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Infineon Technologies CY8C4147LQA-S443
- Part No.:
- CY8C4147LQA-S443
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 40-UFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQA-S443.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 40QFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,756
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Product details
Overview
CY8C4147LQA-S443 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 includes five reconfigurable serial communication blocks (SCBs), eight 16-bit TCPWM units, a CAN 2.0B controller with TTCAN support, and programmable analog blocks - deployed in automotive body electronics, smart sensors, and human-machine interface modules.
For engineers reviewing the CY8C4147LQA-S443 datasheet, CY8C4147LQA-S443 pinout, CY8C4147LQA-S443 application, or CY8C4147LQA-S443 equivalent, this device delivers verified mixed-signal programmability, automotive temperature resilience, hardware-accelerated touch sensing, and CAN/TTCAN timing compliance - critical for ECU design, door module control, and capacitive switch validation.
Technical Context
The CY8C4147LQA-S443 implements a tightly integrated mixed-signal SoC architecture where the Arm® Cortex®-M0+ core executes firmware while programmable digital logic (Smart I/O) and analog blocks (CTB opamps, SAR ADC, IDACs) operate concurrently under shared clock and power domains. Its CAN 2.0B block supports time-triggered operation with deterministic latency ≤ 1.2 µs and configurable message buffers aligned to ISO 11898-1.
Capacitive sensing is implemented via a dedicated CSD block delivering >5:1 SNR and water-tolerant operation using sigma-delta modulation; SmartSense performs real-time calibration without host CPU intervention. The 12-bit 1-Msps SAR ADC supports differential input, channel sequencing, and hardware-averaging across up to 32 channels.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz max - enables real-time deterministic control with Thumb-2 instruction set and NVIC-based interrupt handling. |
| Memory | 128 KB flash (with Read Accelerator), 16 KB SRAM - supports secure bootloader storage, dual-bank firmware updates, and real-time data buffering. |
| ADC | 12-bit SAR, 1 Msps, differential/single-ended, sequencer with averaging - provides high-fidelity sensor signal acquisition for temperature, pressure, or current sensing. |
| CAPSENSE™ | Capacitive sigma-delta (CSD) block with >5:1 SNR and SmartSense auto-tuning - eliminates manual calibration effort and maintains reliability under moisture or EMI stress. |
| CAN Interface | CAN 2.0B with TTCAN support, 32 message objects, programmable bit timing - meets automotive network timing requirements for body control modules and gateway nodes. |
| GPIO | Up to 54 pins, all configurable as analog/digital/CAPSENSE™, with programmable drive strength/slew rate - enables flexible PCB routing and multi-function pin reuse. |
| Power Range | 1.71 V to 5.5 V supply, Deep Sleep current = 2.5 µA (digital) + active analog - supports battery-backed operation in always-on automotive subsystems. |
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 |
|---|---|---|
| VDD | Main power supply input | Accepts 1.71–5.5 V; powers digital core, analog blocks, and I/O banks - requires local 100 nF + 10 µF decoupling. |
| VSS | Digital ground reference | Common return path for digital logic and SCB peripherals; must be low-impedance and separated from analog ground at single-point connection. |
| P0[0]–P0[7] | Programmable GPIO bank 0 | Support CAPSENSE™, analog input/output, or UART/SPI functions; configurable slew rate and drive strength per pin. |
| CAN_TX / CAN_RX | CAN physical layer interface | Differential pair routed to external CAN transceiver; requires 120 Ω termination and common-mode choke per ISO 11898-2. |
| XTAL_IN / XTAL_OUT | External crystal oscillator connection | Drives 4–33 MHz ECO for precise clock generation; supports automotive-grade 20 ppm crystals for CAN timing accuracy. |
| SWD_CLK / SWD_IO | ARM Serial Wire Debug interface | Enables non-intrusive debug, flash programming, and real-time trace via MiniProg3 or KitProg3; shares pins with GPIO on reset. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade-S qualification | Validated for –40°C to +105°C operation with extended life testing - ensures reliability in under-hood and interior automotive environments. |
| Hardware CAPSENSE™ with SmartSense | Self-calibrating CSD engine eliminating firmware tuning loops - reduces development time and improves production yield for touch buttons/sliders. |
| Reconfigurable SCBs (x5) | Each SCB dynamically switches between I²C/SPI/UART/LIN slave modes at runtime - simplifies protocol migration and reduces BOM count in multi-interface systems. |
| TTCAN support | Time-triggered scheduling with guaranteed message transmission windows - satisfies ASAM MCD-2 MC and AUTOSAR COM timing constraints. |
| Deep Sleep with active analog | 2.5 µA system current while maintaining opamp/ADC/comparator operation - enables ultra-low-power wake-on-touch or wake-on-sensor-event functionality. |
Applications
| Automotive Door Module | Smart HVAC Control Panel |
|---|---|
|
Use Scenario: Centralized control of window lift, mirror fold, lock actuation, and ambient lighting in vehicle door assemblies. IC Role / Device Role / Timing Role: Main MCU executing motor control PWM, CAPSENSE™ for touch-sensitive switches, and CAN messaging to body domain controller. Use Value: Single-chip integration replaces discrete MCU + touch controller + CAN transceiver, reducing PCB area by 35% and component count by 12. |
Use Scenario: Touch-enabled climate control interface with rotary encoder emulation and real-time temperature feedback. IC Role / Device Role / Timing Role: CAPSENSE™-based slider/button controller with SAR ADC reading NTC thermistors and TCPWM driving fan speed. Use Value: Hardware-accelerated touch sensing achieves <10 ms response time under condensation, meeting OEM UI responsiveness specs. |
