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Infineon Technologies CY8C4147LQSS455XQSA1
- Part No.:
- CY8C4147LQSS455XQSA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-VFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQSS455XQSA1.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64VFQFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,204
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Product details
Overview
CY8C4147LQSS455XQSA1 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 serial communication blocks (SCB), eight 16-bit TCPWM units, a CAN 2.0B controller with TTCAN support, and two opamps operable in Deep Sleep mode. Used in automotive body control modules for touch-enabled door handles and climate panels.
For engineers reviewing the CY8C4147LQSS455XQSA1 datasheet, CY8C4147LQSS455XQSA1 pinout, CY8C4147LQSS455XQSA1 application, or CY8C4147LQSS455XQSA1 equivalent, key selection criteria include AEC-Q100 Grade-S qualification, on-chip CAPSENSE™ with SmartSense auto-tuning, CAN 2.0B + TTCAN compliance, 2.5 µA Deep Sleep current, and ModusToolbox™/PSoC™ Creator toolchain integration.
Technical Context
The device integrates a programmable analog subsystem with two continuous-time opamps (CTB), a 12-bit 1-Msps SAR ADC with sequencer and averaging, and dual low-power comparators active in Deep Sleep. Its digital fabric includes eight TCPWM blocks supporting center-aligned PWM, quadrature decoding, and comparator-triggered kill signals for motor safety logic.
Five SCBs provide runtime-reconfigurable I²C/SPI/UART/LIN functionality, while the dedicated CAN 2.0B block supports time-triggered operation and message filtering. Clocking combines a 4–33 MHz ECO, PLL, 32-kHz WCO, and ±2% IMO - enabling precise timing across automotive domains including infotainment UI response and powertrain sensor synchronization.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz - enables real-time deterministic execution for ASIL-B–capable control loops. |
| Flash / SRAM | 128 KB flash with Read Accelerator / 16 KB SRAM - supports secure bootloader, OTA update partitions, and multi-sensor fusion buffers. |
| Operating Voltage | 1.71 V to 5.5 V - allows direct interface with 3.3 V and 5 V automotive peripherals without level-shifting. |
| Deep Sleep Current | 2.5 µA digital system current - sustains wake-on-touch or CAN bus activity in always-on vehicle entry systems. |
| CAPSENSE™ SNR | >5:1 signal-to-noise ratio - ensures reliable wet-finger detection and water tolerance in exterior door controls. |
| CAN Interface | CAN 2.0B with TTCAN support - meets ISO 11898-1 and ISO/DIS 11898-4 for synchronized actuator control in body domain ECUs. |
| GPIO Count | Up to 54 programmable pins - enables single-chip integration of touch, LED drive, LIN slave, and analog sensor interfaces. |
Pinout & Package
Package: 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO3 | I/O Power Supply Rails | Independent 1.71–5.5 V domains per port group - 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 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 | Internal differential driver/receiver compliant with ISO 11898-2 - eliminates need for external CAN transceiver in cost-sensitive nodes. |
| XTAL_IN / XTAL_OUT | External Crystal Oscillator Input/Output | Supports 4–33 MHz crystals for ECO - required for CAN bit timing accuracy and clock calibration in temperature-varying environments. |
| WCO_IN / WCO_OUT | 32-kHz Watch Crystal Oscillator | Enables RTC operation and low-power wake-up events during Deep Sleep - critical for periodic CAN bus monitoring without full wake-up. |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense Auto-Tuning | Hardware-accelerated CAPSENSE™ calibration eliminates manual firmware tuning - reduces development time for touch buttons across plastic, glass, and metal overlays. |
| Reconfigurable SCBs | Five independent serial blocks dynamically switch between I²C master/slave, SPI master/slave, UART, or LIN slave - simplifies BOM by consolidating protocol ICs into one MCU. |
| Deep Sleep Analog Operation | Opamps and comparators remain active at 2.5 µA system current - enables continuous capacitive proximity sensing or battery voltage monitoring in parked vehicle mode. |
| TTCAN Support | Time-triggered CAN scheduling with guaranteed message latency - satisfies functional safety requirements for coordinated lighting or seat position control in ASIL-B systems. |
| True Random Number Generator | On-chip TRNG certified per NIST SP 800-90B - provides entropy source for secure key generation in automotive UWB anchor authentication or firmware signing. |
Applications
| Automotive Door Handle Interface | Climate Control Panel |
|---|---|
|
Use Scenario: Capacitive touch detection on sealed metal door handles under rain, ice, or glove use. IC Role / Device Role / Timing Role: Primary MCU executing CAPSENSE™ firmware, CAN message framing, and LED status feedback. Use Value: >5:1 SNR and SmartSense ensure false-trigger-free operation across –40°C to +105°C, meeting OEM IP67 ingress protection specs. |
Use Scenario: Multi-zone HVAC control panel with slider, buttons, and ambient light-adjusted backlight. IC Role / Device Role / Timing Role: System-on-chip managing touch UI, PWM-driven LED dimming, I²C sensor reads (temp/humidity), and LIN slave communication to HVAC ECU. Use Value: Integrated opamps buffer analog sensor signals; five SCBs eliminate external protocol ICs; 128 KB flash hosts multiple UI language assets. |
| Body Control Module (BCM) Subnode | Seat Position Memory Node |
