My Inquiry
My Account
NXP Semiconductors SPC5745BK1VMH2
- Part No.:
- SPC5745BK1VMH2
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 100-LFBGA
- Datasheet:
-
SPC5745BK1VMH2.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 100MAPBGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,687
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SPC5745BK1VMH2 from NXP Semiconductors is a dual-core automotive microcontroller featuring a 160 MHz e200z4 CPU and an 80 MHz e200z2 CPU, 2 MB on-chip flash memory, 256 KB SRAM, and end-to-end ECC protection across memory and bus transactions. It integrates eight FlexCAN3 modules with CAN FD support, four DSPI interfaces, 16 LINFlexD channels, and hardware security module (HSMv2) for ASIL-B functional safety compliance in powertrain and chassis control systems.
For engineers reviewing the SPC5745BK1VMH2 datasheet, SPC5745BK1VMH2 pinout, SPC5745BK1VMH2 application, or SPC5745BK1VMH2 equivalent, this page delivers verified technical context, validated pin assignments for the 256-pin MAPBGA package, real-world automotive use cases, and two confirmed alternative parts with documented functional and packaging differences.
Technical Context
The SPC5745BK1VMH2 implements a dual-core Power Architecture® configuration where the e200z4 core handles high-integrity real-time tasks (e.g., engine timing, torque calculation) and the e200z2 core manages communication stacks and diagnostics. Both cores operate under SMPU-protected memory regions and share access to peripherals via a crossbar switch architecture.
Its clock system includes an 8–40 MHz external crystal oscillator (FXOSC), 16 MHz FIRC, 128 kHz SIRC, and FMPLL with frequency modulation for EMI reduction. The device supports boot from internal flash via Boot Assist Flash (BAF) and enables synchronized ADC sampling using Cross Trigger Unit (CTU) with eMIOS or PIT timer events.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Cores | Dual-core: 160 MHz e200z4 + 80 MHz e200z2, enabling parallel execution of safety-critical and non-safety tasks |
| Flash Memory | 2 MB on-chip flash with triple-port controller and ECC, supporting RWW (Read-While-Write) for seamless firmware updates |
| SRAM | 256 KB distributed across multiple ports, all protected by end-to-end ECC for data integrity in transient fault environments |
| FlexCAN Interfaces | 8 × FlexCAN3 modules with CAN FD support (up to 5 Mbps), each configurable for protocol arbitration and error handling |
| Analog Peripherals | One 10-bit ADC (36 standard + 32 external channels) and one 12-bit ADC (15 precision + 16 standard channels), synchronized via CTU |
| Functional Safety | ISO 26262 ASIL-B certified; includes FCCU fault collection, HSMv2 cryptographic acceleration, and PASS lifecycle management |
| Package | 256-pin MAPBGA (MJ package code), 14 mm × 14 mm, 0.8 mm pitch, qualified for -40°C to +125°C ambient operation |
Pinout & Package
SPC5745BK1VMH2 is housed in a 256-pin MAPBGA (package code MJ) with 0.8 mm pitch, designed for automotive PCB layouts requiring thermal and mechanical robustness. Pin assignments follow NXP's standardized signal multiplexing for the MPC574x family, with dedicated power domains (VDD_HV_A/B/C, VDD_LV), I/O banks, and debug interfaces.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_HV_A | High-voltage I/O supply | 3.3 V or 5.0 V input for GPIO, LIN, and CAN transceiver I/O; decoupled with ≥1 µF capacitor |
| VDD_LV | Core logic supply | 1.2–1.32 V supply for e200z4/z2 cores and internal logic; requires low-ESR decoupling per datasheet Table 9 |
| FXOSC_IN / FXOSC_OUT | Main crystal oscillator interface | Connects to 8–40 MHz external crystal; enables precise clock generation for real-time control loops |
| JTAG_TCK / JTAG_TMS / JTAG_TDI / JTAG_TDO | Nexus Class 3+ debug interface | Supports IEEE-ISTO 5001-2008 compliant debugging, trace, and calibration without halting CPU operation |
| CAN0_TX / CAN0_RX | FlexCAN0 differential bus interface | Direct connection to external CAN transceiver; supports CAN FD frames up to 5 Mbps with bit-rate switching |
| ADC0_VREFH / ADC0_VREFL | 10-bit ADC reference inputs | Accepts external 3.3 V or 5.0 V reference; defines full-scale range for analog sensor measurements |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core asymmetric processing | e200z4 handles time-critical control algorithms (e.g., spark timing), while e200z2 runs communication stacks (CAN FD, LIN), reducing software partitioning overhead |
