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Infineon Technologies CY8C3446PVA-076
- Part No.:
- CY8C3446PVA-076
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 48-BSSOP (0.295", 7.50mm Width)
- Datasheet:
-
CY8C3446PVA-076.pdf
- Description:
- IC MCU 8BIT 64KB FLASH 48SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,331
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Product details
Overview
CY8C3446PVA-076 from Infineon Technologies (acquired Cypress Semiconductor) is an AEC-Q100 qualified automotive-grade PSoC® 3 programmable system-on-chip integrating an 8051 CPU core, 64 KB flash, 8 KB SRAM, 2 KB EEPROM, full CAN 2.0b interface, USB 2.0 Full-Speed peripheral, and configurable analog/digital peripherals in a 100-pin TQFP package. It operates from 1.71 V to 5.5 V, supports –40 °C to +125 °C extended temperature range, and delivers up to 50 MHz performance with hardware-accelerated DMA and CapSense® capacitive sensing capability.
For engineers reviewing the CY8C3446PVA-076 datasheet, CY8C3446PVA-076 pinout, CY8C3446PVA-076 application, or CY8C3446PVA-076 equivalent, key selection considerations include its integrated CAN 2.0b controller with 16 Rx/8 Tx buffers, delta-sigma ADC (12-bit, 192 ksps, 66 dB SINAD), dual opamps (25 mA drive), and USB FS PHY with internal oscillator - all validated for automotive body control, sensor fusion, and infotainment subsystems.
Technical Context
The CY8C3446PVA-076 implements a single-cycle 8051 CPU core with multiply/divide instructions, 512-byte flash cache, and ECC-protected flash configuration storage. Its digital subsystem comprises 24 Universal Digital Blocks (UDBs) supporting programmable logic, timers, PWMs, CRC, PRS, LIN 2.0, and quadrature decoding via DSI routing.
Analog functionality centers on a 1.024 V ±0.1% internal reference, configurable delta-sigma ADC (8–12-bit, ×0.25–×16 PGA gain), four comparators (95 ns), two uncommitted opamps, and two SC/CT blocks usable as PGA, TIA, mixer, or sample-and-hold - all routable to any of 62 GPIOs with CapSense® support.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Single-cycle 8051 running up to 50 MHz; enables deterministic real-time control with hardware multiply/divide. |
| Memory | 64 KB flash (100k write cycles, 20 yr retention), 8 KB SRAM, 2 KB EEPROM (1M cycles); supports firmware updates and data logging without external memory. |
| ADC | Configurable delta-sigma, 12-bit @ 192 ksps, 66 dB SINAD, ±1 LSB INL/DNL; suitable for high-accuracy thermocouple, pressure, and current sensing. |
| CAN Interface | Full CAN 2.0b compliant with 16 Rx and 8 Tx message buffers; meets automotive network requirements without external transceiver logic. |
| USB Interface | USB 2.0 Full-Speed (12 Mbps) peripheral with integrated PHY and internal oscillator (TID#40770053 certified); eliminates need for external crystal or PHY IC. |
| Operating Temp | –40 °C to +125 °C extended range; qualified per AEC-Q100 Grade 0 for under-hood and powertrain applications. |
| I/O Flexibility | 62 GPIOs with full analog/digital routing, CapSense® on any pin, LCD direct drive (46×16), and 25 mA sink on SIO pins; reduces board-level signal conditioning. |
Pinout & Package
Package: 100-pin TQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA, VDDD | Analog/Digital Power Supply | Separate 1.71–5.5 V domains enable noise-isolated analog operation and flexible I/O voltage scaling. |
| P0[0]–P0[7], P1[0]–P1[7], etc. | General-Purpose I/O | All 62 GPIOs support analog input/output, CapSense®, LCD segment/common, and digital peripheral routing via DSI. |
| CAN_TX, CAN_RX | CAN Bus Interface | Dedicated differential pair routed to internal CAN controller; requires external transceiver for physical layer compliance. |
| USBDP, USBDM | USB Differential Pair | Integrated full-speed PHY with internal oscillator; connects directly to USB connector with minimal passive components. |
| XRES | External Reset Input | Active-low asynchronous reset pin compatible with automotive watchdog and power management ICs. |
