MB9EF226PMC-GSE2 - 128MHz ARM Cortex-R4 MCU 2MB Flash | Infineon
MPN: MB9EF226PMC-GSE2 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.8 | $168.00 |
| 100 | $14.95 | $1,495.00 |
| 500 | $13.4 | $6,700.00 |
| 1,000 | $12.1 | $12,100.00 |
MB9EF226PMC-GSE2 Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory, and programmable peripherals. The MB9EF226PMC-GSE2 belongs to the Cortex-R4 family, which is optimized for deterministic real-time response rather than the application-processing focus of Cortex-A cores. Within the broader taxonomy, this device sits under MCU -> microcontroller -> embedded processor -> semiconductor IC, and within Infineon's automotive-safety portfolio it occupies the chassis/safety MCU segment.
Key features include a 32-bit ARM Cortex-R4 core running up to 128 MHz, 2 MB of on-chip flash, industrial temperature grade, and a 176-pin LQFP package per the Partstack LFQFP/SQUARE/GULL WING terminal form. The device supports automotive real-time control use cases such as electric power steering, brake systems, and chassis domain controllers. The automotive MCU classification indicates qualification for vehicle electrical-environment conditions.
The Cortex-R4 core delivers deterministic interrupt latency and tightly coupled memory, which is essential when the application must respond to a sensor input within microseconds. Combined with 2 MB of flash, the device can host a full real-time operating system plus application code without external memory expansion. The 176-pin LQFP provides abundant GPIO and peripheral pinout for motor-control PWM, CAN-FD, and analog front-end integration.
Typical applications include automotive electric power steering, electronic stability control, brake-by-wire systems, chassis domain ECUs, and industrial real-time controllers that benefit from the deterministic Cortex-R4 profile. The wide pin count supports parallel sensor interfaces and multi-axis motor control.
When designing with this MCU, allocate PCB thermal copper under the LQFP thermal pad and verify that the chosen debug probe (e.g. J-Link or Infineon DAP) matches the SWD/JTAG pinout. Always check the firmware version against the latest errata document before locking the design.
This page consolidates distributor pricing, drop-in alternatives, and practical design notes not found in the standalone datasheet, providing engineers with a single decision-ready reference.
Drop-in alternatives for MB9EF226PMC-GSE2 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MB9EF226PMC-GSE2 (same form factor and footprint) — differing in Core Architecture, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
CY9EF226PMC-GSE2
✅ Drop-In📋 Reference alternative (not in catalog)
MB9EF226PMC-GS-ERE2-A401
✅ Drop-In📋 Reference alternative (not in catalog)
MB9EF226PMC-GSE2-HTV
✅ Drop-In📋 Reference alternative (not in catalog)
MB9EF226PMC-GSE1
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MB9AF156MBPMC-G-JNE2
✅ Drop-In📋 Reference alternative (not in catalog)
MB9EF226PMC-GSE2 Maximum Ratings & Electrical Characteristics
| Manufacturer | Infineon (formerly Cypress Semiconductor) |
| Series | FCR4 MB9EF226 |
| Core | ARM Cortex-R4 |
| Core Architecture | RISC, 32-bit |
| Maximum CPU Frequency | 128 MHz |
| Program Memory Type | FLASH |
| Program Memory Size | 2 MB (2M x 8) |
| Supply Voltage | 1.2 V (core, per Hotenda listing) |
| Package | 176-LQFP (24 x 24 mm) |
| Terminal Form | GULL WING |
| Package Code | LFQFP |
| Package Shape | SQUARE |
| Number of Terminals | 176 |
| Temperature Grade | INDUSTRIAL |
| Application Category | Automotive MCU |
| Mounting Type | Surface Mount |
MB9EF226PMC-GSE2 square Pin Configuration Guide
Pin configuration for MB9EF226PMC-GSE2 (square package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for MB9EF226PMC-GSE2.
Refer to the datasheet for full pin configuration.
Typical Applications
MB9EF226PMC-GSE2 is suitable for 6 applications: Electric Power Steering (EPS) ECU, Electronic Stability Control (ESC) Module, Brake-by-Wire Domain Controller, Industrial Real-Time Motion Controller, Chassis Domain ECU / Body Controller, Automotive Sensor Fusion Hub.
Electric Power Steering (EPS) ECU
The MB9EF226PMC-GSE2's ARM Cortex-R4 deterministic core and 128 MHz clock deliver the bounded interrupt latency required for torque-vectoring loops in electric power steering. The 2 MB flash hosts a real-time control algorithm plus diagnostics without external memory, and the 176-LQFP exposes enough PWM channels and ADC inputs to drive a 3-phase BLDC steering motor. The automotive MCU qualification per Mouser listing aligns with chassis-environment electrical stress. Use the SWD debug port with an Infineon DAP probe for trace-based profiling of the steering control loop. Source: Mouser MB9EF226PMC-GSE2 listing and DigiKey CY9EF226PMC-GSE2.
Recommended
Electronic Stability Control (ESC) Module
ESC modules sample wheel-speed sensors and yaw at multi-kHz rates and must brake individual wheels within milliseconds; the MB9EF226PMC-GSE2's Cortex-R4 core provides deterministic response for this closed-loop safety task. The 2 MB flash stores the vehicle dynamics model plus ISO 26262 diagnostic libraries, and the 176-LQFP pinout supports the four-wheel independent brake actuators. The industrial temperature grade covers most chassis mounting locations; check the latest datasheet for under-hood variants. Source: Mouser MB9EF226PMC-GSE2 (Automotive MCU listing) and alldatasheet MB9EF226 entry.
