Infineon Technologies CY8C4147LQS-S283
- Part No.:
- CY8C4147LQS-S283
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 40-UFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQS-S283.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 40QFN
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
CY8C4147LQS-S283 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 - deployed in automotive body electronics, smart sensors, and human-machine interface systems.
For engineers reviewing the CY8C4147LQS-S283 datasheet, CY8C4147LQS-S283 pinout, CY8C4147LQS-S283 application, or CY8C4147LQS-S283 equivalent, key selection criteria include AEC-Q100 Grade-S qualification, on-chip CAPSENSE™ SNR >5:1, CAN 2.0B + TTCAN timing compliance, Deep Sleep current ≤2.5 µA, and GPIO flexibility across 54 pins 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 dedicated hardware accelerators handle CAPSENSE™ sigma-delta conversion, TCPWM waveform generation, and CAN message arbitration. Its clock system integrates a 4–33 MHz ECO, PLL for 48-MHz system clock, 32-kHz WCO, and ±2% IMO - enabling precise timing control for motor control loops and LIN/CAN synchronization.
Analog subsystems include two continuous-time opamps (operable in Deep Sleep), a 12-bit 1-Msps SAR ADC with channel sequencer and averaging, dual low-power comparators, and two IDACs usable for self-capacitance or mutual-capacitance sensing. Digital logic is extended via Smart I/O blocks supporting Boolean operations directly on GPIO paths without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz max - enables real-time deterministic execution of automotive control tasks with <100 ns interrupt latency. |
| Memory | 128 KB flash (with Read Accelerator), 16 KB SRAM - supports secure bootloader storage, OTA update partitioning, and real-time sensor fusion buffers. |
| CAPSENSE™ Performance | SNR >5:1, water-tolerant CSD architecture - delivers reliable touch detection under condensation or glove use in automotive door handles or center consoles. |
| CAN Interface | CAN 2.0B + time-triggered CAN (TTCAN) - provides deterministic message scheduling for safety-critical body control modules and gateway applications. |
| Power Modes | Deep Sleep current ≤2.5 µA with active analog - sustains capacitive wake-up detection and RTC operation during vehicle sleep states. |
| GPIO Flexibility | Up to 54 pins; each supports CAPSENSE™, analog input/output, digital logic, or LCD segment drive - eliminates external level shifters and reduces BOM count. |
| Serial Peripherals | 5 × SCBs configurable as I²C/SPI/UART/LIN slave - enables concurrent communication with multiple ECUs, displays, and sensor clusters without resource contention. |
Pinout & Package
Package: 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, wettable flank option available for 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 - allows mixed-voltage interfacing (e.g., 3.3 V MCU logic with 5 V display drivers). |
| P0[0]–P0[7], P1[0]–P1[7], etc. | Programmable GPIO banks | Each pin supports CAPSENSE™, analog comparator input, IDAC output, or SCB function - configured at runtime via PDL API calls. |
| CAN_TX / CAN_RX | Dedicated CAN transceiver interface | Internal termination and slew-rate control compliant with ISO 11898-2 - eliminates need for external CAN bus drivers in Class A/B networks. |
| XTAL_IN / XTAL_OUT | External crystal oscillator connection | Supports 4–33 MHz ECO for high-accuracy clock source - required for CAN bit timing precision and TTCAN synchronization. |
| WCO_IN / WCO_OUT | 32.768 kHz watch crystal interface | Enables RTC operation and low-power wake-up timing independent of main clock domain - critical for alarm and periodic sensor sampling. |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense Auto-Tuning | Hardware-accelerated CAPSENSE™ calibration that dynamically adjusts IDAC current and scan parameters - eliminates manual tuning across temperature and voltage variations. |
| TTCAN Timing Compliance | Hardware timestamping and synchronized message transmission windows aligned to global time base - meets ISO 11898-1:2015 Annex D requirements for time-triggered communication. |
| Deep Sleep Analog Retention | Opamps, comparators, and SAR ADC remain functional at ≤2.5 µA system current - enables always-on capacitive proximity wake-up without CPU involvement. |
| Configurable SCB Blocks | Five independent serial blocks each selectable as I²C master/slave, SPI master/slave, UART, or LIN slave - supports heterogeneous sensor and actuator connectivity in single-chip designs. |
| Programmable Smart I/O | Boolean logic (AND/OR/XOR) applied directly to GPIO inputs/outputs in hardware - offloads simple state-machine functions from CPU, reducing ISR overhead. |
Applications
| Automotive Door Module | Smart HVAC Control Panel |
|---|---|
Use Scenario: Capacitive touch keys and slider on vehicle door trim with water resistance and glove operation. IC Role / Device Role / Timing Role: Primary MCU executing CAPSENSE™ firmware, managing LIN slave communication to body control module, and driving LED indicators. Use Value: Single-chip integration replaces discrete touch controller + MCU + LIN transceiver, reducing PCB area by 35% and qualifying to AEC-Q100 Grade-S. |
Use Scenario: Touch-enabled climate control interface with ambient light adaptive backlight and fan speed feedback. IC Role / Device Role / Timing Role: Host controller for capacitive buttons, PWM-driven fan control, and I²C-connected temperature/humidity sensor. Use Value: On-chip 12-bit SAR ADC and eight TCPWM blocks enable closed-loop fan regulation without external signal conditioning or timer ICs. |
| Body Control Gateway | Electric Parking Brake (EPB) Sensor Interface |
