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Infineon Technologies CY8C4147LQE-S273T
- Part No.:
- CY8C4147LQE-S273T
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 40-UFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQE-S273T.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 40QFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,429
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Product details
Overview
CY8C4147LQE-S273T 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 integrates programmable analog (2 opamps, 12-bit 1-Msps SAR ADC, 2 IDACs), digital logic (TCPWM, SCB, CAN 2.0B), and GPIO flexibility for embedded control in vehicle interior HMI systems.
For engineers reviewing the CY8C4147LQE-S273T datasheet, CY8C4147LQE-S273T pinout, CY8C4147LQE-S273T application, or CY8C4147LQE-S273T equivalent, key selection criteria include AEC-Q100 Grade-S qualification, on-chip CAPSENSE™ SNR >5:1 with water tolerance, CAN 2.0B + TTCAN support, Deep Sleep current of 2.5 µA, and reconfigurable SCB blocks for I²C/SPI/UART/LIN.
Technical Context
This device implements a mixed-signal SoC architecture where the Arm® Cortex®-M0+ core coordinates programmable analog (CTB, SAR ADC, IDACs) and digital (TCPWM, SCB, CAN) resources via a flexible interconnect fabric. Its clock system includes ECO (4–33 MHz), PLL (48 MHz), WCO (32 kHz), IMO (±2%), and ILO for precise timing across operating modes.
The CAPSENSE™ subsystem uses capacitive sigma-delta (CSD) modulation with hardware-accelerated SmartSense tuning, enabling robust touch detection under wet conditions. The CAN block supports time-triggered communication (TTCAN) with message filtering and error handling compliant with ISO 11898-1.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz - 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 firmware updates and runtime data buffering without external memory. |
| ADC | 12-bit SAR, 1-Msps, differential/single-ended - provides high-resolution sensor signal acquisition with channel sequencer and averaging. |
| CAPSENSE™ | Capacitive sigma-delta (CSD) with SNR >5:1 and water tolerance - delivers reliable touch button/slider detection in automotive cabin environments. |
| CAN Interface | CAN 2.0B with TTCAN support - enables time-synchronized messaging for body control modules and gateway applications. |
| Power Range | 1.71 V to 5.5 V, Deep Sleep current = 2.5 µA - allows direct battery operation (12 V with LDO) and ultra-low-power wake-on-touch capability. |
| GPIO Count | Up to 54 pins, all configurable as CAPSENSE™, analog, or digital - eliminates need for external level shifters or dedicated touch controllers. |
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 domains | Independent 1.71–5.5 V supplies per port group enable mixed-voltage interfacing (e.g., 3.3 V MCU logic + 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 serial interface functions - configured at runtime via PDL or ModusToolbox™. |
| XTAL_IN / XTAL_OUT | External crystal oscillator interface | Connects to 4–33 MHz crystal for precise clock source; required for CAN timing accuracy and ECU synchronization. |
| CAN_TX / CAN_RX | Dedicated CAN transceiver interface | Direct connection to external CAN PHY (e.g., TJA1042); supports dominant/recessive bit transmission and bus fault detection. |
| WCO_IN / WCO_OUT | 32-kHz watch crystal oscillator | Provides low-power RTC timing during Deep Sleep mode; maintains calendar time without waking CPU. |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense Auto-Tuning | Hardware-accelerated CAPSENSE™ calibration eliminates manual threshold adjustment and ensures stable operation across temperature/humidity drift. |
| Reconfigurable SCBs | Five serial communication blocks dynamically switch between I²C, SPI, UART, or LIN slave modes - reduces BOM count by consolidating protocol interfaces. |
| Deep Sleep Analog Operation | Opamps and comparators remain active in Deep Sleep at 2.5 µA system current - enables continuous capacitive wake-up sensing without full MCU wake. |
| TTCAN Support | Time-triggered CAN scheduling with guaranteed message latency - meets ASAM MCD-2 MC timing requirements for distributed automotive control. |
| Programmable Drive Strength | GPIO output drive configurable from 2 mA to 25 mA per pin - supports direct LED driving or relay coil control without external drivers. |
Applications
| Automotive Door Module | Vehicle Infotainment Touch Panel |
|---|---|
Use Scenario: Control of window lift, mirror fold, and lock actuation via capacitive touch buttons on door trim. IC Role / Device Role / Timing Role: Primary MCU executing motor control PWM, CAPSENSE™ scan, and LIN slave communication to body controller. Use Value: Single-chip integration replaces discrete touch controller + 8-bit MCU + LIN transceiver, reducing PCB area by 35% and qualifying AEC-Q100 Grade-S for under-hood proximity. | Use Scenario: Multi-touch slider and gesture recognition on center console display overlay. IC Role / Device Role / Timing Role: CAPSENSE™ CSD engine with SmartSense performs real-time SNR optimization and wet-finger rejection while CPU handles UI state machine. Use Value: >5:1 SNR and automatic recalibration maintain touch responsiveness in condensation-prone cabin environments without firmware intervention. |
| Body Control Unit (BCU) | Electronic Parking Brake (EPB) Interface |
