Infineon Technologies CY8C4147LQA-S263T
- Part No.:
- CY8C4147LQA-S263T
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 40-UFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQA-S263T.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 40QFN
- Quantity:
- Payment:

- Shipping:

Inventory:2,469
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Product details
Overview
CY8C4147LQA-S263T from Infineon is an AEC-Q100 Grade-S (–40°C to +105°C) automotive-qualified PSoC™ 4100S Plus microcontroller featuring a 48-MHz Arm® Cortex®-M0+ CPU, 128 KB flash, 16 KB SRAM, and integrated CAPSENSE™ capacitive sensing with SmartSense auto-tuning. It includes five reconfigurable serial communication blocks (SCB), CAN 2.0B with TTCAN support, and eight TCPWM modules-used in automotive body control modules requiring robust touch interfaces and real-time motor timing.
For engineers reviewing the CY8C4147LQA-S263T datasheet, CY8C4147LQA-S263T pinout, CY8C4147LQA-S263T application, or CY8C4147LQA-S263T equivalent, key selection criteria include AEC-Q100 Grade-S qualification, on-die CAPSENSE™ SNR >5:1, CAN 2.0B + TTCAN compliance, Deep Sleep current ≤2.5 µA, and 54-GPIO flexibility with programmable drive modes.
Technical Context
This device implements a mixed-signal SoC architecture where analog and digital resources are routed via a programmable interconnect matrix. The 12-bit SAR ADC operates at 1 Msps with differential input and hardware channel sequencing, while two continuous-time opamps support ADC input buffering and operate in Deep Sleep mode.
The CAN block supports time-triggered communication (TTCAN) with dedicated message RAM and error counters, and the eight TCPWM blocks provide quadrature decoding, kill-signal triggering via comparator inputs, and center-aligned PWM for motor control-enabling deterministic timing in safety-critical automotive subsystems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz max - enables real-time deterministic execution of automotive body control firmware |
| Flash / SRAM | 128 KB flash with Read Accelerator / 16 KB SRAM - supports secure bootloader, OTA updates, and multi-tasking RTOS environments |
| CAPSENSE™ | Capacitive sigma-delta (CSD) with SNR >5:1 and water tolerance - delivers reliable touch detection in humid cabin environments |
| CAN Interface | CAN 2.0B with TTCAN support - meets ISO 11898-1 and ISO/DIS 11898-4 for synchronized network scheduling |
| Power Range | 1.71 V to 5.5 V operation, 2.5 µA Deep Sleep current - enables direct battery-supplied operation with low quiescent power |
| GPIO Count | 54 programmable GPIOs with configurable drive strength, slew rate, and CAPSENSE™/analog/digital assignment - eliminates external level shifters in multi-voltage systems |
| ADC | 12-bit SAR, 1 Msps, differential mode, hardware sequencer with signal averaging - supports high-fidelity sensor acquisition (e.g., temperature, pressure) |
Pinout & Package
Package: 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, wettable flank option.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO3 | I/O power domains | Four independent 1.71–5.5 V I/O banks enable mixed-voltage interface (e.g., 3.3 V MCU logic + 5 V analog sensors) |
| P0[0]–P0[7] | GPIO bank 0 | Supports CAPSENSE™ CSD, analog input, SCB0 (I²C/SPI/UART), and TCPWM0 - primary interface for touch buttons and LIN slave |
| P1[0]–P1[7] | GPIO bank 1 | Configurable as CAN_TX/CAN_RX, SCB1, TCPWM1, or IDAC output - used for CAN bus termination and current-source sensor biasing |
| XTAL_IN/XTAL_OUT | External crystal oscillator | 4–33 MHz ECO input for precise clock generation; required for CAN bit timing accuracy and USB-free synchronization |
| WCO_IN/WCO_OUT | 32-kHz watch crystal | Enables RTC operation and low-power wake-up events during Deep Sleep without waking CPU core |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense Auto-Tuning | Hardware-accelerated CAPSENSE™ calibration eliminates manual tuning across temperature/humidity - reduces design cycle time by ≥70% for touch HMI validation |
| Programmable Analog Blocks | Two opamps with internal/external drive modes and ADC input buffering - enables single-chip sensor signal conditioning without external opamp ICs |
| TTCAN Support | Dedicated time-triggered scheduling engine with timestamping and guaranteed latency - satisfies ASAM MCD-2 MC and AUTOSAR COM timing requirements |
| Deep Sleep Mode | 2.5 µA system current with opamps, comparators, and WCO active - sustains cabin presence detection during vehicle sleep mode |
| Reconfigurable SCBs | Five serial blocks independently assignable as I²C, SPI, UART, or LIN slave - allows dynamic peripheral allocation without PCB redesign |
Applications
| Automotive Door Module | Climate Control Panel |
|---|---|
Use Scenario: Integrated door control unit managing window lift, mirror fold, and interior lighting with capacitive touch keys. IC Role / Device Role / Timing Role: Main MCU executing CAN gateway logic, CAPSENSE™ scan, and TCPWM-driven motor drivers. Use Value: Single-chip integration replaces discrete MCU + touch controller + CAN transceiver, reducing BOM count by 3 components and PCB area by 28%. | Use Scenario: HVAC front-panel HMI with humidity-resistant touch sliders and rotary encoders. IC Role / Device Role / Timing Role: CAPSENSE™ CSD frontend with SmartSense, SAR ADC for thermistor reading, and SCB-based I²C master to fan controller. Use Value: SNR >5:1 ensures reliable slider tracking under condensation; hardware sequencer enables simultaneous temp/humidity sampling at 100 Hz. |
| Seat Position Memory System | Steering Wheel Touch Interface |
