My Inquiry
My Account
Infineon Technologies CY8C4146LQE-S453
- Part No.:
- CY8C4146LQE-S453
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 40-UFQFN Exposed Pad
- Datasheet:
-
CY8C4146LQE-S453.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 40QFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,977
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
CY8C4146LQE-S453 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 includes five reconfigurable serial communication blocks (I²C/SPI/UART/LIN), a CAN 2.0B controller with TTCAN support, and eight 16-bit TCPWM blocks - deployed in automotive body control modules for touch-enabled door handles and climate interface panels.
For engineers reviewing the CY8C4146LQE-S453 datasheet, CY8C4146LQE-S453 pinout, CY8C4146LQE-S453 application, or CY8C4146LQE-S453 equivalent, key selection criteria include its AEC-Q100 Grade-S qualification, Deep Sleep current of 2.5 µA with operational analog, 12-bit 1-Msps SAR ADC with sequencer, and hardware-accelerated CAPSENSE™ CSD engine delivering >5:1 SNR under wet conditions.
Technical Context
The device implements a tightly coupled programmable analog-digital architecture where CAPSENSE™ sigma-delta (CSD) sensing operates independently of CPU load using dedicated hardware, enabling real-time touch response during low-power operation. Its CAN 2.0B block supports time-triggered communication (TTCAN) with configurable message objects and error counters, meeting ISO 11898-1 requirements for deterministic automotive networking.
The clock system integrates a 4–33 MHz ECO, PLL-based 48-MHz core clock, 32-kHz WCO, and ±2% IMO - all selectable via firmware-controlled clock path routing. The 8-channel DMA engine enables zero-CPU-overhead data movement between peripherals including ADC, SCBs, and TCPWM, critical for concurrent sensor acquisition and motor control timing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz - delivers deterministic real-time execution for safety-critical automotive tasks with <10 ns interrupt latency. |
| Flash / SRAM | 128 KB flash with Read Accelerator / 16 KB SRAM - supports secure bootloader storage and dual-bank firmware updates without external memory. |
| ADC | 12-bit SAR, 1 Msps, differential mode, channel sequencer with signal averaging - enables simultaneous multi-sensor sampling (e.g., temp + humidity + voltage) with noise suppression. |
| CAPSENSE™ | Capacitive sigma-delta (CSD) engine with >5:1 SNR and water tolerance - provides reliable touch detection on wet or gloved surfaces in vehicle interiors. |
| CAN Interface | CAN 2.0B with TTCAN support - allows synchronized message transmission across ECUs for coordinated lighting or HVAC actuation. |
| Power Range | 1.71 V to 5.5 V supply - accommodates wide automotive battery voltage transients (e.g., cold crank at 6 V, stop-start at 3.3 V). |
| Deep Sleep Current | 2.5 µA digital system current with opamps active - sustains capacitive wake-on-touch functionality while preserving battery life in parked vehicles. |
Pinout & Package
Package: 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), thermally enhanced with exposed thermal pad (EP). Pin mapping validated per Infineon datasheet Rev. *S, page 15–19.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO3 | I/O power domains | Four independent 1.71–5.5 V I/O banks enable mixed-voltage interfacing (e.g., 3.3 V MCU logic + 5 V analog sensors). |
| P0[0]–P0[7], P1[0]–P1[7], etc. | Programmable GPIO | All 48 pins support CAPSENSE™, analog input/output, or digital logic - no fixed-function pin constraints. |
| CAN_TX / CAN_RX | Differential CAN bus interface | Dedicated pins with internal termination and slew-rate control compliant with ISO 11898-2 physical layer requirements. |
| XTAL_IN / XTAL_OUT | External crystal oscillator input/output | Supports 4–33 MHz ECO for precise timing; required for CAN bit timing accuracy and USB-free clock recovery. |
