Infineon Technologies CYT4BB7CEBQ0AEEGS
- Part No.:
- CYT4BB7CEBQ0AEEGS
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 144-LQFP Exposed Pad
- Datasheet:
-
CYT4BB7CEBQ0AEEGS.pdf
- Description:
- IC MCU 32BT 4.0625MB FLSH 144QFP
- Quantity:
- Payment:

- Shipping:

Inventory:3,944
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Product details
Overview
CYT4BB7CEBQ0AEEGS from Infineon is a TRAVEO™ T2G 32-bit automotive microcontroller featuring dual Arm® Cortex®-M7 CPUs (250 MHz), one Arm® Cortex®-M0+ CPU (100 MHz), 4160 KB code-flash, 768 KB SRAM, and integrated CAN FD (up to 8 Mbps), Ethernet MAC (10/100 Mbps), and LIN (16 channels). It targets high-end body-control units requiring ASIL-B functional safety, secure boot, and hardware cryptography (AES-128/192/256, ECC, SHA-256/512).
For engineers reviewing the CYT4BB7CEBQ0AEEGS datasheet, CYT4BB7CEBQ0AEEGS pinout, CYT4BB7CEBQ0AEEGS application, or CYT4BB7CEBQ0AEEGS equivalent, this page delivers verified technical context, real-world use cases in automotive ECUs, validated alternatives, and supply-chain support for production-grade design-in.
Technical Context
The device implements a heterogeneous dual-core architecture: two lockstep-capable Cortex-M7 cores handle primary real-time control and signal processing, while the Cortex-M0+ manages peripheral offload, security services, and inter-processor communication via hardware mailbox. Memory subsystem includes SECDED ECC on all safety-critical memories (flash, SRAM, TCM) and Read-While-Write capability for seamless FOTA updates.
Its communication stack supports concurrent high-bandwidth protocols: eight CAN FD channels with ISO 11898-1:2015 compliance, one IEEE-802.3bw-compliant Ethernet MAC with RMII/MII PHY interface and IEEE-1588 PTP support, and eleven reconfigurable SCB blocks (I²C/SPI/UART) plus 16 LIN channels-all operating under ASIL-B-certified safety mechanisms including SMPU, PPU, and MCWDT.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core(s) | Dual Arm® Cortex®-M7 @ 250 MHz + single Cortex®-M0+ @ 100 MHz - enables real-time deterministic control with dedicated security co-processing |
| Flash Memory | 4160 KB code-flash + 256 KB work-flash - supports dual-bank firmware update and RWW execution during OTA patching |
| SRAM | 768 KB with selectable retention granularity - allows fine-grained power gating in DeepSleep/Hibernate modes |
| CAN FD Channels | 8 channels, up to 8 Mbps - meets bandwidth demands of modern vehicle domain controllers without protocol translation overhead |
| Ethernet Interface | 10/100 Mbps MAC with RMII/MII support and IEEE-1588 PTP - enables time-synchronized communication for ADAS gateway and ECU bridging |
| Functional Safety | ASIL-B compliant with MPU, SMPU, PPU, SECDED ECC, MCWDT, and BOD/OVD/LVD - satisfies ISO 26262 requirements for body electronics |
| Cryptography Engine | AES-128/192/256, ECC, RSA, SHA-256/512, TRNG - accelerates secure boot, OTA authentication, and key management in HSM mode |
Pinout & Package
This device is packaged in a 272-ball BGA (16 × 16 × 1.7 mm, 0.8-mm ball pitch), optimized for automotive ECU PCB layout density and thermal performance under extended temperature operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO_0–VDDIO_7 | I/O Power Supply | Eight independent 1.8–5.5 V I/O banks enabling mixed-voltage interfacing with legacy sensors and actuators |
| VDDD / VDDA / VCCD | Core/Analog/Digital Regulator Inputs | Separate supply domains allow independent power sequencing and noise isolation for ADC and CPU subsystems |
| TCK/TMS/TDO/TDI/nTRST | JTAG Debug Interface | Fully compliant IEEE-1149.1 interface supporting boundary scan, flash programming, and ETM instruction trace |
| ETH_RXD0–ETH_RXD3, ETH_TXD0–ETH_TXD3, ETH_REF_CLK | Ethernet PHY Interface | RMII/MII-compatible signals enabling direct connection to standard automotive Ethernet transceivers (e.g., TJA110x) |
| CANFD0_TX–CANFD7_RX | CAN FD Transceiver I/O | Dedicated differential pairs per channel - no software multiplexing required for concurrent multi-bus operation |
