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Infineon Technologies CY8C4147LQS-S443
- Part No.:
- CY8C4147LQS-S443
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 40-UFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQS-S443.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 40QFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,999
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Product details
Overview
CY8C4147LQS-S443 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 (SCBs), eight TCPWM modules, a CAN 2.0B controller with TTCAN support, and programmable analog blocks for sensor interface in body electronics and infotainment control units.
For engineers reviewing the CY8C4147LQS-S443 datasheet, CY8C4147LQS-S443 pinout, CY8C4147LQS-S443 application, or CY8C4147LQS-S443 equivalent, key selection criteria include its AEC-Q100 qualification, Deep Sleep current of 2.5 µA, 54 GPIO with configurable drive modes, CSD-based SNR > 5:1, and hardware-accelerated TRNG for secure boot and key generation.
Technical Context
The device implements a tightly coupled mixed-signal architecture where the Arm® Cortex®-M0+ core interfaces directly with programmable digital logic (Smart I/O), reconfigurable analog blocks (CTB opamps, SAR ADC, IDACs), and fixed-function peripherals including CAN 2.0B with time-triggered capability and TCPWM with comparator-triggered kill signals. Clocking is managed via multiple sources: 4–33 MHz ECO, 32-kHz WCO, ±2% IMO, and 32-kHz ILO - enabling precise timing across sleep/wake transitions.
Its CAPSENSE™ subsystem uses capacitance-sigma-delta (CSD) modulation with hardware-accelerated SmartSense tuning, delivering >5:1 SNR and water-tolerant touch performance without host CPU intervention. The CAN block supports both standard and time-triggered operation, with dedicated message RAM and error counters compliant with ISO 11898-1:2015.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz max - enables real-time deterministic control with Thumb-2 instruction set and NVIC interrupt handling. |
| Flash / SRAM | 128 KB flash with Read Accelerator; 16 KB SRAM - supports firmware updates, bootloader storage, and real-time data buffering. |
| Operating Voltage | 1.71 V to 5.5 V - allows direct interface with 3.3 V and 5 V automotive subsystems without level-shifting. |
| Deep Sleep Current | 2.5 µA digital system current - enables always-on wake-on-touch or wake-on-CAN while preserving analog functionality. |
| CAPSENSE™ SNR | >5:1 signal-to-noise ratio - ensures reliable touch detection under wet conditions and EMI noise in vehicle cabins. |
| CAN Compliance | CAN 2.0B + TTCAN support - meets time-critical communication requirements for body control modules and gateway nodes. |
| GPIO Count | 54 programmable pins - all support CAPSENSE™, analog input/output, or digital logic with configurable slew rate and drive strength. |
Pinout & Package
Package: 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), thermally enhanced with exposed pad for automotive thermal reliability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO3 | I/O power supply rails | Independent 1.71–5.5 V domains per port group - enable mixed-voltage interfacing (e.g., 3.3 V MCU logic + 5 V sensor outputs). |
| P0[0]–P0[7], P1[0]–P1[7], etc. | Programmable GPIO | Each pin supports CAPSENSE™ CSD, analog input (SAR ADC/IDAC), digital logic (Smart I/O), or SCB/CAN functions - no fixed peripheral pinout. |
| XTAL_IN / XTAL_OUT | External crystal oscillator interface | Supports 4–33 MHz ECO for high-accuracy clock source - required for CAN bit timing and USB-free synchronous comms. |
| WCO_IN / WCO_OUT | 32-kHz watch crystal oscillator | Enables RTC and low-power wake-up timing independent of main clock - critical for alarm, timer, and sleep-state management. |
| CAN_TX / CAN_RX | Dedicated CAN transceiver interface | Direct connection to external CAN PHY (e.g., TJA1042) - supports bus fault detection and loopback diagnostics per ISO 11898-2. |
Key Features
| Feature | Design Value |
|---|---|
| Hardware SmartSense tuning | Automatic CAPSENSE™ baseline and sensitivity adjustment - eliminates manual calibration during production and field aging. |
| Programmable Smart I/O | Boolean logic on port inputs/outputs without CPU involvement - enables glitch-free wake-on-gpio or hardware state machines. |
| TRNG with NIST SP800-90B compliance | Entropy source certified for cryptographic key derivation - supports secure boot, TLS handshake, and OTA update authentication. |
| Comparator-triggered TCPWM kill | Hardware-level shutdown of PWM outputs within <100 ns - essential for motor overcurrent protection in EPS and HVAC blower control. |
| Reconfigurable SCBs | Five independent blocks supporting I²C/SPI/UART/LIN slave in any combination - reduces BOM count by eliminating discrete protocol translators. |
Applications
| Body Control Module (BCM) | Infotainment Touch Interface |
|---|---|
Use Scenario: Centralized control of door locks, lighting, wipers, and mirrors in modern vehicles. IC Role / Device Role / Timing Role: Main MCU executing LIN slave communication, PWM-driven LED dimming, and wake-on-capacitive button press. Use Value: Deep Sleep current of 2.5 µA enables battery-conscious always-on monitoring; 54 GPIO allow consolidation of discrete switches and sensors onto single chip. | Use Scenario: Touchscreen overlay for center console with water tolerance and glove operation. IC Role / Device Role / Timing Role: CAPSENSE™ controller with hardware CSD engine and SmartSense auto-tuning. Use Value: >5:1 SNR ensures reliable detection under condensation or rain; programmable drive strength supports thick cover lens designs. |
