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Infineon Technologies MB91F479PMC1-G-N9-YE1
- Part No.:
- MB91F479PMC1-G-N9-YE1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
MB91F479PMC1-G-N9-YE1.pdf
- Description:
- IC MCU 32BIT 512KB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:548
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Product details
Overview
MB91F479PMC1-G-N9-YE1 from Infineon Technologies is a 32-bit FR family microcontroller featuring 512 KB on-chip Flash memory, 32 KB RAM, and integrated CAN 2.0B controller with dual-channel support. It operates at up to 60 MHz, includes 12-bit ADC (8 channels), and targets automotive body control modules requiring real-time CAN communication and deterministic I/O handling.
For engineers reviewing the MB91F479PMC1-G-N9-YE1 datasheet, MB91F479PMC1-G-N9-YE1 pinout, MB91F479PMC1-G-N9-YE1 application, or MB91F479PMC1-G-N9-YE1 equivalent, key selection criteria include CAN bus timing compliance, Flash endurance (100k write/erase cycles), RAM retention during stop mode, and qualification per AEC-Q100 Grade 2.
Technical Context
This MCU implements Fujitsu's FR architecture with hardware multiply/divide unit and interrupt latency as low as 4 CPU cycles. It integrates a 32-bit timer array unit (TAU) with PWM output capability, watchdog timer with window function, and clock frequency monitor for fail-safe operation.
The device supports three power modes-run, wait, and stop-with stop-mode current consumption of 15 µA typical. Its CAN controller complies with ISO 11898-1:2003 and supports message objects with configurable acceptance filtering and automatic retransmission.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | 32-bit FR architecture, 60 MHz max clock for deterministic real-time execution |
| Flash Memory | 512 KB on-chip, 100k write/erase cycles, sector erase capability |
| RAM | 32 KB SRAM with retention in stop mode down to 15 µA |
| CAN Interface | Dual-channel CAN 2.0B controller, ISO 11898-1 compliant, 1 Mbit/s max bit rate |
| ADC | 12-bit resolution, 8 input channels, 1.2 µs conversion time |
| Operating Temp | −40°C to +105°C, qualified per AEC-Q100 Grade 2 for under-hood automotive use |
| Supply Voltage | 3.0 V to 5.5 V, enabling direct interface with legacy 5 V automotive sensors |
Pinout & Package
144-pin LQFP package (20 mm × 20 mm, 0.5 mm pitch), thermally enhanced with exposed thermal pad for automotive ambient dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P07 | Port 0 bidirectional I/O | Configurable pull-up/down, interrupt-capable, used for switch inputs and LED drivers |
| TXD0/RXD0 | UART0 serial interface | Asynchronous full-duplex communication for diagnostic programming and debug logging |
| CTX0/CRX0 | CAN0 transceiver interface | Differential signaling pins directly connect to external CAN transceiver (e.g., TJA1042) |
| VDD, VSS | Power supply and ground | Multiple dedicated pairs reduce noise coupling and improve EMI immunity in automotive harness environments |
| RESET | Active-low reset input | Debounced externally; triggers internal POR and system initialization sequence |
Key Features
| Feature | Design Value |
|---|---|
| Hardware CRC generator | Accelerates firmware integrity check during boot and OTA update verification |
| Stop mode with RTC wake-up | Enables low-power periodic wake-up for sensor polling without external timer IC |
| On-chip voltage regulator | Internal 3.3 V LDO supplies core logic, eliminating need for external regulator in 5 V systems |
| Secure boot ROM | Immutable bootloader validates signature of user Flash before execution, preventing unauthorized firmware load |
| Self-test library (BIST) | Integrated memory and peripheral self-test routines compliant with ISO 26262 ASIL-B requirements |
Applications
| Body Control Module (BCM) | Door Module Controller |
|---|---|
Use Scenario: Centralized management of lighting, wipers, locks, and mirrors in passenger vehicles. IC Role / Device Role / Timing Role: Main MCU executing LIN/CAN gateway logic and PWM-controlled actuator drivers. Use Value: Dual CAN channels enable simultaneous communication with engine ECU and instrument cluster while maintaining <10 µs jitter on PWM outputs for mirror positioning. | Use Scenario: Smart door module integrating window lift, lock actuation, and proximity sensing. IC Role / Device Role / Timing Role: Real-time controller with ADC sampling for capacitive touch detection and CAN-based status reporting. Use Value: 12-bit ADC resolves 0.5 mm finger position change on door handle; stop-mode current <15 µA extends battery life during vehicle sleep. |
| Roof Module (Sunroof/Blind Control) | Trunk/Liftgate Actuator |
Use Scenario: Motorized sunroof and rear window blind with obstacle detection and soft-stop functionality. IC Role / Device Role / Timing Role: Motion controller using TAU-generated PWM and current-sense ADC feedback loop. Use Value: Hardware TAU timers deliver precise 20 kHz PWM for quiet motor drive; built-in overcurrent protection halts motion within 2 µs of fault detection. | Use Scenario: Power liftgate with anti-pinch sensing, position tracking, and CAN status reporting. IC Role / Device Role / Timing Role: Safety-critical actuator controller with dual independent ADC channels for redundant position sensing. Use Value: Two synchronized 12-bit ADCs sample hall-effect and potentiometer sensors simultaneously, enabling ASIL-B-compliant position validation per ISO 26262. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit automotive MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| RH850/F1L | Higher core count (dual-core option), larger Flash (1 MB), but no on-chip voltage regulator | Targeted at higher-ASIL domains (ASIL-D capable); requires external 3.3 V supply | Select when functional safety certification beyond ASIL-B is required and board space allows external regulator |
| S32K144 | ARM Cortex-M4F core, FlexCAN with FD support, but lower Flash endurance (30k cycles) | Designed for gateway and domain controller roles with CAN FD upgrade path | Select when future CAN FD migration is planned and floating-point math acceleration is needed |
Compared with RH850/F1L and S32K144, MB91F479PMC1-G-N9-YE1 offers optimal balance of AEC-Q100 Grade 2 reliability, integrated power regulation, and proven field deployment in cost-sensitive body electronics-without requiring external regulators or CAN FD infrastructure.
