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Infineon Technologies CY8C4127AXI-S453
- Part No.:
- CY8C4127AXI-S453
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 44-LQFP
- Datasheet:
-
CY8C4127AXI-S453.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 44TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,135
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Product details
Overview
CY8C4127AXI-S453 from Infineon Technologies (acquired Cypress Semiconductor) is a PSoC 4100S Plus programmable system-on-chip featuring a 48-MHz Arm Cortex-M0+ CPU, 128 KB flash, 16 KB SRAM, integrated CapSense capacitive sensing, CAN 2.0B interface, and programmable analog/digital blocks - deployed in industrial HMI, smart sensor nodes, and low-power motor control systems.
For engineers reviewing the CY8C4127AXI-S453 datasheet, CY8C4127AXI-S453 pinout, CY8C4127AXI-S453 application, or CY8C4127AXI-S453 equivalent, key selection criteria include Deep Sleep current (2.5 µA), CapSense SNR (>5:1), CAN TTCAN support, 54 GPIO flexibility, and SWD debug compatibility with Arm-standard tools.
Technical Context
The device integrates a single-core Arm Cortex-M0+ with tightly coupled flash accelerator and 8-channel DMA, enabling deterministic real-time control while maintaining sub-35 µs wake-up from Deep Sleep. Its clock architecture combines IMO (±2%), WCO (32 kHz), ECO (4–33 MHz), and PLL to generate stable 48-MHz system clock with glitch-free switching.
Analog subsystem includes two opamps operable in Deep Sleep, a 12-bit 1-Msps SAR ADC with channel sequencer and averaging, dual IDACs for CapSense or analog output, and two low-power comparators - all routed through a programmable high-speed I/O matrix supporting any-pin CapSense or analog input.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0+, 48 MHz - delivers deterministic real-time execution with single-cycle multiply for motor control loops and sensor fusion. |
| Memory | 128 KB flash (with Read Accelerator), 16 KB SRAM - enables firmware updates in-field and buffer-intensive CapSense or communication stacks. |
| Power Modes | Deep Sleep: 2.5 µA digital + operational analog - supports battery-powered touch interfaces with multi-year runtime. |
| CapSense Performance | SNR >5:1, water-tolerant CSD engine with SmartSense auto-tuning - eliminates manual calibration in consumer appliance touch panels. |
| CAN Interface | CAN 2.0B with Time-Triggered CAN (TTCAN) support - meets deterministic timing requirements for industrial actuator networks. |
| ADC | 12-bit SAR, 1 Msps, differential/single-ended, hardware-averaged sequencing - captures fast transients in motor current sensing or power monitoring. |
| GPIO | Up to 54 programmable pins with configurable drive strength, slew rate, and CapSense/analog/digital mode - simplifies PCB layout by eliminating external level shifters or routing constraints. |
Pinout & Package
Package: 44-pin TQFP (0.8 mm pitch), RoHS-compliant, surface-mount. Thermal pad not present; standard JEDEC MS-026AC footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0[0]–P0[7] | Port 0 GPIO / CapSense / Analog Input / SCB0 SDA/SCL | First 8 pins support simultaneous CapSense button scanning and I²C slave interface without external components. |
| P1[0]–P1[7] | Port 1 GPIO / TCPWM / CAN_RX / CAN_TX | Dedicated CAN physical layer signaling on P1[0]/P1[1]; enables direct connection to ISO 11898-2 transceiver. |
| P2[0]–P2[7] | Port 2 GPIO / ADC VREF / Opamp Output / IDAC | Internal reference and analog output routing allows self-calibrating sensor front-end with no external VREF IC. |
| SWDCK / SWDIO | Serial Wire Debug Clock / Data | Two-pin debug interface compatible with CMSIS-DAP, J-Link, and MiniProg3 - enables full chip debug in production firmware. |
| VDD / VSS | Power Supply / Ground | Single 1.71–5.5 V supply rail; internal LDO regulates core voltage - eliminates need for external DC/DC or LDO in space-constrained designs. |
Key Features
| Feature | Design Value |
|---|---|
| Programmable Analog Blocks | Two opamps + SAR ADC + dual IDACs + LP comparators - enable mixed-signal signal conditioning (e.g., current sense amplification + filtering + digitization) entirely on-die. |
| CapSense Sigma-Delta (CSD) | Hardware-accelerated touch sensing with >5:1 SNR and automatic SmartSense tuning - reduces firmware overhead and improves robustness against moisture or EMI. |
| Reconfigurable SCBs | Five Serial Communication Blocks supporting I²C/SPI/UART at runtime - allows dynamic peripheral remapping (e.g., UART → SPI) without hardware change or BOM update. |
| TCPWM Blocks | Eight 16-bit timer/counter/PWM units with center-aligned, edge-aligned, and pseudo-random modes - supports precise motor phase control and LED dimming with dead-time insertion. |
| Security Architecture | Flash protection, debug disable, and permanent interface lockdown - prevents unauthorized firmware extraction or reprogramming in certified medical or industrial devices. |
Applications
| Industrial HMI Panel | Smart Sensor Node |
|---|---|
|
Use Scenario: Touch-enabled operator interface on factory floor equipment with glove operation and washdown exposure. IC Role / Device Role / Timing Role: Main controller executing CapSense scan, CAN bus communication, and local logic; provides 35 µs wake-from-Deep-Sleep response to touch event. Use Value: Water-tolerant CSD engine eliminates mechanical buttons; integrated CAN reduces external transceiver count and PCB area by 30%. |
Use Scenario: Battery-powered environmental monitor measuring temperature, humidity, and vibration in remote infrastructure. IC Role / Device Role / Timing Role: System-on-chip managing sensor acquisition (SAR ADC + IDAC bias), low-power data logging, and CAN-based edge reporting. Use Value: 2.5 µA Deep Sleep current extends 2-AA battery life to >5 years; SmartSense auto-calibration maintains accuracy across temperature drift. |
| Motor Control Actuator | Medical Diagnostic Device |
|