Use Scenario: Centralized lighting, wiper, and horn control with CAN network coordination. IC Role / Device Role / Timing Role: CAN 2.0B node managing message arbitration, filtering, and TTCAN-scheduled diagnostics reporting. Use Value: Hardware-based TTCAN scheduler ensures <50 µs jitter on safety-critical status messages, meeting ISO 26262 ASIL-B timing constraints. | Use Scenario: Interfacing parking brake switch signals and motor driver enable lines with fail-safe monitoring. IC Role / Device Role / Timing Role: Dual-redundant GPIO inputs with configurable slew rate and internal pull-ups monitor mechanical switch states; TCPWM generates controlled brake release timing. Use Value: Programmable drive strength and slew control prevent EMI-induced false triggers during high-current motor commutation events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K144W | ARM Cortex-M4F core, 112 MHz, 1 MB flash, no integrated CAPSENSE™, requires external touch controller | Better floating-point performance for motor control algorithms; lacks on-die capacitive sensing | Select when advanced math-intensive control (e.g., field-oriented motor control) outweighs touch integration needs. |
| Renesas RL78/F14 | 16-bit RL78 core, 32 MHz, 512 KB flash, built-in touch voltage detection (not sigma-delta), no CAN FD or TTCAN | Lower cost for basic touch + CAN applications; limited SNR (<3:1) and no wet-finger tolerance | Select for cost-sensitive non-safety-critical interior switches where AEC-Q100 Grade-A suffices. |
Compared with S32K144W and RL78/F14, CY8C4147LQE-S273T uniquely combines AEC-Q100 Grade-S qualification, hardware-accelerated CAPSENSE™ with >5:1 SNR, and TTCAN in a single 48-pin QFN - optimizing BOM count and layout for space-constrained automotive HMI nodes.
Availability
CY8C4147LQE-S273T is available at Aetrix Electronics and suitable for automotive door modules, infotainment touch panels, body control units, and electronic parking brake interfaces requiring stable component supply and long-term lifecycle assurance.
Supply support for CY8C4147LQE-S273T 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.
CY8C4147LQE-S273T belongs to the PSoC™ 4100S Plus product line, designed specifically for automotive interior human-machine interface applications requiring integrated capacitive sensing, functional safety-ready peripherals, and AEC-Q100 compliance.
FAQ
Does CY8C4147LQE-S273T support CAN FD?
No. This device implements CAN 2.0B with time-triggered extensions (TTCAN) but does not support CAN FD frame format or higher bit rates. It complies with ISO 11898-1 for classical CAN operation up to 1 Mbps, sufficient for body electronics and comfort systems where FD bandwidth is unnecessary.
What development tools are officially supported for this part?
Infineon officially supports ModusToolbox™ (v3.1+) and legacy PSoC™ Creator v4.4 for firmware development. Hardware debugging requires MiniProg3 or KitProg3 programmers. The CY8CKIT-149 prototyping kit provides validated hardware reference design, pin headers, and onboard CAPSENSE™ electrodes for rapid evaluation.
Is the 12-bit SAR ADC capable of simultaneous sampling?
No. The SAR ADC has a single conversion core with a channel sequencer supporting up to 32-channel scanning and hardware-averaging (2–64 samples), but it does not provide true simultaneous sampling across multiple channels. For synchronized multi-sensor acquisition, external sample-and-hold circuits or external ADCs are required.
How is CAPSENSE™ calibrated in production?
SmartSense auto-tuning runs automatically at startup and periodically during operation using on-chip IDACs and CTB resources. Calibration parameters (baseline, noise threshold, finger threshold) are stored in flash and adjusted dynamically based on environmental drift - no factory calibration fixtures or manual tuning required for automotive-grade deployment.
CY8C4147LQE-S273T 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, CapSense, 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-S273T FAQ
1.How can I place an order for CY8C4147LQE-S273T through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQE-S273T 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-S273T reliable?
The price and inventory of CY8C4147LQE-S273T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQE-S273T is usually 5 days.
3.What payment methods are accepted for CY8C4147LQE-S273T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147LQE-S273T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147LQE-S273T?
CY8C4147LQE-S273T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LQE-S273T 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-S273T?
For technical support, including CY8C4147LQE-S273T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQE-S273T requirements.
6.How does Aetrix verify that CY8C4147LQE-S273T is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQE-S273T 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-S273T meets industry standards.
7.What is the process for return or replacement of CY8C4147LQE-S273T?
All CY8C4147LQE-S273T units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQE-S273T, 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-S273T part is unused and in its original packaging.
Return procedure for CY8C4147LQE-S273T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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