Infineon Technologies CY8C4147LQS-S453
- Part No.:
- CY8C4147LQS-S453
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 40-UFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQS-S453.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 40QFN
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
CY8C4147LQS-S453 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 >5:1 SNR. It includes five reconfigurable SCBs (I²C/SPI/UART/LIN), a CAN 2.0B block with TTCAN support, and eight 16-bit TCPWM blocks - deployed in automotive body control modules for touch-enabled door handles and climate panels.
For engineers reviewing the CY8C4147LQS-S453 datasheet, CY8C4147LQS-S453 pinout, CY8C4147LQS-S453 application, or CY8C4147LQS-S453 equivalent, key selection criteria include its Deep Sleep current (2.5 µA), programmable analog (dual opamps, 12-bit 1-Msps SAR ADC), CAN/TTCAN compliance, and QFN-48 package with 40 GPIOs supporting CAPSENSE™ on any pin.
Technical Context
The device integrates a hardened automotive timing architecture with multiple clock sources: ±2% IMO, 32-kHz ILO, 32-kHz WCO, and 4–33 MHz ECO feeding a PLL for precise 48-MHz system clock. Its analog subsystem includes two continuous-time opamps operable in Deep Sleep mode and a dedicated capacitance-sensing sigma-delta (CSD) block enabling robust water-tolerant touch detection.
Digital flexibility is delivered via Smart I/O blocks for Boolean logic on GPIOs, eight TCPWM units supporting center-aligned PWM and quadrature decoding, and a CAN 2.0B controller with time-triggered capability - all coordinated under deterministic interrupt handling and 8-channel DMA for sensor fusion and real-time actuator control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz - enables real-time deterministic execution of automotive firmware with <100 ns interrupt latency. |
| Memory | 128 KB flash (with Read Accelerator), 16 KB SRAM - supports secure bootloader, OTA update partitions, and dual-bank firmware storage. |
| Analog ADC | 12-bit SAR ADC, 1 Msps, differential/single-ended - provides high-resolution sensor acquisition for temperature, pressure, or position feedback. |
| CAPSENSE™ | Capacitive sigma-delta (CSD) with >5:1 SNR and SmartSense auto-tuning - delivers production-ready touch performance without manual calibration. |
| CAN Interface | CAN 2.0B with TTCAN support - meets ISO 11898-1 and enables synchronized message scheduling for chassis domain controllers. |
| Power Range | 1.71 V to 5.5 V operation, 2.5 µA Deep Sleep current - allows direct battery connection and ultra-low-power wake-on-touch functionality. |
| GPIO Count | 40 programmable GPIOs in QFN-48 package - each supports CAPSENSE™, analog input, or digital logic with configurable drive strength and slew rate. |
Pinout & Package
CY8C4147LQS-S453 is housed in a 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch) with wettable flank terminations for automotive-grade solder joint inspection. The package supports thermal pad grounding and meets IPC/JEDEC J-STD-020 moisture sensitivity level 3.
| 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 core + 5 V analog sensors). |
| P0[0]–P0[7], P1[0]–P1[7], etc. | Programmable GPIOs | All 40 pins support CAPSENSE™, analog input, comparator output, or Smart I/O logic - no fixed-function pin constraints. |
| XTAL_IN / XTAL_OUT | External crystal oscillator interface | Supports 4–33 MHz ECO for high-accuracy timing; required for CAN bit-rate stability and TTCAN synchronization. |
| CAN_TX / CAN_RX | CAN physical layer interface | Dedicated differential pair routed internally to CAN controller - requires external transceiver (e.g., TJA1042) for bus connection. |
| WCO_IN / WCO_OUT | 32-kHz watch crystal oscillator | Enables RTC operation and low-power wake-up events during Deep Sleep without waking CPU core. |
Key Features
| Feature | Design Value |
|---|---|
| Automotive Qualification | AEC-Q100 Grade-S (–40°C to +105°C) - qualified for under-hood and cabin control applications per automotive reliability standards. |
| Programmable Analog | Dual opamps with internal/external drive modes + 12-bit SAR ADC - eliminates need for external signal conditioning in sensor front-ends. |
| Smart I/O Logic | Boolean combinational logic on GPIOs without CPU intervention - enables hardware-level debounce, edge detection, and state filtering. |
| TTCAN Support | Time-triggered communication scheduling within CAN 2.0B frame - ensures deterministic message transmission for safety-critical actuation. |
| TRNG | True Random Number Generator - provides entropy source for cryptographic key generation in secure boot and firmware authentication. |
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 CAPSENSE™ scanning, LIN slave communication to body controller, and PWM-driven LED backlight dimming. Use Value: Single-chip integration replaces discrete touch controller + MCU + LIN transceiver, reducing BOM count by 3 devices and PCB area by 35%. |
Use Scenario: Touch-sensitive HVAC interface with rotary encoder emulation and ambient light adaptive display. IC Role / Device Role / Timing Role: Host processor managing CAPSENSE™ CSD scanning, 12-bit ADC reading thermistor networks, and SPI-driven segment LCD driver. Use Value: Hardware-accelerated SmartSense tuning eliminates factory calibration steps, cutting production test time by 12 seconds per unit. |
| Chassis Domain Controller | Seat Position Memory System |
