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Infineon Technologies CY8C4147LQA-S453T
- Part No.:
- CY8C4147LQA-S453T
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 40-UFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQA-S453T.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 40QFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,740
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Product details
Overview
CY8C4147LQA-S453T 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 >5:1 SNR. 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-used in motor control, touch HMI, and automotive body electronics.
For engineers reviewing the CY8C4147LQA-S453T datasheet, CY8C4147LQA-S453T pinout, CY8C4147LQA-S453T application, or CY8C4147LQA-S453T equivalent, key selection criteria include its AEC-Q100 Grade-S qualification, on-chip CAPSENSE™ with SmartSense auto-tuning, CAN 2.0B + TTCAN capability, Deep Sleep current of 2.5 µA, and 54 GPIO with programmable drive modes and analog/digital/CAPSENSE™ flexibility.
Technical Context
The device implements a tightly integrated mixed-signal SoC architecture where the Arm® Cortex®-M0+ core coordinates programmable analog (dual opamps, 12-bit 1-Msps SAR ADC, IDACs, comparators) and digital resources (TCPWM, SCBs, Smart I/O). Its clock system combines a 4–33 MHz ECO, PLL, WCO, IMO, and ILO to support deterministic timing for safety-critical functions.
Capacitive sensing uses a dedicated sigma-delta (CSD) block with hardware-accelerated SmartSense tuning and water-tolerant operation, while the CAN block supports time-triggered communication with configurable message objects and error handling-enabling use in distributed automotive ECUs without external transceivers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz - enables real-time deterministic execution of automotive firmware with Thumb-2 instruction set and NVIC. |
| Flash / SRAM | 128 KB flash with Read Accelerator / 16 KB SRAM - supports secure bootloader storage, OTA update partitions, and real-time sensor 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. |
| Temperature Grade | AEC-Q100 Grade-S (–40°C to +105°C) - qualified for under-hood and cabin control module deployment. |
| CAN Interface | CAN 2.0B with TTCAN support - provides synchronized message scheduling for time-critical chassis and powertrain communication. |
| Capacitive Sensing | CAPSENSE™ CSD with >5:1 SNR and SmartSense auto-tuning - delivers robust touch detection through glass or plastic overlays in humid environments. |
| Low-Power Mode | Deep Sleep at 2.5 µA system current with operational analog - enables always-on wake-on-touch or wake-on-CAN functionality in battery-powered modules. |
Pinout & Package
This device is packaged in a 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch) with wettable flank terminations for automotive-grade solder joint inspection. Pin functions are fully reconfigurable via firmware, including dual-role GPIO supporting analog input, digital I/O, CAPSENSE™ electrode, or SCB/CAN signal routing.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO3 | I/O Power Supply | Four independent 1.71–5.5 V I/O domains enable mixed-voltage interfacing (e.g., 5 V sensors + 3.3 V CAN transceiver). |
| P0[0]–P0[7], P1[0]–P1[7], etc. | Programmable GPIO | All 54 pins support CAPSENSE™, analog input/output, digital logic, or serial peripheral functions-mapped dynamically in PSoC™ Creator. |
| CAN_TX / CAN_RX | CAN Physical Layer Interface | Dedicated differential pair routed to internal CAN controller; requires external CAN transceiver (e.g., TJA1042) for bus connection. |
| XTAL_IN / XTAL_OUT | External Crystal Oscillator Input/Output | Supports 4–33 MHz crystal for precise timing; used for ECO-based clock source feeding PLL or direct system clock. |
| WCO_IN / WCO_OUT | Watch Crystal Oscillator | 32.768 kHz crystal connection for RTC, low-power timer, or Deep Sleep wake-up source. |
Key Features
| Feature | Design Value |
|---|---|
| Reconfigurable Analog Blocks | Dual continuous-time opamps with comparator mode and ADC input buffering-enables sensor signal conditioning and zero-crossing detection without external components. |
| Hardware-Accelerated CAPSENSE™ | Sigma-delta CSD block with automatic SmartSense tuning-reduces firmware development time and eliminates manual calibration for production touch systems. |
| Runtime-Reconfigurable SCBs | Five serial blocks independently configurable as I²C master/slave, SPI master/slave, UART, or LIN slave-supports multi-protocol communication on shared PCB layout. |
| TTCAN Support | Time-triggered CAN with schedule tables and synchronization-meets ISO 11898-1 requirements for deterministic message transmission in ADAS and chassis control. |
| True Random Number Generator | On-chip TRNG compliant with NIST SP 800-90B - provides entropy source for cryptographic key generation in secure boot and firmware authentication. |
Applications
| Automotive Door Module | Touch-Based Climate Control Panel |
|---|---|
Use Scenario: Centralized control of window lift, mirror fold, and lock actuation via LIN and CAN networks. IC Role / Device Role / Timing Role: System MCU coordinating LIN slave peripherals, driving relays via PWM, and monitoring switch inputs with debounced GPIO. Use Value: Integrated TCPWM kill signals prevent unsafe motor stall conditions; Deep Sleep mode reduces parasitic drain during vehicle off-state. | Use Scenario: Capacitive slider and button interface for HVAC settings with backlight dimming and haptic feedback. IC Role / Device Role / Timing Role: CAPSENSE™ master with SmartSense auto-calibration, driving LED segments via GPIO and generating PWM for backlight intensity control. Use Value: >5:1 SNR ensures reliable touch detection through 3 mm thick acrylic overlay, even with condensation or glove use. |
