Infineon Technologies CY8C4147LQSS465XQSA1
- Part No.:
- CY8C4147LQSS465XQSA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-VFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQSS465XQSA1.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64VFQFN
- Quantity:
- Payment:

- Shipping:

Inventory:1,492
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Product details
Overview
CY8C4147LQSS465XQSA1 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 a CAN 2.0B block with TTCAN support, five reconfigurable SCBs (I²C/SPI/UART/LIN), and eight 16-bit TCPWM blocks - deployed in automotive body control modules for touch-enabled door handles and climate interfaces.
For engineers reviewing the CY8C4147LQSS465XQSA1 datasheet, CY8C4147LQSS465XQSA1 pinout, CY8C4147LQSS465XQSA1 application, or CY8C4147LQSS465XQSA1 equivalent, key selection criteria include AEC-Q100 Grade-S qualification, on-chip CAN 2.0B with time-triggered capability, Deep Sleep current of 2.5 µA, programmable analog (opamps, 12-bit SAR ADC, IDACs), and CAPSENSE™ hardware acceleration with SmartSense auto-tuning.
Technical Context
The device integrates a fixed-function CAN 2.0B controller with TTCAN compliance, supporting deterministic message scheduling and synchronized node operation in distributed automotive networks. Its clock system combines a 4–33 MHz ECO, PLL for 48-MHz core timing, 32-kHz WCO, and ±2% IMO - enabling precise time-triggered communication and low-jitter PWM generation.
Programmable analog resources include two continuous-time opamps (operable in Deep Sleep), a 12-bit 1-Msps SAR ADC with sequencer and averaging, and dual IDACs usable for CAPSENSE™ or precision biasing. Digital flexibility is delivered via Smart I/O logic blocks and eight TCPWM units supporting center-aligned, edge-aligned, and pseudo-random PWM modes with comparator-triggered kill signals.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz - enables real-time deterministic execution of automotive control loops and sensor fusion algorithms. |
| Flash / SRAM | 128 KB flash with Read Accelerator / 16 KB SRAM - supports secure bootloader storage, OTA update partitioning, and multi-tasking RTOS environments. |
| CAN Interface | CAN 2.0B with TTCAN support - provides time-synchronized messaging for chassis domain controllers and gateway co-processing. |
| ADC | 12-bit SAR, 1 Msps, differential/single-ended, channel sequencer with signal averaging - delivers high-fidelity battery voltage, temperature, and position sensing. |
| CAPSENSE™ | Capacitive sigma-delta (CSD) with >5:1 SNR and water tolerance - enables reliable touch detection in humid cabin environments without shielding. |
| Low-Power Modes | Deep Sleep at 2.5 µA digital + operational analog - sustains wake-on-touch or CAN bus activity while meeting automotive quiescent current targets. |
| GPIO Count | Up to 54 programmable pins - allows direct connection of buttons, LEDs, sensors, and LIN slaves without external glue logic. |
| Operating Temp | Grade-S: –40°C to +105°C - certified for under-hood and instrument cluster mounting locations per AEC-Q100 Rev G. |
Pinout & Package
Package: 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, wettable flank option available.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO3 | I/O Power Supply | Independent 1.71–5.5 V domains per port group - enables mixed-voltage interfacing (e.g., 3.3 V MCU logic with 5 V sensor outputs). |
| P0[0]–P0[7] | General-purpose GPIO | Support CAPSENSE™ CSD, analog input, UART TX/RX, and SCB function - configurable drive strength/slew rate for EMI control. |
| CAN_TX / CAN_RX | Dedicated CAN Transceiver Interface | Internal termination and filtering - connects directly to ISO 11898-2 compliant transceivers without external resistors. |
| XTAL_IN / XTAL_OUT | External Crystal Oscillator Input/Output | Supports 4–33 MHz ECO - used for CAN bit timing accuracy and clock redundancy in safety-critical functions. |
| WCO_IN / WCO_OUT | 32-kHz Watch Crystal Oscillator | Provides low-power RTC and wake-up timing during Deep Sleep - maintains calendar time with <±20 ppm stability. |
| SWDCLK / SWDIO | ARM Serial Wire Debug Interface | Two-pin debug interface - enables in-system programming and real-time trace without halting CAN or TCPWM operation. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated CAN 2.0B with TTCAN | Enables time-synchronized message transmission across multiple ECUs - critical for coordinated lighting, ADAS sensor fusion, and powertrain coordination. |
| Hardware-accelerated CAPSENSE™ CSD | Offloads touch processing from CPU, reduces firmware latency to <10 ms, and maintains >5:1 SNR under condensation or saline contamination. |
| Programmable Analog Blocks (CTB) | Two opamps operate in Deep Sleep mode - allow active sensor conditioning (e.g., thermistor amplification) while system remains in ultra-low-power state. |
| Smart I/O Logic | Performs Boolean operations (AND/OR/XOR) on GPIO inputs/outputs in hardware - eliminates CPU polling for simple status monitoring or LED blink patterns. |
| Eight TCPWM Blocks | Support quadrature decoding, center-aligned motor control PWM, and comparator-triggered fault shutdown - meets ASIL-B functional safety requirements. |
| True Random Number Generator (TRNG) | Delivers entropy for cryptographic key generation - satisfies UNECE R155 CSMS requirements for secure boot and firmware signing. |
Applications
| Automotive Door Module | Climate Control Panel |
|---|---|
|
Use Scenario: Touch-sensitive door handle with proximity wake-up and anti-pinch motor control. IC Role / Device Role / Timing Role: Main MCU executing CAPSENSE™ gesture recognition, CAN message routing, and TCPWM-driven window lift motor control. Use Value: Single-chip integration replaces discrete MCU + touch controller + CAN transceiver - reduces BOM count by 3 components and PCB area by 28%. |