Use Scenario: Aggregation and translation of signals between LIN, CAN, and discrete switches in central junction box. IC Role / Device Role / Timing Role: CAN 2.0B + TTCAN node coordinating lighting, wiper, and mirror control with deterministic scheduling. Use Value: Hardware TTCAN support ensures sub-1 µs jitter on safety-critical messages, meeting ASIL-B timing constraints without software compensation. |
Use Scenario: Monitoring hall-effect and potentiometer position sensors for parking brake actuator with fail-safe diagnostics. IC Role / Device Role / Timing Role: Analog front-end for ratiometric sensor acquisition, CRC-protected CAN message formatting, and watchdog-managed fault reporting. Use Value: Dual opamp + SAR ADC + comparator chain enables simultaneous sensor monitoring and redundancy checking within 12-bit accuracy and <10 µs response latency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4147AZI-S483 | Same PSoC™ 4100S Plus core but in 48-pin TQFP package; no wettable flanks; higher thermal resistance (θJA = 42°C/W vs. 32°C/W). | Preferred for prototyping with through-hole test fixtures; unsuitable for high-density automotive PCBs requiring AOI-compatible QFN. | Select only if TQFP mechanical fit or legacy board compatibility is required; QFN offers superior thermal performance and manufacturability. |
| SPC560B50L5 | 32-bit Power Architecture SPC5 MCU with 512 KB flash, no integrated CAPSENSE™, requires external touch controller and separate CAN PHY. | Targets higher ASIL-C applications with dual-core lockstep; lacks on-chip analog reconfigurability and capacitive sensing acceleration. | Choose when functional safety certification (ISO 26262) is mandatory and mixed-signal programmability is secondary to compute throughput. |
Compared with CY8C4147AZI-S483 and SPC560B50L5, CY8C4147LQS-S283 uniquely combines AEC-Q100 Grade-S qualification, hardware-accelerated CAPSENSE™, TTCAN, and Deep Sleep analog retention in a single 48-pin QFN - delivering lowest BOM cost and fastest time-to-touch for mid-tier automotive HMI and body electronics.
Availability
CY8C4147LQS-S283 is available at Aetrix Electronics and suitable for automotive body control modules, capacitive HMI interfaces, and electric parking brake sensor nodes requiring stable component supply, AEC-Q100 compliance, and long-term industrial lifecycle support.
Supply support for CY8C4147LQS-S283 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 is a German semiconductor manufacturer specializing in power management, automotive MCUs, and security solutions, with over 30 years of automotive qualification expertise and ISO/TS 16949-certified manufacturing.
CY8C4147LQS-S283 belongs to the PSoC™ 4100S Plus product line - engineered specifically for cost-sensitive, AEC-Q100-compliant automotive applications demanding integrated capacitive sensing, deterministic communication, and ultra-low-power operation without external analog components.
FAQ
Is CY8C4147LQS-S283 qualified for automotive use?
Yes. CY8C4147LQS-S283 is AEC-Q100 qualified to Grade-S (–40°C to +105°C), with full qualification testing including HTOL, TC, UHAST, and ESD per JESD22 standards. It is certified for use in body electronics, chassis, and infotainment systems - not for engine bay or safety-critical ASIL-D applications without additional system-level validation.
Does it support CAN FD or only classical CAN?
CY8C4147LQS-S283 implements a CAN 2.0B controller with time-triggered extensions (TTCAN), but does not support CAN FD data rates or frame formats. Its CAN block operates at up to 1 Mbps with hardware timestamping and synchronized transmission windows - sufficient for body control and gateway applications, but not for high-bandwidth ADAS sensor fusion.
Can CAPSENSE™ operate during Deep Sleep mode?
Yes. CAPSENSE™ CSD sensing can run autonomously in Deep Sleep mode using the internal ILO clock and dedicated hardware sequencer. The device achieves ≤2.5 µA system current while performing periodic touch scans, triggering wake-up interrupts upon detection - enabling always-on proximity sensing without CPU involvement.
What development tools are officially supported?
Infineon officially supports ModusToolbox™ (v3.1+) and legacy PSoC™ Creator (v4.4) for CY8C4147LQS-S283. ModusToolbox™ provides Eclipse-based IDE, Peripheral Driver Library (PDL), CAPSENSE™ Tuner GUI, and code examples for CAN, TCPWM, and Smart I/O. Debugging requires KitProg3 or MiniProg4 programmer/debugger hardware.
CY8C4147LQS-S283 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 40-UFQFN Exposed Pad
- Series:
- PSOC™ 4 CY8C4100
- 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, 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-S283 FAQ
1.How can I place an order for CY8C4147LQS-S283 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQS-S283 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-S283 reliable?
The price and inventory of CY8C4147LQS-S283 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQS-S283 is usually 5 days.
3.What payment methods are accepted for CY8C4147LQS-S283?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147LQS-S283 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147LQS-S283?
CY8C4147LQS-S283 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LQS-S283 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-S283?
For technical support, including CY8C4147LQS-S283 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQS-S283 requirements.
6.How does Aetrix verify that CY8C4147LQS-S283 is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQS-S283 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-S283 meets industry standards.
7.What is the process for return or replacement of CY8C4147LQS-S283?
All CY8C4147LQS-S283 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQS-S283, 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-S283 part is unused and in its original packaging.
Return procedure for CY8C4147LQS-S283:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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