| Body Control Module (BCM) | Electric Parking Brake (EPB) Controller |
Use Scenario: Consolidated lighting, wiper, and horn control with diagnostics and CAN gateway functionality. IC Role / Device Role / Timing Role: CAN 2.0B/TTCAN node managing message filtering, store-and-forward, and fault logging; SCBs handle local I²C sensor reads. Use Value: AEC-Q100 Grade-S rating and 2.5 µA Deep Sleep ensure long-term reliability and low quiescent current in always-connected modules. | Use Scenario: Safety-critical actuation of parking brake calipers with dual-redundant position sensing and motor control. IC Role / Device Role / Timing Role: Dual-core coordination (via software partitioning) with watchdog supervision, PWM-driven motor drivers, and analog current sensing via SAR ADC. Use Value: On-chip opamp buffering and comparator modes enable real-time overcurrent detection with <1 µs response-meeting ASIL-B functional safety requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4147AZI-S453 | Same PSoC™ 4100S Plus core but in 64-pin TQFP package; no wettable flank terminations; lower max ambient temperature (Grade-A: –40°C to +85°C). | Preferred for non-automotive industrial HMI or prototyping where reflow inspection isn't required and ambient temperature stays below 85°C. | Select when footprint compatibility with legacy 64-pin layouts is needed and AEC-Q100 Grade-S is not mandated. |
| SPC560B50L5 | 32-bit Power Architecture e200z0h core; 512 KB flash; no integrated CAPSENSE™; requires external touch controller; supports ASIL-B per ISO 26262. | Targeted at higher-ASIL automotive control units (e.g., engine management) where functional safety certification is primary over HMI integration. | Choose when certified ASIL-B hardware safety mechanisms (lockstep cores, ECC memory) are mandatory and capacitive sensing is handled externally. |
Compared with CY8C4147AZI-S453 and SPC560B50L5, the CY8C4147LQA-S453T uniquely integrates AEC-Q100 Grade-S qualification, on-die CAPSENSE™ with SmartSense, and TTCAN in a wettable-flank QFN-making it optimal for cost-sensitive, space-constrained automotive HMI and body electronics requiring both safety and touch interface in one die.
Availability
CY8C4147LQA-S453T is available at Aetrix Electronics and suitable for automotive door modules, climate control panels, body control modules, and electric parking brake controllers requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CY8C4147LQA-S453T 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, radar sensors, and security ICs-with global R&D centers and automotive-grade wafer fabs.
The PSoC™ 4100S Plus product line targets automotive body electronics and human-machine interfaces, combining reconfigurable analog/digital logic with AEC-Q100 qualification and integrated CAPSENSE™ to reduce BOM count and accelerate touch-enabled ECU development.
FAQ
Does CY8C4147LQA-S453T include a CAN transceiver?
No. The device contains a CAN 2.0B controller with TTCAN support but requires an external CAN physical layer transceiver (e.g., Infineon TJA1042 or TI TCAN1042) for bus connection. The CAN_TX and CAN_RX pins are CMOS-level digital signals routed directly to the transceiver's input/output terminals.
What development tools support CAPSENSE™ tuning for this part?
Infineon's ModusToolbox™ 3.x includes the CAPSENSE™ Tuner tool, which connects via KitProg3 to CY8C4147LQA-S453T-based boards for real-time parameter adjustment, SNR measurement, and baseline tracking validation-without modifying firmware or rebuilding projects.
Is the 12-bit SAR ADC capable of simultaneous sampling?
No. The 12-bit SAR ADC supports single-ended and differential modes with a channel sequencer and hardware averaging, but it uses a single conversion core and does not support true simultaneous sampling across multiple channels. Time-multiplexed acquisition with <1 µs inter-channel delay is achievable using the sequencer.
Can GPIO pins be used for both CAPSENSE™ and analog ADC input simultaneously?
No. While any GPIO can be configured for CAPSENSE™ or analog input, they cannot perform both roles concurrently on the same pin. The analog multiplexer routes each pin to either the CSD block or the SAR ADC input path-not both. Shared pins require time-division multiplexing via firmware-controlled reconfiguration.
CY8C4147LQA-S453T 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, 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-S453T FAQ
1.How can I place an order for CY8C4147LQA-S453T through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQA-S453T 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-S453T reliable?
The price and inventory of CY8C4147LQA-S453T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQA-S453T is usually 5 days.
3.What payment methods are accepted for CY8C4147LQA-S453T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147LQA-S453T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147LQA-S453T?
CY8C4147LQA-S453T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LQA-S453T 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-S453T?
For technical support, including CY8C4147LQA-S453T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQA-S453T requirements.
6.How does Aetrix verify that CY8C4147LQA-S453T is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQA-S453T 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-S453T meets industry standards.
7.What is the process for return or replacement of CY8C4147LQA-S453T?
All CY8C4147LQA-S453T units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQA-S453T, 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-S453T part is unused and in its original packaging.
Return procedure for CY8C4147LQA-S453T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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