Infineon Technologies CY8C4147LQA-S463T
- Part No.:
- CY8C4147LQA-S463T
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 40-UFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQA-S463T.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 40QFN
- Quantity:
- Payment:

- Shipping:

Inventory:1,980
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Product details
Overview
CY8C4147LQA-S463T 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 (I²C/SPI/UART/LIN), a CAN 2.0B controller with TTCAN support, and eight 16-bit TCPWM blocks-enabling use in automotive body control modules requiring robust touch HMI and real-time bus communication.
For engineers reviewing the CY8C4147LQA-S463T datasheet, CY8C4147LQA-S463T pinout, CY8C4147LQA-S463T application, or CY8C4147LQA-S463T equivalent, key selection criteria include its AEC-Q100 Grade-S qualification, on-die CAPSENSE™ SNR >5:1, CAN 2.0B + TTCAN compliance, Deep Sleep current of 2.5 µA, and programmable analog/digital routing for mixed-signal system integration.
Technical Context
The device implements a tightly coupled MCU subsystem with a 48-MHz Arm® Cortex®-M0+ core, supported by a flexible clock system including ECO (4–33 MHz), PLL, WCO (32 kHz), IMO (±2%), and ILO oscillators. Memory architecture integrates 128 KB flash with Read Accelerator and 16 KB SRAM, enabling deterministic real-time execution in safety-critical automotive functions.
Analog subsystem comprises two continuous-time opamps (operable in Deep Sleep), a 12-bit 1-Msps SAR ADC with sequencer and averaging, dual IDACs, two low-power comparators, and a dedicated capacitance-sensing block supporting CSD with >5:1 SNR. Digital resources include five SCBs, eight TCPWMs with quadrature decode and comparator-triggered kill signals, and Smart I/O for Boolean logic on GPIO paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz - enables deterministic real-time control with Thumb-2 instruction set and NVIC for automotive interrupt handling. |
| Flash / SRAM | 128 KB flash with Read Accelerator / 16 KB SRAM - supports secure bootloader storage, firmware updates, and runtime data buffering without external memory. |
| Operating Temp | –40°C to +105°C (Grade-S) - certified for under-hood and cabin electronics where thermal stability is required per AEC-Q100. |
| CAPSENSE™ | Capacitive sigma-delta (CSD) with SmartSense auto-tuning and >5:1 SNR - delivers water-tolerant touch detection on buttons, sliders, and proximity sensors without manual calibration. |
| CAN Interface | CAN 2.0B with time-triggered CAN (TTCAN) support - provides deterministic message scheduling and synchronization for distributed automotive control networks. |
| Low-Power Modes | Deep Sleep mode with 2.5 µA system current and active analog - enables always-on capacitive wake-up and sensor monitoring in battery-constrained systems. |
| GPIO Count | Up to 54 programmable pins across QFN/TQFP packages - any pin supports CAPSENSE™, analog input/output, or digital logic with configurable drive strength and slew rate. |
Pinout & Package
Package: 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, wettable flank option available.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO3 | I/O power supply domains | Independent 1.71–5.5 V supplies per port group enable mixed-voltage interfacing (e.g., 3.3 V MCU logic with 5 V sensor inputs). |
| P0[0]–P0[7], P1[0]–P1[7], etc. | Programmable GPIO | Each pin supports CAPSENSE™, analog input/output, digital logic, or serial interface functions via hardware routing matrix. |
| CAN_TX / CAN_RX | CAN physical layer interface | Dedicated differential pair with internal termination and slew-rate control compliant with ISO 11898-2 for automotive CAN bus. |
| XTAL_IN / XTAL_OUT | External crystal oscillator connection | Supports 4–33 MHz ECO for precise timing; required for CAN bit timing accuracy and USB-like clock derivation. |
| WCO_IN / WCO_OUT | 32-kHz watch crystal oscillator | Enables RTC operation and low-power wake-up timing independent of main system clock during Deep Sleep. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated CAPSENSE™ with SmartSense | Hardware-accelerated auto-tuning eliminates manual calibration effort and maintains SNR >5:1 across temperature/humidity variations in automotive interiors. |
| Reconfigurable Serial Blocks (SCB) | Five independent SCBs each support run-time switching between I²C master/slave, SPI master/slave, UART, or LIN slave - reducing BOM count and PCB footprint. |
| TTCAN Support | Time-triggered CAN scheduling ensures deterministic message transmission windows and synchronization with engine control cycles in body domain ECUs. |
| Programmable Analog Routing | Continuous-time opamps and SAR ADC share configurable analog buses - enabling signal chain composition (e.g., PGA → ADC → IDAC feedback) without external components. |
| Deep Sleep with Active Analog | 2.5 µA system current while maintaining opamp/ADC/comparator operation - allows capacitive wake-up and sensor polling without full MCU wake-up latency. |
Applications
| Automotive Door Module | Climate Control Panel |
|---|---|
Use Scenario: Touch-sensitive door lock/unlock, window lift, and mirror adjustment controls in passenger vehicles. IC Role / Device Role / Timing Role: Primary MCU executing CAPSENSE™ scan, LIN slave communication with body controller, and PWM motor drive for window regulators. Use Value: Single-chip integration replaces discrete touch controller + MCU + LIN transceiver, reducing component count and improving EMI resilience in compact door modules. | Use Scenario: Capacitive slider and button interface for HVAC fan speed, temperature, and mode selection in dashboard assemblies. IC Role / Device Role / Timing Role: CAPSENSE™ acquisition engine with SmartSense, I²C interface to HVAC MCU, and real-time PWM fan control via TCPWM blocks. Use Value: Water-tolerant touch performance (>5:1 SNR) ensures reliable operation under condensation or accidental spills in high-humidity cabin environments. |
