Infineon Technologies CY8C4148AZSS578XQLA1
- Part No.:
- CY8C4148AZSS578XQLA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
CY8C4148AZSS578XQLA1.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 100LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
CY8C4148AZSS578XQLA1 from Infineon is an AEC-Q100 Grade-S (–40°C to +105°C) automotive-grade PSoC™ 4100S Max microcontroller based on Arm® Cortex®-M0+ CPU, featuring 48 MHz operation, 384 KB flash, 32 KB SRAM, CAN FD up to 5 Mbps, and integrated CAPSENSE™ with SmartSense auto-tuning. It serves as a reconfigurable system-on-chip for body control modules requiring mixed-signal programmability, low-power capacitive sensing, and functional safety-aware peripherals.
For engineers reviewing the CY8C4148AZSS578XQLA1 datasheet, CY8C4148AZSS578XQLA1 pinout, CY8C4148AZSS578XQLA1 application, or CY8C4148AZSS578XQLA1 equivalent, this device supports concurrent analog sensing, motor PWM control, secure boot via hardware crypto accelerators (AES/SHA/TRNG), and LIN/CAN FD communication in constrained automotive ECUs.
Technical Context
The CY8C4148AZSS578XQLA1 implements a dual-clock domain architecture: a 48-MHz main domain driven by PLL+ECO or IMO, and a low-power domain anchored to ILO/WCO for Deep Sleep operation at 2.5 µA digital current. Its analog subsystem integrates two opamps with ADC input buffering and comparator modes, plus a 12-bit 1-Msps SAR ADC with built-in temperature sensor and channel sequencer.
Digital flexibility is enabled by eight 16-bit TCPWM blocks supporting quadrature decoding and kill-signal triggering, five reconfigurable SCBs (I²C/SPI/UART/LIN), and a dedicated CAN FD controller compliant with ISO 11898-1:2015. The MSC block delivers >5:1 SNR for wet-finger tolerant capacitive touch interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz max - enables real-time deterministic control with Thumb-2 instruction set and NVIC interrupt handling |
| Memory | 384 KB flash with Read Accelerator + 32 KB SRAM - supports firmware over-the-air updates and multi-tasking RTOS environments |
| Analog | 12-bit 1-Msps SAR ADC with sequencer & averaging - allows simultaneous sampling of multiple sensors (e.g., temp, voltage, current) with noise suppression |
| Connectivity | CAN FD up to 5 Mbps + 5× SCBs (I²C/SPI/UART/LIN) - meets ASAM MCD-2 MC and AUTOSAR COM stack requirements for ECU gateway functions |
| Capacitive Sensing | Multi-Sense Converter (MSC) with SmartSense auto-tuning - eliminates manual calibration for touch sliders, buttons, and proximity detection in humid cabin environments |
| Power | 1.71 V to 5.5 V supply, Deep Sleep at 2.5 µA - sustains wake-on-touch or timer-triggered wake-up in always-on vehicle modules |
| Crypto | Hardware AES-128/256, SHA-256, TRNG, CRC - accelerates secure boot, firmware authentication, and key derivation without software overhead |
Pinout & Package
This device is packaged in a 100-pin TQFP (14 mm × 14 mm, 0.5 mm pitch) with wettable flank leads for automated optical inspection (AOI) and solder joint reliability in automotive reflow processes.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0[0]–P0[7] | GPIO Port 0 | Programmable as CAPSENSE™ sense lines, analog inputs, or high-drive outputs (25 mA sink/source) |
| P1[0]–P1[7] | GPIO Port 1 | Supports LCD segment drive, I²C SDA/SCL, or CAN FD TX/RX with internal pull-ups |
| P2[0]–P2[7] | GPIO Port 2 | Configurable as TCPWM outputs, SCB UART RX/TX, or analog comparator inputs |
| VDDIO0–VDDIO3 | I/O Power Rails | Independent 1.71–5.5 V domains per port group - enables mixed-voltage interface (e.g., 3.3 V MCU ↔ 5 V sensor) |
| VDDD/VDDA | Digital/Analog Core Supply | Decoupled 1.71–5.5 V inputs - ensures stable core operation during transient load switching in powertrain-adjacent modules |
| XRES | External Reset Input | Active-low asynchronous reset with glitch filter - meets ISO 16750-2 pulse test requirements for automotive reset robustness |
Key Features
| Feature | Design Value |
|---|---|
| Reconfigurable Analog Blocks | Two CTBm opamps support ADC input buffering, comparator mode, and Deep Sleep operation - reduces external signal conditioning components in battery monitoring circuits |
| Smart I/O Logic | Boolean logic on GPIO pins enables hardware-level debounce, edge detection, and state machine offload - lowers CPU utilization for door latch status polling |
| CAN FD + LIN Coexistence | Single die integrates CAN FD (5 Mbps) and LIN Slave (20 kbps) - simplifies gateway ECU design without external protocol translators |
| Hardware Crypto Acceleration | AES/SHA/TRNG engines operate independently of CPU - enables secure OTA update verification within <10 ms latency, meeting UNECE R156 CSMS timing constraints |
| Automotive Qualification | AEC-Q100 Grade-S (–40°C to +105°C) + PPAP-ready documentation - qualifies for front-end electronics including HVAC control and lighting modules |
Applications
| Body Control Module (BCM) | Climate Control Panel |
|---|---|
Use Scenario: Centralized management of door locks, window lifts, mirror adjustment, and interior lighting using discrete actuators and sensors. IC Role / Device Role / Timing Role: Main MCU executing CAN FD command arbitration, PWM-driven motor control, and CAPSENSE™-based soft-touch interface. Use Value: Integrates 8x TCPWM channels for independent window lift timing and MSC-based touch slider for fan speed control - eliminates 3 external ICs. | Use Scenario: Human-machine interface for HVAC system with rotary encoder emulation, temperature display, and ambient light adaptation. IC Role / Device Role / Timing Role: Mixed-signal controller managing I²C-connected thermistors, SPI-driven LCD segments, and capacitive touch keys with water tolerance. Use Value: Uses SmartSense auto-tuning to maintain touch accuracy under condensation - avoids false triggers during defrost cycles. |
