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Infineon Technologies CY8C4146LQA-S263T
- Part No.:
- CY8C4146LQA-S263T
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 40-UFQFN Exposed Pad
- Datasheet:
-
CY8C4146LQA-S263T.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 40QFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,461
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Product details
Overview
CY8C4146LQA-S263T 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 delivers programmable analog (2 opamps, 12-bit 1-Msps SAR ADC, 2 IDACs), digital logic (8 TCPWM, 5 SCBs), CAN 2.0B with TTCAN support, and operates from 1.71 V to 5.5 V - deployed in automotive body control modules requiring robust touch HMI and motor timing.
For engineers reviewing the CY8C4146LQA-S263T datasheet, CY8C4146LQA-S263T pinout, CY8C4146LQA-S263T application, or CY8C4146LQA-S263T equivalent, key selection criteria include AEC-Q100 Grade-S qualification, on-die CAPSENSE™ SNR >5:1, CAN 2.0B + TTCAN compliance, Deep Sleep current ≤2.5 µA, and reconfigurable SCB blocks supporting concurrent I²C/SPI/UART/LIN.
Technical Context
This device implements a tightly integrated mixed-signal SoC architecture where the Arm® Cortex®-M0+ core coordinates programmable analog (CTB, SAR ADC, IDAC) and digital (TCPWM, SCB, CAN) peripherals via a unified routing fabric. Its clock system includes ECO (4–33 MHz), PLL (48 MHz output), WCO (32 kHz), IMO (±2%), and ILO (32 kHz), enabling precise timing for motor control and touch sensing.
The CAPSENSE™ subsystem uses capacitance-sigma-delta (CSD) modulation with hardware-accelerated SmartSense tuning, delivering water-tolerant touch detection without firmware calibration. The CAN block supports time-triggered operation (TTCAN) with dedicated message RAM 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 execution of automotive body control tasks with <100 ns interrupt latency. |
| Memory | 128 KB flash (with Read Accelerator), 16 KB SRAM - supports secure bootloader, OTA updates, and dual-bank firmware storage. |
| Analog Peripherals | 2 opamps (Deep Sleep capable), 12-bit 1-Msps SAR ADC, 2 IDACs - enables sensor signal conditioning and self-capacitance measurement on any GPIO. |
| Digital Peripherals | 8 TCPWM blocks (quadrature decode, center-aligned PWM), 5 SCBs (I²C/SPI/UART/LIN), 1 CAN 2.0B with TTCAN - supports motor phase control, LIN gateway, and time-synchronized 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) - meets automotive cold-cranking and under-hood thermal requirements. |
| GPIO & Packaging | Up to 54 programmable GPIOs, 48-pin QFN (7×7 mm, 0.5 mm pitch) - provides layout flexibility for compact ECU designs with mixed analog/digital routing. |
Pinout & Package
Package: 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level (MSL) 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0 | I/O power supply | Supplies 1.71–5.5 V to Port 0 GPIOs; independent from VDDD, enabling mixed-voltage interface design. |
| VDDD | Digital core supply | Provides regulated 1.71–5.5 V to CPU, memory, and digital logic; decoupling required per datasheet layout guidelines. |
| VREFB | ADC reference input | Accepts external reference (0.6–VDDA) or internal 1.2 V bandgap; sets full-scale range for 12-bit SAR ADC conversions. |
| CAN_TX / CAN_RX | CAN physical layer interface | Differential pair routed to external CAN transceiver; supports 1 Mbps operation and TTCAN timestamp synchronization. |
| XTAL_IN / XTAL_OUT | External crystal oscillator connection | Drives 4–33 MHz ECO; used with PLL for precise 48 MHz system clock and jitter-sensitive timing applications. |
| P0[0]–P0[7] | Programmable GPIO bank | Support CAPSENSE™ CSD, analog input, or digital I/O with configurable drive strength, slew rate, and pull-up/down. |
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 analog retention | Opamps, comparators, and IDACs remain operational in Deep Sleep mode at ≤2.5 µA system current - enables always-on touch wake-up. |
| Reconfigurable SCBs | Five serial blocks dynamically switch between I²C master/slave, SPI master/slave, UART, or LIN slave - reduces BOM count in multi-protocol gateways. |
| TTCAN support | Time-triggered CAN scheduling with hardware timestamping and guaranteed message delivery windows - satisfies ASAM MCD-2 MC and AUTOSAR timing constraints. |
| True Random Number Generator (TRNG) | Dedicated entropy source compliant with NIST SP 800-90B - enables FIPS 140-2 Level 1 cryptographic key generation for secure boot and firmware signing. |
Applications
| Automotive Door Module | Climate Control Panel |
|---|---|
Use Scenario: Integrated door ECU managing window lift, mirror fold, and interior lighting with capacitive touch controls. IC Role / Device Role / Timing Role: Main MCU executing motor control (via TCPWM), CAPSENSE™ HMI, and LIN communication to body domain controller. Use Value: Single-chip integration eliminates discrete touch controller and LIN transceiver, reducing PCB area by 35% and component count by 12. | Use Scenario: HVAC control panel with water-resistant touch sliders, fan speed PWM, and ambient temperature sensing. IC Role / Device Role / Timing Role: System-on-chip handling CSD-based slider input, 12-bit ADC for thermistor reading, and 8-channel PWM for blower motor control. Use Value: SmartSense maintains touch accuracy during condensation; Deep Sleep enables low-power wake-on-touch with <2.5 µA quiescent current. |