| SWDCK, SWDIO | Serial Wire Debug | 2-wire JTAG alternative enabling debug and programming through standard ARM SWD protocol. |
Key Features
| Feature | Design Value |
|---|---|
| Configurable UDB Array (24 blocks) | Enables custom digital logic (e.g., PRS, CRC, LIN, quadrature decoder) without FPGA or external glue logic. |
| Delta-sigma ADC with PGA | Programmable gain (×0.25–×16) and resolution (8–12-bit) allow single-chip adaptation to diverse sensor outputs (mV to V range). |
| CapSense® on Any GPIO | Eliminates dedicated touch controller IC; supports buttons, sliders, and proximity sensing using standard I/O pins. |
| Hardware DMA with Chained Descriptors | 24-channel AHB-based DMA offloads CPU during high-bandwidth transfers (e.g., ADC streaming, USB bulk transfers). |
| AEC-Q100 Grade 0 Qualification | Validated for 125 °C ambient operation and automotive reliability standards (HTOL, ESD, EMC), reducing qualification effort. |
Applications
| Automotive Body Control Module | Industrial Sensor Fusion Node |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting with LIN/CAN communication. IC Role / Device Role / Timing Role: Main MCU executing real-time control tasks, managing LIN slave nodes, and interfacing with analog sensors (potentiometers, temp sensors). Use Value: Integrated CAN 2.0b and LIN peripherals reduce BOM count; CapSense® enables touch-sensitive controls without added ICs. |
Use Scenario: Multi-sensor acquisition (pressure, humidity, vibration) with local preprocessing and CAN/USB data upload. IC Role / Device Role / Timing Role: Signal acquisition hub performing analog front-end conditioning, delta-sigma conversion, and time-stamped data buffering. Use Value: 12-bit ADC with 192 ksps and PGA supports simultaneous high-resolution sampling across 10+ channels without external amplifiers. |
| Automotive Infotainment Subsystem | Medical Patient Monitoring Interface |
Use Scenario: USB-connected display controller with capacitive touch overlay and audio codec interface. IC Role / Device Role / Timing Role: USB FS peripheral handling HID-class device enumeration and CapSense® touch processing in parallel with display timing. Use Value: Integrated USB PHY and internal oscillator eliminate external crystal; 62 GPIOs support direct LCD segment driving (46×16) and touch scanning. |
Use Scenario: Portable ECG/SpO₂ monitor requiring low-power analog front-end, battery management, and USB data export. IC Role / Device Role / Timing Role: Analog subsystem digitizing biopotential signals (ECG leads) with programmable gain and filtering; digital subsystem handles USB HID reporting. Use Value: 200 nA hibernate mode with RAM retention extends battery life; 1.024 V ±0.1% reference ensures clinical-grade ADC accuracy over temperature. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable SoC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SPC560B50L5 | Power Architecture e200z0 core, 512 KB flash, no integrated USB or CapSense®; requires external transceivers for CAN/LIN. | Targeted at powertrain control with ASIL-B functional safety; lacks mixed-signal flexibility for touch/sensor interfaces. | Select when ASIL-B certification and high-reliability motor control are primary; avoid if USB/CapSense® integration is required. |
| MAX32660 | ARM Cortex-M4F core, 256 KB flash, 96 KB SRAM, no CAN; includes AES-256 and secure boot but no analog subsystem beyond basic ADC/DAC. | Focused on wearable and ultra-low-power IoT; lacks automotive qualification and high-precision analog capability. | Select for battery-powered medical wearables needing cryptographic security; not suitable for CAN-based automotive networks or precision sensor acquisition. |
Compared with SPC560B50L5 and MAX32660, CY8C3446PVA-076 uniquely combines AEC-Q100 Grade 0 qualification, integrated CAN+USB+CapSense®, and a configurable analog subsystem - enabling single-chip replacement of MCU + analog front-end + touch controller in cost- and space-constrained automotive modules.
