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Home Products Integrated Circuits (ICs)Embedded - Microcontrollers~~CY8C4124PVA-S432T~~

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CY8C4124PVA-S432T - Infineon Technologies

Name: Infineon Technologies CY8C4124PVA-S432T
Brand: Infineon Technologies
SKU: CY8C4124PVA-S432T
Price: 2.443 USD
Availability: InStock
Rating: 5 (6 reviews)

Manufacturer Part Number: CY8C4124PVA-S432T

Manufacturer: Infineon Technologies

Allelco Part Number: 98D-CY8C4124PVA-S432T

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 36,499 pcs available, New & Original

Parts Description: PSOC4 - GENERAL

Package: 28-SSOP

Data sheet: -

RoHs Status: ROHS3 Compliant

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In stock: 36499

Unit Price: $6.443
Subtotal: $0.00

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Quantity	Unit Price	Ext. Price
1+	$6.443	$6.44
200+	$2.571	$514.20
500+	$2.485	$1,242.50
1000+	$2.443	$2,443.00

The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

CY8C4124PVA-S432T Tech Specifications
Infineon Technologies - CY8C4124PVA-S432T technical specifications, attributes, parameters and parts with similar specifications to Infineon Technologies - CY8C4124PVA-S432T

Product Attribute	Attribute Value
Manufacturer	Infineon Technologies
Voltage - Supply (Vcc/Vdd)	1.71V ~ 5.5V
Supplier Device Package	28-SSOP
Speed	24MHz
Series	Automotive, AEC-Q100, PSOC® 4 CY8C4100S Plus
RAM Size	4K x 8
Program Memory Type	FLASH
Program Memory Size	16KB (16K x 8)
Peripherals	Brown-out Detect/Reset, CapSense, LCD, LVD, POR, PWM, WDT
Package / Case	28-SSOP (0.209", 5.30mm Width)

Product Attribute	Attribute Value
Package	Tape & Reel (TR)
Oscillator Type	Internal
Operating Temperature	-40°C ~ 85°C (TA)
Number of I/O	24
Mounting Type	Surface Mount
EEPROM Size	-
Data Converters	A/D 16x10b, 12x12b SAR; D/A 2x7b
Core Size	32-Bit
Core Processor	ARM® Cortex®-M0+
Connectivity	I²C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
REACH Status	REACH Unaffected

Frequently Asked Questions(FAQ)

What are the key differences between the CY8C4124PVA-S432T and other PSOC 4 series microcontrollers in terms of memory architecture and peripheral integration for automotive-grade applications?: The CY8C4124PVA-S432T features a 16KB Flash memory and 4KB SRAM, which is typical for mid-range PSOC 4 devices, but its real distinction lies in integrated CapSense technology and analog peripherals such as 16x10-bit ADCs and 2x7-bit DACs. These are tightly coupled with the ARM Cortex-M0+ core to support capacitive touch sensing and mixed-signal processing in automotive environments, reducing external component count compared to generic 32-bit MCUs.

How does the operating voltage range of 1.71V to 5.5V influence power management strategies when integrating the CY8C4124PVA-S432T into battery-powered automotive subsystems?: This wide supply range enables flexible power design, allowing operation from low-voltage battery rails (e.g., 3.3V or 5V) while supporting brown-out detection and programmable voltage monitoring. Engineers can optimize power consumption by dynamically adjusting clock speed or enabling sleep modes without requiring additional level-shifting circuitry, simplifying integration into systems with variable power sources.

Can the CY8C4124PVA-S432T reliably drive a small LCD segment display in an automotive instrument cluster application given its listed LCD peripheral support?: Yes, but with constraints. The device includes built-in LCD driver capabilities, but driving a full character LCD typically requires careful configuration of internal bias voltages and frame rates. Due to limited current sourcing capability and fixed timing, complex graphics or high-segment counts may require external boost circuits or alternative display technologies like segmented LED or E-Ink.

