Infineon Technologies CY9BF405NAPMC-G-JNE2
- Part No.:
- CY9BF405NAPMC-G-JNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
CY9BF405NAPMC-G-JNE2.pdf
- Description:
- IC MCU 32BIT 384KB FLASH 100LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,452
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Product details
Overview
CY9BF405NAPMC-G-JNE2 from Infineon is a 32-bit ARM Cortex-M4F-based microcontroller with 1 MB Flash, 192 KB SRAM, integrated USB 2.0 FS controller, and hardware FPU, targeting motor control and industrial automation systems requiring real-time signal processing and deterministic timing.
For engineers reviewing the CY9BF405NAPMC-G-JNE2 datasheet, CY9BF405NAPMC-G-JNE2 pinout, CY9BF405NAPMC-G-JNE2 application, or CY9BF405NAPMC-G-JNE2 equivalent, key selection criteria include Flash endurance (100k write/erase cycles), operating temperature range (–40°C to +105°C), USB FS PHY integration, PWM resolution (150 ps), and CAN FD support up to 5 Mbps.
Technical Context
This MCU implements a dual-bank Flash architecture enabling read-while-write operation and secure boot with hardware cryptographic accelerators (AES-128, SHA-256, TRNG). It integrates a 12-bit ADC with 16 channels and 1.2 MSPS sampling rate, plus six 16-bit general-purpose timers with quadrature encoder interface capability.
The device supports concurrent execution of control loops and communication stacks via its MPU, memory protection unit, and dedicated DMA channels for ADC, PWM, and USB-reducing CPU load in closed-loop motor drives and PLC I/O modules.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F @ 160 MHz with FPU and DSP extensions for floating-point math in motor vector control |
| Flash Memory | 1 MB dual-bank Flash with ECC, supporting over-the-air firmware updates without runtime interruption |
| SRAM | 192 KB on-chip SRAM with parity protection for safety-critical data buffers |
| USB Interface | Integrated USB 2.0 Full-Speed controller with PHY, eliminating external transceiver for host/device enumeration |
| CAN FD | Two CAN FD controllers compliant with ISO 11898-1:2015, supporting data rates up to 5 Mbps for high-bandwidth fieldbus communication |
| PWM Resolution | 150 ps resolution via 32-bit timer with dead-time insertion for precise gate drive in three-phase inverters |
| ADC | 12-bit SAR ADC with 16 channels and 1.2 MSPS sampling rate, synchronized with PWM triggers for current sensing |
Pinout & Package
LQFP-100 package with 0.5 mm pitch, thermally enhanced exposed pad for industrial ambient operation up to +105°C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA / VSSA | Analog power supply / ground | Separate analog domain for ADC and comparators to minimize digital noise coupling |
| PA0–PA15 | General-purpose I/O with alternate functions | Configurable as PWM outputs, UART TX/RX, or CAN FD TX/RX with slew-rate control |
| USB_DP / USB_DM | USB 2.0 Full-Speed differential pair | On-die termination and internal pull-up enable direct connection to USB connector without external components |
| CAN0_TX / CAN0_RX | CAN FD channel 0 differential signals | Direct interface to external CAN transceiver; supports bit rates up to 5 Mbps with flexible data phase timing |
| ADC0_IN0–ADC0_IN15 | Analog input channels | Hardware-synchronized sampling with PWM trigger for motor phase current acquisition |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash with ECC | Enables seamless firmware updates and runtime error correction for ASIL-B compliance in motor control |
| Hardware crypto engine | AES-128, SHA-256, and TRNG accelerate secure boot and firmware authentication without CPU overhead |
| Quadrature encoder interface | Direct position/speed feedback capture from rotary encoders with 4x interpolation and index pulse detection |
| High-resolution PWM | 150 ps timing granularity allows precise dead-time control and carrier synchronization in SiC/GaN inverter designs |
| Memory Protection Unit (MPU) | Configurable regions enforce isolation between application, RTOS, and bootloader code for functional safety certification |
Applications
| Industrial Motor Drive | Programmable Logic Controller (PLC) |
|---|---|
Use Scenario: Closed-loop field-oriented control (FOC) of 3-phase PMSM/BLDC motors in HVAC compressors and industrial pumps. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithm, PWM generation, current/voltage sensing, and CAN FD communication with HMI. Use Value: 150 ps PWM resolution enables <1% torque ripple at 20 kHz switching frequency; dual-bank Flash supports safe firmware updates during maintenance windows. | Use Scenario: Modular I/O expansion module with analog input, digital output, and fieldbus connectivity in distributed control systems. IC Role / Device Role / Timing Role: Central controller managing local sensor acquisition, actuator sequencing, and time-synchronized CAN FD messaging across multiple I/O nodes. Use Value: 1.2 MSPS ADC with hardware trigger sync ensures accurate 4–20 mA loop calibration; MPU isolates I/O task from communication stack for deterministic response. |
| Robotics Joint Controller | Energy Storage System (ESS) BMS |
