Infineon Technologies CY8C4148AZSS588XQLA1
- Part No.:
- CY8C4148AZSS588XQLA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
CY8C4148AZSS588XQLA1.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 100LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,152
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
CY8C4148AZSS588XQLA1 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 for touch interfaces in harsh environments.
For engineers reviewing the CY8C4148AZSS588XQLA1 datasheet, CY8C4148AZSS588XQLA1 pinout, CY8C4148AZSS588XQLA1 application, or CY8C4148AZSS588XQLA1 equivalent, key selection criteria include CAN FD timing compliance, Deep Sleep current (2.5 µA), CAPSENSE™ water tolerance, and reconfigurable SCB blocks supporting I²C/SPI/UART/LIN in automotive body control modules.
Technical Context
The device implements a single-layer AHB-Lite interconnect linking the Cortex-M0+ core, 5x Serial Communication Blocks (SCBs), and CAN FD controller with dedicated DMA channels. Its analog subsystem integrates two opamps with Deep Sleep operation, a 12-bit 1-Msps SAR ADC with temperature sensor, and dual low-power comparators - all accessible via up to 84 GPIOs with programmable drive strength and slew rate.
Digital flexibility is enabled by 8x TCPWM blocks supporting center-aligned PWM and quadrature decoding, Smart I/O for Boolean logic on port signals, and hardware-accelerated cryptography (AES, SHA, TRNG, CRC). Clocking includes ECO (4–33 MHz) with PLL, WCO (32 kHz), IMO (±2%), and ILO (40 kHz).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz - enables real-time deterministic control in automotive body electronics without external co-processors. |
| Flash / SRAM | 384 KB flash with Read Accelerator / 32 KB SRAM - supports complex firmware with CAPSENSE™ tuning, CAN FD protocol stack, and secure boot. |
| CAN FD Speed | Up to 5 Mbps - meets high-bandwidth requirements for modern vehicle domain controllers and ADAS sensor fusion gateways. |
| Capacitive Sensing | Multi-Sense Converter (MSC) with >5:1 SNR and water tolerance - enables reliable touch buttons/knobs in wet or condensing cabin environments. |
| Low-Power Mode | Deep Sleep at 2.5 µA digital current with operational analog - sustains always-on capacitive wake-up and CAN FD bus monitoring without battery drain. |
| GPIO Count | Up to 84 pins - allows full integration of LIN slave, UART debug, I²C sensors, PWM lighting, and LCD segment drive in one chip. |
| Clock Sources | ECO (4–33 MHz), WCO (32 kHz), IMO (±2%), ILO (40 kHz) - provides redundancy and precision for time-critical CAN FD bit timing and RTC functions. |
Pinout & Package
Package: 100-pin TQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, automotive-grade moisture sensitivity level (MSL) 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0[0]–P0[7] | GPIO Port 0 | Support CAPSENSE™, analog input, or SCB-I²C SDA/SCL; configurable slew rate and drive strength for noise immunity in 12 V automotive harnesses. |
| P1[0]–P1[7] | GPIO Port 1 | Assignable to CAN FD TX/RX, TCPWM outputs, or MSC sense lines; internal pull-up/down programmable per pin. |
| P2[0]–P2[7] | GPIO Port 2 | Support LCD segment drive (up to 32 segments), UART RX/TX, or LIN Slave functionality with automatic baud rate detection. |
| VDDIO0–VDDIO3 | I/O Power Rails | Independent 1.71–5.5 V supply domains per port group - enables mixed-voltage interfacing (e.g., 3.3 V MCU core with 5 V sensor inputs). |
| VDDD / VDDA | Digital / Analog Core Supply | Separate 1.71–5.5 V supplies decoupled for noise isolation between digital switching and precision SAR ADC operation. |
| XRES | External Reset Input | Active-low asynchronous reset with Schmitt trigger; compatible with automotive watchdog ICs requiring 100 ns pulse width. |
Key Features
| Feature | Design Value |
|---|---|
| Reconfigurable SCBs | Five independent Serial Communication Blocks dynamically switch between I²C master/slave, SPI master/slave, UART, or LIN Slave - eliminates need for discrete protocol translators in gateway designs. |
| SmartSense Auto-Tuning | Hardware-accelerated CAPSENSE™ calibration adjusts baseline and threshold in real time - reduces firmware overhead and enables robust touch operation across temperature and humidity variations. |
| CAN FD Hardware Filtering | Dedicated message RAM with ID masking and FIFO-based acceptance filtering - offloads CPU during high-message-rate diagnostics (UDS) or OTA update traffic. |
| Programmable Analog Routing | CTBm opamps and SAR ADC share configurable analog buses - allows direct signal routing (e.g., opamp output → ADC input) without GPIO pin bounce or PCB trace coupling. |
| Secure Boot with Crypto Engine | AES-128/256, SHA-256, TRNG, and CRC accelerators enable authenticated firmware updates - satisfies UNECE R155 CSMS requirements for production ECUs. |
Applications
| Body Control Module (BCM) | Touch-Based HVAC Interface |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting using LIN and CAN FD networks. IC Role / Device Role / Timing Role: Main MCU executing ASAM MCD-2 MC-compliant diagnostics, managing LIN slaves, and synchronizing PWM dimming across 12+ LED zones. Use Value: Integrated TCPWM (8 blocks) and 5x SCBs eliminate external LIN transceivers and PWM drivers, reducing BOM count by ≥4 components per module. | Use Scenario: Capacitive touch panel for climate control in passenger cabins exposed to condensation and hand moisture. IC Role / Device Role / Timing Role: CAPSENSE™ MSC block with SmartSense performs real-time SNR optimization and water rejection while maintaining <100 ms response latency. Use Value: >5:1 SNR and hardware-based water tolerance eliminate need for mechanical buttons or sealed overlays - enabling sleek, serviceable HMI design. |