Availability
CY8C3446PVA-076 is available at Aetrix Electronics and suitable for automotive body control modules, industrial sensor fusion nodes, infotainment subsystems, and portable medical monitoring devices requiring stable component supply and long-term lifecycle support.
Supply support for CY8C3446PVA-076 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 acquired Cypress Semiconductor in 2020 and now manufactures and supports the PSoC® family, delivering scalable programmable analog-digital SoCs for automotive, industrial, and consumer markets.
The CY8C34 Automotive Family targets AEC-Q100-compliant applications requiring mixed-signal integration, real-time control, and field-upgradable functionality - especially where CAN, USB, CapSense®, and precision analog acquisition must coexist on one die.
FAQ
Does CY8C3446PVA-076 require an external crystal for USB operation?
No. The device integrates a USB 2.0 Full-Speed PHY with an internal oscillator certified to TID#40770053, enabling USB enumeration and data transfer without an external crystal. An external 4–25 MHz crystal is optional for higher clock accuracy in non-USB applications.
Can all 62 GPIOs be used simultaneously for analog input with the delta-sigma ADC?
Yes - the analog routing architecture allows any GPIO to connect to the delta-sigma ADC input via the internal analog bus. However, simultaneous sampling across all 62 pins is limited by the ADC's 192 ksps maximum sample rate and sequencer configuration; practical channel count depends on required resolution and throughput per channel.
What is the role of the two SC/CT blocks in CY8C3446PVA-076?
Each SC/CT block is a reconfigurable analog cell supporting functions including programmable gain amplifier (PGA), transimpedance amplifier (TIA), mixer, and sample-and-hold. They operate independently, accept inputs from any GPIO, and interface directly with the ADC or DAC - enabling custom analog signal conditioning without external opamp circuits.
Is the 2 KB EEPROM truly endurance-rated to 1 million write cycles?
Yes - the datasheet specifies 1 million write/erase cycles with 20-year data retention at +85 °C. This is achieved via wear-leveling firmware in the PSoC Creator™ library and dedicated EEPROM emulation routines that distribute writes across physical flash sectors to prevent localized degradation.
CY8C3446PVA-076 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 48-BSSOP (0.295", 7.50mm Width)
- Series:
- PSOC™ 3 CY8C34xx
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- 8051
- Core Size:
- 8-Bit
- Speed:
- 50MHz
- Connectivity:
- EBI/EMI, I2C, LINbus, SPI, UART/USART, USB
- Peripherals:
- CapSense, DMA, LCD, POR, PWM, WDT
- Number of I/O:
- 25
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 5.5V
- Data Converters:
- A/D 16x12b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C3446PVA-076 FAQ
1.How can I place an order for CY8C3446PVA-076 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C3446PVA-076 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 CY8C3446PVA-076 reliable?
The price and inventory of CY8C3446PVA-076 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C3446PVA-076 is usually 5 days.
3.What payment methods are accepted for CY8C3446PVA-076?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C3446PVA-076 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C3446PVA-076?
CY8C3446PVA-076 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C3446PVA-076 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 CY8C3446PVA-076?
For technical support, including CY8C3446PVA-076 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C3446PVA-076 requirements.
6.How does Aetrix verify that CY8C3446PVA-076 is sourced from the original manufacturer or authorized distributors?
All CY8C3446PVA-076 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 CY8C3446PVA-076 meets industry standards.
7.What is the process for return or replacement of CY8C3446PVA-076?
All CY8C3446PVA-076 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C3446PVA-076, 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 CY8C3446PVA-076 part is unused and in its original packaging.
Return procedure for CY8C3446PVA-076:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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