Infineon Technologies CYT4BFBCHDQ0BZEGS
- Part No.:
- CYT4BFBCHDQ0BZEGS
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 272-LFBGA
- Datasheet:
-
CYT4BFBCHDQ0BZEGS.pdf
- Description:
- IC MCU 32BT 8.1875MB FLSH 272BGA
- Quantity:
- Payment:

- Shipping:

Inventory:960
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
CYT4BFBCHDQ0BZEGS from Infineon is a TRAVEO™ T2G 32-bit automotive microcontroller featuring dual 350-MHz Arm® Cortex®-M7 CPUs and one 100-MHz Cortex®-M0+ CPU, 8384 KB code-flash, 1024 KB SRAM, and integrated CAN FD (up to 10 channels), Gigabit Ethernet MAC, FlexRay, and LIN interfaces. It targets high-end body-control units requiring ASIL-B functional safety, secure boot, and hardware cryptography acceleration.
For engineers reviewing the CYT4BFBCHDQ0BZEGS datasheet, CYT4BFBCHDQ0BZEGS pinout, CYT4BFBCHDQ0BZEGS application, or CYT4BFBCHDQ0BZEGS equivalent, this page delivers verified technical context, package mapping, real-world use cases in automotive domain controllers, and validated alternative options for ECU design continuity.
Technical Context
The device implements a heterogeneous multi-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 (SRAM, flash, TCM) and RWW flash supporting FOTA updates in dual-bank mode.
Clock and power management integrate IMO/ILO/ECO/WCO oscillators with PLL/FLL, plus five low-power modes (Active, Sleep, Low-power Sleep, DeepSleep, Hibernate) with configurable BOD thresholds (2.7 V / 3.0 V on VDDD/VDDA; 1.1 V on VCCD) and wakeup sources including 240 GPIOs, RTC alarms, and event generators.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core(s) | Dual 350-MHz Arm® Cortex®-M7 + single 100-MHz Cortex®-M0+ |
| Flash Memory | 8384 KB code-flash + 256 KB work-flash; supports Read-While-Write and dual-bank FOTA |
| SRAM | 1024 KB with selectable retention granularity for low-power state preservation |
| CAN FD Channels | Up to 10 channels compliant with ISO 11898-1:2015 and Bosch CAN FD v1.0 |
| Ethernet MAC | Two 10/100/1000 Mbps IEEE-802.3az-compliant interfaces with RGMII/GMII/MII/RMII PHY support |
| Functional Safety | ASIL-B compliant with SMPU, PPU, MCWDT, SECDED ECC, and clock/voltage supervision |
| Cryptography Engine | HSM with AES-128/192/256, SHA-512/256/160, RSA/ECC, TRNG, and GCM mode |
Pinout & Package
Package: 320-ball BGA, 17 mm × 17 mm × 1.7 mm max, 0.8-mm ball pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDD / VDDA | Core & Analog Power Supply | 2.7–5.5 V input; regulated internally to 1.1 V core supply with brown-out detection at 2.7 V / 3.0 V |
| VCCD | Digital I/O Supply | 1.1 V nominal; brown-out detection threshold at 1.1 V for I/O domain integrity |
| TCK / TMS / TDI / TDO | JTAG Debug Interface | IEEE-1149.1-compliant boundary scan and debug access; supports ETM instruction/data trace |
| SWDIO / SWCLK | Serial Wire Debug | Arm® SWD port for low-pin-count debug and programming via SWD interface |
| ETH_RXD[3:0] / ETH_TXD[3:0] | Gigabit Ethernet Data Lanes | RGMII interface pins supporting 1000 Mbps operation with precise timing alignment |
| CANFD0_TX / CANFD0_RX | CAN FD Channel 0 Differential Pair | Physical layer interface for up to 8 Mbps data rate; requires external CAN FD transceiver |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core lockstep support | Enables ASIL-B compliance through redundant M7 execution and hardware comparison logic |
| Hardware Security Module (HSM) | Offloads cryptographic operations (AES, SHA, RSA/ECC) from main cores, enabling secure boot and OTA firmware validation |
| Flexible TCPWM blocks | 102 × 16-bit + 16 × 32-bit timers supporting motor control PWM_DT, quadrature decoding, and synchronized ADC sampling |
| Runtime-reconfigurable SCBs | 11 serial communication blocks each configurable as UART, SPI, or I²C - no fixed peripheral pin assignment required |
| Smart I/O logic | Five programmable logic blocks performing Boolean operations on up to 36 GPIO_STD signals for hardware-level event filtering |
Applications
| Body Control Module (BCM) | Gateway ECU |
|---|---|
|
Use Scenario: Centralized vehicle body functions including door locks, lighting, window lift, and seat control. IC Role / Device Role / Timing Role: Primary controller executing real-time CAN FD messaging, LIN slave coordination, and secure firmware updates. Use Value: Dual M7 cores enable concurrent safety-critical actuation and diagnostics; HSM ensures authenticated FOTA without host CPU involvement. |
Use Scenario: Aggregation and routing of data between CAN FD, FlexRay, Ethernet, and LIN domains in zonal architectures. IC Role / Device Role / Timing Role: High-throughput gateway processor managing time-synchronized AVB/PTP traffic and protocol translation. Use Value: Two IEEE-802.3az Ethernet MACs with RGMII support enable deterministic 1 Gbps backbone connectivity; FlexRay V2.1 ensures fault-tolerant chassis communication. |
| Advanced Lighting Controller | Power Distribution Unit (PDU) |
|
Use Scenario: Adaptive front-lighting systems (AFS) with dynamic beam shaping and thermal monitoring. IC Role / Device Role / Timing Role: Real-time PWM generation for LED drivers, SAR ADC acquisition for temperature/current feedback, and CAN FD status reporting. Use Value: 15 × 16-bit motor-control timers deliver precise dead-time PWM; 12-bit SAR ADCs sample 99 channels at 1 Msps for closed-loop thermal regulation. |
