Infineon Technologies CY8C4024LQI-S403T
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.38 | $4.38 |
| 15+ | $1.00 | $15.00 |
| 25+ | $0.98 | $24.50 |
| 50+ | $0.93 | $46.50 |
| 100+ | $0.82 | $82.00 |
| N+ | $0.16 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Infineon Technologies |
| Product Series | PSOC™ 4 CY8C4000S |
| Packaging | Tape & Reel (TR) | NULL |
| Core Processor | ARM® Cortex®-M0+ |
| Core Size | 32-Bit Single-Core |
| Speed | 24MHz |
| Connectivity | I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART |
| Peripherals | Brown-out Detect/Reset, CapSense, LCD, LVD, POR, PWM, WDT |
| Number of I/O | 34 |
| Program Memory Size | 16KB (16K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 2K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 5.5V |
| Data Converters | A/D 1x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 40-QFN (6x6) |
| Package / Case | 40-UFQFN Exposed Pad |
| ROHS |
The CY8C4024LQI-S403T is a low-power ARM Cortex-M0+ MCU from Infineon, featuring 16KB flash and 2KB SRAM. It integrates CapSense touch sensing, an LCD driver, and multiple analog/digital peripherals. With a wide voltage range and compact UFQFN package, it suits space-constrained embedded designs.
- Integrated CapSense: Eliminates external touch ICs, reducing BOM cost and board space.
- Wide voltage range (1.71V-5.5V): Simplifies power supply design for battery or USB-powered systems.
- Low-power operation: Extends battery life in portable and IoT applications.
- Rich analog/peripheral set: LCD, PWM, WDT, and brown-out detection in one package.
Capacitive Touch Control Panels
Leverage the integrated CapSense block to implement reliable, noise-immune touch buttons and sliders in consumer appliances, reducing external components.
Battery-Powered IoT Sensors
With a 1.71V minimum supply and low-power modes, this MCU extends battery life in wireless sensor nodes while handling periodic measurements.
Industrial HMI Displays
The built-in LCD driver and PWM outputs enable direct control of segment displays and backlight dimming in industrial control panels.
Portable Medical Devices
Operating from -40°C to 85°C and featuring LVD/POR, it ensures reliable operation in handheld diagnostic tools.
Smart Home Controllers
Combine CapSense, PWM for LED dimming, and WDT for robust operation in smart switches and thermostats.
Motor Control for Small Appliances
Use PWM channels to drive brushed DC motors with speed control, while the watchdog ensures fail-safe operation.
- Q: What is the operating voltage range of the CY8C4024LQI-S403T?
- A: It operates from 1.71V to 5.5V, supporting flexible power designs.
- Q: Does this MCU support capacitive touch sensing?
- A: Yes, it includes CapSense technology for reliable touch interfaces.
- Q: What is the maximum CPU speed?
- A: The ARM Cortex-M0+ core runs at up to 24MHz.
- Q: What package is available?
- A: It comes in a 40-UFQFN exposed pad package.
- Q: What is the operating voltage range of the CY8C4024LQI-S403T?
- A: It operates from 1.71V to 5.5V, supporting flexible power designs.
- Q: Does this MCU support capacitive touch sensing?
- A: Yes, it includes CapSense technology for reliable touch interfaces.
- Q: What is the maximum CPU speed?
- A: The ARM Cortex-M0+ core runs at up to 24MHz.
- Q: What package is available?
- A: It comes in a 40-UFQFN exposed pad package.

CY8C4024LQI-S403T.pdf