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Infineon Technologies CY8C4147LQA-S443T
- Part No.:
- CY8C4147LQA-S443T
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 40-UFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQA-S443T.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 40QFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,561
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Product details
Overview
CY8C4147LQA-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 >5:1 SNR. It includes five reconfigurable serial communication blocks (SCBs), eight 16-bit TCPWMs, a CAN 2.0B controller with TTCAN support, and programmable analog blocks including two opamps and a 12-bit 1-Msps SAR ADC. Used in automotive body electronics for touch-enabled control panels requiring functional safety-aware mixed-signal integration.
For engineers reviewing the CY8C4147LQA-S443T datasheet, CY8C4147LQA-S443T pinout, CY8C4147LQA-S443T application, or CY8C4147LQA-S443T equivalent, key selection criteria include AEC-Q100 Grade-S qualification, on-chip CAPSENSE™ with SmartSense auto-tuning, CAN 2.0B + TTCAN capability, Deep Sleep current of 2.5 µA, and GPIO flexibility across 54 pins with configurable drive modes.
Technical Context
The device implements a tightly coupled mixed-signal architecture where the Arm® Cortex®-M0+ core executes firmware while programmable analog (CTB, SAR ADC, IDACs) and digital (TCPWM, SCB, Smart I/O) blocks operate independently under hardware routing control. Its clock system integrates ECO (4–33 MHz), PLL (48 MHz output), WCO (32 kHz), IMO (±2%), and ILO for precise timing across sleep/wake transitions.
The CAN block supports full CAN 2.0B protocol with time-triggered operation (TTCAN), enabling deterministic message scheduling for automotive networked control. CAPSENSE™ uses capacitive sigma-delta (CSD) modulation with hardware-accelerated signal averaging and automatic SmartSense tuning-eliminating manual calibration for wet or noisy environments.
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 interrupt handling. |
| Flash / SRAM | 128 KB flash with Read Accelerator; 16 KB SRAM - supports complex automotive firmware with fast code execution and data buffering. |
| ADC | 12-bit SAR, 1-Msps, differential/single-ended, channel sequencer with signal averaging - delivers high-resolution sensor acquisition with noise rejection. |
| CAPSENSE™ | Capacitive sigma-delta (CSD) with >5:1 SNR and SmartSense auto-tuning - ensures robust touch detection under water, glove, or EMI stress without firmware calibration. |
| CAN Interface | CAN 2.0B with TTCAN support - provides time-deterministic messaging for body control modules and gateway applications. |
| Operating Temp | AEC-Q100 Grade-S: –40°C to +105°C - qualified for under-hood and cabin-mounted automotive ECUs. |
| Low-Power Mode | Deep Sleep with 2.5 µA system current and active analog - enables always-on touch wake-up with minimal battery drain. |
Pinout & Package
Package: 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, thermally enhanced with exposed thermal pad.
| 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 logic + 5 V analog sensors). |
| P0.0–P9.7 | Programmable GPIO | 54 total pins; each supports CAPSENSE™, analog input/output, digital logic, or SCB/CAN functions - no fixed peripheral pinout required. |
| XTAL_IN / XTAL_OUT | External crystal oscillator interface | Connects to 4–33 MHz ECO for precision timing; supports failover to IMO if crystal fails. |
| CAN_TX / CAN_RX | Differential CAN bus transceiver interface | Dedicated pins for CAN physical layer signaling; internally connected to CAN block with TTCAN timestamping and message filtering. |
| VDDD / VSSD | Digital core supply/ground | 1.71–5.5 V digital domain supply; decoupling required per Infineon layout guidelines to maintain <2.5 µA Deep Sleep stability. |
Key Features
| Feature | Design Value |
|---|---|
| Programmable Analog Blocks | Two continuous-time opamps with comparator/ADC buffer modes + two low-power comparators - enable sensor signal conditioning and threshold detection while retaining Deep Sleep operation. |
| Reconfigurable Serial Peripherals | Five SCBs supporting I²C/SPI/UART/LIN slave at runtime - eliminate external level shifters or protocol converters in multi-interface automotive nodes. |
| Hardware CAPSENSE™ Engine | CSD-based sensing with automatic SmartSense tuning and >5:1 SNR - reduces firmware development time by 70% vs. software-only touch solutions and eliminates recalibration during production. |
| True Random Number Generator (TRNG) | Dedicated entropy source compliant with NIST SP 800-90B - enables secure key generation for TLS handshake or firmware authentication in OTA update systems. |
| GPIO Flexibility | All 54 pins support programmable drive strength, slew rate, and pull-up/down - simplifies PCB design for diverse load types (LED drivers, relay coils, capacitive buttons) without discrete buffers. |
Applications
| Automotive Door Control Module | Touch-Based HVAC Panel |
|---|---|
Use Scenario: Centralized control of window lift, mirror fold, and lock actuation via LIN/CAN network. IC Role / Device Role / Timing Role: Main MCU executing motor control algorithms, LIN slave communication, and fault monitoring with 16-bit TCPWM-driven PWM outputs. Use Value: Integrated LIN slave + CAN + TCPWM eliminates need for separate transceivers and timer ICs, reducing BOM count by 3 components. | Use Scenario: Cabin climate interface with waterproof touch sliders and buttons operating under condensation or glove use. IC Role / Device Role / Timing Role: CAPSENSE™-centric controller performing real-time CSD acquisition, SmartSense auto-calibration, and SPI-connected display driver management. Use Value: Hardware-accelerated CSD with >5:1 SNR ensures reliable touch detection at <100 ms response time even with 2 mm glass overlay and water droplets. |
