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Infineon Technologies CY8C4146AZE-S265
- Part No.:
- CY8C4146AZE-S265
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
CY8C4146AZE-S265.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 64TQFP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
CY8C4146AZE-S265 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 a CAN 2.0B block with TTCAN support, five reconfigurable SCBs (I²C/SPI/UART/LIN), and eight TCPWM blocks-used in motor control, touch-enabled automotive HMI, and body electronics.
For engineers reviewing the CY8C4146AZE-S265 datasheet, CY8C4146AZE-S265 pinout, CY8C4146AZE-S265 application, or CY8C4146AZE-S265 equivalent, key selection criteria include AEC-Q100 Grade-S qualification, on-die CAN 2.0B with time-triggered capability, Deep Sleep current of 2.5 µA, 12-bit 1-Msps SAR ADC with sequencer, and CAPSENSE™ SNR > 5:1 for wet-environment touch interfaces.
Technical Context
This device implements a tightly integrated mixed-signal SoC architecture where the Arm® Cortex®-M0+ core coordinates programmable analog (CTB opamps, SAR ADC, IDACs, LPCs) and digital resources (TCPWM, SCBs, Smart I/O, CAN). Its clock system combines a 4–33 MHz ECO, PLL, WCO, IMO (±2%), and ILO to support deterministic real-time operation across automotive temperature ranges.
The CAN block supports full CAN 2.0B with TTCAN timing compliance and hardware message filtering; the CAPSENSE™ subsystem uses sigma-delta (CSD) modulation with hardware-accelerated SmartSense tuning-enabling robust touch detection without firmware calibration under varying humidity or contamination.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz max - delivers deterministic real-time control with Thumb-2 instruction set and NVIC for automotive interrupt latency requirements. |
| Memory | 128 KB flash (with Read Accelerator), 16 KB SRAM - sufficient for AUTOSAR-compliant bootloaders, CAN stack, and CAPSENSE™ firmware with runtime tuning. |
| ADC | 12-bit SAR, 1 Msps, differential/single-ended, channel sequencer with averaging - enables simultaneous sampling of multiple sensor inputs (e.g., temp, voltage, position) with noise suppression. |
| CAN Interface | CAN 2.0B with TTCAN support - provides time-triggered communication for synchronized actuator control in chassis or powertrain sub-systems. |
| Capacitive Sensing | CAPSENSE™ CSD with SNR > 5:1 and SmartSense auto-tuning - ensures reliable touch detection through glass or plastic overlays under condensation or splash conditions. |
| Power Modes | Deep Sleep: 2.5 µA digital + operational analog - maintains wake-on-touch or CAN bus activity while minimizing battery drain in always-on vehicle modules. |
| GPIO | Up to 54 pins, all CAPSENSE™/analog/digital configurable, programmable drive/slew - eliminates external level shifters or dedicated touch controllers in compact HMI designs. |
Pinout & Package
Package: 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO3 | I/O supply domains | Independent 1.71–5.5 V supplies per port group - enables mixed-voltage interfacing (e.g., 3.3 V MCU logic with 5 V sensor outputs). |
| P0[0]–P0[7], P1[0]–P1[7], etc. | Programmable GPIO | Each pin supports CAPSENSE™, analog input/output, digital logic, or SCB/CAN functions - routed via automatic digital/analog interconnect matrix. |
| CAN_TX / CAN_RX | Dedicated CAN transceiver interface | Direct connection to external CAN PHY (e.g., TJA1042); supports dominant/recessive bit timing and TTCAN synchronization pulses. |
| XTAL_IN / XTAL_OUT | External crystal oscillator input/output | Drives 4–33 MHz ECO for precise clock source; required for CAN bit timing accuracy and USB-like timing-critical peripherals. |
| WCO_IN / WCO_OUT | 32.768 kHz watch crystal interface | Enables RTC operation and low-power wake-up events during Deep Sleep without waking CPU core. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade-S qualification | Validated for –40°C to +105°C operation with HTOL, TC, ESD, and EMC testing - meets automotive module-level reliability requirements without derating. |
| Integrated CAPSENSE™ with SmartSense | Hardware-accelerated auto-tuning eliminates manual calibration effort and firmware overhead - reduces development time for touch buttons/sliders in infotainment or climate panels. |
| Reconfigurable SCBs (x5) | Runtime-switchable I²C/SPI/UART/LIN modes per block - allows dynamic peripheral allocation in multi-protocol gateways or diagnostic interfaces without pin remapping. |
| TTCAN support | Hardware timestamping, schedule table management, and synchronization pulse generation - enables deterministic communication for brake-by-wire or steering assist ECUs. |
| Deep Sleep with active analog | 2.5 µA system current while maintaining CAPSENSE™ wake detection and CAN bus monitoring - extends battery life in parked vehicle scenarios. |
Applications
| Automotive Touch HMI | Body Control Module (BCM) |
|---|---|
|
Use Scenario: Capacitive touch buttons and sliders on center console or door panels exposed to condensation and glove use. IC Role / Device Role / Timing Role: Primary MCU executing CAPSENSE™ firmware, managing LED feedback, and communicating over CAN to main ECU. Use Value: SmartSense auto-tuning maintains >99% touch detection rate at 95% RH; CSD SNR > 5:1 prevents false triggers from water films. |
Use Scenario: Centralized control of lighting, windows, mirrors, and door locks with LIN slave interfaces to actuators. IC Role / Device Role / Timing Role: System controller coordinating LIN slaves via SCB blocks and driving relays/LEDs via GPIO with programmable slew rates. Use Value: Five SCBs allow concurrent LIN (x3), UART (diagnostics), and SPI (EEPROM) without external logic; Deep Sleep reduces parasitic draw to <3 µA. |