What considerations should be made regarding electromagnetic compatibility (EMC) when using the CY8C4124PVA-S432T in close proximity to RF transceivers in a vehicle environment?: While the CY8C4124PVA-S432T is AEC-Q100 qualified and operates over -40°C to 85°C, its internal oscillator and digital switching noise can couple into sensitive analog inputs. Proper PCB layout—such as isolating analog traces from digital lines and grounding the SSOP package effectively—is essential. Additionally, using external crystal filtering or shielding near IrDA or LIN interfaces helps mitigate interference.

How does the internal oscillator stability affect system timing accuracy in time-critical automotive applications like LIN bus communication using the CY8C4124PVA-S432T?: The internal oscillator has typical accuracy of ±1% to ±2%, which may lead to bit rate drift in LIN communications beyond specification limits. For reliable LIN operation at standard baud rates (e.g., 19.2 kbps), an external crystal oscillator is recommended to maintain timing integrity across temperature and voltage variations, especially in safety-relevant nodes.

What trade-offs exist between using the internal versus external oscillators for the CY8C4124PVA-S432T in terms of system cost, size, and reliability?: Using the internal oscillator reduces BOM cost and board space by eliminating external crystals, ideal for non-time-critical applications. However, it introduces potential timing inaccuracies that may impact communication protocols or PWM resolution. External crystals provide higher precision (±20 ppm or better) and stability across temperature, justifying added cost in mission-critical systems.

Is the CY8C4124PVA-S432T suitable for implementing motor control algorithms requiring precise PWM generation and feedback sampling?: It supports multiple PWM channels via its dedicated PWM module, but with only two 7-bit DACs and limited ADC resolution (10-bit), fine-tuned motor control may lack precision. For BLDC or stepper motors demanding higher-resolution feedback, pairing this MCU with an external sensor interface IC or upgrading to a PSOC with higher ADC resolution would be more effective.

How does the number of I/O pins (24) constrain expansion options when interfacing multiple sensors or actuators with the CY8C4124PVA-S432T?: With 24 bidirectional I/Os, designers must carefully allocate pins for communication buses (I2C, SPI), analog inputs, and GPIO. In dense sensor networks, shared bus architectures or multiplexers become necessary. Alternatively, using the UART/USART for daisy-chained sensors or leveraging CapSense for touch inputs can reduce pin count pressure while maintaining functionality.

What role does the Watchdog Timer (WDT) play in enhancing system robustness for infrequently serviced automotive modules using the CY8C4124PVA-S432T?: The WDT provides hardware-level recovery from software hangs by resetting the MCU if not periodically serviced. In head unit or body control modules with minimal diagnostics access, this feature ensures automatic fault containment without user intervention, improving overall system availability and meeting functional safety expectations in non-critical applications.

How do the data converters (ADC and DAC) on the CY8C4124PVA-S432T perform when sampling fast-changing signals in real-world automotive environments?: The 10-bit ADC samples at up to 1 Msps per channel, sufficient for many sensor inputs like temperature or position, but dynamic range and noise immunity depend heavily on analog front-end design. Without built-in PGA or filtering, external RC filters and proper layout are required to prevent aliasing and ensure accurate readings under electromagnetic noise common in vehicles.

Can the CY8C4124PVA-S432T support USB connectivity, and if not, what alternatives exist for host or device functions?: No, the CY8C4124PVA-S432T does not include native USB hardware. For USB-to-serial bridging, an external USB-UART bridge chip must be used alongside the UART interface. Alternatively, LIN or CAN can serve as robust physical layers for automotive diagnostics and programming, avoiding USB complexity while maintaining compliance with vehicle network standards.

What are the implications of selecting the Tape & Reel (TR) packaging variant (CY8C4124PVA-S432T) for automated assembly processes in mass production?: Tape & Reel packaging enables high-speed pick-and-place assembly, reducing manual handling errors and increasing throughput during PCB manufacturing. This format is essential for automotive volume production where reliability and scalability outweigh minor increases in storage logistics costs compared to tube or tray variants.

How does the PSOC Creator IDE enhance development efficiency when working with the CY8C4124PVA-S432T compared to traditional C-based embedded coding?: PSOC Creator provides drag-and-drop configurability of digital and analog blocks, enabling rapid prototyping of mixed-signal systems without writing low-level firmware. This visual approach accelerates CapSense tuning, PWM configuration, and peripheral setup, significantly shortening time-to-market despite the Cortex-M0+’s modest performance.

