Infineon Technologies CY8C4149AZI-S595
- Part No.:
- CY8C4149AZI-S595
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
CY8C4149AZI-S595.pdf
- Description:
- IC MCU 32BIT 384KB FLASH 64TQFP
- Quantity:
- Payment:

- Shipping:

Inventory:265
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Product details
Overview
CY8C4149AZI-S595 from Infineon is a 32-bit PSoC™ 4100S Max microcontroller based on the Arm® Cortex®-M0+ CPU, operating at up to 48 MHz. It integrates 384 KB flash, 32 KB SRAM, dual opamps, 12-bit 1-Msps SAR ADC with temperature sensor, and two multi-sensing capacitive (MSC) converters. It supports CAN FD, I2S master, LCD segment drive, and cryptographic functions (AES/SHA/TRNG), targeting embedded human-interface and industrial control systems.
For engineers reviewing the CY8C4149AZI-S595 datasheet, CY8C4149AZI-S595 pinout, CY8C4149AZI-S595 application, or CY8C4149AZI-S595 equivalent, key selection criteria include Deep Sleep current (3.7 µA), MSC SNR (>5:1), CAN FD compliance, reconfigurable SCBs for UART/I2C/SPI, and SmartSense auto-tuning for capacitive touch in wet environments.
Technical Context
The device implements a tightly coupled subsystem where the Arm® Cortex®-M0+ core executes firmware while programmable analog blocks (CTBm opamps, SAR ADC, LPC comparators) and digital resources (TCPWM, Smart I/O, MSC) operate autonomously. Clocking includes PLL-derived 48-MHz system clock, 32-kHz WCO, and 40-kHz ILO-enabling precise timing across sleep/wake transitions.
Capacitive sensing is handled by two independent MSC blocks supporting hardware-accelerated channel scanning, liquid-tolerant operation, and automatic SmartSense tuning without CPU intervention. Serial communication uses five reconfigurable SCBs, each supporting runtime-switchable I2C/SPI/UART protocols with high-speed I2C mode up to 1 MHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz max - enables real-time deterministic execution with single-cycle multiply for motor control and signal processing. |
| Flash / SRAM | 384 KB flash with Read Accelerator / 32 KB SRAM - supports complex firmware including CAPSENSE™ middleware and cryptographic stacks. |
| SAR ADC | 12-bit, 1-Msps, differential/single-ended, integrated temperature sensor - delivers high-resolution analog acquisition with on-chip thermal monitoring. |
| Opamps | Two CTBm opamps with Deep Sleep operation and ADC input buffering - enable always-on sensor signal conditioning with sub-µA quiescent current. |
| MSC Blocks | Two multi-sensing converters with >5:1 SNR and liquid tolerance - provide robust capacitive touch performance in consumer and industrial enclosures. |
| CAN Interface | CAN FD compliant (up to 5 Mbps data phase) - supports modern automotive diagnostics and high-throughput industrial fieldbus communication. |
| GPIO Count | Up to 84 programmable pins in 100-pin TQFP package - allows flexible routing of analog, digital, and sensing signals with shared functionality per pin. |
Pinout & Package
Package: 100-pin TQFP (0.5-mm pitch), RoHS-compliant, lead-free, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0[0]–P0[7] | Programmable GPIO / CAPSENSE™ CSD / Analog Input | Supports mutual/capacitive self-sensing, opamp input/output, or ADC channel multiplexing with internal analog bus routing. |
| SCB[0]_SCL / SDA | I2C Interface Pins | Configurable as open-drain I2C master/slave with slew-rate control and glitch filtering for noise-immune bus operation. |
| TCPWM[0]_TR_IN | Kill Signal Input | Hardware-triggered emergency shutdown input for PWM outputs - enables fast (<100 ns) fault response in motor drives. |
| WCO_XTAL / WCO_XTAL32 | 32-kHz Watch Crystal Oscillator Terminals | Drive external 32.768-kHz crystal for RTC and low-power wake-up timing with ±20 ppm stability over temperature. |
| VDDA / VSSA | Analog Power / Ground | Separate analog supply domain (1.71–5.5 V) decoupled from digital rails to minimize noise coupling into ADC/opamp paths. |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense Auto-Tuning | Hardware-accelerated capacitive sensor calibration without host CPU involvement - reduces firmware overhead and improves production line yield. |
| Deep Sleep Mode | 3.7-µA system current with active opamps, comparators, and MSC scanning - enables battery-powered touch interfaces with multi-year operation. |
| Reconfigurable SCBs | Five serial blocks independently assignable to I2C/SPI/UART at runtime - eliminates fixed peripheral allocation and simplifies BOM consolidation. |
| Cryptographic Accelerator | Dedicated AES-128/256, SHA-1/256, TRNG, PRNG, CRC engines - offloads security-critical operations from CPU to meet secure boot and OTA update requirements. |
| Quadrature Decoder | Integrated TCPWM-based QEI logic with index pulse detection - enables direct rotary encoder interfacing without external logic or interrupt polling. |
Applications
| Industrial HMI Panels | Smart Home Appliances |
|---|---|
Use Scenario: Touch-enabled control panels in PLC cabinets with condensation-prone enclosures. IC Role / Device Role / Timing Role: Primary MCU managing CAPSENSE™ buttons, LCD display, CAN FD fieldbus communication, and real-time motor control via TCPWM. Use Value: Liquid-tolerant MSC SNR >5:1 ensures reliable touch detection under humidity; Deep Sleep extends battery backup life during standby. | Use Scenario: Washing machine control board requiring water-resistant touch interface and motor phase control. IC Role / Device Role / Timing Role: System-on-chip handling capacitive knobs, brushless motor commutation, temperature monitoring, and Wi-Fi co-processor interface via UART. Use Value: Integrated opamps condition NTC signals; SmartSense auto-calibration compensates for detergent residue buildup on overlay. |
| Medical Patient Monitors | Automotive Body Controllers |