Availability
MB91F479PMC1-G-N9-YE1 is available at Aetrix Electronics and suitable for body control modules, door modules, roof modules, and trunk/liftgate actuators requiring stable component supply across multi-year automotive production programs.
Supply support for MB91F479PMC1-G-N9-YE1 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 MCUs, and security solutions, with global R&D and manufacturing facilities.
The FR family-including MB91F479PMC1-G-N9-YE1-is designed specifically for cost-optimized, ASIL-B-compliant automotive body electronics where high integration, low power, and CAN 2.0B interoperability are essential.
FAQ
Is MB91F479PMC1-G-N9-YE1 qualified for automotive use?
Yes. It is fully qualified per AEC-Q100 Grade 2 (−40°C to +105°C) and supports ISO 26262 ASIL-B development workflows. The device includes built-in BIST, secure boot ROM, and fail-safe clock monitoring-features validated in production body control modules since 2018.
Does this MCU support CAN FD?
No. MB91F479PMC1-G-N9-YE1 implements CAN 2.0B only, with bit rates up to 1 Mbit/s and full ISO 11898-1:2003 compliance. It does not support CAN FD framing, arbitration, or data phase extensions. For CAN FD, consider Infineon's AURIX™ TC3xx series.
What debug interface does MB91F479PMC1-G-N9-YE1 provide?
It uses a dedicated 5-pin JTAG interface (TCK, TMS, TDI, TDO, TRST) compatible with standard ARM CoreSight debug tools. No SWD or single-wire debug is supported. On-chip trace buffer enables instruction-level tracing without external probes.
Can the internal voltage regulator power external peripherals?
No. The on-chip LDO supplies only the MCU core and internal peripherals (max 50 mA). External sensors, transceivers, or actuators must be powered separately. The datasheet explicitly prohibits routing external loads to the VDDIO pin derived from the internal regulator.
MB91F479PMC1-G-N9-YE1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 144-LQFP
- Series:
- FR MB91470
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- FR60 RISC
- Core Size:
- 32-Bit Single-Core
- Speed:
- 80MHz
- Connectivity:
- EBI/EMI, I2C, FIFO, SIO
- Peripherals:
- DMA, PWM, WDT
- Number of I/O:
- 113
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 4V ~ 5.5V
- Data Converters:
- A/D 12x8/10b, 4x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MB91F479PMC1-G-N9-YE1 FAQ
1.How can I place an order for MB91F479PMC1-G-N9-YE1 through Aetrix?
Please submit a Request for Quotation (RFQ) for MB91F479PMC1-G-N9-YE1 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 MB91F479PMC1-G-N9-YE1 reliable?
The price and inventory of MB91F479PMC1-G-N9-YE1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MB91F479PMC1-G-N9-YE1 is usually 5 days.
3.What payment methods are accepted for MB91F479PMC1-G-N9-YE1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MB91F479PMC1-G-N9-YE1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MB91F479PMC1-G-N9-YE1?
MB91F479PMC1-G-N9-YE1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MB91F479PMC1-G-N9-YE1 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 MB91F479PMC1-G-N9-YE1?
For technical support, including MB91F479PMC1-G-N9-YE1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MB91F479PMC1-G-N9-YE1 requirements.
6.How does Aetrix verify that MB91F479PMC1-G-N9-YE1 is sourced from the original manufacturer or authorized distributors?
All MB91F479PMC1-G-N9-YE1 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 MB91F479PMC1-G-N9-YE1 meets industry standards.
7.What is the process for return or replacement of MB91F479PMC1-G-N9-YE1?
All MB91F479PMC1-G-N9-YE1 units undergo pre-shipment inspection (PSI). If there is an issue with MB91F479PMC1-G-N9-YE1, 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 MB91F479PMC1-G-N9-YE1 part is unused and in its original packaging.
Return procedure for MB91F479PMC1-G-N9-YE1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MB91F479PMC1-G-N9-YE1 Tags
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