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Infineon Technologies CY8C4146LQS-S263
- Part No.:
- CY8C4146LQS-S263
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 40-UFQFN Exposed Pad
- Datasheet:
-
CY8C4146LQS-S263.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 40QFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,077
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Product details
Overview
CY8C4146LQS-S263 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 >5:1 SNR. It includes a CAN 2.0B block with TTCAN support, five reconfigurable SCBs (I²C/SPI/UART/LIN), and eight TCPWM blocks-used in motor control, automotive body electronics, and touch-enabled dashboard interfaces.
For engineers reviewing the CY8C4146LQS-S263 datasheet, CY8C4146LQS-S263 pinout, CY8C4146LQS-S263 application, or CY8C4146LQS-S263 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, 54 GPIO with programmable drive modes, and hardware-accelerated CAPSENSE™ with SmartSense auto-tuning.
Technical Context
The device integrates a fixed-function CAN 2.0B controller with TTCAN compliance for deterministic automotive networking, alongside eight independent TCPWM blocks supporting center-aligned PWM, quadrature decoding, and comparator-triggered kill signals for motor safety. Its analog subsystem includes two opamps operable in Deep Sleep, a 12-bit 1-Msps SAR ADC with sequencer and averaging, and a dedicated capacitance-sensing sigma-delta (CSD) block.
Digital flexibility is enabled by five serial communication blocks (SCBs) that can be runtime-reconfigured as I²C, SPI, UART, or LIN slave, plus Smart I/O logic for Boolean operations on GPIOs. Clocking combines a 4–33 MHz ECO, PLL for 48-MHz system clock, 32-kHz WCO, and ±2% IMO-all supporting fail-safe timing in automotive environments.
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. |
| Memory | 128 KB flash (with Read Accelerator), 16 KB SRAM - supports firmware updates and data buffering without external memory. |
| CAN Interface | CAN 2.0B with TTCAN support - provides time-triggered scheduling for synchronized ECU communication in chassis/body networks. |
| ADC | 12-bit SAR, 1 Msps, differential/single-ended, channel sequencer with signal averaging - delivers high-resolution sensor acquisition with noise suppression. |
| CAPSENSE™ | Capacitive sigma-delta (CSD) with >5:1 SNR and water tolerance - enables robust touch buttons/sliders in humid automotive interiors. |
| Power Modes | Deep Sleep: 2.5 µA digital + operational analog - sustains capacitive sensing and comparator wake-up while minimizing battery drain. |
| GPIO | 54 pins, all CAPSENSE™/analog/digital configurable, programmable drive strength/slew rate - eliminates external level shifters and simplifies PCB routing. |
Pinout & Package
CY8C4146LQS-S263 is housed in a 48-pin QFN package (7 mm × 7 mm, 0.5 mm pitch) with wettable flank terminations for automated optical inspection (AOI) and AEC-Q100-compliant solder joint reliability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO3 | I/O power supply rails | Independent 1.71–5.5 V domains per port group enable mixed-voltage interfacing (e.g., 3.3 V MCU core + 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 SCB/CAN functions - configured at runtime via PDL or ModusToolbox™. |
| CAN_TX / CAN_RX | Dedicated CAN physical layer interface | Direct connection to external CAN transceiver (e.g., TJA1042); supports dominant/recessive bit timing per ISO 11898-1. |
| XTAL_IN / XTAL_OUT | External crystal oscillator terminals | Supports 4–33 MHz ECO for precise clock generation; required for CAN bit timing accuracy and TTCAN synchronization. |
| WCO_IN / WCO_OUT | 32-kHz watch crystal oscillator | Enables low-power RTC operation and wake-up from Deep Sleep without waking CPU core. |
Key Features
| Feature | Design Value |
|---|---|
| Hardware CAPSENSE™ CSD engine | Offloads touch processing from CPU; achieves >5:1 SNR and automatic water rejection without firmware tuning. |
| TTCAN compliance | Enables time-triggered message transmission windows for synchronized actuator control in ADAS and body domain ECUs. |
| Deep Sleep with active analog | Allows continuous capacitive sensing or comparator monitoring at 2.5 µA system current - critical for always-on vehicle entry systems. |
| Runtime-reconfigurable SCBs | Five SCBs can be independently assigned as I²C master/slave, SPI master/slave, UART, or LIN slave - reduces BOM count vs. discrete protocol ICs. |
| SmartSense auto-tuning | Hardware-accelerated calibration adjusts sensor parameters dynamically across temperature/humidity - eliminates manual factory calibration. |
Applications
| Automotive Door Module | Electric Power Steering (EPS) Sensor Interface |
|---|---|
Use Scenario: Centralized control of window lift, mirror fold, and door lock actuation with capacitive touch panels. IC Role / Device Role / Timing Role: Main MCU executing CAN bus communication, CAPSENSE™ touch decoding, and PWM-driven motor drivers. Use Value: Single-chip integration replaces discrete MCU + touch controller + CAN transceiver, reducing board area and qualification effort. |
Use Scenario: Acquisition and preprocessing of torque, position, and temperature sensor signals in EPS column modules. IC Role / Device Role / Timing Role: Analog front-end (12-bit SAR ADC, opamp buffering) and CAN 2.0B node transmitting fused sensor data to steering ECU. Use Value: On-chip analog conditioning and TTCAN ensure sub-100 µs latency for torque feedback loops under ASIL-B constraints. |
| Climate Control Panel | Body Control Module (BCM) Subsystem |
Use Scenario: Touch-based HVAC interface with backlight dimming, ambient light sensing, and fan speed control. IC Role / Device Role / Timing Role: CAPSENSE™ host with LCD segment drive capability and PWM-controlled LED backlight dimming. Use Value: Hardware-accelerated touch and display driving eliminate external driver ICs while maintaining water-tolerant operation. |
