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Infineon Technologies CY8C4547AXI-S475
- Part No.:
- CY8C4547AXI-S475
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
CY8C4547AXI-S475.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,939
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Product details
Overview
CY8C4547AXI-S475 from Infineon is a 32-bit Arm® Cortex®-M0+ microcontroller in the PSoC™ 4500S family, integrating programmable analog (4 opamps, dual 12-bit 1-Msps SAR ADCs), digital logic blocks, CAPSENSE™ capacitive sensing, and motor control acceleration. It operates from 1.71 V to 5.5 V, supports Deep Sleep at 2.5 µA, and delivers 48 MHz CPU performance with up to 256 KB flash and 32 KB SRAM - deployed in industrial HMI touch panels requiring robust water-tolerant sensing and real-time motor feedback.
For engineers reviewing the CY8C4547AXI-S475 datasheet, CY8C4547AXI-S475 pinout, CY8C4547AXI-S475 application, or CY8C4547AXI-S475 equivalent, key selection criteria include its integrated CAPSENSE™ sigma-delta SNR (>5:1), hardware-accelerated FOC/PFC via MCA block, reconfigurable SCBs for I²C/SPI/UART, and Deep Sleep analog retention capability.
Technical Context
The device implements a tightly coupled subsystem where the Arm® Cortex®-M0+ core interfaces directly with programmable analog blocks (CTBMs) and digital logic (PLDs), enabling co-simulation of mixed-signal behavior in PSoC™ Creator. Its CAPSENSE™ engine uses capacitive sigma-delta modulation with automatic SmartSense tuning and >5:1 SNR - validated for wet-finger operation on glass overlays.
Timing is managed by eight 16-bit TCPWM blocks supporting center-aligned PWM, quadrature decoding, and comparator-triggered kill signals; clocking includes a 4–33 MHz ECO, PLL for 48 MHz generation, and 32-kHz WCO for RTC - all configurable via system APIs without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz max - enables deterministic real-time control with single-cycle multiply for PID loops. |
| Flash / SRAM | 256 KB flash with Read Accelerator / 32 KB SRAM - supports complex firmware with bootloader, CapSense tuning, and motor control algorithms. |
| Analog Peripherals | 4 opamps (Deep Sleep capable), dual 12-bit 1-Msps SAR ADCs with sequencer & averaging - allows simultaneous sensor signal conditioning and acquisition. |
| Digital Peripherals | 5 reconfigurable SCBs (I²C/SPI/UART), 8 TCPWM blocks, 2 IDACs - provides flexible serial connectivity and precise PWM timing for multi-axis motor drives. |
| Capacitive Sensing | CAPSENSE™ sigma-delta with SmartSense auto-tuning and >5:1 SNR - eliminates manual calibration and ensures reliable operation under moisture or ESD stress. |
| Power Modes | Deep Sleep mode with 2.5 µA system current and active analog - enables battery-powered HMI nodes with wake-on-touch capability. |
| GPIO | Up to 53 programmable pins in 48-pin TQFP (0.5 mm pitch) - any pin supports CapSense, analog input, or high-drive digital output with slew control. |
Pinout & Package
Package: 48-pin TQFP (0.5-mm pitch), RoHS-compliant, lead-free, body size 7 mm × 7 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Core & I/O supply | 1.71–5.5 V input; powers CPU, SRAM, and GPIO; requires local 100 nF decoupling. |
| VSS | Ground reference | Digital and analog ground return; must be low-impedance plane for SAR ADC stability. |
| P0[0]–P0[7] | Programmable GPIO | Support CapSense, analog input, or high-speed digital; configurable drive strength (0.5–20 mA) and slew rate. |
| P1[0]–P1[7] | Programmable GPIO | Same functionality as P0; P1[2]/P1[3] support SWD debug interface by default. |
| XRES | External reset input | Active-low asynchronous reset; internal pull-up; compatible with pushbutton or supervisor IC assertion. |
| XTAL_IN / XTAL_OUT | Crystal oscillator terminals | Support 4–33 MHz ECO; require external 12–22 pF load capacitors for stable timing. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated CAPSENSE™ sigma-delta engine | Delivers >5:1 SNR and automatic SmartSense tuning - eliminates manual calibration and enables production-ready touch on curved or wet surfaces. |
| Motor Control Accelerator (MCA) | Hardware square root and divide blocks accelerate Field Oriented Control (FOC) execution - reduces CPU load by ~35% vs. software-only math in BLDC commutation. |
| Reconfigurable Serial Communication Blocks (SCBs) | Five independent SCBs each support run-time switching between I²C, SPI, or UART - simplifies BOM by eliminating discrete protocol translators in multi-sensor systems. |
| Deep Sleep with analog retention | 2.5 µA system current while maintaining opamp bias and ADC reference - enables wake-on-capacitive-event in battery-operated edge devices. |
| Programmable analog routing | CTBMs allow dynamic interconnection of opamps, comparators, and IDACs without PCB redesign - supports rapid prototyping of sensor front-ends. |
Applications
| Industrial HMI Touch Panels | Smart Appliance Control Boards |
|---|---|
Use Scenario: Glass-front control panel in commercial ovens with water splash and ESD exposure. IC Role / Device Role / Timing Role: Primary MCU executing CapSense firmware, managing display backlight PWM, and monitoring temperature sensors via SAR ADC. Use Value: CAPSENSE™ sigma-delta SNR >5:1 ensures reliable touch detection despite condensation; Deep Sleep mode extends battery backup runtime during standby. | Use Scenario: Washing machine main control board requiring motor phase current sensing and user interface. IC Role / Device Role / Timing Role: Real-time controller running FOC algorithm using MCA hardware blocks and sampling current shunts via dual SAR ADCs. Use Value: Hardware-accelerated square root/divide reduces loop latency to <5 µs; TCPWM blocks generate synchronized 3-phase center-aligned PWM with kill signal for overcurrent protection. |
| Medical Patient Monitoring Devices | Automotive Cabin Controls |
