Infineon Technologies CY8C4147LQSS445XQSA1
- Part No.:
- CY8C4147LQSS445XQSA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-VFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQSS445XQSA1.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64VFQFN
- Quantity:
- Payment:

- Shipping:

Inventory:4,849
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Product details
Overview
CY8C4147LQSS445XQSA1 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 (SCBs), eight TCPWM modules, a CAN 2.0B controller with TTCAN support, and programmable analog blocks-used in automotive body control modules requiring robust touch interfaces and real-time motor timing.
For engineers reviewing the CY8C4147LQSS445XQSA1 datasheet, CY8C4147LQSS445XQSA1 pinout, CY8C4147LQSS445XQSA1 application, or CY8C4147LQSS445XQSA1 equivalent, key selection criteria include its AEC-Q100 Grade-S qualification, on-chip CAN 2.0B with time-triggered capability, Deep Sleep current of 2.5 µA, 12-bit 1-Msps SAR ADC, and CAPSENSE™ SNR > 5:1 for wet-environment touch reliability.
Technical Context
This device implements a tightly integrated mixed-signal SoC architecture where the Arm® Cortex®-M0+ core executes firmware while programmable digital logic (Smart I/O) and analog blocks (CTB opamps, SAR ADC, IDACs) operate independently under hardware control. Its clock system combines a 4–33 MHz ECO, PLL, 32-kHz WCO, and ±2% IMO to support deterministic real-time operation across temperature.
The CAN block supports full CAN 2.0B protocol with TTCAN extensions for synchronized message scheduling, and the TCPWM subsystem delivers quadrature decoding, kill-signal triggering via comparator inputs, and center-aligned PWM-enabling precise motor control without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz max - enables deterministic real-time control with Thumb-2 instruction set and NVIC interrupt handling. |
| Flash / SRAM | 128 KB flash with Read Accelerator / 16 KB SRAM - supports complex automotive firmware with fast code execution and data buffering. |
| Operating Voltage | 1.71 V to 5.5 V - allows direct interface with 3.3 V and 5 V automotive subsystems without level-shifting. |
| Temperature Range | Grade-S: –40°C to +105°C - qualified for under-hood and cabin control applications per AEC-Q100 Rev G. |
| CAN Interface | CAN 2.0B with TTCAN support - provides time-deterministic messaging for distributed vehicle networks (e.g., seat/mirror control). |
| CAPSENSE™ Performance | Sigma-delta CSD with SNR > 5:1 and water tolerance - enables reliable touch buttons in humid or condensing environments. |
| Deep Sleep Current | 2.5 µA digital system current - sustains wake-on-touch or CAN bus activity with minimal battery drain in always-on modules. |
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 power supply domains | Independent 1.71–5.5 V supplies per port group enable mixed-voltage interfacing (e.g., 3.3 V MCU logic + 5 V sensor input). |
| P0[0]–P0[7], P1[0]–P1[7], etc. | Programmable GPIOs (up to 54) | Each pin supports CAPSENSE™, analog input/output, digital logic, or SCB/CAN functions - configured at runtime via firmware. |
| 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 connection | Supports 4–33 MHz ECO for high-accuracy timing; required for CAN bit timing stability and USB-free clock derivation. |
| WAKEUP / RESET | Asynchronous wake-up and reset control | Hardware-level Deep Sleep exit and cold-start initialization independent of CPU state. |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense auto-tuning | Hardware-accelerated CAPSENSE™ calibration eliminates manual parameter tuning and maintains SNR > 5:1 across voltage/temperature drift. |
| Reconfigurable SCBs | Five serial blocks dynamically switch between I²C/SPI/UART/LIN slave modes - reduces BOM count and PCB footprint in multi-protocol gateways. |
| TCPWM with Kill Input | Comparator-triggered PWM shutdown within <100 ns - meets functional safety requirements for motor driver fault response (ASIL-B). |
| True Random Number Generator | On-chip TRNG certified per NIST SP 800-90B - enables secure key generation for TLS handshake and firmware authentication in OTA updates. |
| Capacitive sigma-delta (CSD) | Dedicated hardware block delivering >100 dB dynamic range for proximity sensing - supports gesture recognition and multi-finger touch without host CPU load. |
Applications
| Automotive Door Module | Climate Control Panel |
|---|---|
Use Scenario: Integrated door control unit managing window lift, mirror fold, and interior lighting with touch-sensitive controls. IC Role / Device Role / Timing Role: Main MCU executing LIN gateway logic, CAPSENSE™ for bezel-less touch, and TCPWM for silent BLDC window motor drive. Use Value: Single-chip integration replaces discrete MCU + touch controller + motor driver, reducing board area by 35% and enabling IP67-rated sealed front panels. | Use Scenario: HVAC control panel with capacitive sliders, rotary encoders, and ambient light compensation. IC Role / Device Role / Timing Role: Touch acquisition engine with SmartSense, SAR ADC for thermistor reading, and SCB-based I²C master to fan driver ICs. Use Value: Hardware-accelerated CSD achieves 10-ms touch response and >99% false-touch rejection in condensing cabin environments. |
| Seat Position Memory System | Steering Wheel Controls |