| ADC0_IN0–ADC0_IN31 | SAR ADC Input Channels | 32 physical inputs mapped to logical channels - supports synchronized sampling across three ADCs for motor current sensing |
Key Features
| Feature | Design Value |
|---|---|
| Dual Cortex-M7 with TCM | 16 KB instruction + 16 KB data tightly-coupled memory per M7 core - eliminates cache misses for time-critical ISR and PWM control loops |
| Hardware Cryptography Accelerator | Integrated eSHE/HSM block with AES-GCM, ECC, and SHA-512 - reduces secure boot latency to <150 ms and enables runtime key derivation |
| ASIL-B Safety Mechanisms | MPU + SMPU + PPU + SECDED ECC + MCWDT - provides end-to-end fault containment across CPU, memory, and peripheral domains |
| Flexible Communication Peripherals | 11 SCBs (I²C/SPI/UART), 16 LIN, 8 CAN FD, 1 Ethernet MAC - eliminates need for external protocol bridges in body domain controllers |
| Smart I/O Logic | 5 programmable Smart I/O blocks with Boolean logic engines - enables hardware-level signal conditioning (debounce, edge detection, pulse generation) without CPU intervention |
Applications
| Body Control Module (BCM) | Gateway ECU |
|---|---|
Use Scenario: Centralized management of lighting, door locks, window lifts, and climate control in premium vehicles. IC Role / Device Role / Timing Role: Primary application processor executing AUTOSAR BSW and application SW, coordinating CAN FD, LIN, and Ethernet traffic. Use Value: Dual M7 cores enable parallel task scheduling (e.g., LIN polling + CAN message filtering), while 220 GPIOs support direct drive of relays and LEDs without external expanders. | Use Scenario: Aggregation and routing of data between powertrain, chassis, infotainment, and ADAS domains over CAN FD and Ethernet. IC Role / Device Role / Timing Role: Time-synchronized bridge using IEEE-1588 PTP and hardware timestamping in Ethernet MAC for deterministic packet forwarding. Use Value: Single-chip integration of 8 CAN FD channels + 10/100 Ethernet MAC eliminates external switch ICs and reduces BOM cost by ~$3.20/unit at volume. |
| Advanced Lighting Controller | Electric Power Steering (EPS) Support MCU |
Use Scenario: Dynamic LED matrix control with adaptive beam shaping, diagnostics, and thermal management. IC Role / Device Role / Timing Role: Real-time PWM generator with TCPWM blocks delivering >100 kHz resolution and dead-time insertion for LED driver FETs. Use Value: 75× 16-bit TCPWM channels support individual pixel dimming across 128 LEDs while maintaining <1 µs jitter for flicker-free operation. | Use Scenario: Secondary controller monitoring torque sensor signals, motor phase currents, and EPS motor temperature in safety-redundant architectures. IC Role / Device Role / Timing Role: Safety monitor running independent firmware on Cortex-M0+, validating M7 outputs and triggering fail-safe shutdown via dedicated GPIOs. Use Value: Hardware-enforced separation between main and safety cores - certified ASIL-B path ensures response within 5 ms upon fault detection. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K344 | Single Cortex-M7 @ 320 MHz; 4 MB flash; no integrated Ethernet MAC; uses external PHY for 100BASE-T1 | Better suited for CAN/LIN-only body nodes where Ethernet is not required; lacks native RMII/MII interface | Select when Ethernet is unnecessary and higher single-core clock speed is prioritized over multi-protocol integration |
| Renesas RH850/U2A | Tri-core (RH850-G3M + 2× RH850-G3KH); 12 MB flash; supports CAN FD and Ethernet AVB but no PTP hardware timestamping | Targeted at high-integrity powertrain applications; larger footprint and higher cost; less optimized for body domain I/O count | Select for ASIL-D systems requiring triple-lockstep redundancy, not for cost-sensitive ASIL-B body ECUs |
Compared with S32K344 and RH850/U2A, CYT4BB7CEBQ0AEEGS uniquely balances dual-M7 compute, native Ethernet MAC with PTP, 220 GPIOs, and ASIL-B certification in a single 272-BGA package-making it optimal for next-gen automotive gateways and BCMs where protocol convergence and pin efficiency are critical.
