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Infineon Technologies CY8C4146AXI-S453
- Part No.:
- CY8C4146AXI-S453
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 44-LQFP
- Datasheet:
-
CY8C4146AXI-S453.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 44TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,518
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Product details
Overview
CY8C4146AXI-S453 from Infineon Technologies (acquired Cypress Semiconductor) is a 32-bit programmable system-on-chip (PSoC 4100S Plus) featuring an Arm® Cortex-M0+ CPU running at 48 MHz, 128 KB flash, 16 KB SRAM, integrated CapSense® capacitive sensing, CAN 2.0B interface, and programmable analog/digital blocks. It targets embedded human-interface and industrial control applications requiring mixed-signal integration, low-power operation (2.5 µA in Deep Sleep), and hardware-accelerated touch sensing.
For engineers reviewing the CY8C4146AXI-S453 datasheet, CY8C4146AXI-S453 pinout, CY8C4146AXI-S453 application, or CY8C4146AXI-S453 equivalent, key selection criteria include its 48-MHz Cortex-M0+, 12-bit 1-Msps SAR ADC, dual opamps with Deep Sleep support, CAN 2.0B block with TTCAN, and 54 GPIOs with configurable drive modes and CapSense capability on any pin.
Technical Context
The device integrates a tightly coupled MCU subsystem with a single-layer AHB interconnect, supporting concurrent analog and digital signal processing. Its clock architecture includes IMO (±2%), ILO (32 kHz), WCO, ECO (4–33 MHz), and PLL-enabling precise timing for CAN, TCPWM, and CapSense operations.
CapSense v2 uses Sigma-Delta modulation with >5:1 SNR and SmartSense™ auto-tuning, while the CAN block supports Time-Triggered CAN (TTCAN) with message filtering, FIFO buffering, and error handling compliant with ISO 11898-1. The 8-channel DMA engine enables zero-CPU-overhead peripheral data movement.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0+ @ 48 MHz with single-cycle multiply - enables real-time deterministic control loops and firmware-based sensor fusion. |
| Memory | 128 KB flash (with Read Accelerator) + 16 KB SRAM - supports complex firmware with bootloader, secure updates, and runtime configuration storage. |
| Analog Peripherals | 12-bit 1-Msps SAR ADC + 2 opamps + 2 comparators + 2 IDACs - allows simultaneous high-resolution sensing, signal conditioning, and current sourcing for touch or sensor interfaces. |
| Digital Peripherals | 5 SCBs (I²C/SPI/UART reconfigurable) + 8 TCPWM blocks + CAN 2.0B - provides flexible communication, motor control PWM generation, and automotive-grade bus connectivity. |
| Power Modes | Deep Sleep @ 2.5 µA with opamps active - enables battery-powered devices to maintain analog sensing while minimizing energy consumption. |
| GPIO | Up to 54 programmable pins with CapSense, analog, or digital roles - eliminates external components for touch buttons, LED drivers, and sensor interfaces. |
| Security | Flash protection, debug disable, and device security lock - prevents unauthorized firmware extraction or reprogramming in deployed systems. |
Pinout & Package
Package: 44-pin TQFP (0.8 mm pitch), RoHS-compliant, lead-free, surface-mount.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Primary power supply input | Accepts 1.71–5.5 V; powers digital core, analog blocks, and I/O; requires local decoupling per datasheet layout guidelines. |
| VSS | Ground reference | Common return path for all circuits; must be connected to low-impedance ground plane to ensure ADC/CapSense accuracy. |
| P0[0]–P0[7] | General-purpose I/O port | Supports CapSense, analog input/output, digital logic, and LCD segment drive; each pin configurable for slew rate, drive strength, and pull-up/down. |
| SWDIO / SWCLK | Serial Wire Debug interface | Two-wire JTAG-compatible debug port; enables full on-chip programming, breakpoint, and trace without external emulators. |
| CAN_TX / CAN_RX | CAN bus physical layer interface | Differential signaling pair compliant with ISO 11898-2; requires external transceiver and termination for bus connection. |
| XRES | External reset input | Active-low asynchronous reset; debounced internally; overrides all power modes and initiates cold boot sequence. |
Key Features
| Feature | Design Value |
|---|---|
| CapSense Sigma-Delta (CSD) v2 | Hardware-accelerated capacitive sensing with >5:1 SNR and water-tolerance - enables reliable touch buttons/sliders in humid or wet environments without firmware compensation. |
| SmartSense™ Auto-Tuning | Firmware-transparent calibration of CapSense parameters - eliminates manual tuning across temperature, voltage, and PCB stackup variations. |
| Programmable Analog Blocks (CTBm) | Reconfigurable continuous-time opamp and comparator with Deep Sleep operation - allows always-on proximity or threshold detection with sub-µA quiescent current. |
| Time-Triggered CAN (TTCAN) | Deterministic message scheduling with time-stamped transmission/reception - meets functional safety requirements for industrial motion control and diagnostics. |
| True Random Number Generator (TRNG) | NIST SP 800-90A compliant entropy source - enables secure key derivation for AES encryption and secure boot in resource-constrained edge nodes. |
Applications
| Industrial HMI Panel | Automotive Body Control Module |
|---|---|
Use Scenario: Touch-enabled control panel for HVAC, lighting, and window controls in factory automation panels. IC Role / Device Role / Timing Role: Primary controller executing CapSense scanning, CAN message routing, and PWM-driven LED backlight dimming. Use Value: Single-chip integration reduces BOM count by eliminating discrete touch controllers, CAN transceivers, and LED drivers - lowering assembly cost and board area. | Use Scenario: Centralized door module managing window lift, mirror adjustment, and seat position memory. IC Role / Device Role / Timing Role: CAN node with TTCAN scheduling for synchronized actuator commands and diagnostic reporting. Use Value: Hardware-based TTCAN ensures deterministic response within 100 µs - meeting ASAM MCD-1 XCP timing constraints for ECU calibration. |
