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Infineon Technologies CY8C4147LQS-S265T
- Part No.:
- CY8C4147LQS-S265T
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-VFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQS-S265T.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64QFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,755
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Product details
Overview
CY8C4147LQS-S265T 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 delivers programmable analog (2 opamps, 12-bit 1-Msps SAR ADC, 2 IDACs), digital logic (8 TCPWM, 5 SCBs), CAN 2.0B with TTCAN support, and LCD segment drive - deployed in automotive body control modules requiring robust touch HMI and motor timing.
For engineers reviewing the CY8C4147LQS-S265T datasheet, CY8C4147LQS-S265T pinout, CY8C4147LQS-S265T application, or CY8C4147LQS-S265T equivalent, key selection criteria include AEC-Q100 Grade-S qualification, CAPSENSE™ SNR > 5:1 with water tolerance, CAN 2.0B + TTCAN compliance, Deep Sleep current ≤ 2.5 µA, and 54 GPIO with configurable drive modes and analog/digital/CAPSENSE™ routing flexibility.
Technical Context
The device integrates a hardened automotive MCU subsystem with deterministic real-time peripherals: eight 16-bit TCPWM blocks support center-aligned PWM and quadrature decoding for motor control, while comparator-triggered Kill signals enable safe shutdown in high-reliability drive applications. Its five reconfigurable Serial Communication Blocks (SCBs) operate as I²C, SPI, UART, or LIN slave - each independently clocked and interrupt-mapped.
Analog subsystem includes two continuous-time opamps with Deep Sleep operation, a 12-bit SAR ADC with channel sequencer and signal averaging, and a dedicated capacitance-sensing sigma-delta (CSD) block delivering >5:1 SNR. The CAN 2.0B controller supports time-triggered communication (TTCAN) with hardware timestamping and message filtering aligned to ISO 11898-1.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+ @ 48 MHz - deterministic single-cycle execution for real-time control loops |
| Memory | 128 KB flash (with Read Accelerator) + 16 KB SRAM - sufficient for OTA-capable automotive firmware with CAPSENSE™ and CAN stack |
| ADC | 12-bit SAR, 1-Msps, differential/single-ended, channel sequencer with averaging - enables precise battery voltage, temperature, and sensor monitoring |
| CAPSENSE™ | Capacitive sigma-delta (CSD) with SmartSense auto-tuning, SNR > 5:1 - certified for wet-finger operation in automotive door panels and center consoles |
| CAN Interface | CAN 2.0B with TTCAN support, hardware message filtering and timestamping - meets ISO 11898-1 for body network messaging and time-critical actuator control |
| Power Range | 1.71 V to 5.5 V supply, Deep Sleep current ≤ 2.5 µA - enables always-on wake-on-touch functionality with ultra-low quiescent drain |
| GPIO | 54 programmable pins, all support CAPSENSE™/analog/digital, configurable drive strength/slew rate - eliminates external level shifters in mixed-voltage designs |
Pinout & Package
Package: 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), thermally enhanced with exposed thermal pad (EPAD).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO3 | I/O Power Supply Rails | Independent 1.71–5.5 V domains per port group - enables mixed-voltage interfacing (e.g., 3.3 V MCU core + 5 V analog sensors) |
| P0[0]–P0[7], P1[0]–P1[7], etc. | Programmable GPIO | Each pin supports CAPSENSE™, analog input/output, digital logic, or LCD segment drive - no fixed-function pin constraints |
| CAN_TX / CAN_RX | Dedicated CAN Transceiver Interface | Direct connection to external CAN transceiver (e.g., TJA1042); supports bus fault detection and loopback test mode |
| XTAL_IN / XTAL_OUT | External Crystal Oscillator Input/Output | Supports 4–33 MHz ECO for precise clock source; required for CAN bit timing accuracy and USB-free synchronization |
| WCO_IN / WCO_OUT | 32-kHz Watch Crystal Oscillator | Enables RTC operation and low-power wake-up timing independent of main clock domain |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense Auto-Tuning | Hardware-accelerated CAPSENSE™ calibration eliminating manual firmware tuning across temperature/humidity/voltage |
| TTCAN Compliance | Time-triggered CAN scheduling with hardware timestamping and guaranteed latency - essential for synchronized lighting or window lift control |
| Deep Sleep Analog Operation | Opamps and comparators remain active in Deep Sleep at ≤2.5 µA system current - enables wake-on-touch without full MCU wake |
| Configurable SCBs | Five serial blocks dynamically reassignable as I²C/SPI/UART/LIN slave - reduces BOM count by consolidating communication interfaces |
| Programmable Logic (Smart I/O) | Boolean logic on GPIO inputs/outputs without CPU intervention - implements debounce, edge detection, or state machines in hardware |
Applications
| Automotive Door Module | Body Control Unit (BCU) |
|---|---|
|
Use Scenario: Capacitive touch buttons and sliders on vehicle door panels with water splash resistance. IC Role / Device Role / Timing Role: Primary MCU executing CAPSENSE™ firmware, managing LIN slave communication to central BCU, and driving LED indicators via GPIO PWM. Use Value: SmartSense auto-tuning maintains button responsiveness across condensation and temperature drift without recalibration. |
Use Scenario: Centralized control of interior lighting, power windows, and mirror adjustment with CAN network coordination. IC Role / Device Role / Timing Role: CAN 2.0B node handling time-triggered commands (e.g., synchronized window up/down), TCPWM for dimmable LED drivers, and ADC for ambient light sensing. Use Value: TTCAN ensures deterministic command delivery within 250 µs jitter, meeting OEM timing requirements for coordinated motion. |
