Infineon Technologies CY8C4147LQSS265UXQSA1
- Part No.:
- CY8C4147LQSS265UXQSA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-VFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQSS265UXQSA1.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64VFQFN
- Quantity:
- Payment:

- Shipping:

Inventory:4,000
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Product details
Overview
CY8C4147LQSS265UXQSA1 from Infineon is an AEC-Q100 Grade-S (–40°C to +105°C) automotive-grade PSoC™ 4100S Plus programmable system-on-chip 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 units - deployed in automotive body control modules for touch-enabled door handles and climate interfaces.
For engineers reviewing the CY8C4147LQSS265UXQSA1 datasheet, CY8C4147LQSS265UXQSA1 pinout, CY8C4147LQSS265UXQSA1 application, or CY8C4147LQSS265UXQSA1 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 54-GPIO flexibility with programmable drive strength and slew rate.
Technical Context
This device implements a tightly integrated mixed-signal SoC architecture where the Arm® Cortex®-M0+ core executes firmware while programmable analog (CTB opamps, 12-bit SAR ADC, IDACs) and digital (TCPWM, SCB, Smart I/O) blocks are configured at design time via PSoC™ Creator or ModusToolbox™. The CAN block supports time-triggered operation with deterministic latency ≤1.2 µs for synchronized actuator control.
Capacitive sensing uses a dedicated sigma-delta (CSD) engine with hardware-accelerated SmartSense tuning, enabling robust water-tolerant touch detection without host CPU intervention. Clocking combines a 4–33 MHz ECO, 32-kHz WCO, ±2% IMO, and PLL to deliver precise 48-MHz system timing with <±50 ppm jitter over temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz - enables real-time deterministic control of motor drivers and sensor fusion algorithms. |
| Flash / SRAM | 128 KB flash with Read Accelerator / 16 KB SRAM - supports secure bootloader, OTA update partitioning, and dual-bank firmware execution. |
| CAN Interface | CAN 2.0B with TTCAN support - provides time-synchronized message scheduling for distributed vehicle subsystems. |
| CAPSENSE™ Performance | Sigma-delta CSD with SNR >5:1 and automatic SmartSense tuning - delivers reliable touch detection under condensation or glove use. |
| Low-Power Mode | Deep Sleep mode with 2.5 µA system current and active analog - sustains wake-on-touch or CAN bus activity without MCU wake-up. |
| GPIO Count & Flexibility | 54 programmable GPIOs with configurable drive modes, slew rates, and interrupt-capable inputs - allows direct connection to switches, LEDs, sensors, and LIN transceivers. |
| ADC | 12-bit 1-Msps SAR ADC with differential input and channel sequencer - acquires battery voltage, thermistor, and current-sense signals simultaneously. |
| Operating Temp | AEC-Q100 Grade-S: –40°C to +105°C - qualified for under-hood and cabin-mounted automotive ECUs. |
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 domains | Independent 1.71–5.5 V supplies per port group enable mixed-voltage interfacing (e.g., 3.3 V MCU logic + 5 V analog sensors). |
| P0[0]–P0[7], P1[0]–P1[7], etc. | Programmable GPIOs | Each pin supports CAPSENSE™, analog input/output, digital logic, or serial interface functions - assigned dynamically in firmware. |
| CAN_TX / CAN_RX | Dedicated CAN physical layer interface | Direct connection to external CAN transceiver; supports dominant/recessive bit timing per ISO 11898-1. |
| XTAL_IN / XTAL_OUT | External crystal oscillator terminals | Drive 4–33 MHz fundamental-mode crystals for high-accuracy clock source; internal load capacitance configurable. |
| WCO_IN / WCO_OUT | 32-kHz watch crystal oscillator | Enables RTC operation and low-power wake-up timing independent of main clock domain. |
| SWDCK / SWDIO | ARM Serial Wire Debug interface | Two-pin debug interface supporting flash programming, breakpoint debugging, and real-time variable inspection. |
Key Features
| Feature | Design Value |
|---|---|
| Hardware CAPSENSE™ Engine | Dedicated sigma-delta modulator with on-die IDACs and SmartSense auto-calibration - eliminates manual tuning and reduces BOM cost by removing external RC networks. |
| Reconfigurable SCBs | Five serial communication blocks each configurable as I²C master/slave, SPI master/slave, UART, or LIN slave - enables single-device integration of multiple legacy bus protocols. |
| TTCAN Support | Time-triggered CAN with schedule table management and synchronization pulse generation - meets AUTOSAR COM timing requirements for safety-critical messaging. |
| Deep Sleep with Active Analog | 2.5 µA system current while maintaining CAPSENSE™ scanning and CAN bus monitoring - extends battery life in always-on vehicle access systems. |
| Programmable Digital Logic (Smart I/O) | Boolean logic on GPIO pins (AND/OR/XOR) with event chaining - implements hardware-debounced switch inputs or LED blink patterns without CPU cycles. |
| True Random Number Generator (TRNG) | FIPS 140-2 compliant entropy source - enables secure key derivation for TLS handshake and firmware signature verification. |
Applications
| Automotive Door Module | Climate Control Panel |
|---|---|
Use Scenario: Touch-sensitive door handle with proximity wake-up and anti-theft locking feedback. IC Role / Device Role / Timing Role: Primary MCU executing CAPSENSE™ scan, CAN message framing, and motor driver PWM control with sub-100 µs response latency. Use Value: Single-chip integration replaces discrete touch controller + MCU + CAN transceiver, reducing PCB area by 35% and bill-of-materials count by 7 components. | Use Scenario: HVAC interface with slider controls, temperature display, and fan speed regulation. IC Role / Device Role / Timing Role: System controller managing capacitive sliders, 7-segment LCD drive, and LIN communication to blower motor module. Use Value: On-die LCD segment drivers eliminate external display driver IC; SmartSense ensures consistent slider response across humidity ranges (0–95% RH). |
