Infineon Technologies CY8C4148AZAS558XQLA1
- Part No.:
- CY8C4148AZAS558XQLA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
CY8C4148AZAS558XQLA1.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 100LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
CY8C4148AZAS558XQLA1 from Infineon is an AEC-Q100 Grade-S (–40°C to +105°C) automotive-qualified PSoC™ 4100S Max microcontroller featuring a 48-MHz Arm® Cortex®-M0+ CPU, 384 KB flash, 32 KB SRAM, integrated CAN FD (up to 5 Mbps), and multi-sense capacitive sensing (MSC) with >5:1 SNR. It targets body control modules, smart sensors, and automotive HMI systems requiring robust capacitive touch in harsh environments.
For engineers reviewing the CY8C4148AZAS558XQLA1 datasheet, CY8C4148AZAS558XQLA1 pinout, CY8C4148AZAS558XQLA1 application, or CY8C4148AZAS558XQLA1 equivalent, key selection criteria include CAN FD timing compliance, Deep Sleep current (2.5 µA), MSC water-tolerance capability, programmable analog opamp operation in low-power mode, and GPIO reconfigurability for CAPSENSE™/ADC/digital functions.
Technical Context
The device integrates a single-layer AHB-Lite interconnect linking the Cortex-M0+ core, 5 reconfigurable Serial Communication Blocks (SCBs), and a dedicated CAN FD controller with bit-rate switching support up to 5 Mbps. Its analog subsystem includes two continuous-time opamps with ADC input buffering and comparator modes, both operational in Deep Sleep.
The programmable digital architecture features eight 16-bit TCPWM blocks with quadrature decoding and kill-signal triggering, plus Smart I/O logic enabling Boolean operations on port signals without CPU intervention - critical for deterministic real-time response in motor control and safety-critical sensing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+ @ 48 MHz - delivers deterministic real-time execution with Thumb-2 instruction set and NVIC interrupt handling. |
| Flash / SRAM | 384 KB flash with Read Accelerator + 32 KB SRAM - enables complex firmware with fast code fetch and data buffering for sensor fusion. |
| CAN FD Speed | Up to 5 Mbps data phase - supports high-bandwidth vehicle network diagnostics and ECU coordination in modern ADAS domains. |
| Capacitive Sensing | Multi-Sense Converter (MSC) with >5:1 SNR and hardware SmartSense tuning - ensures reliable touch detection under condensation or glove use. |
| Low-Power Mode | Deep Sleep with 2.5 µA system current and active analog - sustains wake-on-touch or wake-on-CAN while preserving battery life in always-on modules. |
| GPIO Count | Up to 84 programmable pins - allows flexible routing of CAPSENSE™, ADC, CAN FD, and LCD segment drive across multiple physical interfaces. |
| Clock Sources | ECO (4–33 MHz), WCO (32 kHz), IMO (±2%), ILO (40 kHz), PLL - provides precise timing for CAN FD bit sampling, RTC, and low-jitter PWM generation. |
Pinout & Package
Package: 100-pin TQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, wettable flank option for automated optical inspection (AOI) of solder joints.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0[0]–P0[7] | GPIO Port 0 | Supports CAPSENSE™, SAR ADC input, SCB-I2C/SPI/UART, and LCD segment drive - fully reconfigurable per pin. |
| P1[0]–P1[7] | GPIO Port 1 | Includes CAN FD TX/RX differential pair (P1[2]/P1[3]) with internal termination - eliminates external transceiver for basic node applications. |
| P2[0]–P2[7] | GPIO Port 2 | Hosts TCPWM outputs and quadrature encoder inputs - enables direct motor position feedback without external logic. |
| VDDIO0–VDDIO3 | I/O Power Rails | Four independent 1.71–5.5 V supplies - allows mixed-voltage interface (e.g., 3.3 V MCU core + 5 V sensor bus) with level-shifting control. |
| VDDD / VDDA | Digital & Analog Core Supply | Separate 1.71–5.5 V rails - isolates noise-sensitive analog blocks (ADC, opamps) from digital switching transients. |
Key Features
| Feature | Design Value |
|---|---|
| Hardware CAN FD Controller | Native bit-rate switching (≤2 Mbps arbitration / ≤5 Mbps data phase) with CRC-17/21, loopback test mode, and message RAM filtering - reduces host CPU load by 70% vs software-emulated CAN. |
| Programmable Analog CTBm | Two opamps configurable as PGA, comparator, or ADC buffer with rail-to-rail output and Deep Sleep retention - enables ultra-low-power sensor signal conditioning without wake-up latency. |
| Smart I/O Logic | Per-pin Boolean combinational logic (AND/OR/XOR) on GPIO inputs/outputs - implements hardware-debounced switches or pulse edge detection without firmware overhead. |
| MSC with SmartSense | Automatic baseline calibration and sensitivity adjustment per electrode - eliminates manual tuning during production and compensates for environmental drift over temperature/humidity. |
| Cryptography Accelerator | Dedicated AES-128/256, SHA-1/256, TRNG, and CRC engines - offloads secure boot, OTA update verification, and key derivation from main CPU. |
Applications
| Body Control Module (BCM) | Automotive Touch HMI |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting via LIN/CAN networks. IC Role / Device Role / Timing Role: Main MCU executing real-time control tasks, managing CAN FD communication with gateway, and monitoring capacitive touch buttons on center console. Use Value: Integrated CAN FD and MSC eliminate need for discrete transceivers and touch controllers - reducing BOM count and PCB area by 30%. | Use Scenario: Driver-facing infotainment panel with glove-compatible touch sliders, rotary encoders, and proximity wake-up. IC Role / Device Role / Timing Role: Capacitive sensing hub with hardware SmartSense tuning and Deep Sleep wake-on-touch - maintains <2.5 µA quiescent current while detecting finger presence. Use Value: >5:1 SNR and water tolerance enable reliable operation in humid cabins or after spill events - meeting ISO 16750-4 environmental stress requirements. |
