Infineon Technologies CY8C4147LQE-S263T
- Part No.:
- CY8C4147LQE-S263T
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 40-UFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQE-S263T.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 40QFN
- Quantity:
- Payment:

- Shipping:

Inventory:2,477
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Product details
Overview
CY8C4147LQE-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 16-bit TCPWM modules - deployed in automotive body control modules for touch-enabled door handles and climate panels.
For engineers reviewing the CY8C4147LQE-S263T datasheet, CY8C4147LQE-S263T pinout, CY8C4147LQE-S263T application, or CY8C4147LQE-S263T equivalent, key selection criteria include AEC-Q100 Grade-S qualification, on-die CAPSENSE™ SNR > 5:1, CAN 2.0B + TTCAN timing compliance, Deep Sleep current ≤ 2.5 µA, and GPIO flexibility across 54 pins with programmable drive strength and slew rate.
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 the two continuous-time opamps support comparator mode and ADC input buffering - both functional in Deep Sleep mode.
The CAN block supports time-triggered operation with dedicated message RAM and hardware timestamping; TCPWM blocks provide quadrature decoding and comparator-triggered kill signals for motor control safety logic. All five SCBs can be independently configured as I²C, SPI, UART, or LIN slave at runtime without firmware reload.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz - enables real-time deterministic execution of automotive body control firmware with <100 ns interrupt latency. |
| Flash / SRAM | 128 KB flash with Read Accelerator / 16 KB SRAM - supports secure bootloader, OTA update partitioning, and dual-bank firmware storage. |
| CAPSENSE™ | Capacitive sigma-delta (CSD) with SmartSense auto-tuning - delivers >5:1 SNR and water-tolerant touch detection on up to 54 GPIOs without external components. |
| CAN Interface | CAN 2.0B with TTCAN support - provides deterministic message scheduling, hardware timestamping, and error confinement for ASIL-B–compliant networks. |
| Power Modes | Deep Sleep: 2.5 µA system current with opamps/ADC/comparators active - sustains capacitive wake-up and low-power sensor monitoring. |
| GPIO Count | 54 programmable GPIOs - each configurable as CAPSENSE™, analog input/output, digital I/O, or LCD segment driver with programmable drive strength (0.5–20 mA) and slew rate. |
| Clock Sources | 4–33 MHz ECO, 32 kHz WCO, ±2% IMO, 32 kHz ILO - enables precise timing for CAN bit-rate accuracy and RTC functionality without external crystals. |
Pinout & Package
Package: 64-pin QFN (9 mm × 9 mm, 0.5 mm pitch), RoHS-compliant, wettable flank.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO3 | I/O power supply domains | Four independent 1.71–5.5 V domains enable mixed-voltage interface (e.g., 3.3 V MCU core + 5 V analog sensors). |
| P0[0]–P0[7], P1[0]–P1[7], etc. | Programmable GPIO banks | Each pin supports CAPSENSE™, analog input/output, digital logic, or LCD segment drive - no fixed function assignment. |
| CAN_TX / CAN_RX | Dedicated CAN physical layer interface | Internal termination and slew control compliant with ISO 11898-2; supports bus fault detection and loopback diagnostics. |
| XTAL_IN / XTAL_OUT | External crystal oscillator connection | Supports 4–33 MHz ECO for CAN bit-clock accuracy and PLL reference; internal load capacitance configurable per datasheet. |
| WAKEUP / RESET | Asynchronous wake-up and reset inputs | WAKEUP pin triggers Deep Sleep exit with configurable debounce; RESET is Schmitt-triggered with internal pull-up and glitch filtering. |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense auto-tuning | Hardware-accelerated CAPSENSE™ calibration eliminates manual tuning and compensates for temperature/humidity drift in production. |
| Reconfigurable SCBs | Five independent serial blocks dynamically switch between I²C/SPI/UART/LIN slave modes at runtime - reduces BOM count and firmware complexity. |
| TTCAN support | Time-triggered CAN scheduling with hardware message RAM and timestamping enables deterministic communication for ASIL-B systems. |
| Deep Sleep analog retention | Opamps, comparators, and SAR ADC remain operational during Deep Sleep - enables always-on capacitive wake-up and sensor monitoring. |
| Programmable GPIO drive | Each pin supports 0.5–20 mA drive strength and fast/slow slew rate - eliminates external level shifters for mixed-voltage peripherals. |
Applications
| Automotive Door Module | Climate Control Panel |
|---|---|
Use Scenario: Capacitive touch buttons and sliders on vehicle door trim for window lift, mirror fold, and lock/unlock functions. IC Role / Device Role / Timing Role: Primary MCU executing touch firmware, managing CAN gateway to body domain controller, and driving LED indicators. Use Value: SmartSense ensures reliable operation under condensation and glove use; TTCAN guarantees synchronized actuator response within 2 ms jitter. | Use Scenario: Touch-sensitive HVAC interface with rotary encoder emulation and ambient light adaptive backlighting. IC Role / Device Role / Timing Role: CAPSENSE™ acquisition engine, PWM-controlled LED dimming, and LIN slave communicating with HVAC ECU. Use Value: Single-chip integration replaces discrete touch controller + MCU + LIN transceiver; Deep Sleep current ≤ 2.5 µA extends battery backup runtime. |
