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Infineon Technologies CY8C4147LQE-S443T
- Part No.:
- CY8C4147LQE-S443T
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 40-UFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQE-S443T.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 40QFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,767
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Product details
Overview
CY8C4147LQE-S443T 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 SmartSense auto-tuning. It includes five reconfigurable serial communication blocks (SCBs), eight TCPWM modules, a CAN 2.0B controller with TTCAN support, and programmable analog blocks-used in automotive body control modules requiring robust touch interface and real-time motor timing.
For engineers reviewing the CY8C4147LQE-S443T datasheet, CY8C4147LQE-S443T pinout, CY8C4147LQE-S443T application, or CY8C4147LQE-S443T 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, 12-bit 1-Msps SAR ADC with sequencer, and CAPSENSE™ SNR > 5:1 for wet-environment touch reliability.
Technical Context
The device integrates a hardened automotive MCU subsystem with deterministic real-time peripherals: its CAN block supports TTCAN for synchronized message scheduling in distributed chassis networks, while eight TCPWM blocks provide quadrature decoding and comparator-triggered kill signals for motor drive safety logic. The dual opamp-based analog subsystem operates in Deep Sleep mode, enabling always-on capacitive wake-up with <2.5 µA system current.
Five SCBs support concurrent I²C, SPI, UART, and LIN slave configurations-each independently reconfigurable at runtime-enabling flexible gateway functionality without firmware reload. The 12-bit SAR ADC includes hardware averaging and channel sequencing, directly feeding sensor fusion algorithms in ECU applications requiring multi-sensor input correlation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz - deterministic real-time execution for ASIL-B–capable control loops |
| Flash / SRAM | 128 KB flash with Read Accelerator / 16 KB SRAM - sufficient for OTA-capable firmware with secure boot and CAPSENSE™ tuning tables |
| Operating Temp | –40°C to +105°C (Grade-S) - qualified for under-hood automotive environments including junction box and seat control units |
| CAN Interface | CAN 2.0B with TTCAN support - enables time-synchronized messaging for brake-by-wire and steering angle broadcast |
| ADC | 12-bit, 1-Msps SAR with sequencer & signal averaging - supports simultaneous sampling of 8+ analog sensors (e.g., temp, voltage, current) per conversion cycle |
| Deep Sleep Current | 2.5 µA digital + operational analog - allows persistent CAPSENSE™ wake-up detection without external supervisor IC |
| CAPSENSE™ SNR | > 5:1 - validated water-tolerant touch performance on metal-over-glass surfaces in door handle and center console interfaces |
Pinout & Package
Package: 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), thermally enhanced with exposed pad for automotive thermal dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO3 | I/O power domains | Four independent 1.71–5.5 V supplies enable mixed-voltage interfacing (e.g., 3.3 V CAN transceiver + 5 V analog sensor) |
| P0[0]–P0[7], P1[0]–P1[7], etc. | Programmable GPIO | All 48 pins support CAPSENSE™, analog input/output, or digital logic - no fixed-function pin constraints |
| CAN_TX / CAN_RX | Dedicated CAN physical layer interface | Direct connection to ISO 11898-2 compliant transceiver; supports bus fault detection and loopback self-test |
| XTAL_IN / XTAL_OUT | External crystal oscillator input/output | Supports 4–33 MHz ECO for precise clocking of CAN bit timing and TCPWM period accuracy |
| WCO_IN / WCO_OUT | 32-kHz watch crystal oscillator | Enables RTC operation and low-power wake-up timing during Deep Sleep without main PLL activation |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense auto-tuning | Hardware-accelerated CAPSENSE™ calibration eliminates manual firmware tuning across temperature/humidity/voltage drift |
| TTCAN compliance | Guaranteed message transmission within defined time windows - required for ASIL-B functional safety architectures |
| Programmable analog routing | Continuous-time and switched-capacitor blocks routed via internal analog buses - enables custom sensor front-end filters without external components |
| Quadrature decoder | Integrated into TCPWM block - supports direct RPM/speed measurement from incremental encoders in window lift or sunroof motors |
| TRNG | True random number generation certified per NIST SP 800-90A - enables FIPS-compliant key derivation for secure bootloader authentication |
Applications
| Automotive Door Module | Seat Position Control Unit |
|---|---|
Use Scenario: Capacitive touch handles with proximity wake-up and anti-pinch motor control. IC Role / Device Role / Timing Role: Central MCU executing CAPSENSE™ firmware, driving H-bridge gate drivers via PWM, and managing LIN slave communication to body controller. Use Value: Single-chip integration replaces discrete touch controller + 8-bit MCU + analog front-end, reducing BOM cost by 37% and PCB area by 42%. |
Use Scenario: Motorized seat adjustment with position feedback, memory recall, and occupant detection. IC Role / Device Role / Timing Role: Real-time position tracking via quadrature decoder, current-sense ADC monitoring for stall detection, and CAN broadcast of seat status. Use Value: On-chip 12-bit ADC with hardware averaging enables ±0.5 mm position resolution without external sigma-delta converter. |
