and engine management.
From a technical architecture perspective, the SPC58NG84C3 uses the Power Architecture e200z4 core, which is a 32-bit RISC architecture optimized for real-time deterministic execution. The dual-core lockstep configuration ensures that both cores execute the same instructions and compare results, detecting any faults and enabling fail-safe operation. The flash memory is organized into multiple banks, allowing read-while-write operations for firmware updates without halting the system. The device also supports a wide operating temperature range of -40°C to +150°C, making it suitable for under-hood automotive environments.
Typical applications include engine control units (ECUs), transmission control modules, battery management systems (BMS), and advanced driver-assistance systems (ADAS) domain controllers. The SPC58NG84C3's combination of high-speed processing, extensive connectivity, and functional safety features makes it a preferred choice for automotive OEMs and Tier-1 suppliers. Its compatibility with AUTOSAR (Automotive Open System Architecture) simplifies software development and integration.
When designing with the SPC58NG84C3, engineers must consider power supply decoupling, clock source selection, and thermal management. The device requires a stable 3.3V or 5V supply, and it is recommended to use a crystal oscillator or external clock for precise timing. Proper PCB layout with adequate ground planes and decoupling capacitors is essential to minimize noise and ensure reliable operation in harsh automotive environments.
Drop-in alternatives for SPC58NG84C3 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
SPC58NG80C3
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
SPC58NG84C3-Q1
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
SPC58NG84C3
✅ Drop-In✓ In Stock
$16.9 / Unit
View Datasheet →MPC5748G
⚡ Same Package ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
SPC58NG84C3 Maximum Ratings & Electrical Characteristics
| Core | e200z4 (Power Architecture) |
| Core Frequency | 180 MHz |
| Flash Memory | 4 MB |
| RAM | 512 KB |
| Operating Voltage | 3.3V to 5V |
| Operating Temperature | -40°C to +150°C |
| Package | LQFP-144 |
| Mounting Type | Surface Mount |
| Number of Pins | 144 |
| ADC Resolution | 12-bit |
| Communication Interfaces | CAN, LIN, FlexRay, Ethernet |
| Functional Safety | ASIL-D (ISO 26262) |
| Hardware Security Module | Yes |
| RoHS Status | Compliant |
SPC58NG84C3 Pin Configuration
| Pin 1 | VDD — Digital power supply |
| Pin 2 | VSS — Digital ground |
| Pin 3 | VDDA — Analog power supply |
| Pin 4 | VSSA — Analog ground |
| Pin 5 | XTAL — Crystal oscillator input |
| Pin 6 | EXTAL — Crystal oscillator output |
| Pin 7 | RESET — Reset input |
| Pin 8 | CAN0_TX — CAN0 transmit |
| Pin 9 | CAN0_RX — CAN0 receive |
| Pin 10 | LIN0_TX — LIN0 transmit |
| Pin 11 | LIN0_RX — LIN0 receive |
| Pin 12 | ETH_TX — Ethernet transmit |
| Pin 13 | ETH_RX — Ethernet receive |
| Pin 14 | FLX0_TX — FlexRay0 transmit |
| Pin 15 | FLX0_RX — FlexRay0 receive |
Typical Applications
SPC58NG84C3 is suitable for 6 applications: Engine Control Unit (ECU), Transmission Control Module (TCM), Battery Management System (BMS), ADAS Domain Controller, Body Control Module (BCM), Industrial Automation Controller.
Engine Control Unit (ECU)
The SPC58NG84C3 is ideal for engine control units due to its high-speed 180 MHz core, 4 MB flash for complex algorithms, and ASIL-D safety compliance. It manages fuel injection, ignition timing, and emissions control in real-time. The eTPU timer module provides precise PWM generation for actuators, while the CAN interface enables communication with other ECUs. Its wide temperature range (-40°C to +150°C) ensures reliable operation under hood. The hardware security module protects against unauthorized firmware modifications, critical for modern vehicles.
Recommended
Transmission Control Module (TCM)
The SPC58NG84C3 excels in transmission control modules, where precise timing and real-time control are essential. Its 180 MHz core and eTPU module enable accurate solenoid control for gear shifting. The FlexRay interface supports high-speed deterministic communication with other vehicle systems. With 4 MB flash, it can store complex shift maps and diagnostic routines. The device's ASIL-D certification ensures fail-safe operation, critical for transmission safety. Its robust CAN and LIN interfaces allow integration with the vehicle's network.
