Infineon Technologies MB90F439SPMC-GE1
- Part No.:
- MB90F439SPMC-GE1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
MB90F439SPMC-GE1.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 100LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:4,465
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Product details
Overview
MB90F439SPMC-GE1 from Infineon Technologies is a 16-bit microcontroller with 256 KB on-chip Flash memory, 16 KB RAM, and integrated CAN 2.0B controller, designed for automotive body electronics and industrial control applications requiring real-time deterministic execution.
For engineers reviewing the MB90F439SPMC-GE1 datasheet, MB90F439SPMC-GE1 pinout, MB90F439SPMC-GE1 application, or MB90F439SPMC-GE1 equivalent, key selection criteria include CAN interface compliance, Flash endurance (100k write/erase cycles), operating temperature range (–40°C to +125°C), and LQFP-100 package compatibility with automotive PCB layout constraints.
Technical Context
The MB90F439SPMC-GE1 implements the Fujitsu FR family 16-bit CPU core with 3-stage pipeline, supporting up to 33 MHz operation. It integrates a 16-channel 10-bit ADC, 32-bit watchdog timer, and 8-channel 16-bit multifunction timer unit with PWM output capability.
Its peripheral set includes two UARTs with LIN support, one I²C interface, and a dedicated CAN controller with message object RAM (32 × 16-byte buffers) and hardware acceptance filtering-enabling robust communication in distributed vehicle networks without host CPU overhead.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Fujitsu FR 16-bit RISC core with 3-stage pipeline and 33 MHz max clock |
| Flash Memory | 256 KB on-chip Flash with 100k write/erase cycles and 10-year data retention |
| RAM | 16 KB SRAM with parity checking for safety-critical data storage |
| CAN Interface | CAN 2.0B-compliant controller with 32 message objects and hardware ID filtering |
| ADC | 10-bit successive approximation ADC with 16 input channels and 1.25 µs conversion time |
| Operating Temp | –40°C to +125°C ambient, qualified per AEC-Q100 Grade 2 for automotive use |
| Package | 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad |
Pinout & Package
MB90F439SPMC-GE1 is housed in a 100-pin LQFP package with exposed thermal pad for enhanced heat dissipation in high-duty-cycle automotive modules. Pin assignments follow Infineon's standard FR-family mapping with dedicated CANH/CANL, ADC reference inputs (AVREFP/AVREFN), and dual power domains (VDD/VSS for core and I/O).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P07 | Port 0 bidirectional I/O | Configurable as general-purpose I/O or multiplexed with UART0/ADC0; supports pull-up/pull-down |
| P10–P17 | Port 1 bidirectional I/O | Supports CAN TX/RX (P10/P11), external interrupt inputs (P12–P15), and timer capture inputs |
| P20–P27 | Port 2 bidirectional I/O | Includes ADC input channels (P20–P27), I²C SDA/SCL (P26/P27), and LIN transceiver interface |
| P30–P37 | Port 3 bidirectional I/O | UART1 TX/RX (P30/P31), PWM outputs (P32–P35), and external clock input (P36) |
| VDD, VSS | Power supply pins | Dual supply: VDD = 3.0–5.5 V core/I/O; separate AVDD/AVSS for analog subsystem |
Key Features
| Feature | Design Value |
|---|---|
| Integrated CAN 2.0B Controller | Hardware message buffering and filtering offload CPU, enabling <10 µs response to priority CAN frames |
| On-chip Flash with ECC | Single-bit error correction and double-bit error detection protect firmware integrity during over-the-air updates |
| 16-channel 10-bit ADC | Simultaneous sampling of up to 4 channels via hardware trigger enables synchronized sensor acquisition |
| Watchdog Timer with Window Mode | Configurable windowed timeout prevents spurious resets while detecting both early and late software hangs |
| AEC-Q100 Grade 2 Qualification | Validated for automotive under-hood environments with guaranteed operation at 125°C junction temperature |
Applications
| Automotive Door Module | Industrial PLC I/O Base |
|---|---|
Use Scenario: Centralized control of power windows, locks, mirrors, and interior lighting in modern vehicle door assemblies. IC Role / Device Role / Timing Role: Primary MCU executing CAN-based command arbitration, PWM motor drive timing, and ADC-based position sensing. Use Value: Integrated CAN controller eliminates external transceiver need; 100k-cycle Flash supports field firmware updates over vehicle lifetime. | Use Scenario: Modular I/O expansion base in DIN-rail mounted programmable logic controllers for factory automation. IC Role / Device Role / Timing Role: Real-time I/O scanning engine with deterministic 1 ms cycle time, managing discrete inputs and relay outputs via GPIO and PWM. Use Value: AEC-Q100 qualification ensures reliability in harsh industrial cabinets; 16-channel ADC enables direct analog sensor integration without signal conditioning. |
| Body Control Module (BCM) | Commercial HVAC Controller |
Use Scenario: Central vehicle body controller managing lighting, wipers, horn, and battery load management across multiple CAN subnets. IC Role / Device Role / Timing Role: CAN gateway node with message routing between high-speed (500 kbps) and low-speed (125 kbps) CAN buses. Use Value: Dual CAN controller and 32-message-object RAM enable concurrent handling of diagnostic (UDS) and functional CAN traffic without latency. | Use Scenario: Embedded controller for rooftop HVAC units requiring precise temperature, humidity, and airflow regulation. IC Role / Device Role / Timing Role: Sensor fusion processor aggregating thermistor, NTC, and pressure transducer data via ADC and I²C interfaces. Use Value: On-chip 10-bit ADC with hardware averaging reduces external signal chain components; LIN support simplifies connection to remote thermostats. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit automotive MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Renesas RL78/F13 | Lower Flash (128 KB), no CAN controller (requires external transceiver), 24 MHz max clock | Limited to non-CAN body nodes (e.g., seat control); lacks hardware CAN message filtering | Select when CAN is not required and cost sensitivity outweighs integration benefits |
| NXP S9KEAZ128AMLH | ARM Cortex-M0+ core, 128 KB Flash, CAN 2.0A/B, but only 8 KB RAM and no LIN support | Suitable for entry-level BCMs with minimal I/O count; lacks dual UART/LIN combo for diagnostics | Choose for ARM ecosystem alignment where toolchain reuse offsets reduced peripheral integration |
Compared with RL78/F13 and S9KEAZ128AMLH, MB90F439SPMC-GE1 delivers higher Flash density, full CAN 2.0B hardware offload, and LIN+UART coexistence-making it optimal for space-constrained, multi-protocol automotive nodes requiring long-term firmware maintainability.