| Seat Position Memory System | LED Headlight Driver Interface |
Use Scenario: Storing and recalling driver seat position via non-volatile flash, with motor position feedback and collision detection. IC Role / Device Role / Timing Role: Real-time controller running closed-loop PID on ADC-sampled potentiometer signals and driving H-bridge gate drivers via TCPWM. Use Value: Leverages 16-channel DMA to stream ADC samples to SRAM while CPU computes position deltas - achieves sub-100 ms recall latency. | Use Scenario: Interface between vehicle CAN network and multi-channel LED driver ICs for adaptive front-lighting systems (AFS). IC Role / Device Role / Timing Role: CAN FD message parser and PWM generator synchronizing LED dimming with steering angle and speed inputs. Use Value: Hardware CRC engine validates incoming CAN messages before PWM update - prevents erroneous beam pattern changes during high-speed maneuvers. |
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 @ 112 MHz, 512 KB flash, no integrated CAPSENSE™, requires external touch controller | Better floating-point performance for motor control algorithms; lacks native wet-finger tolerant touch | Select when advanced math-intensive control (e.g., PMSM FOC) dominates over HMI complexity |
| Renesas RL78/F14 | 16-bit RL78 core @ 32 MHz, 256 KB flash, LIN-only (no CAN FD), no hardware crypto acceleration | Lower cost for basic LIN-based body nodes; insufficient for CAN FD gateway or secure boot | Select for cost-sensitive entry-level door modules where CAN FD and security are not required |
Compared with S32K144W and RL78/F14, CY8C4148AZSS578XQLA1 uniquely combines CAN FD, hardware crypto, and production-ready CAPSENSE™ in a single AEC-Q100 Grade-S package - reducing BOM count and qualification effort for mid-tier automotive HMIs.
Availability
CY8C4148AZSS578XQLA1 is available at Aetrix Electronics and suitable for body control modules, climate control panels, seat memory systems, and LED headlight interfaces requiring stable component supply across automotive production lifecycles.
Supply support for CY8C4148AZSS578XQLA1 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 microcontrollers, and security solutions, with global manufacturing and automotive qualification infrastructure.
CY8C4148AZSS578XQLA1 belongs to the PSoC™ 4100S Max product line, engineered specifically for AEC-Q100-compliant automotive human-machine interfaces and body electronics requiring reconfigurable analog/digital resources and functional safety support.
FAQ
What is the maximum operating temperature range for CY8C4148AZSS578XQLA1?
CY8C4148AZSS578XQLA1 is qualified to AEC-Q100 Grade-S, supporting continuous operation from –40°C to +105°C ambient temperature. This rating is validated per stress test conditions defined in the qualification report, and applies to all functional blocks including CAN FD, MSC, and crypto accelerators under full voltage and clock specifications.
Does CY8C4148AZSS578XQLA1 support secure boot with hardware root-of-trust?
Yes. The device includes a hardware TRNG, AES-128/256, and SHA-256 accelerators that enable secure boot implementation. The ROM bootloader verifies signed firmware images using public-key cryptography, and the hardware crypto engines prevent side-channel leakage during signature validation - satisfying ISO/SAE 21434 threat analysis requirements.
Can the CAPSENSE™ block operate reliably with water droplets on the overlay?
Yes. The Multi-Sense Converter (MSC) block achieves >5:1 signal-to-noise ratio and supports automatic SmartSense tuning, enabling reliable detection through 2 mm glass with water coverage. Test data in the datasheet confirms stable button/slider operation under simulated condensation and splash conditions per ISO 16750-4.
How many CAN FD channels does CY8C4148AZSS578XQLA1 integrate?
CY8C4148AZSS578XQLA1 integrates one dedicated CAN FD controller compliant with ISO 11898-1:2015, supporting bit rates up to 5 Mbps in FD mode and full CAN 2.0B compatibility. It shares physical pins with GPIO and supports loopback self-test, but does not support dual CAN FD channels or time-triggered CAN (TT-CAN).
CY8C4148AZSS578XQLA1 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:
- CANbus, 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 ~ 105°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C4148AZSS578XQLA1 FAQ
1.How can I place an order for CY8C4148AZSS578XQLA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4148AZSS578XQLA1 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 CY8C4148AZSS578XQLA1 reliable?
The price and inventory of CY8C4148AZSS578XQLA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4148AZSS578XQLA1 is usually 5 days.
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CY8C4148AZSS578XQLA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4148AZSS578XQLA1 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 CY8C4148AZSS578XQLA1?
For technical support, including CY8C4148AZSS578XQLA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4148AZSS578XQLA1 requirements.
6.How does Aetrix verify that CY8C4148AZSS578XQLA1 is sourced from the original manufacturer or authorized distributors?
All CY8C4148AZSS578XQLA1 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 CY8C4148AZSS578XQLA1 meets industry standards.
7.What is the process for return or replacement of CY8C4148AZSS578XQLA1?
All CY8C4148AZSS578XQLA1 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4148AZSS578XQLA1, 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 CY8C4148AZSS578XQLA1 part is unused and in its original packaging.
Return procedure for CY8C4148AZSS578XQLA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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