Recommended
Brake-by-Wire Domain Controller
Brake-by-wire systems replace hydraulic links with redundant electronic control, demanding deterministic interrupt latency and high functional-safety margin. The MB9EF226PMC-GSE2's Cortex-R4 core with tightly coupled memory and 2 MB flash supports safety firmware plus sensor fusion on a single chip. The 176-LQFP provides the GPIO count needed to interface pedal-position sensors, hydraulic-pressure transducers, and multiple CAN-FD channels for redundancy. Pair the MCU with an Infineon CAN-FD transceiver and a watchdog supervisor. Source: DigiKey CY9EF226PMC-GSE2 entry.
Recommended
Industrial Real-Time Motion Controller
Outside automotive, the MB9EF226PMC-GSE2 fits industrial motion controllers that need deterministic response for multi-axis servo loops. The Cortex-R4 profile delivers microsecond-class interrupt latency, and the 2 MB flash hosts multi-axis trajectory planners plus fieldbus stacks. The 176-LQFP supports quadrature encoder inputs, multi-axis PWM outputs, and EtherCAT slave controllers. The industrial temperature grade suits factory-floor enclosures. Source: Partstack MB9EF226PMC-GSE2 listing (INDUSTRIAL grade).
Recommended
Chassis Domain ECU / Body Controller
Modern vehicles consolidate multiple chassis functions into a single domain ECU; the MB9EF226PMC-GSE2's 2 MB flash and 176-LQFP GPIO budget make it a strong candidate for a domain controller that aggregates suspension, steering, and braking data. The Cortex-R4 core runs the chassis domain firmware with predictable latency, while the package's GPIO supports multiple LIN, CAN, and sensor interfaces. Source: Mouser MB9EF226PMC-GSE2 (Automotive MCU) listing.
Recommended
Automotive Sensor Fusion Hub
The MB9EF226PMC-GSE2 acts as a sensor-fusion hub for IMU, wheel-speed, and steering-angle sensors in advanced chassis systems. Its Cortex-R4 deterministic core runs Kalman filters at deterministic intervals, and the 2 MB flash stores the fusion model plus calibration data. The 176-LQFP accepts SPI and parallel sensor buses alongside CAN-FD outputs to the domain controller. Source: DigiKey CY9EF226PMC-GSE2 description.
Recommended
Recommended Products Summary
Engineering reference data for MB9EF226PMC-GSE2 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | CY9EF226PMC-GSE2 | MB9EF226PMC-GS-ERE2-A401 | MB9EF226PMC-GSE2-HTV | MB9EF226PMC-GSE1 |
|---|---|---|---|---|---|
| Package | 176-LQFP (24x24 mm) | 176-LQFP (24x24 mm) - same | 176-LQFP - same | 176-LQFP - same | 176-LQFP - same |
| Brand | Infineon | Infineon (same) | Infineon (same) | Infineon (same) | Infineon (same) |
| Core | ARM Cortex-R4 | ARM Cortex-R4 | ARM Cortex-R4 | ARM Cortex-R4 | ARM Cortex-R4 |
| Maximum CPU Frequency | 128 MHz | 128 MHz | 128 MHz | 128 MHz | 128 MHz |
| Flash Memory | 2 MB | 2 MB | 2 MB | 2 MB | 2 MB |
| Ordering Code Suffix | GSE2 | GSE2 (Infineon prefix) | GS-ERE2-A401 (reel/firmware suffix) | GSE2-HTV (tape/reel variant) | GSE1 (firmware variant) |
| Temperature Grade | Industrial | Industrial | Industrial | Industrial | Industrial |
| Application Category | Automotive MCU | Automotive MCU | Automotive MCU | Automotive MCU | Automotive MCU |
Key Differentiators
- Infineon-branded successor already available with identical silicon (vs CY9EF226PMC-GSE2)
- Pin-compatible firmware variants within the same family (vs MB9EF226PMC-GS-ERE2-A401 / MB9EF226PMC-GSE2-HTV)
- Deterministic Cortex-R4 core for real-time chassis control (vs MB9AF156MBPMC-G-JNE2 (Cortex-M4))
Design Notes
Estimated: The 176-LQFP at 24x24 mm has a theta_JA around 35-40 C/W on a 4-layer JEDEC test board. At 128 MHz with all peripherals active the core power is typically under 1 W, giving a junction temperature rise of 35-40 C above ambient. For chassis-mounted enclosures with limited airflow, place a copper pour directly under the exposed pad and stitch thermal vias to inner planes. Always validate with a thermal probe on a worst-case firmware workload.
Route the SWD/JTAG signals (SWDIO, SWO, TCK, TMS, TDI, TDO, NRST) as short stubs to a 20-pin Cortex Debug connector. Keep the 32 kHz crystal traces under 5 mm with a guard ring to GND, and isolate the analog supply AVCC with a ferrite bead from the digital supply to minimise ADC noise coupling into the Cortex-R4 ADC channels used for current sensing.
Do not assume the MB9EF226 and CY9EF226 prefixes are different silicon - they are identical dies with different ordering codes. Avoid confusing the MB9EF226 (Cortex-R4) with the MB9AFxxx (Cortex-M) families which share the same package but require different firmware. Always confirm the errata document revision against the firmware you intend to ship, especially for safety applications.
Compliance Information
Compliance values are not stated in the distributor snippets provided. Automotive-grade Infineon MCUs are typically RoHS compliant; verify against the manufacturer's declaration of conformity before EU-market release.