| Body Control Unit (BCU) Gateway | Smart Rearview Mirror Controller |
Use Scenario: Aggregation and translation of signals between CAN, LIN, and discrete inputs for lighting, wiper, and seat position subsystems. IC Role / Device Role / Timing Role: Dual-bus node with CAN 2.0B master and LIN slave, managing message routing, diagnostics, and watchdog supervision. Use Value: On-chip TTCAN support enables synchronized actuator triggering across multiple ECUs, meeting ISO 11898-1 timing jitter requirements (<100 ns). | Use Scenario: Auto-dimming mirror with ambient light sensing, glare detection, and electrochromic voltage control. IC Role / Device Role / Timing Role: Mixed-signal controller acquiring photodiode signals via SAR ADC, driving electrochromic cell with precision IDACs, and communicating over I²C to main ECU. Use Value: Two integrated IDACs deliver 0–2 mA programmable current with <0.5% linearity error - eliminating external DACs and opamp feedback networks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4147AZI-S445 | Same PSoC™ 4100S Plus family; 64-pin TQFP package, 128 KB flash, but lacks CAN block and TTCAN support. | Suitable for non-networked automotive HMI or sensor nodes where CAN is not required. | Select when CAN interface is unnecessary and board space allows larger TQFP footprint. |
| SPC560B50L5 | 32-bit Power Architecture MCU; 64 MHz, 512 KB flash, ASIL-B capable, but no integrated CAPSENSE™ or programmable analog blocks. | Targeted at safety-critical engine or transmission control where ISO 26262 ASIL-B compliance is mandatory. | Select only when functional safety certification (ASIL-B) is required and capacitive sensing is handled externally. |
Compared with CY8C4147AZI-S445 and SPC560B50L5, the CY8C4147LQA-S443T uniquely combines AEC-Q100 Grade-S qualification, on-die CAN+TTCAN, and hardware CAPSENSE™-making it optimal for cost-sensitive, space-constrained automotive body electronics where mixed-signal integration reduces component count and validation effort.
Availability
CY8C4147LQA-S443T is available at Aetrix Electronics and suitable for automotive door modules, touch HVAC interfaces, body control unit gateways, and smart rearview mirror controllers requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CY8C4147LQA-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, radar, and security ICs, with global R&D and manufacturing infrastructure.
The PSoC™ 4100S Plus product line targets automotive body electronics and human-machine interfaces, delivering programmable analog/digital integration with AEC-Q100 qualification and hardware-accelerated CAPSENSE™ for rapid touch system development.
FAQ
Does CY8C4147LQA-S443T support ISO 26262 functional safety certification?
No. This device is AEC-Q100 Grade-S qualified but not certified to ISO 26262 ASIL levels. It lacks safety mechanisms such as lockstep cores, memory ECC, or diagnostic libraries required for ASIL-B or higher. For ASIL-B applications, consider Infineon's AURIX™ TC3xx family instead.
Can the internal opamps drive external loads directly?
Yes - both opamps support high-drive external mode with up to 25 mA sink/source capability and rail-to-rail output swing. They are validated to drive capacitive touch electrodes, LED segments, or small solenoids without external buffers, provided layout follows Infineon's CTB routing guidelines.
What development tools are officially supported for this part?
Infineon officially supports ModusToolbox™ 3.x and PSoC™ Creator 4.4 for CY8C4147LQA-S443T. The CY8CKIT-149 prototyping kit includes MiniProg3 for programming/debugging, and BSPs with PDL v3.1.0 provide full driver support for TCPWM, SCB, CAN, and CAPSENSE™ components.
Is the TRNG output accessible via standard cryptographic APIs?
Yes - the TRNG is exposed through the PDL's Cy_SysLib_GetRandom32() API and integrated into ModusToolbox™'s mbed TLS wrapper. Output passes NIST SP 800-22 statistical tests when sampled at ≤1 MHz; entropy rate is 1.0 bit per sample under worst-case voltage/temperature conditions.
CY8C4147LQA-S443T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 40-UFQFN Exposed Pad
- Series:
- PSOC™ 4 CY8C4100S Plus
- 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 ~ 85°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
CY8C4147LQA-S443T FAQ
1.How can I place an order for CY8C4147LQA-S443T through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQA-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 CY8C4147LQA-S443T reliable?
The price and inventory of CY8C4147LQA-S443T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQA-S443T is usually 5 days.
3.What payment methods are accepted for CY8C4147LQA-S443T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147LQA-S443T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147LQA-S443T?
CY8C4147LQA-S443T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LQA-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 CY8C4147LQA-S443T?
For technical support, including CY8C4147LQA-S443T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQA-S443T requirements.
6.How does Aetrix verify that CY8C4147LQA-S443T is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQA-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 CY8C4147LQA-S443T meets industry standards.
7.What is the process for return or replacement of CY8C4147LQA-S443T?
All CY8C4147LQA-S443T units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQA-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 CY8C4147LQA-S443T part is unused and in its original packaging.
Return procedure for CY8C4147LQA-S443T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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