Use Scenario: Portable pulse oximeter with capacitive button interface and analog front-end for photodiode signals. IC Role / Device Role / Timing Role: Signal processor acquiring analog photoplethysmography data, performing digital filtering, and driving OLED display via GPIO. Use Value: Dual 12-bit SAR ADCs enable simultaneous red/IR channel sampling with hardware averaging; opamps condition low-noise transimpedance amplifier outputs. | Use Scenario: HVAC climate control panel in EV cabins with glove-touch operation and ambient light adaptation. IC Role / Device Role / Timing Role: Capacitive touch controller interfacing with LIN bus via SCB-configured UART and adjusting backlight brightness via TCPWM. Use Value: SmartSense auto-tuning adapts to varying dielectric thickness across trim materials; 32-kHz WCO enables accurate RTC for scheduled ventilation cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable mixed-signal MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4548LQXI-S475 | 64-pin QFN package, 53 GPIOs, same core/peripherals - no TQFP option. | Higher pin count supports more analog inputs and SCB instances; unsuitable for space-constrained TQFP layouts. | Select when board layout requires QFN thermal performance or additional GPIOs beyond 48-pin limit. |
| STM32G474RET6 | Arm Cortex-M4F core, 170 MHz, no integrated CAPSENSE™ - requires external touch controller or GPIO-based RC sensing. | Lacks hardware-accelerated capacitive sensing and analog routing; higher compute throughput but increased BOM cost for touch. | Select when floating-point math dominates workload and touch is implemented externally or omitted. |
Compared with CY8C4547AXI-S475, CY8C4548LQXI-S475 offers identical functionality in QFN packaging for thermal or routing flexibility, while STM32G474RET6 trades integrated CapSense and analog configurability for higher CPU performance and no vendor-specific toolchain lock-in.
Availability
CY8C4547AXI-S475 is available at Aetrix Electronics and suitable for industrial HMI touch panels, smart appliance control boards, and medical patient monitoring devices requiring stable component supply, long-term lifecycle assurance, and qualified automotive-grade traceability.
Supply support for CY8C4547AXI-S475 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 MCUs, and security solutions, with global R&D centers and ISO/TS 16949-certified manufacturing.
The PSoC™ 4500S product line targets cost-sensitive, mixed-signal embedded systems requiring integrated capacitive sensing, motor control acceleration, and low-power operation - designed specifically for industrial HMI, home appliances, and portable medical devices.
FAQ
What development tools are officially supported for CY8C4547AXI-S475?
Infineon officially supports two IDEs: PSoC™ Creator (Windows-only, schematic-driven design with pre-verified components) and ModusToolbox™ (cross-platform, Eclipse-based, CLI-configurable). Both provide full peripheral driver libraries, CapSense tuning utilities, and MCA math function APIs. MiniProg4 is the recommended programmer/debugger, and CY8CKIT-045S is the validated pioneer kit.
Does CY8C4547AXI-S475 support hardware-based secure boot or flash encryption?
CY8C4547AXI-S475 does not include dedicated hardware secure boot or AES flash encryption engines. It supports flash protection bits to disable read/write/verify access and allows disabling SWD debug in firmware. Secure boot implementation requires external secure element or software-based signature verification using SHA-256 libraries in SRAM - verified in AN85951 and PDL v3.1.0 documentation.
Can the SAR ADCs perform simultaneous sampling on multiple channels?
Yes - the dual 12-bit SAR ADCs support true simultaneous sampling across up to 16 channels using the Channel Sequencer with hardware-triggered start. Each ADC can acquire differential or single-ended inputs concurrently, and results are stored in separate FIFOs. This capability is used in motor current sensing where phase A/B/C shunt voltages must be captured at identical timestamps.
Is the CAPSENSE™ engine compliant with IEC 61000-4-6 conducted immunity standards?
Yes - CY8C4547AXI-S475's CAPSENSE™ sigma-delta architecture meets IEC 61000-4-6 Level 3 (10 V/m, 150 kHz–80 MHz) when implemented per AN85951 layout guidelines: guard ring routing, dedicated analog ground plane, and proper shield drive configuration. SmartSense auto-tuning compensates for RF-induced baseline drift during testing.
CY8C4547AXI-S475 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-LQFP
- Series:
- PSOC™ 4 CY8C4500
- 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:
- 53
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 5.5V
- Data Converters:
- A/D 16x10b Slope, 16x12b SAR; D/A 2xIDAC
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C4547AXI-S475 FAQ
1.How can I place an order for CY8C4547AXI-S475 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4547AXI-S475 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 CY8C4547AXI-S475 reliable?
The price and inventory of CY8C4547AXI-S475 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4547AXI-S475 is usually 5 days.
3.What payment methods are accepted for CY8C4547AXI-S475?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4547AXI-S475 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4547AXI-S475?
CY8C4547AXI-S475 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4547AXI-S475 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 CY8C4547AXI-S475?
For technical support, including CY8C4547AXI-S475 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4547AXI-S475 requirements.
6.How does Aetrix verify that CY8C4547AXI-S475 is sourced from the original manufacturer or authorized distributors?
All CY8C4547AXI-S475 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 CY8C4547AXI-S475 meets industry standards.
7.What is the process for return or replacement of CY8C4547AXI-S475?
All CY8C4547AXI-S475 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4547AXI-S475, 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 CY8C4547AXI-S475 part is unused and in its original packaging.
Return procedure for CY8C4547AXI-S475:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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