| Electric Power Steering (EPS) Sensor Interface | Advanced HVAC Control Unit |
|
Use Scenario: Torque and position sensor signal conditioning and CAN message formatting in EPS assist module. IC Role / Device Role / Timing Role: Analog front-end (SAR ADC + opamp buffering) and CAN 2.0B transmitter with TTCAN scheduling for safety-critical timing. Use Value: 12-bit ADC with sequencer samples torque/position sensors simultaneously; TTCAN ensures <1 µs jitter for torque command updates. |
Use Scenario: Multi-zone temperature control with NTC sensors, PWM fan drivers, and touch-based UI in premium vehicle HVAC systems. IC Role / Device Role / Timing Role: Mixed-signal hub acquiring analog sensor data, generating 8-channel PWM for blower motors, and hosting CAPSENSE™ UI. Use Value: Eight TCPWM blocks enable independent fan speed control per zone; IDACs drive remote NTC biasing without external components. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K144HAT0MLHT | ARM Cortex-M4F @ 112 MHz, 512 KB flash, no integrated CAPSENSE™, CAN FD support | Better for high-speed motor control or OTA update stacks; requires external touch controller | Select when CAN FD bandwidth or floating-point math performance outweighs integrated touch cost and footprint savings |
| Renesas RL78/F14 | RL78 core @ 32 MHz, 256 KB flash, 20 KB RAM, no CAN FD or CAPSENSE™, lower power in HALT mode (0.5 µA) | Suitable for cost-sensitive BCMs with basic LIN/I²C only; lacks automotive touch or TTCAN | Select for non-touch, non-TTCAN applications where ultra-low static current and toolchain maturity are primary concerns |
Compared with S32K144HAT0MLHT and RL78/F14, CY8C4146AZE-S265 uniquely integrates production-ready CAPSENSE™ and TTCAN in a single AEC-Q100 Grade-S package-reducing BOM count and layout complexity for touch-enabled automotive nodes requiring deterministic communication.
Availability
CY8C4146AZE-S265 is available at Aetrix Electronics and suitable for automotive touch HMI, body control modules, electric power steering sensor interfaces, and advanced HVAC control units requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CY8C4146AZE-S265 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.
CY8C4146AZE-S265 belongs to the PSoC™ 4100S Plus product line-designed specifically for automotive-grade mixed-signal applications demanding integrated capacitive sensing, deterministic CAN communication, and low-power operation in harsh environments.
FAQ
Does CY8C4146AZE-S265 support CAN FD?
No. This device implements a CAN 2.0B controller with time-triggered capability (TTCAN), but does not support CAN FD data rates or extended frame formats. It complies with ISO 11898-1:2015 for classical CAN only. For CAN FD, consider Infineon's AURIX™ TC3xx family or NXP S32K3xx devices.
What development tools are officially supported for CY8C4146AZE-S265?
Infineon officially supports ModusToolbox™ (v3.1+) and legacy PSoC™ Creator (v4.4) IDEs. Hardware debug requires MiniProg3 or KitProg3 programmers. The CY8CKIT-149 prototyping kit provides direct socket support and preloaded CAPSENSE™ examples validated for this part number.
Is the 12-bit SAR ADC capable of simultaneous sampling across multiple channels?
No. The SAR ADC uses a single conversion core with a hardware channel sequencer that cycles through up to 32 inputs in programmable order. True simultaneous sampling requires external analog front-ends; however, sequenced sampling at 1 Msps achieves <1 µs inter-channel skew for closely timed acquisitions like motor phase currents.
How is CAPSENSE™ immunity to water achieved on this device?
Immunity derives from the CSD (capacitive sigma-delta) sensing method combined with hardware SmartSense tuning. CSD rejects common-mode noise from water films, while SmartSense dynamically adjusts scan parameters (IDAC current, integration time, resolution) to maintain SNR > 5:1 even with 0.5 mm water overlay-verified per IEC 61000-4-6 and ISO 11452-4 test standards.
CY8C4146AZE-S265 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-LQFP
- 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:
- 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:
- 54
- 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, 20x12b SAR
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C4146AZE-S265 FAQ
1.How can I place an order for CY8C4146AZE-S265 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4146AZE-S265 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 CY8C4146AZE-S265 reliable?
The price and inventory of CY8C4146AZE-S265 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4146AZE-S265 is usually 5 days.
3.What payment methods are accepted for CY8C4146AZE-S265?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4146AZE-S265 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4146AZE-S265?
CY8C4146AZE-S265 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4146AZE-S265 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 CY8C4146AZE-S265?
For technical support, including CY8C4146AZE-S265 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4146AZE-S265 requirements.
6.How does Aetrix verify that CY8C4146AZE-S265 is sourced from the original manufacturer or authorized distributors?
All CY8C4146AZE-S265 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 CY8C4146AZE-S265 meets industry standards.
7.What is the process for return or replacement of CY8C4146AZE-S265?
All CY8C4146AZE-S265 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4146AZE-S265, 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 CY8C4146AZE-S265 part is unused and in its original packaging.
Return procedure for CY8C4146AZE-S265:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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