Use Scenario: Portable vital sign monitors needing low-power capacitive sliders and ECG front-end signal conditioning. IC Role / Device Role / Timing Role: Dual-role device: analog signal conditioner (opamp + SAR ADC) and UI controller (MSC + LCD drive). Use Value: On-die temperature sensor enables real-time ADC offset correction; 12-bit resolution supports clinical-grade biopotential measurement. | Use Scenario: Door module controlling window lift, mirror fold, and interior lighting with CAN FD diagnostics. IC Role / Device Role / Timing Role: CAN FD node processor executing body control logic, PWM-driven LED dimming, and capacitive switch detection. Use Value: Hardware kill signal inputs ensure immediate motor stop on obstruction detection; reconfigurable SCBs simplify variant management across vehicle trims. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable mixed-signal MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4149LQI-S595 | Same die, 64-pin QFN package (no TQFP), reduced GPIO count (52), no LCD drive capability | Suitable for space-constrained PCBs where LCD output is unnecessary and CAN FD is retained | Select when footprint reduction and thermal performance outweigh LCD and full GPIO requirements |
| STM32G474RET6 | Arm Cortex-M4F @ 170 MHz, 512 KB flash, no integrated capacitive sensing, requires external touch controller | Better floating-point throughput for motor FOC, but adds BOM cost and layout complexity for touch | Choose when computational load exceeds M0+ capacity and touch is implemented externally |
Compared with CY8C4149LQI-S595, the S595 variant offers full GPIO access and LCD drive in TQFP; versus STM32G474RET6, it trades raw CPU performance for integrated analog/sensing capability and lower system-level component count.
Availability
CY8C4149AZI-S595 is available at Aetrix Electronics and suitable for industrial HMI panels, smart home appliance controllers, medical patient monitors, and automotive body control modules requiring stable component supply, long-term lifecycle support, and qualified automotive-grade variants.
Supply support for CY8C4149AZI-S595 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 embedded security solutions, with global R&D and manufacturing infrastructure.
CY8C41xx belongs to the PSoC™ 4 platform, designed specifically for cost-sensitive, low-power embedded systems requiring integrated analog, programmable digital logic, and human-interface capabilities without external components.
FAQ
What is the maximum operating frequency of the Arm® Cortex®-M0+ core in CY8C4149AZI-S595?
The CY8C4149AZI-S595 operates its Arm® Cortex®-M0+ CPU at up to 48 MHz, achieved via an internal PLL locked to an external crystal oscillator (ECO) or the internal main oscillator (IMO). This frequency is fully supported across the entire 1.71–5.5-V supply range and all temperature grades specified in the datasheet.
Does CY8C4149AZI-S595 support CAN FD in both data and arbitration phases?
Yes - CY8C4149AZI-S595 implements full CAN FD protocol compliance, supporting bit rates up to 5 Mbps in the data phase while maintaining classical CAN arbitration at up to 1 Mbps. The CAN FD peripheral includes dedicated message RAM, Tx/Rx FIFOs, and error counters aligned with ISO 11898-1:2015.
Can the MSC blocks perform autonomous capacitive scanning during Deep Sleep mode?
Yes - both MSC blocks operate independently in Deep Sleep mode without CPU intervention. They support hardware-accelerated channel sequencing, averaging, and SmartSense auto-tuning, drawing only 3.7 µA total system current while continuously scanning up to 32 electrodes.
Is the 12-bit SAR ADC capable of differential measurements with internal reference?
Yes - the SAR ADC supports true differential input mode using either the internal 1.024-V reference or external VREF, with programmable gain (1×, 2×, 4×, 8×) and hardware averaging across up to 64 samples. Differential mode achieves 12-bit ENOB with <1 LSB INL across the full temperature range.
CY8C4149AZI-S595 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-LQFP
- Series:
- PSOC™ 4 CY8C4100S
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit
- Speed:
- 48MHz
- Connectivity:
- CANbus, FIFO, I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART
- Peripherals:
- Brown-out Detect/Reset, CapSense, Crypto - AES, DMA, LCD, POR, PWM, SHA, Temp Sensor, TRNG, WDT
- Number of I/O:
- 54
- Program Memory Size:
- 384KB (384K 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:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C4149AZI-S595 FAQ
1.How can I place an order for CY8C4149AZI-S595 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4149AZI-S595 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 CY8C4149AZI-S595 reliable?
The price and inventory of CY8C4149AZI-S595 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4149AZI-S595 is usually 5 days.
3.What payment methods are accepted for CY8C4149AZI-S595?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4149AZI-S595 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4149AZI-S595?
CY8C4149AZI-S595 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4149AZI-S595 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 CY8C4149AZI-S595?
For technical support, including CY8C4149AZI-S595 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4149AZI-S595 requirements.
6.How does Aetrix verify that CY8C4149AZI-S595 is sourced from the original manufacturer or authorized distributors?
All CY8C4149AZI-S595 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 CY8C4149AZI-S595 meets industry standards.
7.What is the process for return or replacement of CY8C4149AZI-S595?
All CY8C4149AZI-S595 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4149AZI-S595, 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 CY8C4149AZI-S595 part is unused and in its original packaging.
Return procedure for CY8C4149AZI-S595:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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