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Infineon Technologies CY8C4246FNI-D412T
- Part No.:
- CY8C4246FNI-D412T
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 25-UFBGA, WLCSP
- Datasheet:
-
CY8C4246FNI-D412T.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 25WLCSP
- Quantity:
- Payment:
- Shipping:
Inventory:2,235
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Product details
Overview
CY8C4246FNI-D412T from Infineon is a PSoC™ 4200L programmable system-on-chip featuring a 48 MHz Arm® Cortex®-M0 CPU, 256 kB flash, 32 kB SRAM, four opamps with comparator mode, and dual CAN controllers. It integrates programmable analog/digital blocks, capacitive sensing (CSD), and USB Full-Speed interface for embedded control in industrial HMI and automotive body electronics.
For engineers reviewing the CY8C4246FNI-D412T datasheet, CY8C4246FNI-D412T pinout, CY8C4246FNI-D412T application, or CY8C4246FNI-D412T equivalent, key selection criteria include Deep Sleep current (20 nA), 94 GPIO count with CAPSENSE™ support, TCPWM kill-signal triggering, and dual CAN 2.0B compliance for real-time networked control systems.
Technical Context
The device implements an Arm® Cortex®-M0 core with single-cycle multiply and DMA engine supporting 32 channels. Its analog subsystem includes four CTBm opamps operating in Deep Sleep at sub-μA quiescent current and two low-power comparators with flexible pin routing.
Digital resources comprise eight UDBs (each with 8 macrocells), four reconfigurable SCBs (I²C/SPI/UART), two independent CAN 2.0B controllers, and eight TCPWM blocks supporting center-aligned PWM and comparator-triggered kill signals for motor safety logic.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0 @ 48 MHz with single-cycle multiply for deterministic real-time control |
| Memory | 256 kB flash (with Read Accelerator) + 32 kB SRAM for firmware storage and runtime data buffering |
| Analog Blocks | 4 opamps (CTBm) with comparator mode, ADC input buffering, and Deep Sleep operation |
| Digital Peripherals | 2 CAN 2.0B controllers, 4 SCBs (reconfigurable I²C/SPI/UART), 8 TCPWM blocks with kill-signal support |
| Capacitive Sensing | 2 CSD blocks with >5:1 SNR, SmartSense™ auto-tuning, and water-tolerant operation |
| Power Modes | 20 nA Stop Mode with GPIO wakeup; Deep Sleep with LCD/CAPSENSE™ active |
| GPIO | Up to 94 programmable pins with configurable drive strength, slew rate, and CAPSENSE™/analog/digital roles |
Pinout & Package
Package: 68-pin QFN (9 mm × 9 mm, 0.5 mm pitch), thermally enhanced with exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO3 | I/O power supply rails | Independent 1.71–5.5 V domains per port group enable mixed-voltage interfacing |
| VDDD | Digital core supply | 1.71–5.5 V input powering CPU, memory, and digital peripherals |
| VREF | Analog reference input | External or internal 1.024 V reference for SAR ADC and opamp biasing |
| XRES | Active-low reset input | Asynchronous hardware reset with glitch filtering and internal pull-up |
| SWDCK/SWDIO | Debug interface signals | Two-pin SWD interface for programming and real-time debugging via MiniProg4 |
| CAN0_TX/CAN0_RX | CAN controller channel 0 | Differential CAN bus interface compliant with ISO 11898-1 physical layer |
| CAN1_TX/CAN1_RX | CAN controller channel 1 | Second independent CAN 2.0B channel for redundant or multi-bus architectures |
Key Features
| Feature | Design Value |
|---|---|
| Programmable Analog Subsystem | Four CTBm opamps with reconfigurable high-current drive, ADC input buffering, and comparator mode-enabling sensor signal conditioning and threshold detection without external components |
| Capacitive Sensing Engine | Two CSD blocks with hardware-accelerated sigma-delta conversion, >5:1 SNR, and SmartSense™ auto-calibration-supporting robust touch interfaces in wet or noisy environments |
| Dual CAN Controllers | Two independent CAN 2.0B modules with message RAM, FIFOs, and error counters-enabling fault-tolerant vehicle networking or industrial fieldbus integration |
| Deep Sleep Operation | 20 nA Stop Mode with GPIO wakeup and Deep Sleep with active CSD/LCD-extending battery life in portable or energy-harvesting applications |
| Reconfigurable Digital Logic | Eight UDBs (8 macrocells each) with Verilog synthesis support-allowing custom state machines, glue logic, or protocol accelerators without FPGA complexity |
Applications
| Industrial HMI Panels | Automotive Body Control Modules |
|---|---|
Use Scenario: Touch-enabled control panels in factory automation with proximity sensing and LED backlight dimming. IC Role / Device Role / Timing Role: Central MCU managing CAPSENSE™ buttons, driving segment LCD, generating PWM for backlight control, and communicating via CAN to PLCs. Use Value: Single-chip integration eliminates discrete opamps, comparators, and CAN transceivers-reducing BOM cost and PCB area by >35%. | Use Scenario: Door module controlling window lift, mirror fold, and interior lighting with moisture-resistant touch controls. IC Role / Device Role / Timing Role: Real-time CAN node handling LIN gateway functions, capacitive switch inputs, and PWM motor drivers for window actuation. Use Value: Dual CAN ports enable simultaneous communication with main BCM and sub-node sensors while maintaining <20 nA sleep current for battery drain compliance. |
| Smart Home Energy Monitors | Medical Patient Interface Devices |
