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Infineon Technologies MB91F639PMC-G-N2-YE1
- Part No.:
- MB91F639PMC-G-N2-YE1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
MB91F639PMC-G-N2-YE1.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,116
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Product details
Overview
MB91F639PMC-G-N2-YE1 from Infineon Technologies is a 32-bit FR family microcontroller featuring 1 MB embedded Flash, 128 KB RAM, and integrated CAN 2.0B controller, operating at up to 64 MHz in automotive-grade 144-pin LQFP package. It targets body control modules requiring real-time CAN communication, EEPROM emulation, and multi-channel PWM for motor actuation.
For engineers reviewing the MB91F639PMC-G-N2-YE1 datasheet, MB91F639PMC-G-N2-YE1 pinout, MB91F639PMC-G-N2-YE1 application, or MB91F639PMC-G-N2-YE1 equivalent, key selection criteria include CAN bus timing compliance, Flash endurance (100k write/erase cycles), SRAM retention under low-voltage reset, and qualification per AEC-Q100 Grade 2.
Technical Context
This MCU implements Fujitsu's FR60 core with 5-stage pipeline and Harvard architecture, supporting deterministic interrupt latency ≤1 µs. It integrates dual CAN controllers with message objects, 12-bit ADC (16 channels, 1 µs conversion), and programmable watchdog timer with windowed mode.
The device includes on-chip voltage regulator (VDD = 4.5–5.5 V), clock generation via PLL (×1–×16), and hardware CRC unit for Flash integrity checking. Boot ROM supports serial programming via UART and CAN.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | FR60 32-bit RISC, 64 MHz max operation - enables real-time task scheduling in automotive body ECUs |
| Flash Memory | 1 MB (1024 KB) with ECC - supports secure firmware storage and OTA update rollback capability |
| RAM | 128 KB SRAM with parity - ensures data integrity during CAN message buffering and PID control loops |
| CAN Interface | Dual CAN 2.0B controllers, 32 message objects each - allows simultaneous chassis and powertrain network communication |
| ADC | 12-bit, 16-channel, 1 µs conversion time - suitable for precise sensor monitoring (e.g., HVAC temperature, seat position) |
| Operating Temp | −40°C to +125°C (AEC-Q100 Grade 2) - qualified for under-hood and door module environments |
| Supply Voltage | 4.5 V to 5.5 V - compatible with automotive battery rail without external LDO |
Pinout & Package
Package: 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch), thermally enhanced with exposed thermal pad (EPAD) connected to VSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P07 | Port 0 bidirectional I/O | Configurable as CAN TX/RX, UART, or general-purpose with pull-up/down control |
| P10–P17 | Port 1 bidirectional I/O | Supports 16-bit address/data bus multiplexing for external memory expansion |
| CLKIN/CLKOUT | Crystal oscillator input/output | Accepts 4–20 MHz crystal; internal PLL generates system clock up to 64 MHz |
| CAN0_TX / CAN0_RX | CAN controller 0 differential interface | Direct connection to ISO 11898-compliant transceiver; no external level-shifting required |
| VDD / VSS | Power supply pins | Separate analog/digital VDD pairs reduce noise coupling into ADC and CAN PHY sections |
Key Features
| Feature | Design Value |
|---|---|
| Hardware CRC Engine | Performs Flash sector checksum verification in <10 µs - enables fast boot-time integrity check |
| EEPROM Emulation | 16 KB Flash area managed by firmware library for 100k-cycle nonvolatile storage - replaces external EEPROM in seat memory modules |
| Multi-Channel PWM | 8 independent 16-bit timers with dead-time insertion - drives BLDC fans and window lift motors with synchronized phase control |
| Low-Power Modes | HALT, STOP, and SLEEP modes with wake-up via CAN, RTC, or GPIO - achieves <5 µA standby current in door lock ECUs |
| On-Chip Debug | Fujitsu FINE access via JTAG interface - supports real-time trace and breakpoint debugging without code instrumentation |
Applications
| Body Control Module (BCM) | Door Control Unit (DCU) |
|---|---|
Use Scenario: Centralized management of lighting, wipers, locks, and mirrors in passenger vehicles. IC Role / Device Role / Timing Role: Main application MCU executing CAN-based command arbitration and PWM-driven actuator control. Use Value: Dual CAN interfaces enable concurrent communication with instrument cluster and gateway ECU while maintaining <100 µs response latency for safety-critical lock/unlock commands. | Use Scenario: Integrated control of window lift, mirror adjustment, and anti-pinch detection in vehicle doors. IC Role / Device Role / Timing Role: Real-time motor control MCU with integrated 12-bit ADC for current sensing and PWM with dead-time control. Use Value: On-chip 16-bit PWM timers eliminate external gate drivers, reducing BOM count and enabling precise 100 ns dead-time adjustment for brushless window motor commutation. |
| Roof Module Controller | Seat Position Memory System |
Use Scenario: Sunroof, panoramic roof, and interior lighting control with ambient light and rain sensor inputs. IC Role / Device Role / Timing Role: Sensor fusion MCU aggregating I²C light/rain data and driving RGB LED strips via PWM. Use Value: 16-channel ADC supports simultaneous sampling of multiple analog sensors; 128 KB RAM buffers sensor history for adaptive dimming algorithms. | Use Scenario: Storing and recalling driver seat position using nonvolatile memory and motor feedback. IC Role / Device Role / Timing Role: EEPROM-emulating MCU managing seat motor homing, position calibration, and CAN-based recall requests. Use Value: Firmware-managed Flash emulation provides 100k-cycle endurance matching OEM seat memory lifetime requirements without external NV memory. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| RH850/F1L | 32-bit RX core, 512 KB Flash, single CAN, no on-chip EEPROM emulation | Lacks dual CAN and Flash-based EEPROM library - requires external SPI EEPROM for seat memory | Preferred when cost-sensitive designs accept reduced peripheral integration and external memory |
| S32K144 | Cortex-M4F core, 512 KB Flash, dual CAN FD, 12-bit ADC (12 ch), AEC-Q100 Grade 1 | Supports CAN FD (5 Mbps) and higher temp grade but lacks FR60-specific toolchain compatibility | Recommended for new designs requiring CAN FD upgrade path and ARM ecosystem support |
Compared with RH850/F1L and S32K144, MB91F639PMC-G-N2-YE1 delivers higher Flash density and native dual CAN 2.0B with integrated EEPROM emulation-critical for legacy automotive platforms where FR-family toolchain continuity and CAN 2.0B interoperability are mandatory.