|
Use Scenario: Low-cost distributed node controlling interior lighting, mirror folding, and window lift via LIN/CAN gateway. IC Role / Device Role / Timing Role: LIN slave with CAN passthrough, driving MOSFETs via TCPWM outputs with hardware kill signal for stall protection. Use Value: Comparator-triggered TCPWM kill signals respond in <100 ns - prevents motor damage during mechanical jam without software intervention. |
Use Scenario: Memory seat module storing and recalling position via non-volatile flash, powered from battery during ignition-off. IC Role / Device Role / Timing Role: Always-on Deep Sleep controller monitoring seat switch inputs, logging positions to flash, and transmitting via CAN on request. Use Value: 2.5 µA Deep Sleep current extends battery life beyond 10 years in quiescent state; internal EEPROM emulation avoids external NV memory. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4147LQSI455 | Grade-A (–40°C to +85°C), same package and peripheral set but lacks AEC-Q100 Grade-S qualification. | Suitable for non-under-hood consumer or industrial HMI where extended temperature range is not required. | Select only if operating ambient stays ≤85°C and automotive qualification is unnecessary. |
| SPC560B50L5 | Power Architecture-based, 64 MHz, 512 KB flash, ASIL-B certified, but no integrated CAPSENSE™ or programmable analog. | Targeted at higher-ASIL powertrain or chassis control; requires external touch controller and analog signal chain. | Choose when functional safety certification (ISO 26262) is mandatory and touch integration is handled separately. |
Compared with CY8C4147LQSS455XQSA1, CY8C4147LQSI455 trades temperature grade for identical toolchain compatibility, while SPC560B50L5 offers higher ASIL coverage at the cost of design complexity and BOM count - making the Infineon part optimal for cost-sensitive, touch-integrated automotive body electronics.
Availability
CY8C4147LQSS455XQSA1 is available at Aetrix Electronics and suitable for automotive body control modules, capacitive touch HMI systems, and CAN-connected seat/memory nodes requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CY8C4147LQSS455XQSA1 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 solutions, with global manufacturing and R&D centers.
This part belongs to the PSoC™ 4100S Plus product line - designed specifically for automotive human-machine interface (HMI) applications requiring robust capacitive sensing, CAN connectivity, and AEC-Q100 reliability in compact form factors.
FAQ
Does CY8C4147LQSS455XQSA1 support secure boot and cryptographic operations?
Yes. It includes a True Random Number Generator (TRNG) compliant with NIST SP 800-90B and hardware-accelerated AES-128 for secure key generation and firmware encryption. Secure boot is implemented via immutable ROM bootloader with configurable flash protection regions and signature verification using public-key cryptography.
What development tools are officially supported for this device?
Infineon officially supports ModusToolbox™ (v3.1+) and legacy PSoC™ Creator (v4.4). ModusToolbox™ provides Eclipse-based IDE, Peripheral Driver Library (PDL), CAPSENSE™ middleware, and code examples targeting CY8C4147LQSS455XQSA1. Debugging uses KitProg3 or MiniProg4 programmers over SWD interface.
Can the internal opamps drive external analog sensors directly?
Yes. The two continuous-time opamps support rail-to-rail output, programmable gain (1× to 8×), and high-drive mode (up to 25 mA sink/source). They are qualified for direct connection to resistive temperature detectors (RTDs), bridge sensors, or capacitive humidity sensors - with input buffering enabled for SAR ADC acquisition.
Is CAN FD supported on this device?
No. CY8C4147LQSS455XQSA1 implements CAN 2.0B with TTCAN extensions only. It does not support CAN FD data rates or flexible data-length frames. For CAN FD requirements, consider Infineon's AURIX™ TC3xx family or external CAN FD controller interfaced via SPI.
CY8C4147LQSS455XQSA1 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:
CY8C4147LQSS455XQSA1 FAQ
1.How can I place an order for CY8C4147LQSS455XQSA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQSS455XQSA1 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 CY8C4147LQSS455XQSA1 reliable?
The price and inventory of CY8C4147LQSS455XQSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQSS455XQSA1 is usually 5 days.
3.What payment methods are accepted for CY8C4147LQSS455XQSA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147LQSS455XQSA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147LQSS455XQSA1?
CY8C4147LQSS455XQSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LQSS455XQSA1 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 CY8C4147LQSS455XQSA1?
For technical support, including CY8C4147LQSS455XQSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQSS455XQSA1 requirements.
6.How does Aetrix verify that CY8C4147LQSS455XQSA1 is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQSS455XQSA1 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 CY8C4147LQSS455XQSA1 meets industry standards.
7.What is the process for return or replacement of CY8C4147LQSS455XQSA1?
All CY8C4147LQSS455XQSA1 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQSS455XQSA1, 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 CY8C4147LQSS455XQSA1 part is unused and in its original packaging.
Return procedure for CY8C4147LQSS455XQSA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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