| Automotive Gateway ECU | Instrument Cluster Display Driver |
Use Scenario: Protocol translation between CAN FD (powertrain), CAN 2.0 (chassis), and LIN (sensors) in Zonal Architecture gateways. IC Role / Device Role / Timing Role: Dual CAN FD controller handles concurrent high-speed (5 Mbps) and legacy (125 kbps) frames; DMA-assisted message buffering prevents overrun during peak load. Use Value: On-chip CAN FD + LIN Slave + crypto engine enables secure OTA update handling and diagnostic routing without external protocol bridges. | Use Scenario: Driving segmented LCD displays for speedometer, fuel gauge, and warning indicators in analog-style clusters. IC Role / Device Role / Timing Role: GPIOs configured as LCD segment drivers (up to 32 segments) with programmable contrast voltage and frame rate control. Use Value: Eliminates external LCD driver IC and associated bias resistors - reducing layer count and improving thermal stability in dashboard assemblies. |
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™; supports CAN FD but lacks MSC block. | Better floating-point performance for motor control algorithms; requires external touch controller for capacitive HMI. | Select when real-time motor control dominates over touch interface integration. |
| Renesas RL78/F14 | RL78 core @ 32 MHz; 256 KB flash; CAN FD support only via external transceiver; no hardware crypto acceleration. | Lower cost for basic body control; lacks Deep Sleep analog retention and MSC SNR performance. | Select for cost-sensitive entry-level BCMs where touch is not required and security is handled externally. |
Compared with S32K144HAT0MLHT and RL78/F14, CY8C4148AZSS588XQLA1 uniquely combines CAN FD, CAPSENSE™ MSC, and hardware crypto in a single AEC-Q100 Grade-S package - making it optimal for integrated HMI + gateway applications where BOM consolidation and environmental robustness are critical.
Availability
CY8C4148AZSS588XQLA1 is available at Aetrix Electronics and suitable for automotive body control modules, touch-based HVAC interfaces, gateway ECUs, and instrument cluster display drivers requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CY8C4148AZSS588XQLA1 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 centers and ISO/TS 16949-certified wafer fabs.
CY8C4148AZSS588XQLA1 belongs to the PSoC™ 4100S Max product line, designed specifically for AEC-Q100-compliant automotive applications demanding integrated analog sensing, secure communication, and reconfigurable digital peripherals in a single die.
FAQ
Does CY8C4148AZSS588XQLA1 support CAN FD physical layer directly?
No - it integrates a CAN FD controller but requires an external CAN FD transceiver (e.g., Infineon TLE9251VS) for physical layer signaling. The controller handles protocol framing, bit timing, error handling, and message filtering, while the transceiver manages differential voltage levels and bus arbitration.
What is the maximum operating frequency of the internal main oscillator (IMO)?
The internal main oscillator (IMO) operates at a nominal 48 MHz with ±2% accuracy across temperature and voltage. It serves as the default clock source for the Cortex-M0+ core and can be used without external crystals, though ECO+PLL is recommended for CAN FD bit timing compliance.
Can all 84 GPIOs be used simultaneously for CAPSENSE™ sensing?
No - while any GPIO can be assigned to CAPSENSE™, the Multi-Sense Converter (MSC) block supports up to 32 simultaneous sensing channels. Concurrent use of all 84 pins for sensing would require time-multiplexing across multiple scan cycles, increasing total measurement latency.
Is the 32 KB SRAM ECC-protected?
No - the 32 KB SRAM does not include hardware ECC protection. However, the device supports software-implemented ECC or parity checking via PDL APIs, and critical data structures can be allocated to the 8 KB ROM or flash with checksum validation for safety-critical applications.
CY8C4148AZSS588XQLA1 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, Crypto - AES, I2S, DMA, LCD, LVD, POR, PWM, SHA, Temp Sensor, TRNG, 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:
CY8C4148AZSS588XQLA1 FAQ
1.How can I place an order for CY8C4148AZSS588XQLA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4148AZSS588XQLA1 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 CY8C4148AZSS588XQLA1 reliable?
The price and inventory of CY8C4148AZSS588XQLA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4148AZSS588XQLA1 is usually 5 days.
3.What payment methods are accepted for CY8C4148AZSS588XQLA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4148AZSS588XQLA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4148AZSS588XQLA1?
CY8C4148AZSS588XQLA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4148AZSS588XQLA1 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 CY8C4148AZSS588XQLA1?
For technical support, including CY8C4148AZSS588XQLA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4148AZSS588XQLA1 requirements.
6.How does Aetrix verify that CY8C4148AZSS588XQLA1 is sourced from the original manufacturer or authorized distributors?
All CY8C4148AZSS588XQLA1 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 CY8C4148AZSS588XQLA1 meets industry standards.
7.What is the process for return or replacement of CY8C4148AZSS588XQLA1?
All CY8C4148AZSS588XQLA1 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4148AZSS588XQLA1, 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 CY8C4148AZSS588XQLA1 part is unused and in its original packaging.
Return procedure for CY8C4148AZSS588XQLA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
CY8C4148AZSS588XQLA1 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
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
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.