Use Scenario: Smart 12 V/48 V power switching with load monitoring, short-circuit protection, and energy logging. IC Role / Device Role / Timing Role: Safety-monitored power manager using SMPU/PPU to isolate critical loads and enforce ASIL-B fault response. Use Value: Peripheral Protection Unit (PPU) enforces memory-mapped register access control per channel; SECDED ECC prevents silent corruption in power-state configuration registers. |
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 320-MHz Arm® Cortex®-M7 core; 8 MB flash; no integrated Ethernet MAC; supports CAN FD (up to 8 ch) and FlexRay | Lacks dual M7 lockstep and Gigabit Ethernet; optimized for chassis/safety ECUs rather than high-bandwidth gateways | Select when Ethernet is not required and cost-sensitive ASIL-B designs prioritize toolchain maturity over bandwidth |
| Renesas RH850/U2A | 400-MHz RH850 core (not Arm); 16 MB flash; 10 CAN FD ch; no integrated Ethernet; supports GbE only via external PHY + PCIe | Stronger legacy automotive software ecosystem; no native HSM-security relies on external SBC or discrete HSM | Prefer for brownfield programs migrating from RH850 legacy platforms where Arm ecosystem adoption is constrained |
Compared with NXP S32K344 and Renesas RH850/U2A, CYT4BFBCHDQ0BZEGS uniquely integrates dual lockstep M7 cores, two native Gigabit Ethernet MACs, and a certified HSM-enabling single-chip gateway, lighting, and PDU solutions with full ASIL-B evidence coverage and reduced BOM count.
Availability
CYT4BFBCHDQ0BZEGS is available at Aetrix Electronics and suitable for automotive body-control modules, zonal gateways, adaptive lighting systems, and smart power distribution units requiring stable component supply across extended production lifecycles.
Supply support for CYT4BFBCHDQ0BZEGS 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 and manufacturing infrastructure.
CYT4BF belongs to the TRAVEO™ T2G family, designed specifically for next-generation automotive domain controllers requiring ASIL-B compliance, high-speed interconnect consolidation (CAN FD/Ethernet/FlexRay), and hardware-accelerated security for over-the-air updates.
FAQ
What is the maximum CAN FD data rate supported by CYT4BFBCHDQ0BZEGS?
CYT4BFBCHDQ0BZEGS supports CAN FD up to 8 Mbps, compliant with ISO 11898-1:2015 and Bosch CAN FD Specification V1.0. The actual achievable rate depends on physical layer topology and external transceiver performance-not internal controller limitation. All 10 CAN FD channels share this capability.
Does CYT4BFBCHDQ0BZEGS include built-in Ethernet PHY functionality?
No. CYT4BFBCHDQ0BZEGS integrates two IEEE-802.3az-compliant Ethernet MACs but requires external PHY devices. It supports MII, RMII, GMII, and RGMII interfaces, with RGMII being the most common for 1000BASE-T implementations due to reduced pin count and timing margin advantages.
How is functional safety (ASIL-B) implemented in CYT4BFBCHDQ0BZEGS?
ASIL-B compliance is achieved through hardware-enforced mechanisms: Shared Memory Protection Unit (SMPU), Peripheral Protection Unit (PPU), Multi-Counter Watchdog Timer (MCWDT), SECDED ECC on SRAM/flash/TCM, voltage/clock supervision (LVD/BOD/OVD/CSV), and lockstep-capable dual Cortex®-M7 cores with hardware comparator. These are documented in Infineon's ISO 26262-certified safety manual.
Can CYT4BFBCHDQ0BZEGS execute code directly from external HyperBus™ memory?
Yes. The device supports Execute-In-Place (XIP) from external memory via its HyperBus™ interface, with on-the-fly encryption/decryption enabled by the integrated HSM. This allows secure expansion of executable code space beyond internal flash, essential for large automotive middleware stacks.
CYT4BFBCHDQ0BZEGS Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 272-LFBGA
- Series:
- Traveo™ T2G
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0+, ARM® Cortex®-M4F
- Core Size:
- 32-Bit Quad-Core
- Speed:
- 100MHz, 350MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, LINbus, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O:
- 220
- Program Memory Size:
- 8.1875MB (8.1875M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 256 x 8
- RAM Size:
- 1M x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 114x12b SAR
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CYT4BFBCHDQ0BZEGS FAQ
1.How can I place an order for CYT4BFBCHDQ0BZEGS through Aetrix?
Please submit a Request for Quotation (RFQ) for CYT4BFBCHDQ0BZEGS 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 CYT4BFBCHDQ0BZEGS reliable?
The price and inventory of CYT4BFBCHDQ0BZEGS are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CYT4BFBCHDQ0BZEGS is usually 5 days.
3.What payment methods are accepted for CYT4BFBCHDQ0BZEGS?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CYT4BFBCHDQ0BZEGS transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CYT4BFBCHDQ0BZEGS?
CYT4BFBCHDQ0BZEGS orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CYT4BFBCHDQ0BZEGS 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 CYT4BFBCHDQ0BZEGS?
For technical support, including CYT4BFBCHDQ0BZEGS datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CYT4BFBCHDQ0BZEGS requirements.
6.How does Aetrix verify that CYT4BFBCHDQ0BZEGS is sourced from the original manufacturer or authorized distributors?
All CYT4BFBCHDQ0BZEGS 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 CYT4BFBCHDQ0BZEGS meets industry standards.
7.What is the process for return or replacement of CYT4BFBCHDQ0BZEGS?
All CYT4BFBCHDQ0BZEGS units undergo pre-shipment inspection (PSI). If there is an issue with CYT4BFBCHDQ0BZEGS, 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 CYT4BFBCHDQ0BZEGS part is unused and in its original packaging.
Return procedure for CYT4BFBCHDQ0BZEGS:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
CYT4BFBCHDQ0BZEGS Tags

