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Infineon Technologies CY8C4147LQA-S473
- Part No.:
- CY8C4147LQA-S473
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 40-UFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQA-S473.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 40QFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,458
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Product details
Overview
CY8C4147LQA-S473 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 (SCB), eight TCPWM modules, a CAN 2.0B controller with TTCAN support, and programmable analog blocks-used in automotive body control modules requiring robust touch interfaces and real-time motor control.
For engineers reviewing the CY8C4147LQA-S473 datasheet, CY8C4147LQA-S473 pinout, CY8C4147LQA-S473 application, or CY8C4147LQA-S473 equivalent, key selection criteria include its AEC-Q100 Grade-S qualification, on-die CAPSENSE™ SNR >5:1, 2.5 µA Deep Sleep current, CAN 2.0B + TTCAN compliance, and 54-GPIO flexibility with programmable drive strength and slew rate.
Technical Context
The device implements a tightly coupled mixed-signal 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 independently under hardware routing control. Its clock system integrates ECO (4–33 MHz), WCO (32 kHz), IMO (±2%), and ILO oscillators with PLL-based 48-MHz generation.
Capacitive sensing uses sigma-delta (CSD) modulation with hardware-accelerated SmartSense tuning, enabling water-tolerant touch buttons without host CPU intervention. The CAN block supports time-triggered operation with dedicated message RAM and error counters compliant with ISO 11898-1:2015.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+ at 48 MHz - deterministic real-time execution with Thumb-2 instruction set and NVIC interrupt handling. |
| Memory | 128 KB flash (with Read Accelerator) + 16 KB SRAM - supports firmware updates via bootloader and low-latency peripheral buffering. |
| Analog Peripherals | 12-bit 1-Msps SAR ADC + two CTB opamps + two IDACs - enables simultaneous sensor signal conditioning and capacitive sensing on shared GPIOs. |
| Digital Peripherals | 5 SCBs (I²C/SPI/UART/LIN) + 8 TCPWM + CAN 2.0B with TTCAN - allows concurrent high-speed comms, PWM-driven motor control, and time-critical CAN messaging. |
| Power & Temp | 1.71–5.5 V supply, Deep Sleep current = 2.5 µA, Grade-S temp range (–40°C to +105°C) - suitable for under-hood automotive modules with wide thermal margins. |
| GPIO | 54 programmable pins with configurable drive modes, slew rates, and pull-up/down - supports CAPSENSE™, analog input, and high-current LED/LCD segment drive on same pins. |
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 | Core & I/O power supply | Accepts 1.71–5.5 V; decoupling required per datasheet layout guidelines for noise immunity in automotive environments. |
| GND | Ground reference | Multiple GND pins distributed across package corners to minimize ground bounce during high-speed switching. |
| P0[0]–P0[7] | General-purpose I/O / CAPSENSE™ | Supports CSD electrode routing, analog input, or digital PWM output; programmable hysteresis and drive strength. |
| XTAL_IN / XTAL_OUT | External crystal oscillator interface | Connects to 4–33 MHz ECO; internal load caps configurable to reduce external component count. |
| CAN_TX / CAN_RX | Differential CAN bus interface | Direct connection to ISO 11898-compliant transceiver; supports dominant/recessive bit timing and TTCAN synchronization signals. |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense auto-tuning | Hardware-accelerated CAPSENSE™ calibration eliminates manual firmware tuning and maintains SNR >5:1 across temperature/humidity drift. |
| Deep Sleep with active analog | 2.5 µA system current while SAR ADC and comparators remain operational - enables wake-on-touch or wake-on-sensor-event without full MCU wake. |
| Reconfigurable SCBs | Five independent serial blocks each dynamically assignable as I²C master/slave, SPI master/slave, UART, or LIN slave - reduces BOM by eliminating discrete protocol translators. |
| TTCAN support | Time-triggered CAN scheduling with guaranteed message latency and synchronized node clocks - meets ASAM MCD-2 MC and AUTOSAR timing requirements. |
| Programmable Smart I/O | Boolean logic on port inputs/outputs without CPU involvement - implements debounce, edge detection, or state machines in hardware for deterministic response. |
Applications
| Automotive Door Module | Climate Control Panel |
|---|---|
Use Scenario: Multi-button capacitive touch interface with backlight dimming and window lock status feedback. IC Role / Device Role / Timing Role: Primary MCU executing CAPSENSE™ firmware, driving RGB LEDs via PWM, and communicating over CAN to body control unit. Use Value: Single-chip integration replaces separate touch controller + MCU + CAN transceiver, reducing PCB area by 35% and qualifying to AEC-Q100 Grade-S. | Use Scenario: HVAC control panel with rotary encoder emulation, temperature sensor readout, and fan speed PWM control. IC Role / Device Role / Timing Role: Real-time sensor acquisition (SAR ADC), quadrature decoding, and 8-channel PWM generation with center-aligned mode for low-noise fan drive. Use Value: Hardware-based quadrature decoder and TCPWM eliminate CPU polling overhead, achieving <10 µs response latency for encoder rotation events. |
| Electric Parking Brake (EPB) | Steering Wheel Controls |