| Steering Wheel Touch HMI | Seat Position Memory System |
|
Use Scenario: Multi-function capacitive controls embedded in leather-wrapped steering wheel with glove-mode support. IC Role / Device Role / Timing Role: CAPSENSE™ acquisition engine with noise rejection, CAN interface for vehicle bus integration, and low-power Deep Sleep wake-on-gesture. Use Value: >5:1 SNR enables reliable detection through thick leather and conductive coatings without sensitivity degradation. |
Use Scenario: Non-volatile storage and recall of seat position settings using potentiometer feedback and motor control. IC Role / Device Role / Timing Role: ADC reads linear potentiometers, TCPWM drives DC seat motors with Kill-signal safety shutdown, flash stores profiles with ECC protection. Use Value: Comparator-triggered Kill signal halts motor drive within 100 ns upon overcurrent detection - prevents mechanical damage. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4147AZI-S475 | Same PSoC™ 4100S Plus architecture but in 48-pin TQFP package; lacks exposed thermal pad and has lower thermal performance. | Preferred for prototyping with through-hole sockets; unsuitable for high-temperature under-hood deployments. | Select only when PCB layout requires TQFP footprint or socket-based validation is needed pre-production. |
| SPC560B50L5 | 32-bit Power Architecture MCU with ASIL-B capability; no integrated CAPSENSE™ or programmable analog; requires external touch controller. | Targets higher ASIL requirements (e.g., powertrain-adjacent systems); adds BOM cost and design complexity for touch HMI. | Choose when functional safety certification (ISO 26262 ASIL-B) is mandatory and CAPSENSE™ is not required. |
Compared with CY8C4147AZI-S475 and SPC560B50L5, the CY8C4147LQS-S265T uniquely combines AEC-Q100 Grade-S qualification, hardware-accelerated CAPSENSE™, TTCAN, and Deep Sleep analog operation in a thermally optimized QFN - reducing component count and firmware development effort for automotive touch HMI nodes.
Availability
CY8C4147LQS-S265T is available at Aetrix Electronics and suitable for automotive body electronics, touch-based human-machine interfaces, and CAN-connected sensor nodes requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CY8C4147LQS-S265T 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 is a German semiconductor manufacturer specializing in automotive, power management, and security ICs, with leadership in AEC-Q100-qualified microcontrollers and radar solutions.
This part belongs to the PSoC™ 4100S Plus product line - engineered for automotive body electronics requiring integrated capacitive sensing, CAN connectivity, and low-power operation across –40°C to +105°C.
FAQ
Does CY8C4147LQS-S265T support ISO 11898-1 compliant CAN physical layer?
No - it implements the CAN protocol controller only. A separate CAN transceiver (e.g., TJA1042 or TCAN1042) is required for physical layer compliance, differential signaling, and bus fault protection. The device provides CAN_TX and CAN_RX signals compatible with industry-standard transceivers.
What is the maximum operating frequency of the internal main oscillator (IMO)?
The internal main oscillator (IMO) operates at a factory-trimmed 48 MHz with ±2% accuracy across temperature and voltage. It serves as the default clock source for CPU and peripherals unless replaced by PLL output or external crystal; no software tuning or calibration is required for nominal operation.
Can all 54 GPIO pins be used simultaneously for CAPSENSE™ sensing?
No - CAPSENSE™ requires dedicated routing resources and shared analog buses. While any GPIO can be assigned to CAPSENSE™, simultaneous use of all 54 pins is limited by analog mux bandwidth and CSD block resource allocation. Practical designs typically deploy 16–32 sensors per device, validated in AN85951.
Is ModusToolbox™ required to develop firmware for this device?
No - both ModusToolbox™ and legacy PSoC™ Creator are supported. ModusToolbox™ offers modern IDE-neutral workflows and GitHub-hosted PDL/middleware, while PSoC™ Creator provides schematic-based design entry and automatic analog/digital routing. Either environment fully supports TCPWM, CAN, and CAPSENSE™ configuration.
CY8C4147LQS-S265T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-VFQFN Exposed Pad
- Series:
- PSOC™ 4 CY8C4100
- 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, 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-S265T FAQ
1.How can I place an order for CY8C4147LQS-S265T through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQS-S265T 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-S265T reliable?
The price and inventory of CY8C4147LQS-S265T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQS-S265T is usually 5 days.
3.What payment methods are accepted for CY8C4147LQS-S265T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147LQS-S265T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147LQS-S265T?
CY8C4147LQS-S265T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LQS-S265T 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-S265T?
For technical support, including CY8C4147LQS-S265T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQS-S265T requirements.
6.How does Aetrix verify that CY8C4147LQS-S265T is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQS-S265T 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-S265T meets industry standards.
7.What is the process for return or replacement of CY8C4147LQS-S265T?
All CY8C4147LQS-S265T units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQS-S265T, 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-S265T part is unused and in its original packaging.
Return procedure for CY8C4147LQS-S265T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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