Infineon Technologies CY8C4147LQSS275XQSA1
- Part No.:
- CY8C4147LQSS275XQSA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-VFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQSS275XQSA1.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64VFQFN
- Quantity:
- Payment:

- Shipping:

Inventory:1,159
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Product details
Overview
CY8C4147LQSS275XQSA1 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 a CAN 2.0B block with time-triggered support, five reconfigurable serial communication blocks (SCBs), and eight 16-bit TCPWM units - deployed in automotive body control modules for touch-enabled door handles and climate panels.
For engineers reviewing the CY8C4147LQSS275XQSA1 datasheet, CY8C4147LQSS275XQSA1 pinout, CY8C4147LQSS275XQSA1 application, or CY8C4147LQSS275XQSA1 equivalent, key selection criteria include AEC-Q100 Grade-S qualification, on-chip CAN 2.0B + TTCAN support, Deep Sleep current ≤2.5 µA with active analog, 12-bit 1-Msps SAR ADC with sequencer, and programmable GPIO drive modes across 54 pins.
Technical Context
The device integrates a fixed-function CAN 2.0B controller with TTCAN capability, supporting deterministic message scheduling and synchronization via external clock input or internal WCO/ECO sources. Its clock system includes a 4–33 MHz ECO, PLL for 48-MHz core clock, 32-kHz WCO, and ±2% IMO - enabling precise timing for CAN bit-rate accuracy and TCPWM-based motor control.
Capacitive sensing is implemented via a dedicated CSD block delivering >5:1 SNR and water tolerance, paired with hardware-accelerated SmartSense™ tuning that eliminates manual calibration. Analog subsystem includes two opamps operable in Deep Sleep, dual low-power comparators, and two IDACs usable on any GPIO - enabling self-contained proximity and slider sensing without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz max - enables real-time control of CAN messaging, PWM-driven actuators, and CAPSENSE™ signal processing in single-chip automotive nodes. |
| Memory | 128 KB flash (with Read Accelerator), 16 KB SRAM - supports secure bootloader storage, OTA update partitioning, and multi-sensor CAPSENSE™ firmware with runtime configuration. |
| CAN Interface | CAN 2.0B + TTCAN compliant - provides time-triggered scheduling, error confinement, and synchronization for safety-critical body electronics communication. |
| ADC | 12-bit SAR, 1 Msps, differential/single-ended, channel sequencer with averaging - acquires battery voltage, temperature sensors, and analog sensor inputs concurrently without CPU intervention. |
| Low-Power Modes | Deep Sleep: 2.5 µA digital + operational analog - sustains CAPSENSE™ wake-on-touch and CAN bus monitoring while minimizing quiescent current in parked vehicle state. |
| GPIO | 54 programmable pins, all support CAPSENSE™, analog, or digital functions with configurable drive strength/slew rate - enables direct connection to buttons, LEDs, LIN transceivers, and analog sensors without external level shifters. |
| Operating Temp | Grade-S: –40°C to +105°C - qualified for under-hood and cabin-mounted automotive applications including HVAC controls and seat position sensing. |
Pinout & Package
Package: 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, wettable flank option - optimized for automated optical inspection (AOI) and high-reliability automotive PCB assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO3 | I/O power supply domains | Independent 1.71–5.5 V rails per port group - allows mixed-voltage interfacing (e.g., 3.3 V MCU logic with 5 V analog sensors or LIN transceivers). |
| P0[0]–P0[7], P1[0]–P1[7], etc. | Programmable GPIO | Each pin supports CAPSENSE™ CSD/CSD-HW, analog input/output, SCB UART/SPI/I²C, TCPWM, or comparator functions - routed automatically by PSoC™ Creator. |
| CAN_TX / CAN_RX | Dedicated CAN physical layer interface | Internal termination and slew control - connects directly to external CAN transceiver (e.g., TJA1042T) without external resistors or buffers. |
| XTAL_IN / XTAL_OUT | External crystal oscillator input/output | Supports 4–33 MHz ECO for precise CAN bit timing and clock redundancy - required for TTCAN synchronization and EMI reduction vs. internal IMO. |
| WCO_IN / WCO_OUT | 32.768 kHz watch crystal oscillator | Enables low-power RTC operation and CAN sleep-wake arbitration during Deep Sleep - maintains timebase accuracy independent of main clock domain. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated CAN 2.0B + TTCAN | Hardware-implemented message RAM, acceptance filtering, and time-triggered scheduling - eliminates software stack overhead and ensures deterministic latency for body control networks. |
| CAPSENSE™ CSD with SmartSense™ | Self-calibrating sigma-delta sensing engine delivering >5:1 SNR and water tolerance - enables reliable touch detection through coated surfaces and condensation without firmware tuning. |
| Programmable Analog Blocks | Two opamps + two comparators + two IDACs, all operable in Deep Sleep - supports always-on proximity wake-up, battery monitoring, and analog sensor conditioning without waking CPU. |
| Five Reconfigurable SCBs | Runtime-selectable I²C/SPI/UART/LIN slave per block - allows dynamic peripheral assignment (e.g., SPI for display, UART for diagnostics, LIN for actuator control) within same BOM. |
| Eight 16-bit TCPWM Blocks | Center-aligned, edge-aligned, and pseudo-random PWM modes with comparator-triggered kill signals - meets functional safety requirements for motor drivers and LED dimming in automotive lighting. |
Applications
| Automotive Door Handle Interface | Climate Control Panel |
|---|---|
|
Use Scenario: Capacitive touch handle with proximity wake-up and anti-theft lock/unlock confirmation. IC Role / Device Role / Timing Role: Primary MCU executing CAPSENSE™ acquisition, CAN message transmission (lock/unlock status), and Deep Sleep management. Use Value: Single-chip solution replaces discrete touch controller + MCU + CAN transceiver, reducing BOM count and PCB area while maintaining AEC-Q100 compliance. |