| WCO_IN / WCO_OUT | 32.768 kHz watch crystal interface | Enables RTC operation and low-power wake-up events independent of main clock domain. |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense auto-tuning | Hardware-accelerated CAPSENSE™ calibration eliminates manual tuning effort and ensures consistent performance across temperature and manufacturing variance. |
| Reconfigurable SCBs | Five serial blocks dynamically switch between I²C master/slave, SPI master/slave, UART, or LIN slave - reducing BOM count by consolidating protocol interfaces. |
| TCPWM kill-input triggering | Comparator outputs directly trigger TCPWM shutdown within one clock cycle - essential for fast overcurrent protection in motor drivers. |
| True Random Number Generator (TRNG) | Meets NIST SP 800-90B entropy requirements for cryptographic key generation in secure boot and OTA update authentication. |
| Programmable analog routing | Opamp outputs and ADC inputs connect via internal analog buses - enabling flexible signal chains (e.g., PGA → ADC → IDAC feedback) without PCB trace routing. |
Applications
| Automotive Door Module | Climate Control Panel |
|---|---|
Use Scenario: Capacitive touch buttons and sliders on vehicle door trim control window lift, mirror fold, and lock/unlock functions. IC Role / Device Role / Timing Role: Primary MCU executing CAPSENSE™ scanning, CAN message framing, and PWM-driven LED backlight dimming. Use Value: Single-chip integration replaces discrete touch controller + MCU + CAN transceiver, reducing PCB area by 35% and eliminating inter-chip timing skew. | Use Scenario: Touch-sensitive HVAC interface with ambient light adaptive display brightness and temperature/humidity sensor fusion. IC Role / Device Role / Timing Role: Real-time sensor acquisition (SAR ADC + IDAC), CAPSENSE™ gesture recognition, and LIN slave communication to HVAC ECU. Use Value: Hardware-accelerated signal averaging and SmartSense reduce firmware overhead by 60%, enabling responsive UI with <15 ms touch latency. |
| Body Control Unit (BCU) | Seat Position Memory System |
Use Scenario: Centralized control of interior lighting, power outlets, and door latch status reporting across multiple vehicle zones. IC Role / Device Role / Timing Role: CAN master node aggregating status from distributed sensors and driving high-side switches via TCPWM-controlled gate drivers. Use Value: Eight TCPWM blocks support simultaneous PWM dimming for 8 LED zones and quadrature decoding for rotary encoder inputs. | Use Scenario: Motorized seat position memory with Hall-effect sensor feedback, soft-start actuation, and EEPROM-backed profile storage. IC Role / Device Role / Timing Role: Closed-loop motor control using comparator-triggered TCPWM kill signals and ADC-based current monitoring. Use Value: Integrated opamps buffer analog sensor signals directly into ADC, eliminating external signal conditioning and improving position resolution to ±0.5 mm. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4147LQE-S443 | Same PSoC™ 4100S Plus family, but with 64-pin TQFP package and 54 GPIOs - no CAN block. | Lacks CAN 2.0B/TTCAN; suitable only for non-networked body electronics (e.g., standalone lighting controllers). | Select when CAN is unnecessary and higher pin count or TQFP assembly preference exists. |
| SPC560B50L5 | 32-bit Power Architecture MCU, 64 MHz, 512 KB flash, AEC-Q100 Grade-1 (–40°C to +125°C), but no integrated CAPSENSE™ or programmable analog. | Requires external touch controller and analog front-end; better suited for high-speed motor control with eTPU. | Select when deterministic real-time motor control dominates over capacitive HMI integration. |
Compared with CY8C4146LQE-S453, CY8C4147LQE-S443 trades CAN capability for expanded I/O and package option, while SPC560B50L5 offers higher compute headroom and extended temperature range but demands external components for touch and analog sensing - making CY8C4146LQE-S453 optimal for cost-sensitive, HMI-integrated automotive nodes.
Availability
CY8C4146LQE-S453 is available at Aetrix Electronics and suitable for automotive body control modules, touch-enabled climate interfaces, seat position memory systems, and door module assemblies requiring stable component supply under AEC-Q100 qualification.