| Body Control Gateway Node | Seat Position Memory Module |
|
Use Scenario: Aggregation and translation of LIN signals from seat/mirror/window ECUs into CAN messages for central body controller. IC Role / Device Role / Timing Role: Dual-role node running LIN slave firmware on one SCB and CAN 2.0B/TTCAN master on another, with DMA-assisted message buffering. Use Value: Deterministic TTCAN scheduling ensures seat position commands are delivered within 500 µs - critical for safety-critical memory recall timing. |
Use Scenario: Non-volatile storage and recall of driver seat position settings using EEPROM-emulated flash and capacitive position sensing. IC Role / Device Role / Timing Role: Flash-resident configuration manager with CAPSENSE™-triggered profile load/store and CAN-based profile sync across multiple seats. Use Value: On-chip flash wear-leveling and ECC enable >100,000 seat position cycles without data corruption - exceeding OEM durability requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable mixed-signal MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4147AZI-S445 | Same PSoC™ 4100S Plus core but in 48-pin TQFP package; lacks wettable flank; rated Grade-A (–40°C to +85°C). | Suitable for non-under-hood industrial HMI, not qualified for under-hood automotive use. | Select only if TQFP footprint is required and temperature range ≤85°C suffices. |
| SPC560B50L5 | 32-bit Power Architecture MCU, no integrated CAPSENSE™, fixed-function peripherals only, no programmable analog/digital blocks. | Requires external touch controller and ADC; higher BOM cost and larger PCB area for equivalent functionality. | Choose when legacy Power Architecture toolchain compatibility is mandatory and mixed-signal flexibility is not needed. |
Compared with CY8C4147AZI-S445 and SPC560B50L5, the CY8C4147LQA-S443 uniquely combines AEC-Q100 Grade-S qualification, hardware CAPSENSE™, and field-programmable analog/digital resources - enabling single-chip solutions for automotive touch interfaces where thermal resilience and design agility are essential.
Availability
CY8C4147LQA-S443 is available at Aetrix Electronics and suitable for automotive body electronics, capacitive HMI development, and CAN-based ECU prototyping requiring stable component supply across production lifecycles.
Supply support for CY8C4147LQA-S443 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 ICs, and security solutions, with global R&D and manufacturing infrastructure.
The PSoC™ 4100S Plus product line targets automotive-grade programmable embedded controllers - designed to unify MCU, analog front-end, capacitive sensing, and CAN connectivity in a single AEC-Q100-qualified die for body electronics and human-machine interface applications.
FAQ
Does CY8C4147LQA-S443 support CAN FD?
No. The integrated CAN block complies strictly with ISO 11898-1:2015 for CAN 2.0B and time-triggered CAN (TTCAN). It does not implement CAN FD frame format, bit-rate switching, or extended data length. For CAN FD applications, consider Infineon's AURIX™ TC3xx family or external CAN FD transceivers paired with software protocol stacks.
Can CAPSENSE™ operate during Deep Sleep mode?
Yes. The CSD block remains fully functional in Deep Sleep mode with 2.5 µA total system current. SmartSense auto-tuning runs autonomously without CPU intervention, and touch interrupts wake the core only upon valid gesture detection - enabling battery-operated automotive key fobs and proximity sensors.
What debug interfaces are supported?
CY8C4147LQA-S443 supports ARM Serial Wire Debug (SWD) via dedicated SWD_CLK and SWD_IO pins. It is compatible with Infineon's MiniProg3 and KitProg3 programmers, as well as third-party J-Link and CMSIS-DAP debuggers. SWD enables full flash programming, real-time variable inspection, and hardware breakpoint control without requiring additional debug headers.
Is ModusToolbox™ required for development?
No. While ModusToolbox™ is Infineon's recommended modern IDE with PDL-based drivers and middleware, legacy PSoC™ Creator (v4.4) fully supports CY8C4147LQA-S443 with schematic-based design entry, automatic routing, and CAPSENSE™ component libraries. Both environments generate identical binary output and support the same hardware features.
CY8C4147LQA-S443 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 40-UFQFN Exposed Pad
- Series:
- PSOC™ 4 CY8C4100S Plus
- Packaging:
- Tray
- 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, DMA, LCD, 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 ~ 85°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
CY8C4147LQA-S443 FAQ
1.How can I place an order for CY8C4147LQA-S443 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQA-S443 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 CY8C4147LQA-S443 reliable?
The price and inventory of CY8C4147LQA-S443 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQA-S443 is usually 5 days.
3.What payment methods are accepted for CY8C4147LQA-S443?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147LQA-S443 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147LQA-S443?
CY8C4147LQA-S443 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LQA-S443 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 CY8C4147LQA-S443?
For technical support, including CY8C4147LQA-S443 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQA-S443 requirements.
6.How does Aetrix verify that CY8C4147LQA-S443 is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQA-S443 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 CY8C4147LQA-S443 meets industry standards.
7.What is the process for return or replacement of CY8C4147LQA-S443?
All CY8C4147LQA-S443 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQA-S443, 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 CY8C4147LQA-S443 part is unused and in its original packaging.
Return procedure for CY8C4147LQA-S443:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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