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Infineon Technologies CY8C4148AZA-S545
- Part No.:
- CY8C4148AZA-S545
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
CY8C4148AZA-S545.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,113
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Product details
Overview
CY8C4148AZA-S545 from Infineon is an AEC-Q100 Grade-A (–40°C to +85°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), 12-bit 1-Msps SAR ADC, and multi-sense capacitive sensing (MSC) with >5:1 SNR for touch interfaces in vehicle control panels.
For engineers reviewing the CY8C4148AZA-S545 datasheet, CY8C4148AZA-S545 pinout, CY8C4148AZA-S545 application, or CY8C4148AZA-S545 equivalent, key selection considerations include CAN FD timing compliance, Deep Sleep current (2.5 µA), programmable analog routing, CAPSENSE™ water tolerance, and ModusToolbox™ API support for rapid firmware development.
Technical Context
The device integrates a hardened CAN FD controller with bit-rate switching up to 5 Mbps and built-in CRC acceleration, supporting ISO 11898-1:2015 compliance. Its analog subsystem includes two opamps with Deep Sleep operation, a 12-bit SAR ADC with temperature sensor and channel sequencer, and two low-power comparators - all accessible via any of up to 84 GPIOs.
Digital resources include eight 16-bit TCPWM blocks with quadrature decode and kill-signal triggering, five reconfigurable SCBs (I²C/SPI/UART/LIN), I²S TX Master, and hardware crypto accelerators for AES, SHA, TRNG, and CRC - all coordinated through a single-layer AHB-Lite interconnect and NVIC-based interrupt management.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz - enables deterministic real-time control with Thumb-2 instruction set and 32-bit data path. |
| Flash / SRAM | 384 KB flash with Read Accelerator; 32 KB SRAM - supports complex automotive firmware with fast code execution and data buffering. |
| CAN FD Speed | Up to 5 Mbps with bit-rate switching - meets high-bandwidth diagnostics and ECU-to-ECU communication requirements in modern vehicle networks. |
| SAR ADC | 12-bit, 1-Msps, differential/single-ended, with sequencer and signal averaging - delivers precise sensor acquisition for battery monitoring or motor feedback. |
| Deep Sleep Current | 2.5 µA digital system current - enables always-on wake-on-touch or wake-on-CAN while preserving battery life in parked-state applications. |
| GPIO Count | Up to 84 pins, all configurable as CAPSENSE™, analog, or digital - allows flexible board layout and mixed-signal integration without external muxing. |
| Operating Temp | Grade-A: –40°C to +85°C - qualified for cabin-mounted infotainment, HVAC, and body control modules per AEC-Q100 Rev G. |
Pinout & Package
Package: 100-pin TQFP (14 mm × 14 mm, 0.5 mm pitch), wettable flank option for automated optical inspection (AOI) and solder joint reliability in automotive reflow processes.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO7 | I/O power domains | Eight independent 1.71–5.5 V supply rails enabling mixed-voltage interface (e.g., 3.3 V MCU core + 5 V analog sensors). |
| P0.0–P9.7 | Programmable GPIO | 84 total pins with configurable drive strength, slew rate, and analog/digital/CAPSENSE™ mode per pin. |
| CAN_TX / CAN_RX | CAN FD physical layer interface | Dedicated differential pair with internal termination and bus fault protection; supports ISO 11898-2/3 compliant signaling. |
| XTAL_IN / XTAL_OUT | External crystal oscillator input/output | Supports 4–33 MHz ECO for precise clock generation; PLL locks to generate stable 48 MHz system clock. |
| SWD_CLK / SWD_IO | Serial Wire Debug interface | Two-pin debug port compatible with Arm CoreSight; enables non-intrusive real-time trace and flash programming. |
Key Features
| Feature | Design Value |
|---|---|
| Multi-Sense Capacitive (MSC) block | Hardware-accelerated CAPSENSE™ with SmartSense auto-tuning and >5:1 SNR - eliminates manual calibration for wet or gloved-finger touch in center consoles. |
| Programmable analog routing | Any GPIO can route to SAR ADC input, opamp output, or comparator reference - enables dynamic signal path reconfiguration without PCB changes. |
| Crypto hardware accelerator | Dedicated AES-128/256, SHA-1/256, TRNG, and CRC engines - offloads security-critical operations from CPU, reducing latency and attack surface. |
| Low-power Deep Sleep mode | 2.5 µA system current with opamps, comparators, and MSC active - sustains capacitive wake detection and CAN bus monitoring during vehicle sleep states. |
| Reconfigurable SCBs | Five Serial Communication Blocks each supporting run-time I²C/SPI/UART/LIN - simplifies protocol migration and reduces BOM count across variants. |
Applications
| Center Console Touch Interface | Body Control Module (BCM) |
|---|---|
Use Scenario: Capacitive touch buttons and sliders on automotive center console with water splash and glove operation. IC Role / Device Role / Timing Role: Primary MCU executing CAPSENSE™ firmware, managing CAN FD diagnostics, and driving LCD segments. Use Value: MSC block's >5:1 SNR and SmartSense auto-tuning eliminate manual calibration, reducing production test time by 30% versus fixed-threshold solutions. | Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting with LIN slave nodes. IC Role / Device Role / Timing Role: Main BCM controller interfacing with LIN slaves via SCB-configured LIN Slave mode and managing PWM-driven motor drivers. Use Value: Eight TCPWM blocks with quadrature decode and kill-signal triggering enable safe, synchronized motor control for anti-pinch window lifters. |
| Battery Management Sensor Hub | Instrument Cluster Display Controller |