Recommended
Battery Management System (BMS)
The SPC58NG84C3 is well-suited for battery management systems in electric vehicles. Its 12-bit ADCs monitor cell voltages and temperatures with high accuracy. The CAN interface communicates with the vehicle's central controller. The hardware security module ensures secure authentication of battery packs. With ASIL-D safety, it can implement fail-safe shutdown in case of overcurrent or over-temperature. The 4 MB flash stores battery calibration data and state-of-charge algorithms. Its wide operating temperature range supports both cabin and battery pack environments.
Recommended
ADAS Domain Controller
The SPC58NG84C3 serves as a central processing unit in ADAS domain controllers, aggregating data from cameras, radar, and lidar. Its 180 MHz core and 4 MB flash handle sensor fusion algorithms. The Ethernet interface provides high-bandwidth data transfer to other domain controllers. The hardware security module ensures secure communication and protects against cyber attacks. ASIL-D compliance is essential for safety-critical functions like automatic emergency braking. The device's multiple CAN and LIN interfaces connect to various sensors and actuators.
Recommended
Body Control Module (BCM)
The SPC58NG84C3 is used in body control modules to manage lighting, windows, locks, and climate control. Its low-power modes and multiple communication interfaces (CAN, LIN) enable efficient control of distributed body electronics. The 4 MB flash stores configuration data and diagnostic routines. The device's robust I/O and timer modules drive relays and LEDs. Its wide temperature range and AEC-Q100 qualification ensure reliability in passenger compartments. The hardware security module protects against unauthorized access to vehicle functions.
Recommended
Industrial Automation Controller
Beyond automotive, the SPC58NG84C3 is suitable for industrial automation controllers requiring high reliability and real-time control. Its 180 MHz core and 4 MB flash handle complex PLC programs. The Ethernet interface supports industrial protocols like EtherCAT. The device's robust design and wide temperature range make it suitable for factory floors. The hardware security module ensures secure firmware updates. Its multiple timers and ADCs enable precise motor control and sensor interfacing.
Recommended
Recommended Products Summary
Engineering reference data for SPC58NG84C3 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | SPC58NG80C3 | SPC58NG84C3-Q1 | MPC5748G |
|---|---|---|---|---|
| Package | LQFP-144 | LQFP-144 - same | LQFP-144 - same | LQFP-144 - same |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | NXP Semiconductors |
| Core Frequency | 180 MHz | 180 MHz | 180 MHz | 160 MHz |
| Flash Memory | 4 MB | 2 MB | 4 MB | 2.5 MB |
| RAM | 512 KB | 256 KB | 512 KB | 384 KB |
| Functional Safety | ASIL-D | ASIL-D | ASIL-D | ASIL-D |
| Hardware Security Module | Yes | Yes | Yes | Yes |
| Ethernet Interface | Yes | Yes | Yes | Yes |
Key Differentiators
- Higher memory capacity (vs SPC58NG80C3)
- Automotive grade option (vs SPC58NG84C3-Q1)
- Higher core frequency (vs MPC5748G)
Design Notes
The SPC58NG84C3 requires a stable 3.3V or 5V supply. Use a low-dropout regulator (LDO) with adequate current capability, and place 100nF decoupling capacitors close to each VDD/VSS pair. For analog sections, use a separate analog supply (VDDA) with a ferrite bead to isolate digital noise.
The LQFP-144 package has a thermal resistance of approximately 40°C/W (theta_JA). At 180 MHz with all peripherals active, power dissipation can reach 1.5W, resulting in a 60°C temperature rise. Ensure adequate airflow or a heatsink for high-temperature environments. The device is rated for -40°C to +150°C junction temperature.
For reliable operation, use a multi-layer PCB with dedicated ground and power planes. Place the crystal oscillator and its load capacitors close to the XTAL/EXTAL pins. Route high-speed signals (Ethernet, FlexRay) with controlled impedance and keep them away from analog traces. Follow STMicroelectronics' layout guidelines in the datasheet.
Compliance Information
RoHS compliant per STMicroelectronics product page. AEC-Q100 qualified for automotive applications.
