Infineon Technologies CY8C4147LQE-S283T
- Part No.:
- CY8C4147LQE-S283T
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 40-UFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQE-S283T.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 40QFN
- Quantity:
- Payment:

- Shipping:

Inventory:2,498
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Product details
Overview
CY8C4147LQE-S283T from Infineon is an AEC-Q100 Grade-S (–40°C to +105°C) automotive-grade PSoC™ 4100S Plus programmable system-on-chip featuring a 48-MHz Arm® Cortex®-M0+ CPU, 128 KB flash, 16 KB SRAM, and integrated CAPSENSE™ capacitive sensing with SmartSense auto-tuning. It delivers reconfigurable analog (2 opamps, 12-bit 1-Msps SAR ADC, 2 IDACs) and digital blocks (5 SCBs, 8 TCPWMs, CAN 2.0B with TTCAN) for embedded control in safety-critical vehicle subsystems.
For engineers reviewing the CY8C4147LQE-S283T datasheet, CY8C4147LQE-S283T pinout, CY8C4147LQE-S283T application, or CY8C4147LQE-S283T 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 54 GPIO 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 analog blocks (CTB, SAR ADC, LPC) and digital blocks (TCPWM, SCB, CAN) 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 system clock generation.
CAPSENSE™ uses sigma-delta (CSD) modulation with hardware-accelerated SmartSense tuning to achieve >5:1 SNR and robust operation under wet conditions; the CAN block supports time-triggered communication with configurable message objects and error counters compliant with ISO 11898-1.
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 secure bootloader storage and runtime data buffering for automotive firmware. |
| Analog Peripherals | 2 opamps (Deep Sleep capable), 12-bit 1-Msps SAR ADC, 2 IDACs - enables sensor signal conditioning and capacitive touch acquisition without external components. |
| Digital Peripherals | 5 SCBs (I²C/SPI/UART/LIN), 8 TCPWMs, CAN 2.0B with TTCAN - provides flexible serial connectivity and precise motor timing with kill-signal triggering. |
| GPIO / Power | 54 programmable GPIO, 1.71–5.5 V supply, 2.5 µA Deep Sleep current - supports wide-input automotive power rails and ultra-low-power wake-on-touch operation. |
| Qualification | AEC-Q100 Grade-S (–40°C to +105°C) - certified for engine bay and cabin control modules requiring extended temperature reliability. |
Pinout & Package
This device is housed in a 48-pin QFN package (7 mm × 7 mm, 0.5 mm pitch) with exposed thermal pad, optimized for automotive PCB thermal management and high-density routing.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO3 | I/O power domains | Four independent 1.71–5.5 V supplies enabling mixed-voltage interface (e.g., 3.3 V MCU logic + 5 V sensor interface). |
| P0.0–P9.7 | Programmable GPIO | All pins support CAPSENSE™, analog input/output, digital logic, and configurable drive modes (strong, open-drain, high-Z). |
| XTAL_IN / XTAL_OUT | External crystal oscillator interface | Connects to 4–33 MHz ECO for precision timing; required for CAN bit-rate accuracy and RTC synchronization. |
| CAN_TX / CAN_RX | Differential CAN bus interface | Dedicated pins with internal termination and slew-rate control meeting ISO 11898-2 physical layer requirements. |
| WCO_IN / WCO_OUT | 32-kHz watch crystal oscillator | Provides low-power RTC and Deep Sleep wake-up source with ±20 ppm stability over temperature. |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense auto-tuning | Hardware-accelerated CAPSENSE™ calibration eliminates manual parameter adjustment and maintains >5:1 SNR across humidity, temperature, and aging. |
| Deep Sleep with active analog | 2.5 µA system current while opamps and comparators remain operational - enables continuous capacitive wake detection without full MCU wake-up. |
| Time-triggered CAN (TTCAN) | Hardware-synchronized message transmission/reception with guaranteed latency and deterministic scheduling for ASIL-B functional safety paths. |
| Configurable SCBs | Five serial blocks each dynamically assignable as I²C master/slave, SPI master/slave, UART, or LIN slave - reduces BOM count and simplifies protocol migration. |
| Programmable TCPWM kill inputs | Comparator-triggered hardware reset of PWM outputs within <100 ns - critical for motor overcurrent protection and fail-safe actuator control. |
Applications
| Body Control Module (BCM) | Climate Control Panel |
|---|---|
Use Scenario: Centralized control of door locks, lighting, window lifts, and mirror adjustment using capacitive touch and relay drivers. IC Role / Device Role / Timing Role: Main MCU executing body control firmware, managing CAN network communication, and performing CAPSENSE™ button scanning at 100 Hz. Use Value: Single-chip integration eliminates discrete touch controller and CAN transceiver, reducing board area by 35% and qualifying to AEC-Q100 Grade-S for under-hood placement. | Use Scenario: Touch-sensitive HVAC interface with ambient light compensation and fan speed regulation via PWM-driven blower motor. IC Role / Device Role / Timing Role: Capacitive sensing hub with SAR ADC reading thermistors and TCPWM generating variable-frequency fan control signals. Use Value: On-chip opamps condition NTC signals directly; SmartSense maintains touch accuracy during condensation - eliminating mechanical buttons and associated sealing costs. |
| Electronic Parking Brake (EPB) | Steering Wheel Controls |