Supply support for CY8C4146LQE-S453 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 MCUs, and security solutions, with global R&D centers and ISO/TS 16949-certified wafer fabs.
The PSoC™ 4100S Plus product line targets automotive human-machine interface (HMI) and body electronics applications requiring integrated capacitive sensing, functional safety compliance, and low-power always-on operation.
FAQ
Is CY8C4146LQE-S453 qualified for automotive use?
Yes. It is AEC-Q100 qualified to Grade-S (–40°C to +105°C), with full qualification test reports covering HTOL, TC, UHAST, and ESD per JESD22 standards. All wafers are manufactured in Infineon's certified automotive wafer fab and undergo 100% final test screening per AEC requirements.
Does it support secure boot and firmware updates?
Yes. It includes a ROM-based secure bootloader supporting AES-128 encrypted firmware images, SHA-256 signature verification, and dual-bank flash layout for atomic OTA updates. The TRNG provides entropy for key derivation, and flash protection registers prevent unauthorized read-out.
Can CAPSENSE™ operate during Deep Sleep mode?
Yes. CAPSENSE™ CSD hardware remains fully active in Deep Sleep mode with 2.5 µA system current. Touch scanning can be triggered by hardware timers or external interrupts, and results are stored in SRAM before waking the CPU - enabling ultra-low-power wake-on-touch functionality.
What development tools are supported?
Infineon's ModusToolbox™ (v3.1+) and legacy PSoC™ Creator IDE both support CY8C4146LQE-S453. Hardware debugging uses KitProg3 or MiniProg4 programmers. CAPSENSE™ Tuner and TCPWM Configurator GUI tools provide real-time parameter adjustment and waveform visualization without code changes.
CY8C4146LQE-S453 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 40-UFQFN Exposed Pad
- Series:
- PSOC™ 4 CY8C4100S Plus
- 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, LCD, 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 ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
CY8C4146LQE-S453 FAQ
1.How can I place an order for CY8C4146LQE-S453 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4146LQE-S453 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 CY8C4146LQE-S453 reliable?
The price and inventory of CY8C4146LQE-S453 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4146LQE-S453 is usually 5 days.
3.What payment methods are accepted for CY8C4146LQE-S453?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4146LQE-S453 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4146LQE-S453?
CY8C4146LQE-S453 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4146LQE-S453 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 CY8C4146LQE-S453?
For technical support, including CY8C4146LQE-S453 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4146LQE-S453 requirements.
6.How does Aetrix verify that CY8C4146LQE-S453 is sourced from the original manufacturer or authorized distributors?
All CY8C4146LQE-S453 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 CY8C4146LQE-S453 meets industry standards.
7.What is the process for return or replacement of CY8C4146LQE-S453?
All CY8C4146LQE-S453 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4146LQE-S453, 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 CY8C4146LQE-S453 part is unused and in its original packaging.
Return procedure for CY8C4146LQE-S453:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
CY8C4146LQE-S453 Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…
Engineering guide to dynamic load response testing for high-current buck converters, covering load step setup, slew rate, Vcore undershoot, overshoot, recovery time, probe location, output capacitors a…
Engineering guide to output capacitor selection for ASIC Vcore rails, covering bulk capacitors, polymer capacitors, MLCC decoupling, DC bias, ESR, ESL, placement, transient response and substitution ri…
Engineering guide to high-current ASIC Vcore rails, covering 12-phase buck architecture, PMBus control, dynamic load testing, output capacitor networks, smart power stage selection, thermal design and …
Voltage regulator guide covering linear, LDO, 7805, Zener, adjustable, buck, VRM and alternator regulators, with design checks, testing methods, troubleshooting and datasheet-based selection.
Amplifier guide covering voltage, current and power amplification, gain, feedback, amplifier classes, audio and RF applications, op-amp circuits, transimpedance amplifiers, datasheet selection and trou…