| Body Control Unit (BCU) | Seat Position Memory System |
Use Scenario: Centralized lighting, window lift, and mirror adjustment control with CAN network coordination. IC Role / Device Role / Timing Role: CAN node with eight TCPWM outputs driving H-bridge gate drivers and LED dimming circuits. Use Value: Eight independent 16-bit TCPWM blocks provide simultaneous PWM generation for six LED channels and two motor direction/torque control signals. | Use Scenario: Driver seat memory with position sensing, motor control, and EEPROM-backed profile storage. IC Role / Device Role / Timing Role: Sensor fusion hub acquiring potentiometer and Hall-effect inputs, computing seat position, and commanding stepper motor via CAN. Use Value: Integrated 12-bit SAR ADC with channel sequencer captures four analog position sensors in <200 µs, enabling <100 ms profile recall latency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K144W | ARM Cortex-M4F core, 112 MHz; no integrated CAPSENSE™; requires external touch controller. | Better floating-point performance for motor control algorithms; lacks hardware-accelerated touch sensing. | Select when advanced math-intensive tasks dominate over capacitive UI requirements. |
| Renesas RL78/F14 | 16-bit RL78 core, 32 MHz; integrated touch I/O but no CAN FD or TTCAN; max operating temp +85°C. | Lower cost for non-AEC-Q100 Grade-S applications; insufficient for time-triggered CAN-based chassis networks. | Select for cost-sensitive interior modules where TTCAN and extended temperature range are not required. |
Compared with NXP S32K144W and Renesas RL78/F14, CY8C4147LQSS265UXQSA1 uniquely integrates CAPSENSE™, TTCAN, and Deep Sleep analog retention in a single AEC-Q100 Grade-S package - making it optimal for space-constrained, touch-enabled automotive nodes requiring deterministic timing and ultra-low standby power.
Availability
CY8C4147LQSS265UXQSA1 is available at Aetrix Electronics and suitable for automotive body electronics, infotainment control panels, and electronic seat modules requiring stable component supply, long-term lifecycle assurance, and AEC-Q100-compliant traceability.
Supply support for CY8C4147LQSS265UXQSA1 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 centers and ISO/TS 16949-certified manufacturing.
CY8C4147LQSS265UXQSA1 belongs to the PSoC™ 4100S Plus product line, designed specifically for automotive human-machine interface (HMI) and body electronics applications demanding integrated capacitive sensing, CAN connectivity, and functional safety-ready peripherals.
FAQ
What is the maximum operating frequency of the Arm® Cortex®-M0+ core in CY8C4147LQSS265UXQSA1?
The Arm® Cortex®-M0+ core operates at up to 48 MHz, achieved via internal PLL multiplication of the 4–33 MHz external crystal oscillator or ±2% internal main oscillator. This frequency is fully supported across the full AEC-Q100 Grade-S temperature range (–40°C to +105°C) with guaranteed timing closure.
Does CY8C4147LQSS265UXQSA1 support CAN FD or only classical CAN 2.0B?
CY8C4147LQSS265UXQSA1 supports CAN 2.0B only, including time-triggered CAN (TTCAN) functionality. It does not implement CAN FD data-rate extension or flexible data-length frames. For CAN FD requirements, Infineon's TRAVEO™ T2G or AURIX™ families are recommended alternatives.
How many CAPSENSE™ buttons or sliders can be implemented using the on-die CSD block?
The integrated sigma-delta CSD block supports up to 64 capacitive sensing elements (buttons, sliders, or proximity sensors) using shared IDACs and scanning sequencer. Practical implementation depends on layout, noise environment, and scan resolution - typical production designs achieve 24–48 robust touch channels with SmartSense calibration enabled.
Is the 12-bit SAR ADC capable of simultaneous sampling across multiple channels?
No, the 12-bit SAR ADC performs sequential sampling using its built-in channel sequencer. It supports up to 16-channel automatic sequencing with signal averaging per channel, but does not provide true simultaneous sampling across multiple inputs. For synchronized multi-channel acquisition, external analog multiplexing or parallel ADCs are required.
CY8C4147LQSS265UXQSA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-VFQFN Exposed Pad
- Series:
- PSOC™ 4 CY8C4100S Plus
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit
- Speed:
- 48MHz
- Connectivity:
- FIFO, I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART
- Peripherals:
- Brown-out Detect/Reset, CapSense, DMA, POR, PWM, TRNG, WDT
- Number of I/O:
- 54
- 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 16x10/16x12b SAR; D/A 2x7b
- 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:
CY8C4147LQSS265UXQSA1 FAQ
1.How can I place an order for CY8C4147LQSS265UXQSA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQSS265UXQSA1 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 CY8C4147LQSS265UXQSA1 reliable?
The price and inventory of CY8C4147LQSS265UXQSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQSS265UXQSA1 is usually 5 days.
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CY8C4147LQSS265UXQSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LQSS265UXQSA1 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 CY8C4147LQSS265UXQSA1?
For technical support, including CY8C4147LQSS265UXQSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQSS265UXQSA1 requirements.
6.How does Aetrix verify that CY8C4147LQSS265UXQSA1 is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQSS265UXQSA1 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 CY8C4147LQSS265UXQSA1 meets industry standards.
7.What is the process for return or replacement of CY8C4147LQSS265UXQSA1?
All CY8C4147LQSS265UXQSA1 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQSS265UXQSA1, 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 CY8C4147LQSS265UXQSA1 part is unused and in its original packaging.
Return procedure for CY8C4147LQSS265UXQSA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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