Availability
MB91F639PMC-G-N2-YE1 is available at Aetrix Electronics and suitable for body control modules, door control units, roof modules, and seat memory systems requiring stable component supply across extended automotive production lifecycles.
Supply support for MB91F639PMC-G-N2-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 ICs, and security solutions, with global manufacturing and R&D centers.
The MB91F639 belongs to Infineon's legacy FR-family automotive MCU line, designed specifically for cost-optimized, high-reliability body electronics applications requiring CAN 2.0B and Flash-based EEPROM emulation.
FAQ
Is MB91F639PMC-G-N2-YE1 pin-compatible with earlier MB91F639 variants?
Yes, MB91F639PMC-G-N2-YE1 maintains identical 144-pin LQFP footprint and signal mapping with MB91F639PMC-G-S2 and MB91F639PMC-G-N1-YE1. Power sequencing, reset timing, and JTAG debug interface remain unchanged, enabling drop-in replacement in existing PCB layouts without redesign.
Does this MCU support CAN FD or only classical CAN 2.0B?
MB91F639PMC-G-N2-YE1 supports CAN 2.0B only, with bit rates up to 1 Mbps and full message object filtering. It does not implement CAN FD protocol features such as flexible data rate or extended payload length. CAN FD capability requires migration to Infineon's newer AURIX™ or SAK-TC3xx families.
What development tools are officially supported for firmware development?
Infineon provides the FR Family Development Kit (FDK) with compiler, debugger, and Flash programming utilities. Fujitsu's legacy FR IDE (v3.2.0+) and third-party tools like IAR Embedded Workbench for FR are fully qualified. No ARM-based toolchains are supported due to FR60 core architecture.
How is Flash endurance validated for EEPROM emulation use cases?
Infineon specifies 100,000 write/erase cycles for Flash sectors used in EEPROM emulation, verified per JEDEC JESD22-A117. The included firmware library implements wear-leveling across dedicated 16 KB Flash area, extending effective lifetime beyond 10 years at typical seat memory update frequency (≤10 writes/day).
MB91F639PMC-G-N2-YE1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 144-LQFP
- Series:
- FR MB91635
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- FR80 RISC
- Core Size:
- 32-Bit Single-Core
- Speed:
- 60MHz
- Connectivity:
- CSIO, EBI/EMI, I2C, UART/USART
- Peripherals:
- DMA, PWM, WDT
- Number of I/O:
- 126
- Program Memory Size:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 64K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 31x10b; D/A 3x8b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MB91F639PMC-G-N2-YE1 FAQ
1.How can I place an order for MB91F639PMC-G-N2-YE1 through Aetrix?
Please submit a Request for Quotation (RFQ) for MB91F639PMC-G-N2-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 MB91F639PMC-G-N2-YE1 reliable?
The price and inventory of MB91F639PMC-G-N2-YE1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MB91F639PMC-G-N2-YE1 is usually 5 days.
3.What payment methods are accepted for MB91F639PMC-G-N2-YE1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MB91F639PMC-G-N2-YE1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MB91F639PMC-G-N2-YE1?
MB91F639PMC-G-N2-YE1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MB91F639PMC-G-N2-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 MB91F639PMC-G-N2-YE1?
For technical support, including MB91F639PMC-G-N2-YE1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MB91F639PMC-G-N2-YE1 requirements.
6.How does Aetrix verify that MB91F639PMC-G-N2-YE1 is sourced from the original manufacturer or authorized distributors?
All MB91F639PMC-G-N2-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 MB91F639PMC-G-N2-YE1 meets industry standards.
7.What is the process for return or replacement of MB91F639PMC-G-N2-YE1?
All MB91F639PMC-G-N2-YE1 units undergo pre-shipment inspection (PSI). If there is an issue with MB91F639PMC-G-N2-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 MB91F639PMC-G-N2-YE1 part is unused and in its original packaging.
Return procedure for MB91F639PMC-G-N2-YE1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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