| Steering Wheel Controls | Seat Position Memory System |
Use Scenario: Multi-function capacitive buttons behind steering wheel leather for cruise control, audio, and voice command activation. IC Role / Device Role / Timing Role: Low-latency CAPSENSE™ acquisition with Deep Sleep wake-up, CAN 2.0B/TTCAN messaging to powertrain and infotainment domains. Use Value: TTCAN synchronization guarantees sub-millisecond response timing for safety-critical driver inputs, meeting ASIL-B timing constraints. | Use Scenario: Non-volatile storage and actuation of seat position presets using motorized rails and memory recall via CAN or LIN. IC Role / Device Role / Timing Role: Flash-based parameter storage, TCPWM-controlled DC motor drivers, and LIN slave interface to body control module. Use Value: On-chip 128 KB flash eliminates need for external EEPROM, enabling secure, tamper-resistant seat profile storage with CRC-protected configuration data. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K144 | ARM Cortex-M4F core, higher performance (112 MHz), larger memory (512 KB flash), but no integrated CAPSENSE™ or SmartSense. | Requires external touch controller for capacitive HMI; better suited for complex motor control or OTA update stacks. | Select when floating-point math, Ethernet, or CAN FD are required over integrated touch sensing. |
| Renesas RL78/F14 | 16-bit RL78 core, lower power (0.6 µA Deep Sleep), AEC-Q100 qualified, but lacks CAN 2.0B/TTCAN and programmable analog blocks. | Limited to basic LIN/I²C HMI; no hardware-accelerated CSD or SmartSense tuning capability. | Select for cost-sensitive, low-complexity body electronics where touch performance and CAN determinism are not critical. |
Compared with S32K144 and RL78/F14, CY8C4147LQA-S463T uniquely combines AEC-Q100 Grade-S qualification, on-die CAPSENSE™ with >5:1 SNR, TTCAN, and Deep Sleep analog operation-making it optimal for space-constrained automotive HMI nodes requiring integrated touch, timing, and bus communication.
Availability
CY8C4147LQA-S463T is available at Aetrix Electronics and suitable for automotive body control modules, climate control panels, and steering wheel interface systems requiring stable component supply, long-term lifecycle assurance, and AEC-Q100 compliance.
Supply support for CY8C4147LQA-S463T 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.
This device belongs to the PSoC™ 4100S Plus product line, designed specifically for automotive human-machine interface (HMI) applications requiring integrated capacitive sensing, CAN/TTCAN communication, and low-power operation across extended temperature ranges.
FAQ
Is CY8C4147LQA-S463T pin-compatible with other PSoC™ 4100S Plus devices?
Yes, CY8C4147LQA-S463T uses the 48-pin QFN package shared with CY8C4147LQI-S463 and CY8C4147LQI-S462. Pin functions are consistent across this package variant, enabling hardware reuse when migrating between flash/SRAM configurations or temperature grades within the same footprint.
Does this part support secure boot or cryptographic acceleration?
CY8C4147LQA-S463T includes a true random number generator (TRNG) for secure key generation and supports software-based secure boot via flash protection mechanisms (read/write/execute protection). It does not contain dedicated cryptographic accelerators like AES engines, relying instead on Cortex-M0+ software libraries for encryption primitives.
What development tools are officially supported for this MCU?
Infineon officially supports ModusToolbox™ (v3.x+) and legacy PSoC™ Creator v4.4 for firmware development. Hardware debugging requires MiniProg3 or KitProg3 programmers. The CY8CKIT-149 prototyping kit provides direct socket support for CY8C4147LQA-S463T and includes CAPSENSE™ evaluation firmware and example projects.
Can the on-chip opamps be used for sensor signal conditioning in automotive environments?
Yes, both continuous-time opamps operate in Deep Sleep mode and support rail-to-rail input/output with programmable gain. They are characterized across –40°C to +105°C and support external sensor biasing, active filtering, and ADC input buffering-validated for use with thermistors, RTDs, and bridge-based pressure sensors in automotive cabin and chassis applications.
CY8C4147LQA-S463T 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:
- CANbus, FIFO, I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, LCD, 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-S463T FAQ
1.How can I place an order for CY8C4147LQA-S463T through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQA-S463T 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-S463T reliable?
The price and inventory of CY8C4147LQA-S463T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQA-S463T is usually 5 days.
3.What payment methods are accepted for CY8C4147LQA-S463T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147LQA-S463T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147LQA-S463T?
CY8C4147LQA-S463T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LQA-S463T 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-S463T?
For technical support, including CY8C4147LQA-S463T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQA-S463T requirements.
6.How does Aetrix verify that CY8C4147LQA-S463T is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQA-S463T 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-S463T meets industry standards.
7.What is the process for return or replacement of CY8C4147LQA-S463T?
All CY8C4147LQA-S463T units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQA-S463T, 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-S463T part is unused and in its original packaging.
Return procedure for CY8C4147LQA-S463T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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