| Steering Wheel Touch Interface | Seat Position Memory Module |
Use Scenario: Safety-critical steering wheel with multi-function capacitive buttons for cruise control, audio, and voice assistant activation. IC Role / Device Role / Timing Role: AEC-Q100 Grade-S MCU performing real-time touch debouncing, CAN message transmission, and watchdog supervision. Use Value: Hardware CRC and ECC on flash, plus TTCAN timestamps, ensure functional safety compliance per ISO 26262 ASIL-B requirements. | Use Scenario: Motorized seat ECU storing position profiles, controlling dual DC motors, and communicating over CAN with vehicle network. IC Role / Device Role / Timing Role: Primary controller running motor commutation logic (center-aligned PWM), CAN protocol stack, and nonvolatile profile storage. Use Value: On-die 128 KB flash with Read Accelerator enables fast profile recall (<50 µs); CAN block handles priority-based message arbitration without CPU intervention. |
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, no integrated CAPSENSE™, requires external touch controller | Targets higher-performance motor control with FPU; lacks native water-tolerant touch sensing | Select when floating-point math or Ethernet/AutoSAR Classic stack depth outweighs integrated HMI capability |
| Renesas RL78/F14 | 16-bit RL78 core, 32 MHz, 128 KB flash, no CAN FD or TTCAN, limited analog resources | Focused on cost-sensitive body electronics without advanced timing or safety features | Select only for legacy 16-bit migration paths where CAN 2.0B and Deep Sleep <5 µA are sufficient |
Compared with S32K144W and RL78/F14, CY8C4146LQA-S263T uniquely integrates CAPSENSE™ with SmartSense, TTCAN, and sub-3 µA Deep Sleep - making it optimal for space-constrained, touch-enabled automotive ECUs requiring ASIL-B readiness without external components.
Availability
CY8C4146LQA-S263T is available at Aetrix Electronics and suitable for automotive door modules, climate control panels, steering wheel interfaces, and seat position memory systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CY8C4146LQA-S263T 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.
CY8C4146LQA-S263T belongs to the PSoC™ 4100S Plus product line - designed specifically for automotive body electronics requiring AEC-Q100 qualification, integrated capacitive sensing, and deterministic real-time control in harsh environments.
FAQ
Is CY8C4146LQA-S263T qualified for automotive use?
Yes. It is AEC-Q100 qualified to Grade-S (–40°C to +105°C), with built-in diagnostics including flash ECC, RAM parity, clock failure detection, and watchdog timers - meeting requirements for automotive body control and comfort systems.
Does this part support CAN FD or only classical CAN?
CY8C4146LQA-S263T supports CAN 2.0B only, with full TTCAN (time-triggered CAN) capability including hardware timestamping and guaranteed message scheduling - but does not implement CAN FD data-rate extension or flexible data-length frames.
Can CAPSENSE™ operate while the CPU is in Deep Sleep?
Yes. CAPSENSE™ CSD scanning, SmartSense auto-tuning, and interrupt generation function autonomously in Deep Sleep mode with total system current ≤2.5 µA - enabling true wake-on-touch functionality without CPU wake-up overhead.
What development tools are officially supported?
Infineon officially supports ModusToolbox™ (Eclipse-based IDE with PDL and CAPSENSE™ middleware) and legacy PSoC™ Creator. Both provide schematic-driven configuration, automatic routing, and validated code examples for TCPWM, SCB, CAN, and CAPSENSE™ peripherals.
CY8C4146LQA-S263T 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:
- 48MHz
- Connectivity:
- CANbus, I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART
- Peripherals:
- Brown-out Detect/Reset, CapSense, DMA, POR, PWM, 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, 16x12b SAR, Sigma-Delta; D/A 1x12b
- 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:
CY8C4146LQA-S263T FAQ
1.How can I place an order for CY8C4146LQA-S263T through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4146LQA-S263T 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 CY8C4146LQA-S263T reliable?
The price and inventory of CY8C4146LQA-S263T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4146LQA-S263T is usually 5 days.
3.What payment methods are accepted for CY8C4146LQA-S263T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4146LQA-S263T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4146LQA-S263T?
CY8C4146LQA-S263T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4146LQA-S263T 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 CY8C4146LQA-S263T?
For technical support, including CY8C4146LQA-S263T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4146LQA-S263T requirements.
6.How does Aetrix verify that CY8C4146LQA-S263T is sourced from the original manufacturer or authorized distributors?
All CY8C4146LQA-S263T 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 CY8C4146LQA-S263T meets industry standards.
7.What is the process for return or replacement of CY8C4146LQA-S263T?
All CY8C4146LQA-S263T units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4146LQA-S263T, 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 CY8C4146LQA-S263T part is unused and in its original packaging.
Return procedure for CY8C4146LQA-S263T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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