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Infineon Technologies CY8C4245LQQ-483
- Part No.:
- CY8C4245LQQ-483
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 40-UFQFN Exposed Pad
- Datasheet:
-
CY8C4245LQQ-483.pdf
- Description:
- IC MCU 32BIT 32KB FLASH 40QFN
- Quantity:
- Payment:
- Shipping:
Inventory:715
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Product details
Overview
CY8C4245LQQ-483 from Infineon Technologies (formerly Cypress Semiconductor) is a 32-bit Arm® Cortex®-M0 programmable system-on-chip (PSoC® 4200 family) featuring 48 MHz CPU, 32 kB flash, 4 kB SRAM, 12-bit 1-Msps SAR ADC, two opamps with comparator mode, and capacitive sensing (CapSense® CSD) support. It integrates programmable analog/digital blocks, two SCBs for I²C/SPI/UART, four TCPWM timers, and up to 36 GPIOs - deployed in industrial HMI, sensor nodes, and motor control interfaces.
For engineers reviewing the CY8C4245LQQ-483 datasheet, CY8C4245LQQ-483 pinout, CY8C4245LQQ-483 application, or CY8C4245LQQ-483 equivalent, key selection criteria include its 1.71–5.5 V operation range, 20-nA Stop mode current, CapSense SNR >5:1 with SmartSense™ auto-tuning, and SWD debug interface compatibility with Arm-standard tools.
Technical Context
The device implements a single-layer AHB-Lite interconnect between CPU, memory, and peripherals, with dedicated clock gating for low-power operation across five power modes (Active, Sleep, Deep Sleep, Hibernate, Stop). Its analog subsystem includes a CTBm block supporting opamp gain configuration, ADC input buffering, and low-power comparator wake-up capability.
Digital programmability is delivered via four Universal Digital Blocks (UDBs), each with eight macrocells and data path logic, enabling custom state machines or peripheral extensions without external logic. All UDBs are accessible through Cypress-provided Verilog templates and PSoC Creator component libraries.
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 single-cycle 32-bit multiply. |
| Memory | 32 kB flash + 4 kB SRAM - supports firmware storage, bootloader partitioning, and runtime variable retention during Hibernate. |
| ADC | 12-bit SAR, 1 Msps, differential/single-ended - delivers high-resolution sensor signal acquisition with hardware channel sequencing and averaging. |
| CapSense | CapSense Sigma-Delta (CSD) with SmartSense™ - provides production-ready water-tolerant touch sensing on any GPIO without manual tuning. |
| Power Modes | 20 nA Stop mode, Deep Sleep with LCD/Comparator wake - enables battery-powered operation for >1 year in intermittent-sensing applications. |
| Debug Interface | Serial Wire Debug (SWD), 4 breakpoint/2 watchpoint comparators - allows full on-chip debugging using standard Arm toolchains without external pods. |
| GPIO Count | Up to 36 programmable pins - supports mixed-mode routing (analog input, CapSense, LCD segment, UART TX/RX) per pin with configurable drive strength/slew rate. |
Pinout & Package
Package: 48-pin TQFP (LQQ suffix), 7 mm × 7 mm, 0.5 mm pitch, exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Main supply input | 1.71–5.5 V regulated input powering core, analog, and I/O domains; requires local 100 nF decoupling. |
| VSS | Ground reference | Digital/analog ground common point; must be connected to PCB ground plane with low-inductance path. |
| P0[0]–P0[7] | Programmable GPIO bank | Supports CapSense, analog input, SCB UART/I²C, TCPWM capture - all drive modes configurable in firmware. |
| SWDIO / SWCLK | Debug interface signals | Two-wire SWD interface for programming and real-time debugging; shares pins with GPIO P0[4]/P0[5] by default. |
| XRES | External reset input | Active-low asynchronous reset; internal pull-up enabled; compatible with pushbutton or supervisor IC assertion. |
| XTAL_IN / XTAL_OUT | Crystal oscillator terminals | Supports 1–33 MHz external crystal for precise timing; internal IMO (IMO = Internal Main Oscillator) available as fallback. |
Key Features
| Feature | Design Value |
|---|---|
| Programmable Analog Subsystem | Two opamps with reconfigurable drive modes, comparator functionality, and ADC input buffering - eliminates need for external signal conditioning in sensor front-ends. |
| CapSense CSD Engine | Hardware-accelerated sigma-delta modulation with >5:1 SNR and automatic SmartSense™ tuning - reduces firmware overhead and improves production yield for touch interfaces. |
| UDB-Based Digital Logic | Four universal digital blocks (UDBs), each with 8 macrocells and data path - enables custom PWM generators, protocol encoders, or glue logic without FPGA or discrete logic. |
| Low-Power Operation | 20 nA Stop mode with GPIO wake-up, Deep Sleep with LCD/Comparator active - extends battery life in portable and energy-harvested systems. |
| Security Configuration | Flash protection modes (Open/Protected/Kill) and debug disable - prevents unauthorized firmware readout or reprogramming in field-deployed devices. |
Applications
| Industrial HMI Panels | Smart Sensor Nodes |
|---|---|
Use Scenario: Touch-enabled operator interface on factory floor equipment with dust/moisture exposure. IC Role / Device Role / Timing Role: Primary MCU handling CapSense button scanning, LED/LCD display control, and Modbus RTU communication via SCB. Use Value: Integrated CSD engine with water tolerance and SmartSense™ eliminates calibration labor and improves field reliability vs. resistive or external-capacitive controllers. | Use Scenario: Battery-powered environmental monitor measuring temperature, humidity, and CO₂ over LoRaWAN. IC Role / Device Role / Timing Role: System controller managing sensor ADC reads, low-power sleep scheduling, and packetized UART-to-LoRa radio handoff. Use Value: 20-nA Stop mode and wake-on-comparator allow multi-year operation on coin cell; integrated opamps condition thermistor signals without external amplifiers. |
| Motor Control Interfaces | Medical Diagnostic Handhelds |