Use Scenario: Non-volatile seat position storage and recall using EEPROM-emulated flash and CAN message transmission. IC Role / Device Role / Timing Role: Flash-resident configuration manager with CAN TX/RX and TCPWM for seat motor direction/timing control. Use Value: 128 KB flash accommodates 16 user profiles with CRC-protected storage; TTCAN ensures synchronized recall across multiple ECUs. | Use Scenario: Multi-function steering wheel with swipe gestures, button press, and proximity wake-up. IC Role / Device Role / Timing Role: CAPSENSE™ CSD + proximity sensing frontend with Deep Sleep wake-on-touch and WCO-based RTC timestamping. Use Value: 2.5 µA Deep Sleep current extends battery backup life to >10 years; hardware proximity detection avoids false triggers from rain or sweat. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K144W | ARM Cortex-M4F core, 112 MHz, no integrated CAPSENSE™, requires external touch controller | Targets higher-performance motor control; lacks on-die capacitive sensing | Select when floating-point math or Ethernet is required; add external touch IC if HMI needed |
| Renesas RL78/F14 | 16-bit RL78 core, 32 MHz, 256 KB flash, no CAN FD or TTCAN, limited analog resources | Focused on cost-sensitive body electronics without advanced timing or sensing | Select for legacy LIN-only systems where AEC-Q100 Grade-S suffices but TTCAN/CAPSENSE™ not required |
Compared with NXP S32K144W and Renesas RL78/F14, CY8C4147LQA-S263T uniquely integrates CAPSENSE™, TTCAN, and Deep Sleep analog retention in a single AEC-Q100 Grade-S package-reducing system-level complexity for touch-enabled automotive ECUs without sacrificing timing determinism.
Availability
CY8C4147LQA-S263T is available at Aetrix Electronics and suitable for automotive door modules, climate control panels, seat memory systems, and steering wheel touch interfaces requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CY8C4147LQA-S263T 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 ICs, and security solutions, with global R&D and manufacturing infrastructure supporting automotive-grade reliability.
CY8C4147LQA-S263T belongs to the PSoC™ 4100S Plus product line, designed specifically for AEC-Q100-compliant automotive human-machine interface (HMI) and body electronics applications requiring integrated capacitive sensing, CAN, and ultra-low-power operation.
FAQ
Does CY8C4147LQA-S263T support CAN FD?
No. This device implements CAN 2.0B with optional time-triggered extensions (TTCAN), but does not support CAN Flexible Data-Rate (CAN FD) protocol features such as increased data payload or variable bit rates. Its CAN block complies with ISO 11898-1:2015 and ISO/DIS 11898-4 for classic and time-triggered operation only.
What is the maximum operating frequency of the internal main oscillator (IMO)?
The internal main oscillator (IMO) is factory-trimmed to ±2% accuracy at 48 MHz and supports runtime trimming via the IMO_TRIM register. It serves as the default clock source for CPU and peripherals unless overridden by PLL, ECO, or WCO - enabling immediate code execution without external crystal startup delay.
Can all 54 GPIO pins be used simultaneously for CAPSENSE™?
No. While all GPIOs are CAPSENSE™-capable, practical implementation is constrained by mutual capacitance limits and routing congestion. The datasheet specifies up to 32 CSD sensors per device, with optimal performance achieved using ≤24 sensors due to shared analog routing resources and noise coupling considerations in high-density layouts.
Is ModusToolbox™ required to develop firmware for this device?
No. Firmware development is supported by both ModusToolbox™ (Linux/Windows/macOS, Eclipse-based) and the legacy PSoC™ Creator IDE (Windows-only). PSoC™ Creator provides schematic-based design entry and automatic analog/digital routing, while ModusToolbox™ offers CLI tools, version-controlled BSPs, and CI/CD integration - choice depends on team workflow and OS requirements.
CY8C4147LQA-S263T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 40-UFQFN Exposed Pad
- Series:
- PSOC™ 4 CY8C4100S Plus
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit
- Speed:
- 24MHz
- Connectivity:
- FIFO, I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART
- Peripherals:
- Brown-out Detect/Reset, CapSense, DMA, POR, PWM, Temp Sensor, WDT
- Number of I/O:
- 34
- 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, 20x12b SAR
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
CY8C4147LQA-S263T FAQ
1.How can I place an order for CY8C4147LQA-S263T through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQA-S263T 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 CY8C4147LQA-S263T reliable?
The price and inventory of CY8C4147LQA-S263T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQA-S263T is usually 5 days.
3.What payment methods are accepted for CY8C4147LQA-S263T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147LQA-S263T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147LQA-S263T?
CY8C4147LQA-S263T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LQA-S263T 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 CY8C4147LQA-S263T?
For technical support, including CY8C4147LQA-S263T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQA-S263T requirements.
6.How does Aetrix verify that CY8C4147LQA-S263T is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQA-S263T 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 CY8C4147LQA-S263T meets industry standards.
7.What is the process for return or replacement of CY8C4147LQA-S263T?
All CY8C4147LQA-S263T units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQA-S263T, 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 CY8C4147LQA-S263T part is unused and in its original packaging.
Return procedure for CY8C4147LQA-S263T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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