| Seat Position Memory System | Steering Wheel Controls |
Use Scenario: Non-contact capacitive sensing for seat position memory recall using proximity detection and swipe gestures. IC Role / Device Role / Timing Role: Analog front-end for CSD sensing, flash-based profile storage, and CAN message transmission of seat position data. Use Value: >5:1 SNR enables robust gesture recognition through leather upholstery; 128 KB flash stores 16 user profiles with encryption keys. | Use Scenario: Multi-function capacitive controls on steering wheel for cruise, audio, and voice assistant activation. IC Role / Device Role / Timing Role: Real-time touch processing unit with CAN message framing and hardware CRC generation for safety-critical commands. Use Value: Hardware-based kill signal from TCPWM comparator prevents unintended acceleration during touch event processing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4147AZI-S475 | Same PSoC™ 4100S Plus core but 48-pin QFN package; 40 GPIOs vs. 54; no CAN block. | Lacks CAN 2.0B/TTCAN - unsuitable for body domain communication; limited for LIN-only or isolated touch nodes. | Select only when CAN is not required and board space constraints mandate smaller footprint. |
| SPC560B50L3 | 32-bit Power Architecture MCU; 64 KB flash, 6 KB RAM; no integrated CAPSENSE™; requires external touch controller. | Requires separate touch IC and external CAN transceiver; higher BOM cost and PCB area; no SmartSense auto-tuning. | Choose only if legacy Power Architecture toolchain compatibility is mandatory and touch integration is secondary. |
Compared with CY8C4147AZI-S475 and SPC560B50L3, CY8C4147LQE-S263T uniquely integrates AEC-Q100 Grade-S qualified CAPSENSE™, TTCAN, and 54-GPIO flexibility in one die - reducing system-level validation effort and enabling single-chip automotive HMI solutions.
Availability
CY8C4147LQE-S263T is available at Aetrix Electronics and suitable for automotive body electronics, capacitive HMI systems, and CAN-connected embedded controllers requiring stable component supply across extended temperature ranges (–40°C to +105°C).
Supply support for CY8C4147LQE-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 MCUs, and security solutions, with global R&D and manufacturing infrastructure.
CY8C4147LQE-S263T belongs to the PSoC™ 4100S Plus product line - designed specifically for automotive-grade human-machine interfaces requiring integrated capacitive sensing, CAN connectivity, and low-power operation in harsh environments.
FAQ
Does CY8C4147LQE-S263T support CAN FD?
No. This device implements CAN 2.0B with optional time-triggered capability (TTCAN), but does not support CAN FD data rates or extended frame formats. Its CAN controller complies with ISO 11898-1:2015 for classical CAN only, with bit rates up to 1 Mbps and hardware message RAM for deterministic scheduling.
What is the maximum operating frequency of the SAR ADC?
The 12-bit SAR ADC achieves 1 Msps (mega-samples per second) in single-ended mode with hardware channel sequencing and signal averaging enabled. Conversion time is 1 µs per sample, and it supports differential input with programmable gain up to 8× for sensor signal conditioning.
Is SmartSense calibration performed in hardware or firmware?
SmartSense calibration is fully hardware-accelerated and executed autonomously by the CAPSENSE™ CSD block. No CPU intervention or firmware overhead is required - the process adjusts finger threshold, baseline tracking, and noise rejection parameters in real time during normal operation.
Can GPIO pins be used simultaneously for CAPSENSE™ and analog measurement?
Yes. Any GPIO pin can be dynamically reassigned between CAPSENSE™ electrode, analog input (to SAR ADC or opamp), or digital I/O via register configuration. However, simultaneous CAPSENSE™ scanning and high-precision analog measurement on the same pin is not supported due to shared analog routing resources.
CY8C4147LQE-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 ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
CY8C4147LQE-S263T FAQ
1.How can I place an order for CY8C4147LQE-S263T through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQE-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 CY8C4147LQE-S263T reliable?
The price and inventory of CY8C4147LQE-S263T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQE-S263T is usually 5 days.
3.What payment methods are accepted for CY8C4147LQE-S263T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147LQE-S263T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147LQE-S263T?
CY8C4147LQE-S263T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LQE-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 CY8C4147LQE-S263T?
For technical support, including CY8C4147LQE-S263T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQE-S263T requirements.
6.How does Aetrix verify that CY8C4147LQE-S263T is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQE-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 CY8C4147LQE-S263T meets industry standards.
7.What is the process for return or replacement of CY8C4147LQE-S263T?
All CY8C4147LQE-S263T units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQE-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 CY8C4147LQE-S263T part is unused and in its original packaging.
Return procedure for CY8C4147LQE-S263T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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