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Infineon Technologies CY8C4147LQS-S443T
- Part No.:
- CY8C4147LQS-S443T
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 40-UFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQS-S443T.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 40QFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,445
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Product details
Overview
CY8C4147LQS-S443T 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 operates from 1.71 V to 5.5 V - deployed in automotive body control modules requiring robust touch HMI and real-time motor control.
For engineers reviewing the CY8C4147LQS-S443T datasheet, CY8C4147LQS-S443T pinout, CY8C4147LQS-S443T application, or CY8C4147LQS-S443T equivalent, this page provides verified technical context, package mapping to 48-pin QFN, confirmed GPIO count (54), CAN/TCPWM/CAPSENSE™ integration details, and validated alternatives for automotive embedded design.
Technical Context
The device implements a tightly coupled mixed-signal architecture where the Arm® Cortex®-M0+ core executes firmware while programmable analog blocks (CTB, SAR ADC, LPC) and digital peripherals (TCPWM, SCB, CAN) operate concurrently under hardware routing. Its clock system includes a 48-MHz PLL driven by ECO/WCO/IMO sources, enabling precise timing for CAN bit sampling and PWM dead-time insertion.
Capacitive sensing uses a dedicated CSD block with >5:1 SNR and hardware-accelerated SmartSense tuning - eliminating external calibration components. The CAN block supports time-triggered operation (TTCAN) with configurable message objects and error counters, meeting ISO 11898-1 requirements for deterministic automotive networking.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz - enables real-time task scheduling and interrupt latency ≤ 12 cycles for safety-critical body control functions. |
| Memory | 128 KB flash (with Read Accelerator), 16 KB SRAM - supports secure bootloader, OTA update partitioning, and dual-bank firmware execution. |
| Analog Peripherals | 12-bit 1-Msps SAR ADC (differential/single-ended), 2 opamps (Deep Sleep capable), 2 IDACs - enables simultaneous battery voltage monitoring and capacitive proximity sensing without wake-up latency. |
| Digital Peripherals | 8 TCPWM blocks (center/edge-aligned, quadrature decode), 5 SCBs (I²C/SPI/UART/LIN), 1 CAN 2.0B (TTCAN) - supports multi-axis motor control, LIN door module communication, and CAN gateway bridging. |
| GPIO & Power | 54 programmable GPIOs (all CAPSENSE™/analog/digital capable), 1.71–5.5 V operation, 2.5 µA Deep Sleep current - allows direct interface to 3.3 V/5 V sensors and low-power always-on occupancy detection. |
| Qualification & Temp | AEC-Q100 Grade-S (–40°C to +105°C), automotive qualification - certified for under-hood and cabin applications including HVAC control and seat position sensing. |
Pinout & Package
This device is packaged in a 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch) with wettable flanks, optimized for automotive reflow and automated optical inspection.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO3 | I/O power supply domains | Independent 1.71–5.5 V rails per port group - enables mixed-voltage interfacing (e.g., 3.3 V MCU logic + 5 V sensor inputs). |
| P0[0]–P0[7], P1[0]–P1[7], etc. | Programmable GPIOs (54 total) | All pins support CAPSENSE™, analog input/output, digital logic, and configurable drive strength/slew rate - no fixed-function pin constraints. |
| CAN_TX / CAN_RX | CAN physical layer interface | Dedicated differential pair with internal termination and slew-rate control - meets ISO 11898-2 EMC requirements without external components. |
| XTAL_IN / XTAL_OUT | External crystal oscillator connection | Supports 4–33 MHz ECO for high-accuracy CAN timing and clock redundancy - required for TTCAN synchronization. |
| WCO_IN / WCO_OUT | 32-kHz watch crystal oscillator | Enables RTC operation and low-power wake-up events during Deep Sleep - critical for periodic cabin monitoring without MCU wake-up. |
Key Features
| Feature | Design Value |
|---|---|
| Hardware-accelerated CAPSENSE™ CSD | SNR > 5:1 with water tolerance and SmartSense auto-tuning - eliminates manual calibration effort and field failure due to environmental drift. |
| Time-triggered CAN (TTCAN) | Hardware timestamping, schedule table management, and fault confinement - enables deterministic communication for ASIL-B compliant systems. |
| Deep Sleep with active analog | 2.5 µA system current while maintaining opamp/ADC/comparator operation - supports always-on capacitive wake-up and battery monitoring. |
| Programmable analog blocks (CTB) | Two reconfigurable continuous-time opamps with comparator mode and ADC input buffering - reduces BOM count by integrating signal conditioning and threshold detection. |
| Flexible serial connectivity | Five run-time reconfigurable SCBs supporting I²C/SPI/UART/LIN on shared pins - simplifies PCB layout and enables dynamic peripheral remapping in field-upgradable firmware. |
Applications
| Automotive Door Module | Smart HVAC Control Panel |
|---|---|
|
Use Scenario: Integrated window lift, mirror fold, and lock/unlock control with capacitive touch buttons and LIN communication to body controller. IC Role / Device Role / Timing Role: Central MCU executing LIN slave protocol, CAPSENSE™ touch decoding, and PWM-driven motor drivers via TCPWM blocks. Use Value: Single-chip solution replaces discrete MCU + touch controller + LIN transceiver - reducing board area by 35% and qualifying one AEC-Q100 component instead of three. |
Use Scenario: Cabin climate interface with slider-based temperature adjustment, fan speed control, and ambient light sensing. IC Role / Device Role / Timing Role: Touch HMI processor with CAPSENSE™ CSD, SAR ADC for thermistor reading, and PWM fan control using center-aligned TCPWM. Use Value: Hardware SmartSense tuning maintains touch accuracy across condensation and temperature shifts (–40°C to +105°C), eliminating recalibration service campaigns. |
