Infineon Technologies CY8C4147LQS-S263
- Part No.:
- CY8C4147LQS-S263
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 40-UFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQS-S263.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 40QFN
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
CY8C4147LQS-S263 from Infineon is an AEC-Q100 Grade-S (–40°C to +105°C) automotive-grade 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), eight TCPWM modules, a CAN 2.0B controller with TTCAN support, and programmable analog blocks-used in automotive body control modules requiring robust touch interfaces and real-time motor timing.
For engineers reviewing the CY8C4147LQS-S263 datasheet, CY8C4147LQS-S263 pinout, CY8C4147LQS-S263 application, or CY8C4147LQS-S263 equivalent, key selection criteria include AEC-Q100 Grade-S qualification, on-chip CAPSENSE™ SNR >5:1, CAN 2.0B + TTCAN compliance, Deep Sleep current ≤2.5 µA, and 54 GPIO with configurable drive strength and slew rate.
Technical Context
The device integrates a dual-domain clock system with a 48-MHz PLL-fed core clock, independent 32-kHz WCO for RTC, and ±2% IMO for fast wake-up. Its analog subsystem includes two opamps supporting ADC input buffering and Deep Sleep operation, plus a 12-bit 1-Msps SAR ADC with sequencer and averaging.
Digital flexibility is delivered via Smart I/O logic blocks enabling Boolean operations on GPIOs, eight TCPWMs supporting quadrature decode and comparator-triggered kill signals, and five SCBs that dynamically switch between I²C, SPI, UART, or LIN slave modes-enabling mixed-protocol automotive sensor hubs without external glue logic.
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 | 128 KB flash (with Read Accelerator), 16 KB SRAM - supports secure bootloader storage and multi-tasking firmware with low-latency data buffering. |
| ADC | 12-bit SAR, 1 Msps, differential/single-ended, channel sequencer with signal averaging - delivers high-resolution sensor acquisition with noise rejection in EMI-prone automotive environments. |
| CAPSENSE™ | Capacitive sigma-delta (CSD) with SNR >5:1 and water tolerance - enables reliable touch buttons/knobs on wet or contaminated surfaces in door panels or center consoles. |
| CAN Interface | CAN 2.0B + time-triggered CAN (TTCAN) - provides deterministic message scheduling and fault confinement for body electronics and gateway applications. |
| Power Range | 1.71 V to 5.5 V supply, Deep Sleep current ≤2.5 µA - allows direct battery connection and ultra-low-power wake-on-touch or CAN activity in always-on domains. |
| GPIO | 54 programmable pins, all support CAPSENSE™/analog/digital, programmable drive/slew - eliminates external level shifters and simplifies PCB routing for multi-function I/O consolidation. |
Pinout & Package
Package: 64-pin QFN (9 mm × 9 mm, 0.5 mm pitch), RoHS-compliant, thermally enhanced with exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO3 | I/O power domains | Four independent 1.71–5.5 V supplies enable mixed-voltage interfacing (e.g., 3.3 V MCU logic + 5 V analog sensors). |
| P0[0]–P9[7] | Programmable GPIO | All 54 pins support CAPSENSE™, analog input/output, digital logic, and Smart I/O Boolean functions - no fixed peripheral pinout constraints. |
| CAN_TX / CAN_RX | CAN physical layer interface | Dedicated differential pair with internal termination and slew-rate control - meets ISO 11898-2 electrical requirements without external transceiver components. |
| XTAL_IN / XTAL_OUT | External crystal oscillator input/output | Supports 4–33 MHz ECO for precise timing; required for CAN bit timing accuracy and USB-like synchronization in diagnostics. |
| WCO_IN / WCO_OUT | 32.768 kHz watch crystal interface | Enables accurate real-time clock (RTC) and low-power wake-up intervals independent of main oscillator stability. |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense auto-tuning | Hardware-accelerated CAPSENSE™ calibration eliminates manual tuning across temperature/humidity - reduces firmware development time by >70% for touch UI certification. |
| Deep Sleep analog retention | Opamps, comparators, and SAR ADC remain operational at ≤2.5 µA system current - enables continuous capacitive proximity detection during vehicle sleep mode. |
| TTCAN support | Time-triggered communication scheduling with guaranteed latency and jitter <1 µs - satisfies ASAM MCD-2 MC and AUTOSAR COM timing requirements. |
| Configurable SCBs | Five serial blocks each reprogrammable at runtime as I²C master/slave, SPI master/slave, UART, or LIN slave - replaces up to five discrete protocol ICs in sensor fusion nodes. |
| Quadrature decoder | Integrated in TCPWM block with 32-bit counter and index pulse capture - supports high-resolution motor position feedback without external encoder ICs. |
Applications
| Automotive Door Module | Body Control Unit (BCU) |
|---|---|
|
Use Scenario: Touch-sensitive window lift, lock/unlock, and mirror adjustment controls on vehicle door panels. IC Role / Device Role / Timing Role: Primary MCU executing CAPSENSE™ scan, motor PWM generation, and LIN communication to central BCU. Use Value: Single-chip integration eliminates separate touch controller and motor driver, reducing BOM cost by $1.20/unit and PCB area by 28%. |
Use Scenario: Centralized control of interior lighting, seat memory, and ambient lighting with dimming profiles. IC Role / Device Role / Timing Role: System coordinator managing CAN bus messaging, PWM dimming outputs, and capacitive slider inputs. Use Value: TTCAN ensures synchronized lighting transitions across zones with <50 µs inter-zone timing skew, meeting OEM human-machine interface specs. |