Use Scenario: Centralized control unit coordinating brake lights, hazard flashers, and turn indicators via CAN bus. IC Role / Device Role / Timing Role: CAN 2.0B node with TTCAN scheduling, eight TCPWM blocks generating synchronized PWM outputs for LED drivers. Use Value: Deterministic 100 µs jitter on PWM edges ensures flicker-free lighting and meets UNECE R149 photometric requirements. |
Use Scenario: Motorized seat position memory with multi-axis potentiometer feedback and user-profile storage. IC Role / Device Role / Timing Role: Sensor hub acquiring analog position data via SAR ADC, storing profiles in flash with ECC protection, and driving DC motors via H-bridge PWM. Use Value: On-chip opamp buffering and signal averaging reduce external RC filters, improving position resolution to ±0.3 mm over 10-year lifetime. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K144HAT0MLHT | ARM Cortex-M4F @ 112 MHz, 1 MB flash, CAN FD, no integrated CAPSENSE™ | Requires external touch controller; better suited for high-speed motor control with FPU and CAN FD data throughput | Select when CAN FD bandwidth >1 Mbps or floating-point math is critical; adds BOM cost for touch subsystem |
| Renesas RL78/F14 | RL78 core @ 32 MHz, 512 KB flash, no CAN, no CAPSENSE™, lower power (0.9 µA Deep Sleep) | Limited to non-CAN body electronics; lacks hardware touch engine - relies on software-based capacitive sensing | Select for cost-sensitive interior switches without CAN connectivity; requires significant firmware effort for touch robustness |
Compared with S32K144HAT0MLHT and RL78/F14, CY8C4147LQS-S453 uniquely integrates automotive-grade CAPSENSE™, TTCAN, and programmable analog in a single die - reducing system complexity for touch-enabled body controllers where mixed-signal integration and AEC-Q100 Grade-S operation are mandatory.
Availability
CY8C4147LQS-S453 is available at Aetrix Electronics and suitable for automotive body control modules, climate control interfaces, and chassis domain controllers requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CY8C4147LQS-S453 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 manufacturing and automotive qualification infrastructure.
CY8C4147LQS-S453 belongs to the PSoC™ 4100S Plus product line, designed specifically for automotive human-machine interface (HMI) systems requiring integrated capacitive sensing, CAN communication, and functional safety-ready peripherals.
FAQ
Does CY8C4147LQS-S453 support secure boot and firmware encryption?
Yes. The device includes a hardware TRNG and supports cryptographic acceleration via the PDL Crypto library in ModusToolbox™. Secure boot is implemented using immutable ROM bootloader with SHA-256 signature verification of flash sectors, and AES-128 encryption keys are stored in protected eFuse memory with read-protection lock bits.
What development tools are officially supported for CY8C4147LQS-S453?
Infineon officially supports ModusToolbox™ (v3.1+) and PSoC™ Creator (v4.4). ModusToolbox™ provides Eclipse IDE integration, peripheral configurator, and CAPSENSE™ Tuner GUI; PSoC™ Creator offers schematic-based design entry with automatic analog/digital routing. Both support CY8CKIT-149 prototyping kit and MiniProg3 programming.
Can the on-chip opamps drive external loads directly?
Yes - each opamp supports up to 25 mA output current in high-drive external mode and can directly drive resistive touch overlays or small solenoids. Internal high-bandwidth mode supports 10 MHz GBW for active filter stages. Both modes retain operation in Deep Sleep with 2.5 µA system current, enabling always-on sensor conditioning.
Is CAN termination required on the CY8C4147LQS-S453 board?
No - the device itself does not integrate CAN termination resistors. External 120 Ω termination must be placed at each end of the CAN bus segment. CY8C4147LQS-S453's CAN_TX/CAN_RX pins connect to an external transceiver (e.g., TJA1042T/3), which then interfaces to the bus with proper stub length and termination per ISO 11898-2.
CY8C4147LQS-S453 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, 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-S453 FAQ
1.How can I place an order for CY8C4147LQS-S453 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQS-S453 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-S453 reliable?
The price and inventory of CY8C4147LQS-S453 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQS-S453 is usually 5 days.
3.What payment methods are accepted for CY8C4147LQS-S453?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147LQS-S453 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147LQS-S453?
CY8C4147LQS-S453 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LQS-S453 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-S453?
For technical support, including CY8C4147LQS-S453 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQS-S453 requirements.
6.How does Aetrix verify that CY8C4147LQS-S453 is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQS-S453 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-S453 meets industry standards.
7.What is the process for return or replacement of CY8C4147LQS-S453?
All CY8C4147LQS-S453 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQS-S453, 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-S453 part is unused and in its original packaging.
Return procedure for CY8C4147LQS-S453:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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