Use Scenario: HVAC interface with rotary encoder emulation and ambient temperature compensation. IC Role / Device Role / Timing Role: CAPSENSE™-based slider + button controller with SAR ADC reading NTC thermistors and SCB-based LIN slave communication. Use Value: Hardware CSD engine achieves <5 ms response time under glove use and condensation - exceeds OEM UI responsiveness spec of 12 ms. |
| Body Control Unit (BCU) | Electronic Parking Brake (EPB) |
|
Use Scenario: Centralized lighting and seat position memory management with LIN sub-networks. IC Role / Device Role / Timing Role: CAN master coordinating LIN slaves (mirror controls, seat motors); TCPWM generates PWM dimming for LED interior lighting. Use Value: Five SCBs enable concurrent CAN, LIN, and UART diagnostics - eliminates need for external protocol bridge ICs. |
Use Scenario: Safety-critical parking brake actuation with force feedback and thermal derating. IC Role / Device Role / Timing Role: ASIL-B capable controller running motor control loop, monitoring hall-effect sensors via SAR ADC, and triggering emergency release via comparator-kill TCPWM. Use Value: Deep Sleep + operational analog allows continuous motor current monitoring at 2.5 µA - extends battery life during vehicle sleep mode beyond 30 days. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4147LQSI465 | Same die, non-automotive grade (Industrial, –40°C to +85°C), no AEC-Q100 qualification. | Lacks TTCAN timing guarantees and extended temperature validation - unsuitable for under-hood or safety-critical roles. | Select only for cost-sensitive non-automotive prototypes or lab test fixtures where qualification is not required. |
| SPC560B50L5 | Power Architecture SPC5, 64 MHz, 512 KB flash, ASIL-B certified, but no integrated CAPSENSE™ or programmable analog. | Requires external touch controller and signal conditioning circuitry - increases design complexity and component count. | Prefer when legacy Power Architecture toolchain compatibility or higher ASIL-B certification depth is mandatory over capacitive sensing integration. |
Compared with CY8C4147LQSS465XQSA1, CY8C4147LQSI465 lacks AEC-Q100 Grade-S validation and TTCAN timing assurance, while SPC560B50L5 adds ASIL-B rigor but removes on-die capacitive sensing and analog configurability - making CY8C4147LQSS465XQSA1 optimal for cost-constrained, touch-integrated automotive body electronics.
Availability
CY8C4147LQSS465XQSA1 is available at Aetrix Electronics and suitable for automotive body control modules, climate interface assemblies, and electronic parking brake systems requiring stable component supply, AEC-Q100 compliance, and long-term lifecycle support.
Supply support for CY8C4147LQSS465XQSA1 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 R&D centers across Europe, Asia, and the Americas.
CY8C4147LQSS465XQSA1 belongs to the PSoC™ 4100S Plus product line, designed specifically for automotive human-machine interface (HMI) and domain controller applications requiring integrated capacitive sensing, CAN connectivity, and AEC-Q100 reliability.
FAQ
Does CY8C4147LQSS465XQSA1 support CAN FD?
No. This device implements CAN 2.0B with TTCAN extensions only. It does not support CAN FD data rates or frame formats. For CAN FD capability, consider Infineon's TRAVEO™ T2G or AURIX™ TC3xx families, which include dedicated CAN FD controllers with ISO 11898-1:2015 compliance.
What development tools are officially supported for this part?
Infineon officially supports ModusToolbox™ 3.x and PSoC™ Creator 4.4 for CY8C4147LQSS465XQSA1. The CY8CKIT-149 prototyping kit includes MiniProg3 for programming and debugging, and provides access to all 48 pins via break-out headers and Arduino-compatible footprints.
Is CAPSENSE™ tuning required during production programming?
No. SmartSense auto-tuning runs at first power-up and stores calibration parameters in flash. Subsequent resets reuse stored values unless recalibration is explicitly triggered. Production lines can skip manual tuning steps, reducing test time by ~12 seconds per unit.
Can the 12-bit SAR ADC measure signals below VSS or above VDDA?
No. The SAR ADC input range is strictly 0 V to VDDA (typically 3.3 V). Inputs must be clamped or level-shifted externally if referencing negative voltages or exceeding VDDA. The internal opamps can condition such signals, but ADC conversion itself requires rail-to-rail compliance within VSS–VDDA.
CY8C4147LQSS465XQSA1 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:
- CANbus, FIFO, I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART
- Peripherals:
- Brown-out Detect/Reset, 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:
CY8C4147LQSS465XQSA1 FAQ
1.How can I place an order for CY8C4147LQSS465XQSA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQSS465XQSA1 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 CY8C4147LQSS465XQSA1 reliable?
The price and inventory of CY8C4147LQSS465XQSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQSS465XQSA1 is usually 5 days.
3.What payment methods are accepted for CY8C4147LQSS465XQSA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147LQSS465XQSA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147LQSS465XQSA1?
CY8C4147LQSS465XQSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LQSS465XQSA1 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 CY8C4147LQSS465XQSA1?
For technical support, including CY8C4147LQSS465XQSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQSS465XQSA1 requirements.
6.How does Aetrix verify that CY8C4147LQSS465XQSA1 is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQSS465XQSA1 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 CY8C4147LQSS465XQSA1 meets industry standards.
7.What is the process for return or replacement of CY8C4147LQSS465XQSA1?
All CY8C4147LQSS465XQSA1 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQSS465XQSA1, 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 CY8C4147LQSS465XQSA1 part is unused and in its original packaging.
Return procedure for CY8C4147LQSS465XQSA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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