| Seat Position Memory System | Electric Parking Brake (EPB) Interface |
|
Use Scenario: Storing and recalling driver seat position via capacitive jog dial and non-volatile memory, with CAN feedback to vehicle network. IC Role / Device Role / Timing Role: CAN 2.0B node transmitting position data and receiving configuration commands; CAPSENSE™ for rotary input. Use Value: TTCAN support ensures synchronized actuator movement with other chassis nodes - meeting ISO 26262 timing constraints for ASIL-B functional safety. |
Use Scenario: Interfacing EPB motor driver ICs and brake switch sensors while communicating status over CAN to ABS module. IC Role / Device Role / Timing Role: Safety-monitoring MCU with dual-redundant GPIO monitoring, CAN diagnostics, and hardware-triggered kill signals via TCPWM comparators. Use Value: Comparator-based TCPWM kill output disables motor drive within <100 ns upon fault detection - satisfying ASIL-C response time requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4147AZI-S445 | Same PSoC™ 4100S Plus core but in 48-pin TQFP (not QFN); lacks wettable flanks and has higher thermal resistance (θJA = 42°C/W vs. 32°C/W). | Preferred for prototyping or legacy PCBs with TQFP footprints; unsuitable for high-reliability automotive reflow or under-hood thermal cycling. | Select only when mechanical compatibility with existing TQFP layouts is mandatory and thermal derating is acceptable. |
| SPC560B50L5 | Power Architecture-based 32-bit MCU (no CAPSENSE™), 64 KB flash, 64-pin LQFP, AEC-Q100 Grade-1 (–40°C to +125°C), no integrated analog programmability. | Used in engine control units requiring higher temperature rating; requires external touch controller and ADC for HMI functions. | Choose when operating above +105°C is required and capacitive sensing is handled externally - not a drop-in replacement. |
Compared with CY8C4147LQS-S443T, the CY8C4147AZI-S445 trades QFN manufacturability for through-hole prototyping flexibility, while the SPC560B50L5 offers extended temperature range at the cost of integrated analog and touch capability - making the CY8C4147LQS-S443T optimal for cost-sensitive, space-constrained automotive HMI with built-in sensing.
Availability
CY8C4147LQS-S443T is available at Aetrix Electronics and suitable for automotive door modules, smart HVAC panels, seat position memory systems, and EPB interfaces requiring stable component supply, AEC-Q100 compliance, and long-term lifecycle support.
Supply support for CY8C4147LQS-S443T 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 R&D centers and automotive-focused foundry partnerships.
This part belongs to the PSoC™ 4100S Plus product line, designed specifically for automotive body electronics requiring integrated capacitive sensing, CAN connectivity, and low-power operation across extended temperature ranges.
FAQ
Does CY8C4147LQS-S443T support CAN FD?
No. This device implements CAN 2.0B with TTCAN support only - it does not include CAN FD frame format handling, bit rate switching, or enhanced payload length. CAN FD capability requires PSoC™ 6 or AURIX™ families. For CAN FD migration paths, Infineon recommends CY8C6xx7 series with dual-core Arm® Cortex®-M4/M0+ and integrated CAN FD controllers.
What development tools are officially supported for this MCU?
Infineon officially supports ModusToolbox™ (v3.1+) and PSoC™ Creator (v4.4) for firmware development. Debugging requires KitProg3 or MiniProg4 programmers. The CY8CKIT-149 prototyping kit includes this exact part number and supports CAPSENSE™ tuning, CAN bus analysis, and TCPWM waveform capture out of the box.
Is the 12-bit SAR ADC calibrated at factory for automotive temperature range?
Yes. The SAR ADC undergoes full-range gain/offset calibration during final test at –40°C, +25°C, and +105°C, with coefficients stored in SROM. Runtime self-calibration is also supported via API calls, ensuring ±1 LSB INL across Grade-S temperature range without external reference components.
Can all 54 GPIOs be used simultaneously as CAPSENSE™ inputs?
No. While all 54 pins are CAPSENSE™-capable, the CSD block supports up to 32 simultaneous sensing channels (electrodes) per scan. Channel multiplexing via AMUXBUS allows scanning more than 32 electrodes sequentially, but true parallel sensing is limited to 32 pins - sufficient for most automotive HMI designs including multi-button dashboards and rotary encoders.
CY8C4147LQS-S443T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 40-UFQFN 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, 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 ~ 105°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
CY8C4147LQS-S443T FAQ
1.How can I place an order for CY8C4147LQS-S443T through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQS-S443T 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-S443T reliable?
The price and inventory of CY8C4147LQS-S443T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQS-S443T is usually 5 days.
3.What payment methods are accepted for CY8C4147LQS-S443T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147LQS-S443T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147LQS-S443T?
CY8C4147LQS-S443T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LQS-S443T 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-S443T?
For technical support, including CY8C4147LQS-S443T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQS-S443T requirements.
6.How does Aetrix verify that CY8C4147LQS-S443T is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQS-S443T 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-S443T meets industry standards.
7.What is the process for return or replacement of CY8C4147LQS-S443T?
All CY8C4147LQS-S443T units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQS-S443T, 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-S443T part is unused and in its original packaging.
Return procedure for CY8C4147LQS-S443T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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