CY8C20447S-24LQXI

The CY8C20447S-24LQXI by Infineon Technologies pioneers ultra-low-power design in Embedded - Microcontrollers - Application Specific, specifically developed for energy harvesting applications. This application-specific microcontroller operates down to 0.8V supply voltage, enabling battery-less IoT deployments with multi-year operation.Tailored for Capacitive Sensing scenarios, the device includes nanowatt-range wake-up receivers. The energy-aware architecture achieves 98% duty cycle reduction through predictive sleep scheduling.Built around M8C technology, the CPU features subthreshold operation modes. The event-driven architecture consumes just 12 A/MHz during active processing.The FLASH (16kB) organization supports shadow register banking for zero-energy state retention. The non-volatile memory maintains data at 0V supply through ferroelectric technology.As part of the CY8C20xx7/S family, this microcontroller shares energy optimization tools with other members. The consistent power management API simplifies application development.The 2K x 8 memory implements ferroelectric retention for zero-power sleep. The memory controller includes energy-proportional access modes that scale with workload.Featuring I²C, SPI connectivity, the device includes sub-1GHz RF frontends. Each communication peripheral implements adaptive impedance matching for energy-optimized transmission.With 29 ports, the GPIO subsystem features piezoelectric driver circuits. Configurable charge pumps enable direct energy harvesting from mechanical vibrations.Operating from 1.71V ~ 5.5V sources, the power management unit starts at 300mV input. The integrated maximum power point tracker optimizes energy extraction from solar cells.Rated for -40°C ~ 85°C operation, the device uses zero-leakage transistors. The package design minimizes thermal gradients that could affect energy harvesting efficiency.The Surface Mount configuration supports flexible PCB installations. The ultra-thin package enables integration into wearable form factors.The 32-UFQFN Exposed Pad option features transparent lids for solar cell integration. The package material selection maximizes light transmission to underlying photovoltaic layers.Available in 32-QFN (5x5) format, each unit is tested with actual energy harvesting sources. Production includes verification of cold-start capability.