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Infineon Technologies CY8C4145FNQ-PS433T
- Part No.:
- CY8C4145FNQ-PS433T
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 45-XFBGA, WLCSP
- Datasheet:
-
CY8C4145FNQ-PS433T.pdf
- Description:
- IC MCU 32BIT 32KB FLASH 45WLCSP
- Quantity:
- Payment:
- Shipping:
Inventory:4,753
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Product details
Overview
CY8C4145FNQ-PS433T from Infineon is a PSoC™ 4100PS programmable system-on-chip based on Arm® Cortex®-M0+ core, operating up to 48 MHz, with 32 KB flash, 4 KB SRAM, dual ADCs (12-bit SAR + 10-bit single-slope), CAPSENSE™ sigma-delta capacitive sensing, and 38 GPIOs. It integrates reconfigurable analog/digital blocks and is deployed in industrial HMI touch panels requiring robust water-tolerant sensing and low-power operation.
For engineers reviewing the CY8C4145FNQ-PS433T datasheet, CY8C4145FNQ-PS433T pinout, CY8C4145FNQ-PS433T application, or CY8C4145FNQ-PS433T equivalent, key selection criteria include its 48-pin QFN package, Deep-Sleep current of 2.5 µA, dual DAC support (13-bit VDAC + 7-bit IDAC), Smart I/O Boolean logic capability, and integrated WCO for real-time clock functions.
Technical Context
The device implements a tightly coupled Arm® Cortex®-M0+ CPU with descriptor-based 8-channel DMA, enabling concurrent firmware execution and peripheral data movement without CPU intervention. Its analog subsystem includes two independent CTB opamps, four programmable gain amplifiers, and a 38-channel analog mux supporting custom AFE topologies.
Digital flexibility is delivered via three run-time configurable SCBs (I²C/SPI/UART) and eight TCPWM blocks supporting center-aligned PWM, quadrature decoding, and pseudo-random modulation - all routed through a programmable interconnect fabric that auto-resolves signal path conflicts during PSoC™ Creator compilation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz max - enables deterministic real-time control with Thumb-2 instruction set and NVIC interrupt handling. |
| Memory | 32 KB flash (with read accelerator), 4 KB SRAM - supports firmware updates in-field and local sensor data buffering without external memory. |
| Analog Peripherals | 12-bit SAR ADC (1 Msps), 10-bit single-slope ADC, two 13-bit VDACs, two 7-bit IDACs - sufficient for precision sensor signal conditioning and capacitive touch current sourcing. |
| CAPSENSE™ | Sigma-Delta (CSD) architecture with SmartSense™ auto-tuning - delivers >100 dB SNR and immunity to moisture-induced false touches in consumer appliances. |
| Power Modes | Deep-Sleep at 2.5 µA (analog active), 1.71–5.5 V supply range - enables battery-powered designs with multi-year operation using coin cells. |
| Package | 48-pin QFN (7 × 7 mm, 0.5 mm pitch) - surface-mount compatible with standard reflow profiles and suitable for space-constrained industrial control modules. |
Pinout & Package
CY8C4145FNQ-PS433T is housed in a 48-pin QFN package (7 mm × 7 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are fully configurable via PSoC™ Creator; all GPIOs support analog, digital, CAPSENSE™, or LCD drive roles with programmable drive strength, slew rate, and pull-up/down options.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Main power supply input | Accepts 1.71–5.5 V; powers digital core, analog blocks, and I/O banks - requires local 100 nF + 10 µF decoupling per supply domain. |
| VSS | Ground reference | Common return for analog/digital domains; must be connected to PCB ground plane with low-inductance path to minimize noise coupling. |
| XRES | Active-low reset input | Asynchronous hardware reset; internal pull-up ensures reliable startup without external resistor; debounced by internal circuitry. |
| SWDCK / SWDIO | ARM Serial Wire Debug interface | Two-pin debug port supporting programming, real-time tracing, and breakpoint debugging - no dedicated JTAG pins required. |
