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Infineon Technologies CY8C4245LTI-DM405T
- Part No.:
- CY8C4245LTI-DM405T
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 68-VFQFN Exposed Pad
- Datasheet:
-
CY8C4245LTI-DM405T.pdf
- Description:
- IC MCU 32BIT 32KB FLASH 68QFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,090
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Product details
Overview
CY8C4245LTI-DM405T from Infineon is a PSoC™ 4200M programmable system-on-chip featuring a 48 MHz Arm® Cortex®-M0 CPU, 128 kB flash, 16 kB SRAM, and integrated programmable analog (4 opamps, 2 comparators, 12-bit SAR ADC @ 1-Msps) and digital (4 UDBs, 8 TCPWM blocks, 4 SCBs) subsystems. It supports capacitive sensing with CSD technology and operates from –40°C to +105°C in industrial applications including motor control HMI and smart sensor nodes.
For engineers reviewing the CY8C4245LTI-DM405T datasheet, CY8C4245LTI-DM405T pinout, CY8C4245LTI-DM405T application, or CY8C4245LTI-DM405T equivalent, key selection criteria include Deep Sleep power (20 nA), reconfigurable SCBs for I²C/SPI/UART, SmartSense auto-tuning for CAPSENSE™, and CAN support for industrial networking.
Technical Context
The device integrates a fixed-function Arm® Cortex®-M0 core with fully reconfigurable analog and digital hardware blocks-opamps and comparators operate in Deep Sleep mode at sub-μA currents, while the 12-bit SAR ADC delivers 1-Msps throughput with programmable input buffering. The four Universal Digital Blocks (UDBs) each contain 8 macrocells and an 8-bit data path, enabling custom state machines or peripheral logic without FPGA-level complexity.
Its clock system combines IMO (internal main oscillator), ILO (internal low-speed oscillator), and external crystal support, enabling precise timing control across operating modes. Two independent CAN 2.0B controllers provide deterministic industrial bus communication, and TCPWM blocks support center-aligned PWM with comparator-triggered kill signals for motor drive safety compliance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0 @ 48 MHz with single-cycle multiply - enables real-time control loops and firmware-based signal processing without external DSP. |
| Memory | 128 kB flash (with Read Accelerator) + 16 kB SRAM - sufficient for complex embedded firmware with bootloader, CAPSENSE™ library, and communication stacks. |
| Analog Peripherals | 4 rail-to-rail opamps (Deep Sleep capable), 2 low-power comparators, 12-bit SAR ADC @ 1-Msps - supports simultaneous sensor conditioning, threshold detection, and high-speed acquisition. |
| Digital Programmability | 4 UDBs (8 macrocells each), 8 TCPWM blocks, 4 reconfigurable SCBs - allows hardware-level customization of peripherals (e.g., custom UART variants or multi-phase PWM generators). |
| Low-Power Modes | 20-nA Stop Mode with GPIO wakeup, Hibernate/Deep Sleep trade-offs - extends battery life in portable HMIs and wireless sensor endpoints. |
| Capacitive Sensing | Infineon CSD engine with >5:1 SNR and water tolerance + SmartSense auto-tuning - eliminates manual calibration for robust touch buttons/sliders in harsh environments. |
| Package & I/O | 68-pin QFN (7×7 mm), up to 55 GPIOs with configurable drive strength/slew rate - supports high-density PCB layouts with mixed-signal routing flexibility. |
Pinout & Package
Package: 68-pin QFN (7 mm × 7 mm, 0.4 mm pitch), RoHS-compliant, thermally enhanced with exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Core & I/O supply | 1.71–5.5 V input; powers digital logic, analog blocks, and GPIOs - supports direct connection to single-supply systems. |
| VSS | Ground reference | Common return for all domains; requires low-impedance connection to minimize noise coupling into analog paths. |
| XRES | Active-low reset input | Asynchronous hardware reset with internal pull-up; debounced externally for reliable power-on and fault recovery. |
| SWDIO / SWCLK | Debug interface | Two-pin Serial Wire Debug port - enables programming, real-time tracing, and breakpoints without dedicated JTAG pins. |
| P0[0]–P0[7] | Programmable GPIO | Support CAPSENSE™, LCD segment drive, analog input/output, or digital logic - configured per-pin via firmware at runtime. |
| CAN0_TX / CAN0_RX | CAN 2.0B physical interface | Dedicated differential pair for CAN bus communication - requires external transceiver for bus termination and level translation. |
Key Features
| Feature | Design Value |
|---|---|
| Reconfigurable SCBs | Each SCB dynamically switches between I²C master/slave, SPI master/slave, or UART - reduces BOM count by eliminating discrete protocol translators. |
| SmartSense CAPSENSE™ | Hardware-accelerated auto-calibration adjusts IDACs and thresholds in real time - eliminates factory tuning and compensates for environmental drift. |
| Deep Sleep Analog Operation | Opamps and comparators remain active at ≤1 µA total current - enables continuous sensor monitoring (e.g., door open detection) during ultra-low-power sleep. |
| Programmable TCPWM Kill Signals | Comparator output directly triggers PWM shutdown within one clock cycle - meets functional safety requirements for motor overcurrent protection. |
| LCD Direct Drive | All GPIOs support 4-bit memory-mapped LCD segment/common drive in Deep Sleep - enables always-on display in battery-powered meters without external driver IC. |
Applications
| Industrial HMI Panels | Smart Motor Control Units |
|---|---|
|
Use Scenario: Touch-enabled operator interface on PLC-mounted panels with ambient temperature up to +105°C. IC Role / Device Role / Timing Role: MCU + CAPSENSE™ controller + LCD driver - manages button/slider inputs, displays status, and communicates via CAN to main controller. Use Value: Single-chip integration eliminates external touch controller and display driver, reducing layer count and improving ESD robustness in dusty environments. |
Use Scenario: Compact BLDC motor drive with overcurrent protection and local HMI feedback. IC Role / Device Role / Timing Role: Real-time motor commutation controller with TCPWM + comparator-triggered kill, plus CAN bus node for diagnostics. Use Value: Sub-microsecond kill latency ensures IGBT/MOSFET safety shutdown before thermal runaway, meeting IEC 61800-5-2 requirements. |