In what scenarios would the CY8C4124PVA-S432T outperform a general-purpose microcontroller with similar core specifications but lacking integrated analog features?: It excels in applications requiring capacitive touch input, low-power wake-up from sleep, or direct analog signal conditioning—such as door handle sensors, HVAC controls, or seat occupancy detection. The integrated analog front ends eliminate need for discrete components, reducing board area and improving signal integrity versus separate MCU + external ADC solutions.

How does the automotive qualification (AEC-Q100) of the CY8C4124PVA-S432T benefit reliability in harsh vehicle operating conditions?: Passing AEC-Q100 ensures rigorous testing for thermal cycling, humidity, ESD, and mechanical stress, validating long-term operation from -40°C to 85°C. This certification gives confidence in failure rates and operational lifespan, critical for body electronics, lighting, or convenience features subject to environmental extremes.

What precautions should be taken during programming and debugging of the CY8C4124PVA-S432T to avoid unintentional flash corruption?: Always use verified firmware images and stable power during programming. Avoid frequent erase/write cycles on the same Flash sectors due to limited endurance (~10k cycles). Implement bootloader safeguards and checksum validation to detect corruption early. Debugging should use SWD or JTAG with breakpoints set conservatively to prevent race conditions during peripheral access.

How does the choice of supply decoupling capacitors impact the performance of the CY8C4124PVA-S432T’s analog peripherals such as the ADC?: Poor decoupling leads to supply noise coupling into analog inputs, degrading ADC linearity and SNR. Use 0.1 µF ceramic capacitors placed within 2 mm of each VDD/VSS pin, supplemented with bulk capacitance (e.g., 1–10 µF tantalum) near the package. Ground plane continuity further reduces ground bounce, ensuring stable reference voltages for accurate conversions.

What are the limitations of using the SmartCard interface on the CY8C4124PVA-S432T for secure authentication in automotive access systems?: While the SmartCard peripheral supports ISO/IEC 7816 protocols, it lacks cryptographic acceleration hardware. Implementing secure key exchange or encryption requires software overhead on the Cortex-M0+, increasing CPU load and vulnerability to side-channel attacks. For stronger security, pairing this MCU with a dedicated crypto co-processor is advisable despite added cost and complexity.

Parts with Similar Specifications

The three parts on the right have similar specifications to Infineon Technologies CY8C4124PVA-S432T

Product Attribute
Part Number	CY8C4124PVA-S432	CY8C4124PVA-S412T	CY8C4124PVA-S422T	CY8C4124PVE-S432T
Manufacturer	Infineon Technologies	Infineon Technologies	Infineon Technologies	Infineon Technologies
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
EEPROM Size	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
RAM Size	-	-	-	-
Connectivity	-	-	-	-
Series	-	-	-	-
Core Processor	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Program Memory Type	-	-	-	-
Program Memory Size	-	-	-	-
Core Size	-	-	-	-
Voltage - Supply (Vcc/Vdd)	-	-	-	-
Oscillator Type	-	-	-	-
Data Converters	-	-	-	-
Number of I/O	-	-	-	-
Speed	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Peripherals	-	-	-	-

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Customer Reviews

Evaluation: 10 Articles

Nord***mbedded

Jul 20, 2026

Reliable FPGA with predictable behavior. Configuration and testing went smoothly, making development faster than expected.
Arch***ct

Jul 15, 2026

Used this device in a communication signal processing board. Stable timing and no unexpected issues during implementation.
FPGA***lorer88

Jul 7, 2026

The FPGA works properly and all functions operate as expected. Documentation required some additional research, but overall it is a usable device for smaller signal processing projects.
Nath***oleman

Jun 29, 2026

Used this sensor component in an industrial automation setup. Detection accuracy was consistent and installation was straightforward.
Emil***rperTech

Jun 23, 2026

Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.
Liam***terTech

Jun 15, 2026

Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.
Nath***rooks

Jun 11, 2026

Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.
Dani***alkerTech

Jun 1, 2026

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.
Yuki***aka88

May 26, 2026

信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。
Stev***aker

May 20, 2026

Solid diode for power rectification. Works well in switching circuits.

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Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

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