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Infineon Technologies CY8C4146AZI-S445
- Part No.:
- CY8C4146AZI-S445
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
CY8C4146AZI-S445.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 64TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,544
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Product details
Overview
CY8C4146AZI-S445 from Infineon Technologies (acquired Cypress Semiconductor) is a PSoC 4100S Plus programmable system-on-chip featuring a 48-MHz Arm Cortex-M0+ CPU, 128 KB flash, 16 KB SRAM, integrated CapSense capacitive sensing, CAN 2.0B interface, and programmable analog/digital blocks. It targets embedded control with touch UI, motor drive feedback, and industrial connectivity in space-constrained designs.
For engineers reviewing the CY8C4146AZI-S445 datasheet, CY8C4146AZI-S445 pinout, CY8C4146AZI-S445 application, or CY8C4146AZI-S445 equivalent, key selection criteria include Deep Sleep current (2.5 µA), CapSense SNR (>5:1), CAN TTCAN support, 54 GPIO flexibility, and SWD debug security configuration.
Technical Context
The device integrates a single-core Arm Cortex-M0+ with tightly coupled flash accelerator and 8-channel DMA, enabling deterministic real-time control. Its analog subsystem includes two opamps operable in Deep Sleep, a 12-bit 1-Msps SAR ADC with channel sequencer, and dual IDACs for self-capacitance sensing.
Digital resources comprise five reconfigurable Serial Communication Blocks (SCBs) supporting I²C/SPI/UART, eight 16-bit TCPWM blocks with quadrature decode and comparator-triggered kill signals, and a dedicated CAN 2.0B controller with Time-Triggered CAN capability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0+, 48 MHz - delivers deterministic real-time execution with single-cycle multiply for control loops. |
| Flash / SRAM | 128 KB flash with Read Accelerator / 16 KB zero-wait-state SRAM - enables local firmware storage and fast data buffering without external memory. |
| Low-Power Modes | Deep Sleep current = 2.5 µA with opamps active - supports battery-powered touch interfaces with continuous sensing. |
| CapSense Performance | Sigma-Delta CSD with >5:1 SNR and water tolerance - ensures reliable touch detection in humid or wet environments. |
| CAN Interface | CAN 2.0B with TTCAN support - provides deterministic timing for automotive body control and industrial fieldbus nodes. |
| GPIO Count | Up to 54 programmable pins - allows mixed-signal routing for sensor fusion, display driving, and peripheral expansion. |
| ADC Resolution | 12-bit SAR ADC, 1 Msps, differential/single-ended - supports precision analog monitoring of voltage, current, or temperature. |
Pinout & Package
Package: 44-pin TQFP (0.8-mm pitch), RoHS-compliant, lead-free, moisture-sensitive level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Primary power supply input | Accepts 1.71–5.5 V; powers digital core, analog blocks, and I/O banks. |
| VSS | Ground reference | Common return path for all internal circuits and external peripherals. |
| P0[0]–P0[7] | Programmable GPIO bank 0 | Support CapSense, analog input/output, SCB, TCPWM, or LCD segment drive. |
| P1[0]–P1[7] | Programmable GPIO bank 1 | Includes dedicated CAN_TX/CAN_RX on P1[2]/P1[3]; configurable for high-speed signaling. |
| SWDCLK / SWDIO | Serial Wire Debug interface | Two-pin debug port enabling full chip programming, trace, and secure firmware lock control. |
| XRES | External reset input | Active-low asynchronous reset; debounced internally; overrides all power modes. |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense™ auto-tuning | Hardware-accelerated CapSense calibration eliminates manual tuning across temperature/humidity drift. |
| Programmable analog blocks | Two opamps + SAR ADC + IDACs enable sensor signal conditioning without external components. |
| Reconfigurable SCBs | Five independent serial blocks dynamically assigned as I²C, SPI, or UART - reduces BOM count and PCB layer count. |
| Secure debug disable | Firmware-controlled SWD disable prevents unauthorized access; re-enable requires full flash erase. |
| TCPWM kill input | Comparator-triggered hardware kill signal stops PWM output within one clock cycle - critical for motor overcurrent safety. |
Applications
| Industrial HMI Panel | Automotive Body Control Module |
|---|---|
Use Scenario: Touch-enabled operator interface for PLCs and machine controllers with environmental sealing. IC Role / Device Role / Timing Role: Main MCU executing UI logic, CapSense processing, and CAN bus communication with host controller. Use Value: Integrated CapSense + CAN eliminates separate touch controller and transceiver ICs, reducing board area by 35%. | Use Scenario: Door module managing window lift, mirror fold, and interior lighting via LIN/CAN gateway. IC Role / Device Role / Timing Role: CAN 2.0B node with TTCAN scheduling for synchronized actuator commands and diagnostics reporting. Use Value: Deterministic TTCAN timing ensures <50 µs jitter on window position feedback, meeting ASAM MCD-2 MC compliance. |
| Smart Thermostat Node | Motor Drive Feedback Unit |