Use Scenario: Monitoring cell voltage, temperature, and current in 12 V auxiliary battery systems using analog front-end and CAN FD telemetry. IC Role / Device Role / Timing Role: Analog-intensive sensor aggregator with 12-bit SAR ADC, opamp-based current sensing, and CAN FD reporting at 100 ms intervals. Use Value: Integrated opamps with Deep Sleep operation allow continuous current monitoring at <3 µA, extending parked-state battery runtime beyond 30 days. | Use Scenario: Driving segmented LCD displays for speedometer, fuel gauge, and warning indicators in analog instrument clusters. IC Role / Device Role / Timing Role: LCD segment driver with GPIO-based direct drive and real-time CAN FD update of displayed values. Use Value: Built-in LCD segment drive capability eliminates external display driver IC, reducing component count and PCB area by 15%. |
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; includes Ethernet MAC and FlexCAN with FD; no integrated CAPSENSE™ or MSC block | Targeted at gateway and ADAS domain controllers requiring higher compute and networking; lacks native capacitive sensing | Select when Ethernet or dual CAN FD channels are required; avoid if CAPSENSE™-based HMI is primary function |
| Renesas RH850/F1L | 32-bit RXv2 core @ 120 MHz; AEC-Q100 Grade-1 (–40°C to +125°C); no hardware crypto or programmable analog | Optimized for powertrain and safety-critical engine control; requires external ADC and touch controller | Select for ASIL-B functional safety applications; not suitable for cost-sensitive touch HMI designs |
Compared with S32K144HAT0MLHT and RH850/F1L, CY8C4148AZA-S545 uniquely combines CAN FD, CAPSENSE™, and programmable analog in a single AEC-Q100 Grade-A package - making it optimal for HMI-dominant automotive ECUs where integration, low-power touch, and rapid firmware iteration matter most.
Availability
CY8C4148AZA-S545 is available at Aetrix Electronics and suitable for automotive center console interfaces, body control modules, battery sensor hubs, and instrument cluster display controllers requiring stable component supply and AEC-Q100-compliant lifecycle support.
Supply support for CY8C4148AZA-S545 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 is a German semiconductor manufacturer specializing in power management, automotive MCUs, radar sensors, and security ICs, with global R&D centers and automotive-grade wafer fabs.
CY8C4148AZA-S545 belongs to the PSoC™ 4100S Max product line - designed specifically for automotive human-machine interface (HMI) and body electronics applications demanding integrated analog, capacitive sensing, CAN FD, and ultra-low-power operation.
FAQ
What is the maximum operating frequency of the Arm® Cortex®-M0+ core in CY8C4148AZA-S545?
The Arm® Cortex®-M0+ core operates at a maximum frequency of 48 MHz, achieved via internal PLL locked to an external crystal oscillator (4–33 MHz) or the ±2% internal main oscillator (IMO). This frequency is fully supported across all AEC-Q100 Grade-A temperature ranges and provides deterministic real-time performance for automotive control loops.
Does CY8C4148AZA-S545 support hardware-based cryptographic functions?
Yes - it integrates a dedicated cryptography accelerator supporting AES-128/256 encryption/decryption, SHA-1/256 hashing, true random number generation (TRNG), and CRC-32 computation. These functions execute independently of the CPU, reducing latency and improving security isolation for secure boot and firmware authentication.
Can the SAR ADC perform simultaneous sampling across multiple channels?
No - the 12-bit SAR ADC uses a single conversion core with a channel sequencer that supports automatic scanning and signal averaging, but does not provide true simultaneous sampling. For multi-channel phase-aligned acquisition, external synchronization via TCPWM-triggered start is required, with typical inter-channel skew under 20 ns.
Is the CAPSENSE™ block certified for automotive water tolerance testing?
Yes - the Multi-Sense Converter (MSC) block meets IEC 61000-4-6 conducted immunity and ISO 10605 ESD requirements for automotive touch surfaces. Its >5:1 signal-to-noise ratio and SmartSense auto-tuning enable reliable operation under 2 mm water film and with thick winter gloves, validated per OEM-specific water tolerance test plans.
CY8C4148AZA-S545 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-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, DMA, LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 54
- 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:
CY8C4148AZA-S545 FAQ
1.How can I place an order for CY8C4148AZA-S545 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4148AZA-S545 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 CY8C4148AZA-S545 reliable?
The price and inventory of CY8C4148AZA-S545 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4148AZA-S545 is usually 5 days.
3.What payment methods are accepted for CY8C4148AZA-S545?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4148AZA-S545 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4148AZA-S545?
CY8C4148AZA-S545 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4148AZA-S545 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 CY8C4148AZA-S545?
For technical support, including CY8C4148AZA-S545 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4148AZA-S545 requirements.
6.How does Aetrix verify that CY8C4148AZA-S545 is sourced from the original manufacturer or authorized distributors?
All CY8C4148AZA-S545 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 CY8C4148AZA-S545 meets industry standards.
7.What is the process for return or replacement of CY8C4148AZA-S545?
All CY8C4148AZA-S545 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4148AZA-S545, 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 CY8C4148AZA-S545 part is unused and in its original packaging.
Return procedure for CY8C4148AZA-S545:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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