Infineon Technologies CY8C4025AZI-S403T

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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 36
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 A/D 1x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 48-TQFP (7x7)
Package / Case 48-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Infineon CY8C4025AZI-S403T is an ARM Cortex-M0+ MCU running at 24MHz with 32KB flash and 4KB RAM. It operates from 1.71V to 5.5V in a 48-LQFP package. Integrated CapSense, LCD, LVD, POR, PWM, and WDT make it a versatile choice for touch-enabled and industrial applications.

  • Integrated CapSense: Eliminates external touch ICs, reducing BOM cost.
  • Wide voltage (1.71V-5.5V): Supports both 1.8V and 5V logic systems.
  • ARM Cortex-M0+ ecosystem: Easy development with standard tools.
  • Rich analog/peripheral set: LCD, PWM, and safety features in one chip.

Touch-Sensitive Control Panels

CapSense hardware and 24MHz Cortex-M0+ enable responsive user interfaces in appliances.

Industrial HMI Displays

LCD driver and PWM support segmented displays in process control equipment.

Smart Home Thermostats

1.71V operation and low-power modes extend battery life in wireless thermostats.

Portable Health Monitors

32KB flash and 4KB RAM handle biometric algorithms in fitness bands.

Automotive Climate Controls

Wide voltage range and POR ensure stable operation in vehicle HVAC modules.

Consumer Electronics

CapSense replaces mechanical buttons in remote controls and wearables.

Q: What core does this use?
A: ARM Cortex-M0+ at 24MHz.
Q: What is the voltage range?
A: 1.71V to 5.5V, flexible for mixed-voltage systems.
Q: Does it support touch sensing?
A: Yes, integrated CapSense for capacitive touch interfaces.
Q: What package is available?
A: 48-LQFP, suitable for medium-complexity PCBs.
Base Product Number : CY8C4025AZI-S403
24MHz 32-bit MCU 32KB Flash 4KB RAM ARM Cortex-M0+ CapSense HMI IoT LCD LQFP-48 Touch
Q: What core does this use?
A: ARM Cortex-M0+ at 24MHz.
Q: What is the voltage range?
A: 1.71V to 5.5V, flexible for mixed-voltage systems.
Q: Does it support touch sensing?
A: Yes, integrated CapSense for capacitive touch interfaces.
Q: What package is available?
A: 48-LQFP, suitable for medium-complexity PCBs.