Use Scenario: Non-volatile seat position storage and recall using CAN bus synchronization with vehicle ignition state. IC Role / Device Role / Timing Role: CAN 2.0B node with TTCAN scheduling, flash-based EEPROM emulation, and analog monitoring of potentiometer feedback. Use Value: Time-triggered CAN ensures position recall completes within 50 ms of ignition-on, meeting OEM startup timing specifications. | Use Scenario: Multi-function steering wheel with pressure-sensitive buttons, haptic feedback drivers, and CAN message injection. IC Role / Device Role / Timing Role: CAPSENSE™ acquisition + haptic PWM generation + CAN TX/RX for infotainment command relay. Use Value: Sub-100 µs haptic pulse timing alignment with touch detection enables tactile feedback perceptually synchronized to user press. |
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 S32K144WHT0MLHT | ARM Cortex-M4F core, 112 MHz; no integrated CAPSENSE™; requires external touch controller. | Better floating-point performance for motor control algorithms; lacks hardware touch acceleration. | Select when advanced math-intensive control (e.g., field-oriented motor control) outweighs touch integration needs. |
| Renesas RL78/F14 | 16-bit RL78 core, 32 MHz; built-in touch I/O but no sigma-delta CSD; no CAN FD or TTCAN. | Lower cost for basic touch + CAN nodes; limited SNR (<3:1) and no time-triggered scheduling. | Select for entry-level body electronics where ASIL-B timing determinism and wet-environment touch are not required. |
Compared with S32K144WHT0MLHT and RL78/F14, CY8C4147LQSS445XQSA1 uniquely integrates CAPSENSE™ sigma-delta hardware, TTCAN, and Deep Sleep at 2.5 µA-making it optimal for space-constrained, touch-centric automotive modules needing guaranteed timing and low-power always-on capability.
Availability
CY8C4147LQSS445XQSA1 is available at Aetrix Electronics and suitable for automotive door modules, climate control panels, and seat position memory systems requiring stable component supply, AEC-Q100 compliance, and long-term lifecycle support.
Supply support for CY8C4147LQSS445XQSA1 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 and manufacturing infrastructure.
CY8C4147LQSS445XQSA1 belongs to the PSoC™ 4100S Plus product line, designed specifically for automotive body electronics requiring integrated capacitive sensing, CAN connectivity, and ultra-low-power operation across extended temperature ranges.
FAQ
Does CY8C4147LQSS445XQSA1 support CAN FD?
No. This device implements CAN 2.0B with optional time-triggered extensions (TTCAN), but does not support CAN FD data rates or frame formats. Its CAN controller complies with ISO 11898-1:2015 for classic CAN only, with bit rates up to 1 Mbps and TTCAN schedule tables stored in flash.
What is the maximum operating frequency of the internal main oscillator (IMO)?
The internal main oscillator (IMO) operates at a factory-trimmed 48 MHz with ±2% accuracy over temperature and voltage. It serves as the default clock source for the CPU and peripherals unless replaced by the PLL-driven 48 MHz output or an external crystal.
Can all 54 GPIOs be used simultaneously as CAPSENSE™ inputs?
No. While up to 54 GPIOs are available, CAPSENSE™ hardware resources limit concurrent sensing to 32 electrodes (CSD method) or 16 mutual-capacitance sensors. The number depends on routing constraints, scan speed, and SNR targets-not total pin count.
Is ModusToolbox™ required to develop firmware for this device?
No. Firmware can be developed using PSoC™ Creator (legacy Windows IDE) or third-party Arm® toolchains (e.g., Keil MDK, GCC). ModusToolbox™ is optional but recommended for CAPSENSE™ tuning, middleware integration, and cross-platform project management.
CY8C4147LQSS445XQSA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-VFQFN Exposed Pad
- Series:
- PSOC™ 4 CY8C4100S Plus
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- 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, DMA, LCD, POR, PWM, TRNG, WDT
- Number of I/O:
- 54
- 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 16x10/16x12b 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:
CY8C4147LQSS445XQSA1 FAQ
1.How can I place an order for CY8C4147LQSS445XQSA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQSS445XQSA1 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 CY8C4147LQSS445XQSA1 reliable?
The price and inventory of CY8C4147LQSS445XQSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQSS445XQSA1 is usually 5 days.
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Once your CY8C4147LQSS445XQSA1 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 CY8C4147LQSS445XQSA1?
For technical support, including CY8C4147LQSS445XQSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQSS445XQSA1 requirements.
6.How does Aetrix verify that CY8C4147LQSS445XQSA1 is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQSS445XQSA1 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 CY8C4147LQSS445XQSA1 meets industry standards.
7.What is the process for return or replacement of CY8C4147LQSS445XQSA1?
All CY8C4147LQSS445XQSA1 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQSS445XQSA1, 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 CY8C4147LQSS445XQSA1 part is unused and in its original packaging.
Return procedure for CY8C4147LQSS445XQSA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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