Use Scenario: Wall-mounted energy display with capacitive touch, isolated RS-485 communication, and analog sensor front-end for current/voltage measurement. IC Role / Device Role / Timing Role: Signal acquisition hub performing SAR ADC sampling, CSD touch decoding, and UART-to-RS485 protocol translation via SCB. Use Value: Integrated opamps condition shunt-based current signals directly; on-chip comparators trigger overcurrent alerts without external interrupt circuitry. | Use Scenario: Bedside patient monitor with glove-compatible touch interface, audible alerts, and low-power standby mode. IC Role / Device Role / Timing Role: Low-power controller running CAPSENSE™ with water tolerance, driving piezo buzzer via TCPWM, and logging vitals to external SPI flash. Use Value: Deep Sleep mode with active CSD allows instant wake-on-touch while consuming <1 μA average-meeting IEC 60601-1 battery life requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4247LQI-BL483 | Same PSoC™ 4200L family; 124-ball VFBGA package, higher GPIO count (98), no USB interface | Better suited for space-constrained PCBs requiring maximum pin density and no USB connectivity | Select when board layout favors BGA and USB is unnecessary |
| STM32G474RET6 | Arm® Cortex®-M4F core, 170 MHz, no integrated CAPSENSE™ or programmable analog blocks | Requires external components for capacitive touch and analog signal conditioning | Select when floating-point math performance is critical and analog flexibility is handled externally |
Compared with CY8C4246FNI-D412T, CY8C4247LQI-BL483 offers higher pin density but lacks USB, while STM32G474RET6 delivers superior compute throughput but adds BOM cost and design complexity for analog/capacitive functions.
Availability
CY8C4246FNI-D412T is available at Aetrix Electronics and suitable for industrial HMI panels, automotive body control modules, smart home energy monitors, and medical patient interface devices requiring stable component supply and long-term lifecycle support.
Supply support for CY8C4246FNI-D412T 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 MCUs, and security solutions, with global R&D and manufacturing infrastructure.
CY8C4246FNI-D412T belongs to the PSoC™ 4200L product line, designed for cost-sensitive, low-power embedded systems requiring integrated analog, digital, and capacitive sensing capabilities in industrial and automotive applications.
FAQ
What debug interface does CY8C4246FNI-D412T support?
CY8C4246FNI-D412T uses a two-pin Serial Wire Debug (SWD) interface with SWDCK and SWDIO pins. It is fully compatible with Infineon's MiniProg4 programmer/debugger and supports real-time breakpoints, memory inspection, and flash programming without requiring JTAG pins or additional hardware.
Does CY8C4246FNI-D412T include hardware-based capacitive sensing?
Yes, it integrates two dedicated Capacitive Sigma-Delta (CSD) blocks with hardware-accelerated measurement, >5:1 SNR, and SmartSense™ auto-tuning. These blocks operate independently of the CPU, enabling low-latency touch response and concurrent background scanning during Deep Sleep mode.
Can the opamps in CY8C4246FNI-D412T drive external loads directly?
Yes, each of the four CTBm opamps supports programmable output drive strength up to 25 mA and can directly drive LEDs, small relays, or analog sensor excitation circuits. They retain functionality in Deep Sleep mode with typical quiescent current below 1 µA per opamp.
Is the CAN interface on CY8C4246FNI-D412T compliant with ISO 11898-1?
Yes, both CAN0 and CAN1 controllers implement full ISO 11898-1 compliant protocol stacks with bit timing configuration, automatic retransmission, and error frame generation. Physical layer compliance requires external CAN transceivers such as TJA1042 or SN65HVD230.
CY8C4246FNI-D412T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 25-UFBGA, WLCSP
- Series:
- PSOC™ 4 CY8C42xx - D
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0
- Core Size:
- 32-Bit Single-Core
- Speed:
- 48MHz
- Connectivity:
- I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART
- Peripherals:
- Brown-out Detect/Reset, Cap Sense, LCD, LVD, POR, PWM, SmartSense, WDT
- Number of I/O:
- 21
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 5.5V
- Data Converters:
- A/D 8x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C4246FNI-D412T FAQ
1.How can I place an order for CY8C4246FNI-D412T through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4246FNI-D412T 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 CY8C4246FNI-D412T reliable?
The price and inventory of CY8C4246FNI-D412T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4246FNI-D412T is usually 5 days.
3.What payment methods are accepted for CY8C4246FNI-D412T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4246FNI-D412T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4246FNI-D412T?
CY8C4246FNI-D412T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4246FNI-D412T 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 CY8C4246FNI-D412T?
For technical support, including CY8C4246FNI-D412T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4246FNI-D412T requirements.
6.How does Aetrix verify that CY8C4246FNI-D412T is sourced from the original manufacturer or authorized distributors?
All CY8C4246FNI-D412T 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 CY8C4246FNI-D412T meets industry standards.
7.What is the process for return or replacement of CY8C4246FNI-D412T?
All CY8C4246FNI-D412T units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4246FNI-D412T, 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 CY8C4246FNI-D412T part is unused and in its original packaging.
Return procedure for CY8C4246FNI-D412T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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