Use Scenario: Secondary node managing interior lighting, seat position memory, and trunk release via CAN backbone. IC Role / Device Role / Timing Role: CAN 2.0B endpoint with Deep Sleep wake-on-CAN and GPIO-controlled relays/latches. Use Value: 2.5 µA Deep Sleep current extends battery life during vehicle off-state; programmable GPIOs simplify relay driver design. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4147LQS-S473 | Higher flash (256 KB), same 48-MHz M0+, identical CAN/TTCAN and CAPSENSE™ blocks, but Grade-E (–40°C to +125°C). | Required for under-hood applications exceeding +105°C ambient (e.g., engine bay sensors). | Select when extended temperature range is mandatory; otherwise, CY8C4146LQS-S263 offers optimal cost/performance for cabin modules. |
| SPC560B50L5 | 32-bit Power Architecture e200z0, 64 MHz, 512 KB flash, no integrated CAPSENSE™, requires external touch controller. | Used in legacy automotive platforms requiring Power Architecture compatibility and higher compute throughput for complex diagnostics. | Choose only if existing SPC5 toolchain and ASIL-D functional safety certification are required; lacks native touch integration. |
Compared with CY8C4147LQS-S473 and SPC560B50L5, CY8C4146LQS-S263 uniquely balances AEC-Q100 Grade-S qualification, hardware CAPSENSE™, TTCAN, and ultra-low Deep Sleep current-making it optimal for cost-sensitive, space-constrained cabin control nodes where touch and CAN coexist.
Availability
CY8C4146LQS-S263 is available at Aetrix Electronics and suitable for automotive door modules, climate control panels, electric power steering sensor interfaces, and body control module subsystems requiring stable component supply across production lifecycles.
Supply support for CY8C4146LQS-S263 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 automotive, power management, and security solutions, with leadership in AEC-Q100-qualified MCUs and silicon carbide devices.
CY8C4146LQS-S263 belongs to the PSoC™ 4100S Plus product line, designed specifically for automotive body electronics requiring integrated capacitive sensing, CAN connectivity, and low-power operation in extended temperature environments.
FAQ
Does CY8C4146LQS-S263 support functional safety standards like ISO 26262?
CY8C4146LQS-S263 is AEC-Q100 Grade-S qualified and includes safety features such as ECC on flash, parity on SRAM, and watchdog timers-but it is not ASIL-certified out-of-box. Functional safety compliance requires customer implementation of safety mechanisms per ISO 26262 Part 5/6, supported by Infineon's safety manual and FMEDA reports available under NDA.
Can the on-chip CAPSENSE™ replace mechanical switches in automotive interior applications?
Yes-CAPSENSE™ CSD with SmartSense auto-tuning and >5:1 SNR meets automotive requirements for button, slider, and proximity sensing in dashboards and door panels. It supports water tolerance testing per ISO 16750-4 and operates reliably across –40°C to +105°C without recalibration.
What development tools are officially supported for CY8C4146LQS-S263?
Infineon officially supports ModusToolbox™ (v3.1+) and PSoC™ Creator (v4.4) for firmware development. Hardware debugging uses KitProg3 or MiniProg3 programmers. The CY8CKIT-149 prototyping kit provides direct socket support for CY8C4146LQS-S263 in 48-pin QFN format with CAN transceiver and CAPSENSE™ electrodes.
Is external memory required for typical automotive applications using this MCU?
No-128 KB flash and 16 KB SRAM are sufficient for most automotive body control applications, including CAN stack (CANopen or J1939), CAPSENSE™ firmware, sensor fusion algorithms, and PWM motor control. External memory is only needed for large OTA update buffers or advanced logging beyond 16 KB RAM capacity.
CY8C4146LQS-S263 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:
- 48MHz
- Connectivity:
- FIFO, I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART
- Peripherals:
- Brown-out Detect/Reset, CapSense, DMA, POR, PWM, Temp Sensor, WDT
- Number of I/O:
- 34
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 5.5V
- Data Converters:
- A/D 16x10b, 12x12b SAR; D/A 2x7b
- 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:
CY8C4146LQS-S263 FAQ
1.How can I place an order for CY8C4146LQS-S263 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4146LQS-S263 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 CY8C4146LQS-S263 reliable?
The price and inventory of CY8C4146LQS-S263 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4146LQS-S263 is usually 5 days.
3.What payment methods are accepted for CY8C4146LQS-S263?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4146LQS-S263 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4146LQS-S263?
CY8C4146LQS-S263 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4146LQS-S263 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 CY8C4146LQS-S263?
For technical support, including CY8C4146LQS-S263 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4146LQS-S263 requirements.
6.How does Aetrix verify that CY8C4146LQS-S263 is sourced from the original manufacturer or authorized distributors?
All CY8C4146LQS-S263 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 CY8C4146LQS-S263 meets industry standards.
7.What is the process for return or replacement of CY8C4146LQS-S263?
All CY8C4146LQS-S263 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4146LQS-S263, 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 CY8C4146LQS-S263 part is unused and in its original packaging.
Return procedure for CY8C4146LQS-S263:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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