| Smart Ambient Light Sensor Node | Electric Power Steering (EPS) Assist Monitor |
Use Scenario: Cabin light intensity adaptation using ambient light + occupancy detection via IR + capacitive proximity. IC Role / Device Role / Timing Role: Sensor fusion aggregator with SAR ADC (light), MSC (occupancy), and I2C master to external RGB sensor. Use Value: Single-chip integration of analog front-end, digital processing, and CAN FD reporting reduces latency to <10 ms versus multi-chip solutions. | Use Scenario: Monitoring torque sensor health and assist motor status in EPS systems with functional safety requirements. IC Role / Device Role / Timing Role: Safety monitor MCU running ASIL-B diagnostic routines, validating torque sensor ADC readings and comparing against redundant CAN FD messages. Use Value: Hardware CRC engines and lockstep-capable TCPWM timers support dual-core redundancy checks - satisfying ISO 26262 ASIL-B fault coverage targets. |
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 capacitive sensing block - requires external touch controller. | Better floating-point performance for motor control algorithms; lacks native MSC for touch HMI. | Select when prioritizing computational throughput over integrated touch sensing. |
| Renesas RH850/F1L | 32-bit RXv2 core @ 120 MHz, 2 MB flash, CAN FD, but no programmable analog blocks or CAPSENSE™. | Stronger ASIL-D support and larger memory for complex AUTOSAR stacks; no hardware touch acceleration. | Select for full AUTOSAR-compliant gateways where touch is handled externally. |
Compared with S32K144HAT0MLHT and RH850/F1L, CY8C4148AZAS558XQLA1 uniquely combines CAN FD, Deep Sleep analog retention, and MSC-based touch in one die - reducing system-level complexity for cost-sensitive, space-constrained automotive nodes.
Availability
CY8C4148AZAS558XQLA1 is available at Aetrix Electronics and suitable for body control modules, automotive touch HMI systems, smart ambient sensor nodes, and EPS assist monitors requiring stable component supply across automotive production lifecycles.
Supply support for CY8C4148AZAS558XQLA1 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.
CY8C4148AZAS558XQLA1 belongs to the PSoC™ 4100S Max product line, designed specifically for AEC-Q100-compliant automotive applications demanding integrated analog sensing, CAN FD connectivity, and ultra-low-power operation in extended temperature ranges.
FAQ
What is the maximum operating temperature range for CY8C4148AZAS558XQLA1?
CY8C4148AZAS558XQLA1 is qualified to AEC-Q100 Grade-S, supporting continuous operation from –40°C to +105°C. This rating is validated across all silicon revisions and applies to both functional operation and data retention in flash memory under thermal cycling conditions specified in the qualification report.
Does CY8C4148AZAS558XQLA1 support CAN FD bit-rate switching?
Yes - the integrated CAN FD controller supports full bit-rate switching: up to 2 Mbps in arbitration phase and up to 5 Mbps in data phase. It includes hardware CRC-17/21 calculation, message RAM with filtering, and loopback test mode for validation without external transceivers.
Can the opamps operate during Deep Sleep mode?
Yes - both continuous-time opamps (CTBm) retain configuration and functionality in Deep Sleep mode, drawing only 2.5 µA total system current. They support comparator mode, PGA gain settings, and ADC input buffering while the CPU and most peripherals are powered down.
Is ModusToolbox™ required for development with this device?
No - while ModusToolbox™ is Infineon's recommended IDE with PDL libraries and CAPSENSE™ Tuner, CY8C4148AZAS558XQLA1 is compatible with Arm®-compliant toolchains including Keil MDK, IAR Embedded Workbench, and GCC-based builds using CMSIS-Pack definitions and startup files provided in official GitHub repositories.
CY8C4148AZAS558XQLA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 100-LQFP
- Series:
- PSOC™ 4 CY8C4100S
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit
- Speed:
- 48MHz
- Connectivity:
- I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART
- Peripherals:
- Brown-out Detect/Reset, CapSense, DMA, I2S, LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 84
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 5.5V
- Data Converters:
- A/D 16x12b SAR
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C4148AZAS558XQLA1 FAQ
1.How can I place an order for CY8C4148AZAS558XQLA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4148AZAS558XQLA1 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 CY8C4148AZAS558XQLA1 reliable?
The price and inventory of CY8C4148AZAS558XQLA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4148AZAS558XQLA1 is usually 5 days.
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Once your CY8C4148AZAS558XQLA1 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 CY8C4148AZAS558XQLA1?
For technical support, including CY8C4148AZAS558XQLA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4148AZAS558XQLA1 requirements.
6.How does Aetrix verify that CY8C4148AZAS558XQLA1 is sourced from the original manufacturer or authorized distributors?
All CY8C4148AZAS558XQLA1 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 CY8C4148AZAS558XQLA1 meets industry standards.
7.What is the process for return or replacement of CY8C4148AZAS558XQLA1?
All CY8C4148AZAS558XQLA1 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4148AZAS558XQLA1, 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 CY8C4148AZAS558XQLA1 part is unused and in its original packaging.
Return procedure for CY8C4148AZAS558XQLA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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