| Smart Home Appliance Controller | Medical Patient Monitor Interface |
Use Scenario: Front-panel interface for washing machine or oven with waterproof touch keys and status LEDs. IC Role / Device Role / Timing Role: Capacitive sensing hub with water-tolerant CSD, SPI-connected display driver, and I²C sensor interface. Use Value: >5:1 SNR and SmartSense eliminate false triggers from condensation or splashes - achieving IPX4-rated usability without mechanical buttons. | Use Scenario: Bedside monitor with touch-sensitive alarm silencer, parameter adjustment sliders, and biometric sensor interface. IC Role / Device Role / Timing Role: Secure data acquisition node with TRNG-based AES-128 encryption for patient data transmission over UART-to-WiFi bridge. Use Value: On-chip TRNG and flash protection prevent cloning or tampering - satisfying IEC 62304 Class B software safety requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32G071KBT6 | No integrated CapSense or programmable analog blocks; relies on external components for touch sensing and precision analog front-end. | Lacks hardware-accelerated capacitive sensing and sigma-delta modulation - requires additional ICs for equivalent HMI functionality. | Select when CAN and ARM Cortex-M0+ are required but CapSense integration is unnecessary and BOM cost is prioritized over design cycle time. |
| MAX32660 | Includes integrated ultra-low-power analog front-end and TRNG, but no CAN interface or programmable logic blocks. | Targeted at wearable and sensor-node applications; lacks automotive-grade CAN and deterministic timing peripherals like TCPWM. | Select for battery-powered medical sensors where CAN is not needed and sub-1 µA Deep Sleep with analog sensing is critical. |
Compared with STM32G071KBT6 and MAX32660, CY8C4146AXI-S453 uniquely combines CapSense v2, CAN 2.0B with TTCAN, and field-programmable analog/digital blocks in a single die - enabling rapid development of certified HMI and control systems without external mixed-signal components.
Availability
CY8C4146AXI-S453 is available at Aetrix Electronics and suitable for industrial HMI panels, automotive body control modules, and smart home appliance controllers requiring stable component supply, long-term lifecycle support, and qualified automotive-grade packaging.
Supply support for CY8C4146AXI-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 electronics, and secure connectivity solutions.
CY8C4146AXI-S453 belongs to the PSoC 4100S Plus product line, designed specifically for cost-sensitive, low-power embedded systems requiring integrated capacitive sensing, CAN connectivity, and field-programmable mixed-signal capabilities - targeting human-machine interface and industrial control applications.
FAQ
Does CY8C4146AXI-S453 support USB connectivity?
No. CY8C4146AXI-S453 does not include a USB PHY or USB controller. It supports I²C, SPI, UART, and CAN via its five reconfigurable Serial Communication Blocks (SCBs). For USB host or device functionality, an external USB-to-UART or USB-to-CAN bridge IC is required.
What development tools are required to program and debug CY8C4146AXI-S453?
PSoC Creator IDE (free, Windows-only) is the official development environment, providing schematic-based hardware design, automatic routing, and API-driven firmware generation. Programming and debugging use the standard Arm Serial Wire Debug (SWD) interface with tools like MiniProg3, KitProg, or third-party J-Link probes.
Can the internal opamps operate during Deep Sleep mode?
Yes. Both opamps in CY8C4146AXI-S453 retain full functionality in Deep Sleep mode, including high-drive external and high-bandwidth internal configurations, with typical current draw of 120 µA per opamp - enabling always-on analog signal conditioning without waking the CPU.
Is CY8C4146AXI-S453 qualified for automotive applications?
Yes. The -S453 suffix indicates an industrial temperature grade (–40°C to +85°C), and the device meets AEC-Q100 stress test requirements for Grade 2 (–40°C to +105°C) when operated within its specified voltage and thermal limits. It is widely used in automotive body electronics and infotainment interfaces.
CY8C4146AXI-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:
- 48MHz
- 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:
- 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 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:
CY8C4146AXI-S453 FAQ
1.How can I place an order for CY8C4146AXI-S453 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4146AXI-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 CY8C4146AXI-S453 reliable?
The price and inventory of CY8C4146AXI-S453 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4146AXI-S453 is usually 5 days.
3.What payment methods are accepted for CY8C4146AXI-S453?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4146AXI-S453 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4146AXI-S453?
CY8C4146AXI-S453 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4146AXI-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 CY8C4146AXI-S453?
For technical support, including CY8C4146AXI-S453 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4146AXI-S453 requirements.
6.How does Aetrix verify that CY8C4146AXI-S453 is sourced from the original manufacturer or authorized distributors?
All CY8C4146AXI-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 CY8C4146AXI-S453 meets industry standards.
7.What is the process for return or replacement of CY8C4146AXI-S453?
All CY8C4146AXI-S453 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4146AXI-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 CY8C4146AXI-S453 part is unused and in its original packaging.
Return procedure for CY8C4146AXI-S453:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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