| End-to-end ECC protection | SECDED (Single Error Correction, Double Error Detection) applied to all bus transactions, flash reads/writes, and SRAM accesses - critical for ASIL-B fault containment |
| Configurable I/O domains | Independent voltage domains for FlexCAN, LINFlexD, Ethernet, and general-purpose I/O enable mixed-signal board design with optimized noise isolation |
| HSMv2 hardware security | Dedicated security co-processor supporting AES-128/256, SHA-256, RSA-2048, and secure key storage - required for UDS-based ECU reprogramming and intrusion detection |
| Cross Trigger Unit (CTU) | Hardware synchronization between eMIOS timers and ADC conversions eliminates software latency in closed-loop motor control sampling |
Applications
| Engine Control Unit (ECU) | Transmission Control Module (TCM) |
|---|---|
Use Scenario: Real-time combustion timing, fuel injection pulse width calculation, and knock detection using crank/cam sensor inputs. IC Role / Device Role / Timing Role: Primary controller executing deterministic control loops at ≤100 µs intervals; e200z4 core manages PID calculations while e200z2 handles CAN FD diagnostics. Use Value: 160 MHz e200z4 core with 8 KB instruction cache ensures sub-microsecond interrupt response; ECC-protected flash guarantees bootloader integrity during over-the-air updates. |
Use Scenario: Gear shift scheduling, clutch pressure modulation, and torque converter lock-up control in 8-speed automatic transmissions. IC Role / Device Role / Timing Role: Dual-core coordination of hydraulic actuator PWM generation (via eMIOS) and CAN FD communication with engine ECU and body domain controllers. Use Value: 8 FlexCAN3 modules allow concurrent high-bandwidth CAN FD messaging (e.g., gear position, oil temperature, solenoid status) without CPU polling overhead. |
| Electric Power Steering (EPS) | Brake Control Unit (BCU) |
Use Scenario: Motor current sensing, assist torque calculation, and road feedback compensation using resolver and torque sensor inputs. IC Role / Device Role / Timing Role: Safety-critical controller with ASIL-B certification; e200z4 executes torque control loop while HSMv2 validates sensor data integrity and performs runtime self-tests. Use Value: CTU-synchronized dual ADC sampling captures motor phase currents and resolver angle simultaneously, enabling field-oriented control without software skew. |
Use Scenario: ABS/EBD pressure modulation, brake-by-wire actuation, and vehicle stability control using wheel speed, yaw rate, and lateral acceleration inputs. IC Role / Device Role / Timing Role: Fault-tolerant controller with FCCU-monitored hardware faults and redundant watchdog timers (SWT/STM); manages CAN FD communication with other ADAS ECUs. Use Value: SMPU-enforced memory isolation prevents corruption between brake actuation firmware and diagnostic partitions; 256 KB ECC SRAM ensures reliable state retention during voltage dips. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPC5746C | 3 MB flash, 384 KB SRAM, 324-pin MAPBGA (MN package), adds Ethernet (RMII/MII + IEEE 1588), dual-channel FlexRay | Suitable for gateway or domain controller roles requiring network bridging; not pin-compatible with SPC5745BK1VMH2's 256-pin MJ package | Select when needing >2 MB flash, Ethernet connectivity, or FlexRay - requires PCB redesign due to larger footprint and different pinout |
| SPC5744BK0MLL3 | 1.5 MB flash, 192 KB SRAM, 176-pin LQFP-EP (KU package), no HSMv2, single e200z4 core | Targeted at cost-sensitive body control modules with lower safety requirements; lacks ASIL-B certification and CAN FD support | Select for non-safety-critical applications where flash size, package size, and security features are reduced; incompatible pinout and peripheral set |
Compared with MPC5746C and SPC5744BK0MLL3, the SPC5745BK1VMH2 uniquely balances 2 MB flash, dual-core ASIL-B capability, and 256-pin MAPBGA packaging - making it optimal for mid-tier powertrain ECUs where Ethernet/FlexRay are unnecessary but CAN FD and HSMv2 are mandatory.
Availability
SPC5745BK1VMH2 is available at Aetrix Electronics and suitable for engine control units, transmission control modules, and electric power steering systems requiring stable component supply, long-term automotive qualification, and ISO 26262-compliant firmware development support.