Use Scenario: Battery-powered HVAC controller with capacitive touch buttons and ambient temperature/humidity sensing. IC Role / Device Role / Timing Role: Low-power MCU handling sensor acquisition, touch UI, and wireless co-processor interface via UART. Use Value: 2.5 µA Deep Sleep with active opamps enables >2-year coin-cell operation while maintaining touch readiness. | Use Scenario: Compact BLDC motor controller feedback unit measuring phase current, rotor position, and thermal status. IC Role / Device Role / Timing Role: Analog front-end (SAR ADC + opamps) and digital control (TCPWM + comparator kill) in single-chip solution. Use Value: Hardware kill input reduces fault response latency to <100 ns, meeting IEC 61800-5-2 functional safety requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable SoC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4147AZI-S475 | 128 KB flash, 32 KB SRAM, same package - adds 16 KB RAM for larger firmware or buffer-intensive tasks. | Preferred for USB HID stack or multi-sensor fusion requiring extended RAM. | Select when >16 KB SRAM is required for real-time FFT or protocol stacks. |
| STM32G071CBT6 | Arm Cortex-M0+, 128 KB flash, 36 KB SRAM, no integrated CapSense or CAN - uses external touch controller and transceiver. | Lower BOM cost but higher PCB complexity; lacks hardware-accelerated touch tuning. | Choose for cost-sensitive non-touch applications where CAN is implemented externally. |
Compared with CY8C4147AZI-S475, this part trades RAM headroom for lower cost and identical footprint; versus STM32G071CBT6, it integrates CapSense and CAN at silicon level, reducing component count and layout risk but with tighter RAM constraints.
Availability
CY8C4146AZI-S445 is available at Aetrix Electronics and suitable for industrial HMI panels, automotive body control modules, smart thermostat nodes, and motor drive feedback units requiring stable component supply and long-term lifecycle assurance.
Supply support for CY8C4146AZI-S445 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 develops, manufactures, and supports the PSoC family for programmable embedded systems.
The PSoC 4100S Plus product line targets low-power, mixed-signal applications requiring integrated capacitive sensing, motor control peripherals, and industrial connectivity - designed for rapid prototyping and production scalability.
FAQ
What debug interfaces does CY8C4146AZI-S445 support?
CY8C4146AZI-S445 supports only the two-wire Serial Wire Debug (SWD) interface per Arm specification. It includes four address breakpoint comparators and two data watchpoint comparators. Debug is enabled by default but can be permanently disabled via firmware configuration; re-enabling requires full flash erase and reprogramming.
Does CY8C4146AZI-S445 support USB connectivity?
No, CY8C4146AZI-S445 does not include a USB PHY or USB controller. It supports UART, SPI, and I²C through its five reconfigurable SCBs. For USB host/device functionality, an external USB-to-UART bridge (e.g., CP2102N) or companion MCU with USB is required.
Can all 54 GPIOs be used simultaneously for CapSense?
No. While up to 54 GPIOs are available, CapSense CSD supports a maximum of 32 sensors (electrodes) per device due to internal routing and SAR ADC resource limits. Simultaneous use of all pins for CapSense would exceed analog mux and scanning engine capacity.
What is the maximum operating temperature for CY8C4146AZI-S445?
CY8C4146AZI-S445 is rated for industrial temperature range: –40 °C to +85 °C. This is validated per JEDEC JESD22-A104 for thermal cycling and JESD22-A108 for high-temperature operating life. The device maintains full specification compliance across this range, including CapSense SNR and CAN bit timing accuracy.
CY8C4146AZI-S445 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-LQFP
- Series:
- PSOC™ 4 CY8C4100S Plus
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit Single-Core
- Speed:
- 48MHz
- Connectivity:
- I2C, IrDA, LINbus, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, CapSense, LCD, POR, PWM, WDT
- Number of I/O:
- 54
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 5.5V
- Data Converters:
- A/D 16x10b Slope, 16x12b SAR; D/A 2xIDAC
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C4146AZI-S445 FAQ
1.How can I place an order for CY8C4146AZI-S445 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4146AZI-S445 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 CY8C4146AZI-S445 reliable?
The price and inventory of CY8C4146AZI-S445 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4146AZI-S445 is usually 5 days.
3.What payment methods are accepted for CY8C4146AZI-S445?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4146AZI-S445 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4146AZI-S445?
CY8C4146AZI-S445 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4146AZI-S445 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 CY8C4146AZI-S445?
For technical support, including CY8C4146AZI-S445 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4146AZI-S445 requirements.
6.How does Aetrix verify that CY8C4146AZI-S445 is sourced from the original manufacturer or authorized distributors?
All CY8C4146AZI-S445 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 CY8C4146AZI-S445 meets industry standards.
7.What is the process for return or replacement of CY8C4146AZI-S445?
All CY8C4146AZI-S445 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4146AZI-S445, 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 CY8C4146AZI-S445 part is unused and in its original packaging.
Return procedure for CY8C4146AZI-S445:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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