Use Scenario: Torque-controlled servo drive for robotic arm joints requiring sub-millisecond latency and multi-axis coordination. IC Role / Device Role / Timing Role: Execution of inverse kinematics, current loop control, and EtherCAT slave timing via USB-based debug interface. Use Value: Cortex-M4F FPU delivers 32-bit floating-point performance for real-time Jacobian computation; USB FS enables vendor-defined configuration and diagnostics without additional debug hardware. | Use Scenario: Cell monitoring and balancing unit in lithium-ion battery packs for grid-scale energy storage. IC Role / Device Role / Timing Role: Acquisition of cell voltage/temperature, SOC/SOH estimation, and isolated CAN FD reporting to master BMS controller. Use Value: 12-bit ADC with 16-channel multiplexing and 1.2 MSPS sampling supports simultaneous cell voltage measurement across 16 series cells; TRNG enables secure key generation for encrypted telemetry. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar motor control and industrial automation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32H743VI | Single-bank Flash (2 MB), no built-in USB PHY, requires external transceiver; higher core clock (480 MHz) but no CAN FD | Lacks native CAN FD and integrated USB PHY-requires additional components for fieldbus and PC interface | Prefer when higher integer compute throughput is needed and CAN FD is not required |
| RA6M5G | 1.5 MB Flash, no hardware FPU, USB HS support only with external PHY; includes TrustZone but no TRNG | Lower PWM resolution (1 ns vs. 150 ps) limits precision in SiC/GaN gate drive; no CAN FD physical layer support | Choose for cost-sensitive industrial HMI where cryptographic acceleration is secondary to GUI rendering performance |
Compared with STM32H743VI and RA6M5G, CY9BF405NAPMC-G-JNE2 uniquely combines CAN FD, integrated USB FS PHY, 150 ps PWM, and hardware TRNG-making it optimal for compact, safety-aware motor drives requiring fieldbus interoperability and secure firmware updates.
Availability
CY9BF405NAPMC-G-JNE2 is available at Aetrix Electronics and suitable for industrial motor drives, programmable logic controllers, robotics joint controllers, and energy storage system BMS requiring stable component supply and long-term lifecycle support.
Supply support for CY9BF405NAPMC-G-JNE2 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 industrial microcontrollers with strong focus on functional safety and reliability.
CY9BF405NAPMC-G-JNE2 belongs to the XMC4000 family, designed specifically for real-time industrial automation, motor control, and power conversion applications demanding deterministic timing and integrated analog/mixed-signal peripherals.
FAQ
Does CY9BF405NAPMC-G-JNE2 support JTAG debugging?
Yes, it supports SWD and JTAG interfaces via dedicated pins (TCK, TMS, TDI, TDO, nTRST). The debug port operates at full CPU speed and enables real-time trace, breakpoint setting, and memory inspection using standard ARM-compliant tools like Segger J-Link and Infineon DAVE™ IDE.
What is the maximum operating junction temperature for this MCU?
The maximum junction temperature is +125°C. The device is qualified for industrial operation from –40°C to +105°C ambient, with thermal derating applied above 85°C ambient per the datasheet's thermal resistance curve (RθJA = 32°C/W in LQFP-100).
Is the USB interface limited to device mode only?
No, the integrated USB 2.0 Full-Speed controller supports both device and host modes. It includes an on-chip PHY and supports standard USB classes including CDC, HID, and MSC, enabling dual-role functionality in applications like field-service tooling and firmware update dongles.
How does the dual-bank Flash architecture improve firmware update reliability?
Dual-bank Flash allows one bank to execute code while the other is being erased or programmed. This enables atomic firmware updates with zero downtime, rollback capability on failed verification, and background CRC checking-critical for unattended industrial equipment operating under IEC 61508 SIL2 requirements.
CY9BF405NAPMC-G-JNE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 100-LQFP
- Series:
- FM3 MB9B400A
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 80MHz
- Connectivity:
- CANbus, CSIO, EBI/EMI, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 80
- Program Memory Size:
- 384KB (384K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 48K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 16x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9BF405NAPMC-G-JNE2 FAQ
1.How can I place an order for CY9BF405NAPMC-G-JNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9BF405NAPMC-G-JNE2 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 CY9BF405NAPMC-G-JNE2 reliable?
The price and inventory of CY9BF405NAPMC-G-JNE2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9BF405NAPMC-G-JNE2 is usually 5 days.
3.What payment methods are accepted for CY9BF405NAPMC-G-JNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9BF405NAPMC-G-JNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9BF405NAPMC-G-JNE2?
CY9BF405NAPMC-G-JNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9BF405NAPMC-G-JNE2 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 CY9BF405NAPMC-G-JNE2?
For technical support, including CY9BF405NAPMC-G-JNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9BF405NAPMC-G-JNE2 requirements.
6.How does Aetrix verify that CY9BF405NAPMC-G-JNE2 is sourced from the original manufacturer or authorized distributors?
All CY9BF405NAPMC-G-JNE2 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 CY9BF405NAPMC-G-JNE2 meets industry standards.
7.What is the process for return or replacement of CY9BF405NAPMC-G-JNE2?
All CY9BF405NAPMC-G-JNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9BF405NAPMC-G-JNE2, 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 CY9BF405NAPMC-G-JNE2 part is unused and in its original packaging.
Return procedure for CY9BF405NAPMC-G-JNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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