| P0[0]–P0[7] | Programmable GPIO bank 0 | Support CAPSENSE™ CSD electrodes, analog inputs, or PWM outputs; each pin configurable as Smart I/O for pin-level Boolean logic (AND/OR/XOR). |
Key Features
| Feature | Design Value |
|---|---|
| Reconfigurable analog blocks | Two CTB opamps, four PGAs, and 38-channel analog mux enable custom AFE design without external components - reduces BOM count and board area. |
| CAPSENSE™ CSD engine | Hardware-accelerated sigma-delta modulator with automatic SmartSense™ tuning - eliminates manual calibration and maintains performance across temperature/humidity drift. |
| Smart I/O logic | Eight GPIOs support combinational logic (e.g., AND of two inputs driving an output) directly in hardware - offloads timing-critical tasks from CPU and reduces ISR latency. |
| Segment LCD drive | All GPIOs double as LCD segment/common drivers with 4-bit memory retention in Deep-Sleep - enables ultra-low-power display interfaces in portable medical devices. |
Applications
| Industrial HMI Touch Panel | Portable Medical Monitor |
|---|---|
Use Scenario: Wall-mounted control panel in factory automation with glove-friendly touch interface exposed to coolant mist. IC Role / Device Role / Timing Role: Main controller executing real-time PLC logic while managing CAPSENSE™ electrodes and driving segmented LCD status indicators. Use Value: Water-tolerant CSD sensing maintains reliability under condensation; Deep-Sleep mode extends battery backup runtime during power outages. | Use Scenario: Handheld vital signs monitor requiring ECG front-end signal conditioning and capacitive button navigation. IC Role / Device Role / Timing Role: System-on-chip integrating analog front-end (opamp + ADC), touch UI, and Bluetooth LE interface via SCB UART. Use Value: Integrated 12-bit SAR ADC and programmable gain amplifiers eliminate discrete signal chain components; Smart I/O handles button debounce in hardware. |
| Smart Home Appliance Control | Energy Metering Interface Module |
Use Scenario: Microwave oven control panel with proximity wake-up and slider-based power adjustment. IC Role / Device Role / Timing Role: CAPSENSE™ master managing self-capacitive proximity detection and mutual-capacitive slider, synchronized with PWM-driven LED backlight. Use Value: Dual IDACs provide precise current sourcing for both proximity and slider electrodes; VDACs generate stable reference voltages for ADC calibration. | Use Scenario: DIN-rail mounted electricity meter with tamper-resistant touch interface and isolated RS-485 communication. IC Role / Device Role / Timing Role: Isolation-aware controller interfacing to metrology IC via SPI (SCB), managing CAPSENSE™ buttons, and logging events to flash. Use Value: Three SCBs allow simultaneous SPI (metrology), UART (debug), and I²C (EEPROM); 32 KB flash stores firmware + tamper logs with wear leveling. |
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 |
|---|---|---|---|
| CY8C4146FNQ-PS433T | Same package and pinout; adds 1 KB additional SRAM and 8 KB extra flash - identical peripheral set and CAPSENSE™ engine. | Preferred where firmware complexity or sensor data buffering exceeds 4 KB SRAM capacity. | Select when future firmware expansion headroom is required without changing PCB layout or driver code. |
| STM32G071KBT6 | No integrated CAPSENSE™ or programmable analog blocks; relies on external components for touch sensing and AFE; higher 64 MHz CPU clock but fixed-function peripherals. | Suitable for cost-sensitive designs where touch is implemented via resistive overlay or external IC, and analog signal paths are simple. | Choose only if CAPSENSE™ and reconfigurable analog are not required - avoids PSoC™ Creator toolchain learning curve. |
Compared with CY8C4145FNQ-PS433T, the CY8C4146FNQ-PS433T offers direct pin-compatible memory scaling, while STM32G071KBT6 trades analog programmability for lower unit cost and broader ARM ecosystem tooling - making the former ideal for incremental upgrades and the latter for fixed-feature cost optimization.