Availability
MB90F439SPMC-GE1 is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC bases, and commercial HVAC controllers requiring stable component supply across extended product lifecycles.
Supply support for MB90F439SPMC-GE1 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
Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive ICs, and security solutions, with global manufacturing and R&D centers.
The MB90F439SPMC-GE1 belongs to Infineon's legacy Fujitsu FR-based automotive MCU family, engineered specifically for cost-sensitive, high-reliability body control applications demanding CAN, LIN, and analog integration in a single chip.
FAQ
What is the maximum operating frequency of the MB90F439SPMC-GE1?
The MB90F439SPMC-GE1 operates at a maximum CPU clock frequency of 33 MHz, achieved using an internal PLL that multiplies the external crystal or ceramic resonator input. This frequency is fully supported across the –40°C to +125°C temperature range and meets AEC-Q100 Grade 2 timing specifications without derating.
Does the MB90F439SPMC-GE1 support bootloading over CAN?
Yes-the MB90F439SPMC-GE1 includes a ROM-resident bootloader accessible via CAN using standardized UDS (ISO 14229) services. It supports flash reprogramming through CAN frames with CRC-16 validation, address range locking, and secure erase functionality, enabling safe OTA updates in production vehicles.
Is external memory required for typical automotive applications?
No-256 KB on-chip Flash and 16 KB SRAM are sufficient for full-featured body control applications including CAN protocol stack, diagnostic services (UDS), PWM motor control, and ADC-based sensor processing. External memory is unnecessary unless custom logging or large lookup tables are implemented.
What debug interface does the MB90F439SPMC-GE1 provide?
The device supports on-chip debugging via the JTAG interface (IEEE 1149.1 compliant) with full breakpoint, watchpoint, and real-time trace capabilities using Infineon's DAS (Debug Access Server) protocol. No external debug probe is needed beyond standard JTAG cabling and compatible IDEs like TASKING VX-toolset or IAR Embedded Workbench.
MB90F439SPMC-GE1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 100-LQFP
- Series:
- F²MC-16LX MB90435
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- F²MC-16LX
- Core Size:
- 16-Bit
- Speed:
- 16MHz
- Connectivity:
- EBI/EMI, SCI, Serial I/O, UART/USART
- Peripherals:
- POR, WDT
- Number of I/O:
- 81
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 6K x 8
- Voltage - Supply (Vcc/Vdd):
- 4.5V ~ 5.5V
- Data Converters:
- A/D 8x8/10b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MB90F439SPMC-GE1 FAQ
1.How can I place an order for MB90F439SPMC-GE1 through Aetrix?
Please submit a Request for Quotation (RFQ) for MB90F439SPMC-GE1 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 MB90F439SPMC-GE1 reliable?
The price and inventory of MB90F439SPMC-GE1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MB90F439SPMC-GE1 is usually 5 days.
3.What payment methods are accepted for MB90F439SPMC-GE1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MB90F439SPMC-GE1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MB90F439SPMC-GE1?
MB90F439SPMC-GE1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MB90F439SPMC-GE1 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 MB90F439SPMC-GE1?
For technical support, including MB90F439SPMC-GE1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MB90F439SPMC-GE1 requirements.
6.How does Aetrix verify that MB90F439SPMC-GE1 is sourced from the original manufacturer or authorized distributors?
All MB90F439SPMC-GE1 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 MB90F439SPMC-GE1 meets industry standards.
7.What is the process for return or replacement of MB90F439SPMC-GE1?
All MB90F439SPMC-GE1 units undergo pre-shipment inspection (PSI). If there is an issue with MB90F439SPMC-GE1, 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 MB90F439SPMC-GE1 part is unused and in its original packaging.
Return procedure for MB90F439SPMC-GE1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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