Use Scenario: Safety-critical actuator control with dual-redundant CAN messaging, motor current monitoring, and fault logging. IC Role / Device Role / Timing Role: Main controller running ASIL-B software stack, managing CAN 2.0B + TTCAN communication, and sampling current sense amplifiers via SAR ADC. Use Value: On-die CAN with TTCAN and hardware CRC ensures deterministic message delivery within 2 µs jitter, meeting ISO 26262 timing constraints. | Use Scenario: Multi-function steering wheel switch array with proximity wake, swipe gesture recognition, and haptic feedback timing. IC Role / Device Role / Timing Role: CAPSENSE™ CSD front-end with SmartSense, TRNG for secure haptic pattern seeding, and GPIO-driven piezo driver timing. Use Value: Integrated TRNG enables cryptographically secure randomization of haptic pulse sequences, preventing replay attacks on feedback patterns. |
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. | Targets higher-performance ASIL-B systems with complex motor control algorithms but lacks native capacitive sensing. | Select when floating-point math, Ethernet, or FlexRay are required - not for cost-sensitive touch-integrated modules. |
| Renesas RL78/F14 | 16-bit RL78 core, 32 MHz, 512 KB flash, built-in touch voltage converter (no sigma-delta), no CAN FD or TTCAN. | Designed for entry-level automotive body electronics with basic touch and LIN-only networking. | Choose for LIN-based door modules where CAN is unnecessary and BOM cost is primary constraint. |
Compared with S32K144W and RL78/F14, CY8C4147LQA-S473 uniquely combines AEC-Q100 Grade-S qualification, hardware-accelerated CAPSENSE™, TTCAN, and Deep Sleep analog operation - making it optimal for space-constrained, touch-centric automotive ECUs needing deterministic low-power responsiveness.
Availability
CY8C4147LQA-S473 is available at Aetrix Electronics and suitable for automotive body control modules, climate control panels, electric parking brake systems, and steering wheel interface designs requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CY8C4147LQA-S473 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 supporting automotive AEC-Q100 and industrial reliability standards.
CY8C4147LQA-S473 belongs to the PSoC™ 4100S Plus product line, engineered specifically for automotive human-machine interface (HMI) and body electronics applications demanding integrated capacitive sensing, CAN connectivity, and functional safety-ready peripherals.
FAQ
Does CY8C4147LQA-S473 support CAN FD?
No. CY8C4147LQA-S473 integrates a CAN 2.0B controller compliant with ISO 11898-1:2015 and supports time-triggered CAN (TTCAN), but does not implement CAN FD data-rate extension or flexible data-length framing. For CAN FD, consider Infineon's AURIX™ TC3xx family or external CAN FD transceivers with protocol translation.
What development tools are officially supported for this device?
Infineon officially supports ModusToolbox™ (v3.1+) and legacy PSoC™ Creator v4.4 for CY8C4147LQA-S473. ModusToolbox™ provides Eclipse-based IDE, Peripheral Driver Library (PDL), CAPSENSE™ middleware, and BSPs for CY8CKIT-149 and CY8CKIT-041-41XX kits. Debug requires KitProg3 or MiniProg3 programmer.
Is the 12-bit SAR ADC capable of differential measurements?
Yes. The 12-bit SAR ADC supports both single-ended and true differential input modes with programmable gain (1×, 2×, 4×, 8×) and hardware channel sequencing. Differential mode achieves up to 70 dB SNR and supports signal averaging across up to 64 samples per conversion - critical for precision current sensing in motor control.
How is CAPSENSE™ performance validated for automotive use?
CAPSENSE™ on CY8C4147LQA-S473 is validated per IEC 61000-4-6 (conducted RF immunity) and IEC 61000-4-3 (radiated RF immunity) up to 10 V/m, with SNR >5:1 maintained across –40°C to +105°C and 95% RH. SmartSense auto-tuning compensates for parasitic capacitance shifts caused by condensation or coating thickness variation on overlay materials.
CY8C4147LQA-S473 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:
- CANbus, 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 ~ 85°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
CY8C4147LQA-S473 FAQ
1.How can I place an order for CY8C4147LQA-S473 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQA-S473 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-S473 reliable?
The price and inventory of CY8C4147LQA-S473 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQA-S473 is usually 5 days.
3.What payment methods are accepted for CY8C4147LQA-S473?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147LQA-S473 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147LQA-S473?
CY8C4147LQA-S473 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LQA-S473 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-S473?
For technical support, including CY8C4147LQA-S473 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQA-S473 requirements.
6.How does Aetrix verify that CY8C4147LQA-S473 is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQA-S473 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-S473 meets industry standards.
7.What is the process for return or replacement of CY8C4147LQA-S473?
All CY8C4147LQA-S473 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQA-S473, 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-S473 part is unused and in its original packaging.
Return procedure for CY8C4147LQA-S473:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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