Use Scenario: Safety-critical actuation of parking brake calipers with dual-redundant position feedback and CAN status reporting. IC Role / Device Role / Timing Role: Functional safety MCU running ASIL-B-compliant software, monitoring hall-effect sensors, and driving H-bridge gate drivers via PWM with comparator-based kill signals. Use Value: Hardware-enforced PWM shutdown (<100 ns response) prevents unintended brake release during fault conditions - meets ISO 26262 diagnostic coverage requirements. | Use Scenario: Multi-function steering wheel controls including voice command activation, cruise control, and audio volume adjustment. IC Role / Device Role / Timing Role: Low-power CAPSENSE™ node communicating over CAN bus to head unit; operates in Deep Sleep (2.5 µA) between touch events. Use Value: Ultra-low standby current extends vehicle battery life during long parking periods; water-tolerant CSD design ensures reliable operation with wet fingers or rain exposure. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K144W | ARM Cortex-M4F core, 112 MHz, no integrated CAPSENSE™, requires external touch controller | Better floating-point performance for motor control algorithms; lacks on-chip capacitive sensing hardware | Select when advanced math-intensive control (e.g., field-oriented motor control) is primary; add external touch IC if needed. |
| Renesas RL78/F14 | RL78 core, 32 MHz, 128 KB flash, AEC-Q100 Grade-S, no CAN FD or TTCAN support | Lower cost entry-level option; limited to classical CAN 2.0A/B without time-triggered scheduling | Select for cost-sensitive non-safety-critical nodes where deterministic TTCAN timing is not required. |
Compared with S32K144W and RL78/F14, CY8C4147LQE-S283T uniquely integrates CAPSENSE™, TTCAN, and Deep Sleep analog operation in a single AEC-Q100 Grade-S chip - reducing system BOM, PCB layers, and qualification effort for touch-enabled automotive ECUs.
Availability
CY8C4147LQE-S283T is available at Aetrix Electronics and suitable for Body Control Modules, Climate Control Panels, Electronic Parking Brakes, and Steering Wheel Control Units requiring stable component supply across automotive production lifecycles.
Supply support for CY8C4147LQE-S283T 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 global R&D and manufacturing infrastructure supporting automotive Tier-1 suppliers.
CY8C4147LQE-S283T belongs to the PSoC™ 4100S Plus product line, designed specifically for AEC-Q100-compliant automotive human-machine interfaces and distributed control nodes requiring integrated capacitive sensing, CAN, and ultra-low-power operation.
FAQ
Does CY8C4147LQE-S283T support CAN FD?
No. This device implements CAN 2.0B with optional time-triggered communication (TTCAN) per ISO 11898-1, but does not support CAN FD data rates or extended frame formats. It is intended for classical automotive body and comfort networks operating at up to 1 Mbps with deterministic scheduling.
What development tools are officially supported for this part?
Infineon officially supports ModusToolbox™ (v3.1+) and legacy PSoC™ Creator v4.4 for firmware development, along with CY8CKIT-149 prototyping kit and MiniProg3 programmer/debugger. Both toolchains provide full access to CAPSENSE™ Tuner, TCPWM configurator, and CAN message object setup.
Is the 12-bit SAR ADC usable during Deep Sleep mode?
No. While opamps and comparators remain active in Deep Sleep, the SAR ADC requires CPU clock domain activation and cannot sample in Deep Sleep. However, the low-power comparators can trigger wake-up events that enable rapid ADC acquisition upon exit from Deep Sleep.
How many CAPSENSE™ buttons can be implemented simultaneously?
Up to 64 capacitive sensing buttons or sliders are supported using the CSD method, constrained only by available GPIO pins and scan time budget. The hardware sequencer and SmartSense auto-tuning eliminate manual baseline recalibration, enabling robust multi-button operation in humid environments.
CY8C4147LQE-S283T 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:
- 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 ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
CY8C4147LQE-S283T FAQ
1.How can I place an order for CY8C4147LQE-S283T through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQE-S283T 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-S283T reliable?
The price and inventory of CY8C4147LQE-S283T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQE-S283T is usually 5 days.
3.What payment methods are accepted for CY8C4147LQE-S283T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147LQE-S283T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147LQE-S283T?
CY8C4147LQE-S283T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LQE-S283T 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-S283T?
For technical support, including CY8C4147LQE-S283T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQE-S283T requirements.
6.How does Aetrix verify that CY8C4147LQE-S283T is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQE-S283T 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-S283T meets industry standards.
7.What is the process for return or replacement of CY8C4147LQE-S283T?
All CY8C4147LQE-S283T units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQE-S283T, 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-S283T part is unused and in its original packaging.
Return procedure for CY8C4147LQE-S283T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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