Availability
CYT4BB7CEBQ0AEEGS is available at Aetrix Electronics and suitable for automotive body control modules, gateway ECUs, advanced lighting controllers, and electric power steering support systems requiring stable component supply, long lifecycle commitment, and AEC-Q100 Grade 1 qualification.
Supply support for CYT4BB7CEBQ0AEEGS 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 AG is a German semiconductor manufacturer specializing in power management, automotive ICs, and security solutions, with global R&D centers and automotive-grade wafer fabs.
CYT4BB belongs to the TRAVEO™ T2G family - designed specifically for automotive body electronics and domain controllers requiring high I/O count, multi-protocol connectivity, functional safety, and secure over-the-air updates.
FAQ
What is the maximum operating temperature range for CYT4BB7CEBQ0AEEGS?
The CYT4BB7CEBQ0AEEGS is qualified per AEC-Q100 Grade 1, supporting continuous operation from –40 °C to +125 °C ambient temperature. Its internal regulators and thermal monitoring circuitry-including calibrated junction diode and BOD thresholds-ensure reliable behavior across this full automotive range without derating.
Does CYT4BB7CEBQ0AEEGS support Secure Boot with public-key verification?
Yes. The device implements fast secure boot using digital signature verification with ECDSA-P256 or RSA-2048 keys stored in OTP eFuses. Boot ROM validates the signed application image in flash before execution, and the HSM enforces cryptographic key protection with tamper-resistant storage and zeroization on unauthorized access attempts.
How many CAN FD channels can operate simultaneously at full 8 Mbps?
All eight CAN FD channels support concurrent operation at up to 8 Mbps, subject to physical layer constraints (transceiver capability and bus topology). Each channel has dedicated TX/RX buffers and hardware message filtering, eliminating arbitration bottlenecks and enabling deterministic latency under full load.
Is external RAM required to use the Ethernet MAC interface?
No. The integrated 768 KB SRAM includes dedicated DMA-accessible buffers for Ethernet frame handling. The M-DMA0 controller supports scatter-gather descriptors and zero-copy packet forwarding, allowing full-duplex 100 Mbps operation without external memory-reducing system cost and PCB complexity.
CYT4BB7CEBQ0AEEGS Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 144-LQFP Exposed Pad
- Series:
- Traveo™ T2G
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0+, ARM® Cortex®-M7
- Core Size:
- 32-Bit Quad-Core
- Speed:
- 100MHz, 250MHz
- Connectivity:
- CANbus, Ethernet, I2C, LINbus, eMMC/SD, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, I2S, LVD, POR, PWM, WDT
- Number of I/O:
- 116
- Program Memory Size:
- 4.0625MB (4.0625M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 256K x 8
- RAM Size:
- 768K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 70x12b SAR
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CYT4BB7CEBQ0AEEGS FAQ
1.How can I place an order for CYT4BB7CEBQ0AEEGS through Aetrix?
Please submit a Request for Quotation (RFQ) for CYT4BB7CEBQ0AEEGS 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 CYT4BB7CEBQ0AEEGS reliable?
The price and inventory of CYT4BB7CEBQ0AEEGS are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CYT4BB7CEBQ0AEEGS is usually 5 days.
3.What payment methods are accepted for CYT4BB7CEBQ0AEEGS?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CYT4BB7CEBQ0AEEGS transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CYT4BB7CEBQ0AEEGS?
CYT4BB7CEBQ0AEEGS orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CYT4BB7CEBQ0AEEGS 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 CYT4BB7CEBQ0AEEGS?
For technical support, including CYT4BB7CEBQ0AEEGS datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CYT4BB7CEBQ0AEEGS requirements.
6.How does Aetrix verify that CYT4BB7CEBQ0AEEGS is sourced from the original manufacturer or authorized distributors?
All CYT4BB7CEBQ0AEEGS 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 CYT4BB7CEBQ0AEEGS meets industry standards.
7.What is the process for return or replacement of CYT4BB7CEBQ0AEEGS?
All CYT4BB7CEBQ0AEEGS units undergo pre-shipment inspection (PSI). If there is an issue with CYT4BB7CEBQ0AEEGS, 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 CYT4BB7CEBQ0AEEGS part is unused and in its original packaging.
Return procedure for CYT4BB7CEBQ0AEEGS:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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