Availability
CY8C4145FNQ-PS433T is available at Aetrix Electronics and suitable for industrial HMI touch panels, portable medical monitors, smart home appliance controls, and energy metering interface modules requiring stable component supply, long-term lifecycle assurance, and qualified reflow compatibility.
Supply support for CY8C4145FNQ-PS433T 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 secure connectivity solutions, with global R&D centers and ISO/TS 16949-certified manufacturing.
CY8C4145FNQ-PS433T belongs to the PSoC™ 4100PS product line, designed specifically for cost-optimized, low-power embedded systems requiring integrated capacitive sensing, flexible analog signal conditioning, and rapid prototyping via schematic-driven development.
FAQ
Does CY8C4145FNQ-PS433T support USB device functionality?
No. The CY8C4145FNQ-PS433T does not include a USB PHY or USB controller. It provides three SCB blocks configurable as I²C, SPI, or UART only. For USB connectivity, external bridge ICs (e.g., CP2102N) or migration to PSoC™ 4 BLE or PSoC™ 6 families is required.
What debug interfaces are supported?
CY8C4145FNQ-PS433T supports ARM Serial Wire Debug (SWD) using SWDCK and SWDIO pins. It does not support JTAG. Debugging and programming are performed via MiniProg3 or KitProg2/3 programmers, compatible with PSoC™ Creator and ModusToolbox IDEs.
Can the 12-bit SAR ADC operate during Deep-Sleep mode?
Yes - the SAR ADC can be configured to trigger conversions autonomously using the WCO or LPCLK as clock source while the CPU remains in Deep-Sleep. Conversion results are stored in SRAM or transferred via DMA, enabling periodic sensor sampling at <3 µA system current.
Is CAPSENSE™ tuning required for production deployment?
No - SmartSense™ performs full hardware-based auto-tuning at startup and runtime, eliminating manual calibration. Factory tuning is unnecessary; the algorithm adapts to electrode geometry, overlay thickness, and environmental changes without host firmware intervention.
CY8C4145FNQ-PS433T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 45-XFBGA, WLCSP
- Series:
- PSOC™ 4 CY8C4100PS
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit
- Speed:
- 48MHz
- Connectivity:
- FIFO, I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART
- Peripherals:
- Brown-out Detect/Reset, CapSense, DMA, LCD, POR, PWM, Temp Sensor, WDT
- Number of I/O:
- 37
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 5.5V
- Data Converters:
- A/D 16x10b SAR, 8x12b Sigma-Delta; D/A 2x7b, 2x8/13b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C4145FNQ-PS433T FAQ
1.How can I place an order for CY8C4145FNQ-PS433T through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4145FNQ-PS433T 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 CY8C4145FNQ-PS433T reliable?
The price and inventory of CY8C4145FNQ-PS433T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4145FNQ-PS433T is usually 5 days.
3.What payment methods are accepted for CY8C4145FNQ-PS433T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4145FNQ-PS433T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4145FNQ-PS433T?
CY8C4145FNQ-PS433T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4145FNQ-PS433T 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 CY8C4145FNQ-PS433T?
For technical support, including CY8C4145FNQ-PS433T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4145FNQ-PS433T requirements.
6.How does Aetrix verify that CY8C4145FNQ-PS433T is sourced from the original manufacturer or authorized distributors?
All CY8C4145FNQ-PS433T 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 CY8C4145FNQ-PS433T meets industry standards.
7.What is the process for return or replacement of CY8C4145FNQ-PS433T?
All CY8C4145FNQ-PS433T units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4145FNQ-PS433T, 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 CY8C4145FNQ-PS433T part is unused and in its original packaging.
Return procedure for CY8C4145FNQ-PS433T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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