| Electric Power Steering (EPS) Sensor Hub | Automotive Gateway Node |
Use Scenario: Aggregation and preprocessing of torque, position, and temperature sensor data before CAN transmission. IC Role / Device Role / Timing Role: Analog front-end with 12-bit SAR ADC, opamp gain stages, and CAN 2.0B transmitter. Use Value: Integrated opamps eliminate external signal conditioning; TTCAN support enables synchronized sampling across multiple ECUs. | Use Scenario: Protocol translation between CAN FD (powertrain), LIN (actuators), and UART (diagnostic port). IC Role / Device Role / Timing Role: Multi-protocol bridge using five reconfigurable SCBs and hardware CAN message RAM. Use Value: Eliminates need for separate protocol ICs; deterministic CAN timing via TTCAN ensures diagnostic response latency < 5 ms. |
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, 112 MHz; larger flash (512 KB); no integrated CAPSENSE™; requires external touch controller. | Better floating-point performance for motor control algorithms; lacks hardware-accelerated touch sensing. | Select when advanced motor control or safety ASIL-B compliance is required; avoid if capacitive HMI is primary function. |
| Renesas RL78/F14 | 16-bit RL78 core, 32 MHz; lower power (1.2 µA Deep Sleep); no CAN FD or TTCAN; limited GPIO (up to 41). | Cost-optimized for simple body electronics; insufficient for time-triggered networking or complex HMI. | Select for cost-sensitive, low-complexity nodes like seat control; avoid for gateway or multi-sensor fusion roles. |
Compared with S32K144 and RL78/F14, CY8C4147LQS-S443 uniquely integrates high-SNR CAPSENSE™, TTCAN, and programmable analog/digital logic in a single AEC-Q100 Grade-S package - making it optimal for HMI-rich automotive edge nodes requiring mixed-signal flexibility and low-power responsiveness.
Availability
CY8C4147LQS-S443 is available at Aetrix Electronics and suitable for body control modules, infotainment touch interfaces, electric power steering sensor hubs, and automotive gateway nodes requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CY8C4147LQS-S443 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 serving Tier-1 automotive suppliers and industrial OEMs.
CY8C4147LQS-S443 belongs to the PSoC™ 4100S Plus product line, designed specifically for automotive body electronics and human-machine interface applications requiring AEC-Q100 qualification, integrated capacitive sensing, and deterministic real-time communication.
FAQ
Does CY8C4147LQS-S443 support CAN FD?
No. CY8C4147LQS-S443 integrates a CAN 2.0B controller compliant with ISO 11898-1:2015 and supports time-triggered CAN (TTCAN), but does not implement CAN FD frame format or higher data rates. For CAN FD, consider Infineon's AURIX™ TC3xx family or external CAN FD transceivers paired with this device's SCB in UART mode for bridging.
What development tools are officially supported for CY8C4147LQS-S443?
Infineon officially supports ModusToolbox™ (v3.1+) and legacy PSoC™ Creator v4.4 for CY8C4147LQS-S443. ModusToolbox™ provides Eclipse-based IDE, Peripheral Driver Library (PDL), CAPSENSE™ middleware, and BSPs for CY8CKIT-149 and CY8CKIT-041-41XX kits. Debugging requires KitProg3 or MiniProg3 programmers compatible with SWD interface.
Is the TRNG in CY8C4147LQS-S443 certified for cryptographic use?
Yes. The True Random Number Generator meets NIST SP800-90B entropy requirements and is validated for use in secure boot, key generation, and TLS session establishment. It feeds directly into the hardware AES engine and is accessible via PDL APIs (Cy_Crypto_Random_Generate()). Certification documentation is included in Infineon's Automotive Security Package (ASP) release notes.
Can all 54 GPIO pins be used simultaneously for CAPSENSE™?
No. While all 54 pins are CAPSENSE™-capable, practical CSD channel count is limited by shared analog routing resources and CTB opamp count. Maximum concurrent CSD electrodes is 32 (per datasheet section 1.7.1), constrained by internal analog bus bandwidth and SmartSense tuning overhead - not pin count. Layout and firmware configuration determine actual usable electrode count.
CY8C4147LQS-S443 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, 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 ~ 105°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
CY8C4147LQS-S443 FAQ
1.How can I place an order for CY8C4147LQS-S443 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQS-S443 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-S443 reliable?
The price and inventory of CY8C4147LQS-S443 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQS-S443 is usually 5 days.
3.What payment methods are accepted for CY8C4147LQS-S443?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147LQS-S443 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147LQS-S443?
CY8C4147LQS-S443 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LQS-S443 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-S443?
For technical support, including CY8C4147LQS-S443 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQS-S443 requirements.
6.How does Aetrix verify that CY8C4147LQS-S443 is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQS-S443 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-S443 meets industry standards.
7.What is the process for return or replacement of CY8C4147LQS-S443?
All CY8C4147LQS-S443 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQS-S443, 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-S443 part is unused and in its original packaging.
Return procedure for CY8C4147LQS-S443:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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