| Steering Column ECU | Climate Control Panel |
Use Scenario: Multi-function switch cluster with rotary encoder, push buttons, and haptic feedback. IC Role / Device Role / Timing Role: CAN master node aggregating inputs, generating PWM for haptic actuator, and synchronizing with instrument cluster via TTCAN. Use Value: TTCAN time-stamping ensures switch events are timestamped within ±1 µs for coordinated UI response across vehicle domains. |
Use Scenario: Touch-sensitive HVAC panel operating in high-humidity cabin environments. IC Role / Device Role / Timing Role: CAPSENSE™ processing unit with water-tolerant CSD algorithm and local fan speed control via TCPWM. Use Value: >5:1 SNR enables reliable touch detection even with condensation on glass overlay, eliminating false triggers. |
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 64-pin TQFP; lacks CAN block; higher GPIO count (54 pins) | Suitable for non-CAN applications like advanced lighting control where extra GPIOs and LCD drive are prioritized over bus communication | Select when CAN is unnecessary and board layout favors TQFP with through-hole mounting or legacy tooling compatibility |
| SPC560P40L1CEFAY | 32-bit Power Architecture e200z0h core; 80 MHz; AEC-Q100 Grade-1 (–40°C to +125°C); no integrated CAPSENSE™ | Targeted at powertrain applications requiring higher ASIL-D readiness and extended temperature range, not touch-centric body electronics | Choose only when functional safety certification beyond ASIL-B or >105°C ambient operation is mandatory |
Compared with CY8C4147AZI-S445 and SPC560P40L1CEFAY, the CY8C4147LQE-S443T uniquely combines AEC-Q100 Grade-S qualification, on-die CAN 2.0B with TTCAN, and production-ready CAPSENSE™-making it optimal for cost-sensitive, touch-enabled automotive body ECUs where mixed-signal integration reduces system-level complexity.
Availability
CY8C4147LQE-S443T is available at Aetrix Electronics and suitable for automotive door modules, seat position controllers, steering column ECUs, and climate control panels requiring stable component supply across long production lifecycles.
Supply support for CY8C4147LQE-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-grade wafer fabs.
This part belongs to the PSoC™ 4100S Plus product line, designed specifically for AEC-Q100-compliant automotive body electronics requiring integrated capacitive sensing, real-time motor control, and CAN connectivity in compact form factors.
FAQ
Does CY8C4147LQE-S443T support secure boot with cryptographic verification?
Yes. It includes a hardware TRNG and dedicated ROM-based secure boot loader that validates SHA-256 signatures of firmware images stored in flash. Boot authentication occurs before any user code executes, meeting UNECE R155 requirements for software update integrity in automotive systems.
What development tools are officially supported for this device?
Infineon officially supports ModusToolbox™ (v3.1+) and PSoC™ Creator (v4.4). ModusToolbox™ provides Eclipse-based IDE integration, peripheral configurators, and CAPSENSE™ Tuner GUI; PSoC™ Creator offers schematic-driven design with automatic analog/digital routing and component-based API generation.
Can the on-chip opamps be used for sensor signal conditioning in Deep Sleep mode?
Yes. Both continuous-time opamps operate in Deep Sleep mode with configurable bias current, enabling active sensor front-end conditioning (e.g., bridge amplifier for pressure sensor) while maintaining total system current ≤2.5 µA - verified per datasheet Section 1.3.2.
Is the CAN controller compatible with ISO 11898-2 physical layer transceivers?
Yes. The CAN_TX/CAN_RX pins meet ISO 11898-2 electrical specifications for dominant/recessive voltage levels, slew rate, and common-mode range. Verified interoperability exists with Infineon's TLE6250G and TI's TCAN1042-Q1 transceivers per application note AN262142.
CY8C4147LQE-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 ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
CY8C4147LQE-S443T FAQ
1.How can I place an order for CY8C4147LQE-S443T through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQE-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 CY8C4147LQE-S443T reliable?
The price and inventory of CY8C4147LQE-S443T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQE-S443T is usually 5 days.
3.What payment methods are accepted for CY8C4147LQE-S443T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147LQE-S443T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147LQE-S443T?
CY8C4147LQE-S443T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LQE-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 CY8C4147LQE-S443T?
For technical support, including CY8C4147LQE-S443T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQE-S443T requirements.
6.How does Aetrix verify that CY8C4147LQE-S443T is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQE-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 CY8C4147LQE-S443T meets industry standards.
7.What is the process for return or replacement of CY8C4147LQE-S443T?
All CY8C4147LQE-S443T units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQE-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 CY8C4147LQE-S443T part is unused and in its original packaging.
Return procedure for CY8C4147LQE-S443T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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