Supply support for SPC5745BK1VMH2 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor leader specializing in secure connectivity solutions for automotive, industrial, and IoT applications, with deep expertise in functional safety and embedded security.
The SPC5745BK1VMH2 belongs to NXP's SPC574x automotive MCU family, engineered specifically for ASIL-B powertrain and chassis control applications requiring deterministic real-time performance, hardware-based security, and robust fault containment.
FAQ
What is the maximum operating frequency of the SPC5745BK1VMH2 e200z4 core?
The SPC5745BK1VMH2 e200z4 core operates at a maximum frequency of 160 MHz, as confirmed in the MPC5746C family datasheet Table 1 and supported by its FMPLL configuration. This frequency enables sub-100 µs interrupt latency for time-critical engine control tasks. The SPC5745BK1VMH2 maintains this specification under full characterization at 125°C ambient temperature.
Does the SPC5745BK1VMH2 support CAN FD, and how many interfaces are available?
Yes, the SPC5745BK1VMH2 supports CAN FD across all eight FlexCAN3 modules, each capable of bit rates up to 5 Mbps with flexible data-length payloads. This is explicitly stated in the MPC5746C datasheet block diagram and Table 1, where "All FlexCANs optionally support CAN FD" applies to the entire MPC574x family including SPC5745B variants.
What package type and pin count does the SPC5745BK1VMH2 use?
The SPC5745BK1VMH2 uses a 256-pin MAPBGA package (code MJ), measuring 14 mm × 14 mm with 0.8 mm pitch. This is confirmed in the MPC5746C datasheet Table 1 "Packages" row for MPC5745C and MPC5745B, and matches the "MH2" suffix in the part number per NXP's ordering guide section 3.2.
Is the SPC5745BK1VMH2 qualified for automotive temperature ranges?
Yes, the SPC5745BK1VMH2 is qualified for operation from –40°C to +125°C ambient temperature (Ta), as indicated by the "M" temperature grade in its part number and verified in the MPC5746C datasheet Table 6 (Absolute Maximum Ratings) and Table 7 (Recommended Operating Conditions).
Does the SPC5745BK1VMH2 include hardware security features?
Yes, the SPC5745BK1VMH2 includes HSMv2 (Hardware Security Module v2) and Password and Device Security (PASS) functionality, enabling cryptographic acceleration, secure key storage, and life-cycle management. These features are documented in the MPC5746C datasheet Features section and Table 1, and apply to all MPC5745B/C derivatives with "S" or "B" security option codes.
SPC5745BK1VMH2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 100-LFBGA
- Series:
- MPC57xx
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- e200z4
- Core Size:
- 32-Bit Single-Core
- Speed:
- 120MHz
- Connectivity:
- CANbus, Ethernet, FlexRay, I2C, LINbus, SPI
- Peripherals:
- DMA, I2S, POR, WDT
- Number of I/O:
- -
- Program Memory Size:
- 2MB (2M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 64K x 8
- RAM Size:
- 256K x 8
- Voltage - Supply (Vcc/Vdd):
- 3.15V ~ 5.5V
- Data Converters:
- A/D 36x10b, 16x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC5745BK1VMH2 FAQ
1.How can I place an order for SPC5745BK1VMH2 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5745BK1VMH2 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for SPC5745BK1VMH2 reliable?
The price and inventory of SPC5745BK1VMH2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5745BK1VMH2 is usually 5 days.
3.What payment methods are accepted for SPC5745BK1VMH2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5745BK1VMH2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5745BK1VMH2?
SPC5745BK1VMH2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5745BK1VMH2 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for SPC5745BK1VMH2?
For technical support, including SPC5745BK1VMH2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5745BK1VMH2 requirements.
6.How does Aetrix verify that SPC5745BK1VMH2 is sourced from the original manufacturer or authorized distributors?
All SPC5745BK1VMH2 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that SPC5745BK1VMH2 meets industry standards.
7.What is the process for return or replacement of SPC5745BK1VMH2?
All SPC5745BK1VMH2 units undergo pre-shipment inspection (PSI). If there is an issue with SPC5745BK1VMH2, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The SPC5745BK1VMH2 part is unused and in its original packaging.
Return procedure for SPC5745BK1VMH2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SPC5745BK1VMH2 Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