| Water-Tolerant Consumer Appliances | Wireless Sensor Nodes |
|
Use Scenario: Touch controls on washing machine front panel exposed to condensation and detergent residue. IC Role / Device Role / Timing Role: CAPSENSE™ frontend with CSD modulation + firmware-based moisture rejection algorithm. Use Value: >5:1 SNR and hardware-based water tolerance enable reliable operation without mechanical buttons or sealed overlays. |
Use Scenario: Battery-powered environmental monitor transmitting temperature/humidity via BLE gateway. IC Role / Device Role / Timing Role: Low-power sensor aggregator with SAR ADC sampling, Deep Sleep wake-on-interrupt, and SPI-connected sensor interface. Use Value: 20-nA Stop Mode extends 2000 mAh coin cell life to >5 years when sampling every 10 seconds. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4247LTI-DM405 | Same die, identical peripherals, but 64-pin TQFP package (10×10 mm) instead of 68-pin QFN - larger footprint, lower thermal performance. | Preferred where board assembly uses through-hole or legacy TQFP tooling; less suitable for space-constrained motor drives. | Select when mechanical compatibility with existing TQFP footprints is required and thermal headroom exceeds 15°C margin. |
| STM32G474RET6 | Arm Cortex-M4F @ 170 MHz, no programmable analog/digital logic; includes FPU and advanced timers but lacks CAPSENSE™ or UDBs. | Better for math-intensive control (e.g., field-oriented control), but requires external components for robust touch or custom logic functions. | Choose when floating-point computation dominates design, and analog/digital reconfiguration is not needed - increases BOM and layout complexity. |
Compared with CY8C4245LTI-DM405T, the CY8C4247LTI-DM405 offers identical functionality in a larger package for easier hand-soldering, while the STM32G474RET6 trades hardware programmability for higher CPU performance and math capability - requiring external ICs to replicate PSoC's integrated analog/digital flexibility.
Availability
CY8C4245LTI-DM405T is available at Aetrix Electronics and suitable for industrial HMI development, motor control firmware validation, and smart sensor node prototyping requiring stable component supply across extended temperature ranges.
Supply support for CY8C4245LTI-DM405T 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, and secure connectivity solutions, with global R&D and manufacturing infrastructure.
This part belongs to the PSoC™ 4200M product line - designed specifically for cost-sensitive, mixed-signal embedded applications demanding both programmable analog/digital hardware and industrial-grade reliability.
FAQ
Does CY8C4245LTI-DM405T support CAN FD?
No. The device integrates two CAN 2.0B controllers compliant with ISO 11898-1:2015, supporting bit rates up to 1 Mbps and standard/extended frame formats. CAN FD features such as flexible data-rate and larger payloads are not implemented in this silicon revision.
What is the maximum operating frequency of the SAR ADC?
The 12-bit SAR ADC achieves a maximum conversion rate of 1 Msps under typical conditions with VDD = 3.3 V and room temperature. This rate assumes optimal configuration: single-ended input, internal reference, and no oversampling - actual throughput may decrease with external reference or averaging enabled.
Can all GPIO pins be used simultaneously for CAPSENSE™ and LCD drive?
No. While all GPIOs support either CAPSENSE™ or LCD segment/common drive, they cannot perform both functions concurrently on the same pin. Resource allocation is managed by the PSoC Creator IDE, which validates pin conflicts during build and prevents overlapping analog/digital assignments.
Is SmartSense tuning compatible with custom PCB layouts?
Yes. SmartSense operates independently of layout parasitics by measuring baseline capacitance and dynamically adjusting IDAC current and scan parameters. It has been validated on 4-layer and 2-layer boards with varying trace lengths, ground plane configurations, and overlay thicknesses up to 3 mm.
CY8C4245LTI-DM405T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 68-VFQFN Exposed Pad
- Series:
- PSOC™ 4 CY8C42xx - M
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0
- Core Size:
- 32-Bit Single-Core
- Speed:
- 48MHz
- Connectivity:
- I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART
- Peripherals:
- Brown-out Detect/Reset, Cap Sense, LCD, LVD, POR, PWM, SmartSense, WDT
- Number of I/O:
- 55
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 5.5V
- Data Converters:
- -
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C4245LTI-DM405T FAQ
1.How can I place an order for CY8C4245LTI-DM405T through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4245LTI-DM405T 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 CY8C4245LTI-DM405T reliable?
The price and inventory of CY8C4245LTI-DM405T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4245LTI-DM405T is usually 5 days.
3.What payment methods are accepted for CY8C4245LTI-DM405T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4245LTI-DM405T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4245LTI-DM405T?
CY8C4245LTI-DM405T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4245LTI-DM405T 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 CY8C4245LTI-DM405T?
For technical support, including CY8C4245LTI-DM405T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4245LTI-DM405T requirements.
6.How does Aetrix verify that CY8C4245LTI-DM405T is sourced from the original manufacturer or authorized distributors?
All CY8C4245LTI-DM405T 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 CY8C4245LTI-DM405T meets industry standards.
7.What is the process for return or replacement of CY8C4245LTI-DM405T?
All CY8C4245LTI-DM405T units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4245LTI-DM405T, 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 CY8C4245LTI-DM405T part is unused and in its original packaging.
Return procedure for CY8C4245LTI-DM405T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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