Use Scenario: Touch-sensitive HVAC panel with rotary encoder emulation and ambient light adaptive display brightness. IC Role / Device Role / Timing Role: System controller managing CAPSENSE™ sliders/buttons, 12-bit ADC for thermistor reading, and PWM for LED backlight dimming. Use Value: Hardware-accelerated SmartSense™ eliminates factory calibration; TCPWM center-aligned mode ensures flicker-free, EMI-optimized backlight control. |
| Seat Position Memory Module | Body Control Unit (BCU) Subnode |
|
Use Scenario: Motorized seat adjustment with position feedback, memory recall, and CAN-based configuration sync. IC Role / Device Role / Timing Role: Real-time motion controller using TCPWM for H-bridge drive, quadrature decoder for potentiometer feedback, and CAN for parameter exchange. Use Value: On-chip quadrature decoder and comparator-triggered kill signals enable safe, responsive motor stop without external logic or FPGA. |
Use Scenario: Distributed BCU subnode controlling interior lighting, window lift, and mirror fold/unfold via LIN and CAN. IC Role / Device Role / Timing Role: Communication gateway with five SCBs handling LIN slave, CAN master, and diagnostic UART simultaneously. Use Value: Runtime reconfiguration of SCBs allows field-upgradable functionality (e.g., adding new LIN slave devices) without hardware change or firmware rewrite. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4147LQSI275 | Same die, QFN-48 package but Grade-I (–40°C to +85°C), no AEC-Q100 qualification. | Suitable for non-automotive industrial HMI or white goods where extended temperature is not required. | Select only if AEC-Q100 Grade-S and 105°C operation are unnecessary; lower cost but invalid for automotive production. |
| SPC560P50L5 | 32-bit Power Architecture core, 64 MHz, 512 KB flash, ASIL-B capable, no integrated CAPSENSE™. | Targets higher-safety ASIL-B systems like steering column controls; requires external touch controller. | Choose when functional safety certification (ISO 26262) is mandatory and capacitive sensing is handled separately. |
Compared with CY8C4147LQSS275XQSA1, CY8C4147LQSI275 lacks automotive qualification and thermal margin, while SPC560P50L5 adds ASIL-B capability at the cost of CAPSENSE™ integration and higher BOM complexity - making the Infineon part optimal for cost-sensitive, touch-centric Grade-S automotive nodes.
Availability
CY8C4147LQSS275XQSA1 is available at Aetrix Electronics and suitable for automotive body electronics, capacitive touch HMI development, and CAN-based distributed control systems requiring stable component supply across production lifecycles.
Supply support for CY8C4147LQSS275XQSA1 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, and security ICs - with global R&D centers and ISO/TS 16949-certified automotive production lines.
This part belongs to the PSoC™ 4100S Plus product line, engineered specifically for automotive-grade human-machine interfaces requiring integrated capacitive sensing, CAN connectivity, and ultra-low-power operation in harsh environments.
FAQ
Does CY8C4147LQSS275XQSA1 support CAN FD?
No. This device implements CAN 2.0B with time-triggered extensions (TTCAN), not CAN FD. It supports up to 1 Mbps classical CAN bit rates and deterministic scheduling via hardware message objects, but lacks the variable data length and bit-rate switching features of CAN FD. For CAN FD requirements, consider Infineon's AURIX™ TC3xx family.
Can CAPSENSE™ operate during Deep Sleep mode?
Yes. The CSD block and associated analog resources (IDACs, sense clocks) remain fully functional in Deep Sleep mode with typical current draw of 2.5 µA. SmartSense™ auto-tuning runs autonomously without CPU intervention, enabling wake-on-touch with sub-100 ms response time from Deep Sleep.
What debug interface does CY8C4147LQSS275XQSA1 use?
It uses ARM Serial Wire Debug (SWD) over dedicated SWDIO and SWCLK pins. No JTAG support. Programming and debugging are supported via MiniProg3, KitProg2/3, or industry-standard SWD probes (e.g., Segger J-Link) compatible with ModusToolbox™ and PSoC™ Creator IDEs.
Is the 12-bit SAR ADC capable of simultaneous sampling?
No. The SAR ADC has a single conversion engine with a channel sequencer that supports automatic scanning across up to 32 inputs, including averaging and differential pair selection - but it does not support true simultaneous sampling across multiple channels. For synchronized multi-channel acquisition, external analog multiplexing or parallel ADCs are required.
CY8C4147LQSS275XQSA1 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, LCD, 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:
CY8C4147LQSS275XQSA1 FAQ
1.How can I place an order for CY8C4147LQSS275XQSA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQSS275XQSA1 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 CY8C4147LQSS275XQSA1 reliable?
The price and inventory of CY8C4147LQSS275XQSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQSS275XQSA1 is usually 5 days.
3.What payment methods are accepted for CY8C4147LQSS275XQSA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147LQSS275XQSA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147LQSS275XQSA1?
CY8C4147LQSS275XQSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LQSS275XQSA1 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 CY8C4147LQSS275XQSA1?
For technical support, including CY8C4147LQSS275XQSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQSS275XQSA1 requirements.
6.How does Aetrix verify that CY8C4147LQSS275XQSA1 is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQSS275XQSA1 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 CY8C4147LQSS275XQSA1 meets industry standards.
7.What is the process for return or replacement of CY8C4147LQSS275XQSA1?
All CY8C4147LQSS275XQSA1 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQSS275XQSA1, 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 CY8C4147LQSS275XQSA1 part is unused and in its original packaging.
Return procedure for CY8C4147LQSS275XQSA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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