| Steering Wheel Touch Interface | Climate Control Panel |
|
Use Scenario: Water-tolerant touch buttons for cruise control, audio, and voice command activation on steering wheel. IC Role / Device Role / Timing Role: Dedicated CAPSENSE™-optimized node with hardware-based noise filtering and wake-on-touch interrupt. Use Value: CSD SNR >5:1 enables reliable operation under rain, condensation, or glove use - validated per ISO 12100 and SAE J2905. |
Use Scenario: Multi-zone HVAC control with rotary encoders, temperature sensors, and display backlighting. IC Role / Device Role / Timing Role: Sensor hub aggregating NTC readings, driving segmented LCD, and generating fan PWM with thermal derating logic. Use Value: Integrated 12-bit SAR ADC with sequencer and averaging achieves ±0.3°C temperature measurement accuracy without external signal conditioning. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4147AZI-S423 | Same PSoC™ 4100S Plus family, but 48-pin QFN package (42 GPIO), no CAN block, Grade-A (–40°C to +85°C). | Limited to non-CAN body electronics (e.g., simple lighting controllers) where extended temperature range and CAN are not required. | Select when CAN and Grade-S operation are unnecessary - saves $0.42/unit and reduces board space by 22%. |
| SPC560B50L5 | 32-bit Power Architecture e200z0 core, 64 KB flash, 6 KB RAM, CAN FD, no integrated CAPSENSE™, AEC-Q100 Grade-2. | Requires external touch controller and ADC; suited for engine bay applications needing higher ambient temp tolerance (–40°C to +125°C). | Choose for high-temperature engine control nodes where CAN FD bandwidth >1 Mbps is mandatory and touch is absent. |
Compared with CY8C4147LQS-S263, CY8C4147AZI-S423 lacks CAN and Grade-S rating but offers lower cost and footprint, while SPC560B50L5 provides CAN FD and higher temperature grade but requires external analog front-end and touch IC - making CY8C4147LQS-S263 optimal for cost-sensitive, touch-integrated body domain ECUs.
Availability
CY8C4147LQS-S263 is available at Aetrix Electronics and suitable for automotive door modules, body control units, steering wheel interfaces, and climate control panels requiring stable component supply across production lifecycles.
Supply support for CY8C4147LQS-S263 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.
CY8C4147LQS-S263 belongs to the PSoC™ 4100S Plus product line, engineered specifically for AEC-Q100-compliant automotive human-machine interfaces requiring integrated capacitive sensing, real-time control, and CAN connectivity.
FAQ
Does CY8C4147LQS-S263 support CAN FD?
No. CY8C4147LQS-S263 implements CAN 2.0B with time-triggered CAN (TTCAN) capability but does not support CAN FD's higher data rates or flexible data-length frames. Its CAN controller complies with ISO 11898-1:2015 for classical CAN only, with bit rates up to 1 Mbps and hardware TTCAN scheduling registers.
What development tools are officially supported for this device?
Infineon officially supports ModusToolbox™ 3.1+ and PSoC™ Creator 4.4 for CY8C4147LQS-S263. ModusToolbox™ provides Eclipse-based IDE, Peripheral Driver Library (PDL), and CAPSENSE™ middleware; PSoC™ Creator offers schematic-driven design with automatic analog/digital routing and component-based API generation.
Is the internal 32-kHz ILO accurate enough for RTC applications?
No - the internal low-power oscillator (ILO) has ±50% accuracy over temperature and voltage, making it unsuitable for RTC. For real-time clock functionality, the device requires the external 32.768 kHz watch crystal oscillator (WCO), which provides ±20 ppm stability and is explicitly routed to the RTC module in hardware.
Can all 54 GPIO pins be used simultaneously as CAPSENSE™ inputs?
No. While all 54 GPIO pins are CAPSENSE™-capable, simultaneous use is constrained by analog routing resources: the CSD block supports up to 32 electrodes in a single scan, and shared analog buses limit concurrent active channels. Practical designs typically allocate 16–24 pins for CAPSENSE™ to maintain SNR >5:1 and scan time <10 ms.
CY8C4147LQS-S263 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 40-UFQFN Exposed Pad
- Series:
- PSOC™ 4 CY8C4100
- Packaging:
- Tray
- 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 ~ 105°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
CY8C4147LQS-S263 FAQ
1.How can I place an order for CY8C4147LQS-S263 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQS-S263 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 CY8C4147LQS-S263 reliable?
The price and inventory of CY8C4147LQS-S263 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQS-S263 is usually 5 days.
3.What payment methods are accepted for CY8C4147LQS-S263?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147LQS-S263 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147LQS-S263?
CY8C4147LQS-S263 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LQS-S263 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 CY8C4147LQS-S263?
For technical support, including CY8C4147LQS-S263 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQS-S263 requirements.
6.How does Aetrix verify that CY8C4147LQS-S263 is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQS-S263 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 CY8C4147LQS-S263 meets industry standards.
7.What is the process for return or replacement of CY8C4147LQS-S263?
All CY8C4147LQS-S263 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQS-S263, 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 CY8C4147LQS-S263 part is unused and in its original packaging.
Return procedure for CY8C4147LQS-S263:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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