Use Scenario: Brushless DC motor driver with hall-effect feedback and overcurrent protection. IC Role / Device Role / Timing Role: Real-time PWM generation (TCPWM), analog current sensing (opamp + ADC), and fault-triggered kill signal assertion. Use Value: Comparator-based TCPWM kill input ensures sub-microsecond response to overcurrent events - critical for MOSFET safety and IGBT desaturation detection. | Use Scenario: Portable ECG/SpO₂ device requiring clinical-grade analog front-end and patient isolation compliance. IC Role / Device Role / Timing Role: Signal acquisition MCU with 12-bit SAR ADC, programmable opamp gain stages, and isolated USB communication via SCB. Use Value: On-chip opamps configured as instrumentation amplifiers reduce noise and offset drift; flash security prevents tampering with calibration constants. |
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 |
|---|---|---|---|
| CY8C4247LQI-483 | Same PSoC 4200 family, but 44-pin QFN package, 32 kB flash, 4 kB SRAM, identical peripherals and clocking. | No TQFP option; smaller footprint limits prototyping and thermal dissipation in high-duty-cycle applications. | Select when board space is constrained and TQFP socketing or hand-soldering is not required. |
| STM32F072CBT6 | Arm Cortex-M0, 48 MHz, 128 kB flash, 16 kB SRAM, no integrated CapSense or programmable analog/digital blocks. | Requires external components for touch sensing and analog signal conditioning; higher flash/SRAM but less on-chip flexibility. | Select when deterministic RTOS use, larger code size, or CAN interface is needed - not for CapSense or analog customization. |
Compared with CY8C4245LQQ-483, CY8C4247LQI-483 offers identical functionality in a smaller QFN package but sacrifices TQFP ease-of-use and thermal margin, while STM32F072CBT6 trades programmable analog/digital blocks for greater memory and standard peripherals - making it suitable only where CapSense or hardware-level customization is unnecessary.
Availability
CY8C4245LQQ-483 is available at Aetrix Electronics and suitable for industrial HMI panels, smart sensor nodes, and motor control interfaces requiring stable component supply, long-term lifecycle support, and qualified automotive/industrial temperature grade (–40 °C to +105 °C).
Supply support for CY8C4245LQQ-483 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 and supports the full PSoC® portfolio, delivering scalable mixed-signal SoCs for embedded control and human-machine interaction.
The PSoC 4200 product line was designed specifically for applications demanding both programmable analog signal conditioning and flexible digital logic in a single chip - targeting cost-sensitive, low-power, and rapidly iterated embedded designs.
FAQ
What development tools are required to program CY8C4245LQQ-483?
PSoC Creator IDE (free Windows-based tool) is the official development environment, providing schematic-based hardware design, component configurators, and GCC-based firmware compilation. Programming is performed via MiniProg3 or KitProg2 programmers using the SWD interface. No third-party toolchain license is required for basic development.
Does CY8C4245LQQ-483 support USB connectivity?
No, CY8C4245LQQ-483 does not include a USB PHY or USB controller. It supports UART, I²C, and SPI via its two SCB modules. For USB host/device functionality, external bridge ICs (e.g., CP2102N) or migration to PSoC 4100S Plus/4500 series with USBFS is required.
Can the on-chip opamps drive external loads directly?
Yes - each opamp supports high-drive external mode (up to 25 mA sink/source) and can directly drive LEDs, small relays, or RC filters. Internal high-bandwidth mode (10 MHz GBW) is optimized for ADC buffering and comparator use. Drive capability and bandwidth are configurable per application via PSoC Creator's opamp component settings.
Is the CapSense functionality certified for IEC 61000-4-6 immunity?
CapSense CSD implementation in CY8C4245LQQ-483 meets IEC 61000-4-6 Level 3 (10 V/m) when following Cypress AN85951 layout guidelines and using recommended shield/drain configurations. Certification documentation and test reports are available in Infineon's PSoC 4200 qualification package upon NDA.
CY8C4245LQQ-483 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 40-UFQFN Exposed Pad
- Series:
- PSOC™ 4 CY8C42xx
- 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, LVD, POR, PWM, WDT
- Number of I/O:
- 34
- 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 8x12b SAR; D/A 2xIDAC
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C4245LQQ-483 FAQ
1.How can I place an order for CY8C4245LQQ-483 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4245LQQ-483 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 CY8C4245LQQ-483 reliable?
The price and inventory of CY8C4245LQQ-483 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4245LQQ-483 is usually 5 days.
3.What payment methods are accepted for CY8C4245LQQ-483?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4245LQQ-483 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4245LQQ-483?
CY8C4245LQQ-483 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4245LQQ-483 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 CY8C4245LQQ-483?
For technical support, including CY8C4245LQQ-483 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4245LQQ-483 requirements.
6.How does Aetrix verify that CY8C4245LQQ-483 is sourced from the original manufacturer or authorized distributors?
All CY8C4245LQQ-483 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 CY8C4245LQQ-483 meets industry standards.
7.What is the process for return or replacement of CY8C4245LQQ-483?
All CY8C4245LQQ-483 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4245LQQ-483, 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 CY8C4245LQQ-483 part is unused and in its original packaging.
Return procedure for CY8C4245LQQ-483:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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