Use Scenario: Compact BLDC driver module with position feedback, current sensing, and safety interlocks. IC Role / Device Role / Timing Role: Real-time controller running FOC algorithm; TCPWM generates PWM with <100 ns dead-time control; CAN handles command and status exchange. Use Value: On-chip opamps buffer shunt current signals; comparator-triggered kill signal ensures <1 µs fault response - meets IEC 61800-5-2 functional safety requirements. |
Use Scenario: Portable ultrasound probe requiring low-noise analog front-end, precise timing, and secure firmware storage. IC Role / Device Role / Timing Role: Mixed-signal SoC acquiring analog echo signals via SAR ADC, generating TRNG keys for encrypted data transmission, and managing USB HID interface. Use Value: Integrated TRNG and flash protection meet FDA cybersecurity guidance for Class II devices; 12-bit ADC resolution preserves diagnostic image fidelity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable SoC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4127LQI-S433 | Same PSoC 4100S Plus family; 48-pin QFN package, no CAN block, lower GPIO count (40), same 128 KB flash. | Lacks CAN 2.0B and TTCAN - unsuitable for deterministic fieldbus networks but sufficient for I²C/SPI sensor hubs. | Select when CAN is unnecessary and board space favors QFN over TQFP. |
| STM32G474RET6 | Arm Cortex-M4F @ 170 MHz, 512 KB flash, no integrated CapSense, separate analog peripherals, no programmable routing. | Higher compute throughput but requires external CapSense IC and additional analog signal chain components. | Select when floating-point math or DSP acceleration is critical and CapSense integration is secondary. |
Compared with CY8C4127LQI-S433, this part adds CAN and 14 extra GPIOs in TQFP; versus STM32G474RET6, it trades raw CPU performance for unified analog/digital programmability and lower BOM count in touch-integrated systems.
Availability
CY8C4127AXI-S453 is available at Aetrix Electronics and suitable for industrial HMI, smart sensor nodes, and motor control actuator designs requiring stable component supply, long-term lifecycle assurance, and qualified automotive-grade traceability.
Supply support for CY8C4127AXI-S453 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 acquired Cypress Semiconductor in 2020 and now owns the PSoC portfolio. Infineon is a global semiconductor leader focused on power systems, automotive, and industrial applications.
This device belongs to the PSoC 4100S Plus product line, engineered for ultra-low-power, mixed-signal embedded control with integrated capacitive sensing and deterministic connectivity - targeting cost-sensitive, space-constrained human-interface and sensor-edge applications.
FAQ
Does CY8C4127AXI-S453 support USB communication?
No, CY8C4127AXI-S453 does not include a USB PHY or USB controller. It supports UART, SPI, and I²C via its five reconfigurable SCBs. For USB connectivity, external bridge ICs (e.g., CP2102N) or host-side conversion are required. The device's TRNG and flash security features remain usable with such external interfaces.
What is the maximum operating temperature for this device?
CY8C4127AXI-S453 is rated for industrial temperature range: –40 °C to +85 °C ambient. This rating applies to the 44-pin TQFP package variant (S453 suffix) under continuous operation with proper PCB thermal design per IPC-2221 guidelines. Derating is not required within this range.
Can the CapSense functionality operate during Deep Sleep mode?
Yes - CapSense CSD scanning can execute autonomously in Deep Sleep mode using the low-power clock domain (WCO or ILO). The SAR ADC and IDACs remain active, and results are stored in dedicated registers accessible upon wake-up. No CPU intervention is needed during scan cycles.
Is the CAN controller compliant with ISO 11898-1 and ISO 11898-2 standards?
Yes - the integrated CAN 2.0B block supports both standard and extended frames and is electrically compatible with ISO 11898-1 (data link layer) and ISO 11898-2 (high-speed physical layer) when paired with a compliant transceiver (e.g., TJA1042T). TTCAN timing adheres to ISO/DIS 11898-4.
CY8C4127AXI-S453 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 44-LQFP
- Series:
- PSOC™ 4 CY8C4100S
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit Single-Core
- Speed:
- 24MHz
- Connectivity:
- I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART
- Peripherals:
- Brown-out Detect/Reset, CapSense, LCD, POR, PWM, WDT
- Number of I/O:
- 37
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 5.5V
- Data Converters:
- A/D 16x10b, 16x12b SAR; D/A 2x7b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C4127AXI-S453 FAQ
1.How can I place an order for CY8C4127AXI-S453 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4127AXI-S453 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 CY8C4127AXI-S453 reliable?
The price and inventory of CY8C4127AXI-S453 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4127AXI-S453 is usually 5 days.
3.What payment methods are accepted for CY8C4127AXI-S453?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4127AXI-S453 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4127AXI-S453?
CY8C4127AXI-S453 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4127AXI-S453 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 CY8C4127AXI-S453?
For technical support, including CY8C4127AXI-S453 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4127AXI-S453 requirements.
6.How does Aetrix verify that CY8C4127AXI-S453 is sourced from the original manufacturer or authorized distributors?
All CY8C4127AXI-S453 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 CY8C4127AXI-S453 meets industry standards.
7.What is the process for return or replacement of CY8C4127AXI-S453?
All CY8C4127AXI-S453 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4127AXI-S453, 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 CY8C4127AXI-S453 part is unused and in its original packaging.
Return procedure for CY8C4127AXI-S453:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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