-
ATTINY4-TSHR
Microchip Technology

-
ATTINY10-TSHR
Microchip Technology

-
ATTINY10-TS8R
Microchip Technology

-
ATTINY202-SSNR
Microchip Technology

-
ATTINY202-SSFR
Microchip Technology

-
ATTINY402-SSNR
Microchip Technology

-
PIC16F15213T-I/MF
Microchip Technology

-
PIC16F15213-E/MF
Microchip Technology

-
PIC10F200T-I/OT
Microchip Technology

-
ATTINY412-SSNR
Microchip Technology

-
PIC10F202T-I/OT
Microchip Technology

-
ATTINY404-SSNR
Microchip Technology
Tech Hub
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…
Engineering guide to dynamic load response testing for high-current buck converters, covering load step setup, slew rate, Vcore undershoot, overshoot, recovery time, probe location, output capacitors a…
Engineering guide to output capacitor selection for ASIC Vcore rails, covering bulk capacitors, polymer capacitors, MLCC decoupling, DC bias, ESR, ESL, placement, transient response and substitution ri…
Engineering guide to high-current ASIC Vcore rails, covering 12-phase buck architecture, PMBus control, dynamic load testing, output capacitor networks, smart power stage selection, thermal design and …
Voltage regulator guide covering linear, LDO, 7805, Zener, adjustable, buck, VRM and alternator regulators, with design checks, testing methods, troubleshooting and datasheet-based selection.
Amplifier guide covering voltage, current and power amplification, gain, feedback, amplifier classes, audio and RF applications, op-amp circuits, transimpedance amplifiers, datasheet selection and trou…

