Infineon CY8C5868AXI-LP035 32-Bit MCU, LQFP35 Package for IoT Sensing & Home Appliances

Infineon CY8C5868AXI-LP035 32-Bit MCU Overview for Compact IoT & Home Control Systems

The Infineon CY8C5868AXI-LP035 is a space-efficient, low-power 32-bit microcontroller (MCU) built on the ARM Cortex-M4 core-engineered for B2B applications demanding balanced performance, miniaturization, and energy efficiency. It targets Internet of Things (IoT) (wireless environmental sensors, wearable health monitors, smart home nodes), Home Appliances (slim kitchen scales, compact air purifiers, smart thermostats), and Industrial Automation (entry-level factory sensor modules). Key integrations include: 100MHz CPU clock speed, 512KB flash memory, 64KB RAM, embedded I2C/SPI/UART connectivity, 12-bit ADC (16 channels, 500kSPS), 2.2??A typical standby current, LQFP35 (Low-Profile Quad Flat Package, 35-pin) surface-mount package, and -40??C to +85??C operating temperature-enabling reliable, compact operation of space-constrained IoT and home devices.

With compact 32-bit processing + ultra-low power design (tuned for battery-powered and space-limited use cases), it balances computing power with PCB space savings and long battery life. This makes it ideal for engineers prioritizing miniaturization (fitting tiny IoT enclosures), real-time responsiveness (handling sensor data), and energy efficiency (powering wireless IoT nodes). As part of Infineon??s PSoC 5LP series-a lineup trusted by 180,000+ developers in IoT and home appliance sectors-it meets strict quality benchmarks: RoHS 2 compliance, ISO 9001 certification, IEC 61000-6-3 EMC compliance (home/IoT environments), and 7,000+ hours of reliability testing (peripheral stability, long-term power efficiency, temperature resilience).

Senior engineers at a leading smart home sensor brand endorse it: ??This 32-bit MCU powers our wireless soil moisture sensors. Its 2.2??A standby current extended battery life to 10.8 months (up from 7.4), and the LQFP35 package cut PCB size by 40%-we now hit 99.93% sensor uptime and 96% client satisfaction.?? For more reliable compact IoT and home-focused microcontrollers, visit IC Manufacturer.

Technical Parameters of Infineon CY8C5868AXI-LP035

Key Technical Features of CY8C5868AXI-LP035 32-Bit MCU

• 100MHz ARM Cortex-M4 Core: Delivers real-time responsiveness. An IoT brand noted: ??Wireless air quality sensor data update time cut by 29%-from 0.105s to 0.075s, reducing lag complaints by 34% and improving client retention by 21%.??
• LQFP35 Space-Saving Package: Reduces PCB size. A home appliance brand shared: ??Our old LQFP64 MCU smart thermostats needed 110mm2 PCB area-this LQFP35 model uses 66mm2. We launched a ??slim?? thermostat line that secured shelf space in 5 major home improvement stores.??
• 2.2??A Ultra-Low Standby Current: Extends battery life. An IoT brand confirmed: ??Outdoor soil moisture sensor battery life up by 45%-from 7.4 months to 10.8, cutting field maintenance costs by $125,000 yearly and reducing truck rolls by 32%.??
• 512KB Flash + 64KB RAM: Fits complex compact control code. A home brand said: ??Smart air purifier fan-speed control code (465KB) fits perfectly-no external memory needed, cutting BOM costs by $0.28 per unit and simplifying supply chain for 290,000 units.??
• 16-Channel 12-Bit ADC (500kSPS): Handles multi-sensor data. An industrial brand explained: ??Entry-level factory temperature sensor monitors 12 points-no external ADC, cutting component count by 26% and assembly time by 9.5%, which saved $68,000 yearly.??

Advantages of CY8C5868AXI-LP035 vs. Typical Alternatives

Compared to LQFP64-package 32-bit MCUs (too large for tiny designs), high-power 32-bit MCUs (drains IoT batteries), and 8-bit MCUs (too slow for complex home control), this Infineon MCU solves critical B2B pain points-backed by real customer feedback:

1. Smaller Footprint Than LQFP64-Package 32-Bit MCUs: LQFP64 packages (10mm x 10mm = 100mm2) take 1.52x more space than LQFP35 (7mm x 7mm = 49mm2), making them impossible to fit in tiny IoT nodes like wearable health monitors. The LQFP35 design enables miniaturization. An IoT brand said: ??Our old LQFP64 MCU wearables were 11.8mm thick-this LQFP35 model is 6.6mm thick. We launched a ??ultra-thin?? line that grew sales by 32% in 4 months.??

2. Lower Power Than High-Power 32-Bit MCUs: High-power 32-bit MCUs (28.5mA active current) drain IoT sensor batteries in 7.4 months. The 15.5mA current extends life to 10.8 months. An IoT brand shared: ??Our old 28.5mA MCU sensors needed battery changes every 7.4 months-this 15.5mA model lasts 10.8. We saved $125,000 yearly in field costs and launched a ??long-battery?? sensor line that grew market share by 18%.??

3. Faster Processing Than 8-Bit MCUs for Home Control: 8-bit MCUs (48MHz) cause 44% longer latency in smart air purifiers, leading to delayed fan-speed adjustments. The 100MHz 32-bit core fixes this. A home brand confirmed: ??Our old 8-bit MCU purifiers took 0.175s to adjust fan speed-this 100MHz model takes 0.10s. Customer satisfaction rose by 25%, and we retained 94% of our retail clients.??

Typical Applications of Infineon CY8C5868AXI-LP035

This compact 32-bit MCU excels in space-constrained, battery-powered B2B designs-proven in these key use cases:

• Internet of Things (IoT) (Wireless Environmental Sensors): 2.2??A standby extends battery, 100MHz CPU speeds data updates. An IoT brand confirmed: ??Sensor battery life up by 45%, data lag complaints cut by 34%, we added 4 smart home platform clients and grew revenue by $310,000.??
• Home Appliances (Slim Smart Thermostats): LQFP35 fits slim designs, 12-bit ADC ensures temperature accuracy. A home brand reported: ??Thermostat thickness down by 44%, temperature error rate cut by 17%, new slim line secured a partnership with a major home services provider.??
• Industrial Automation (Entry-Level Factory Sensors): Wide temp range resists factory conditions, 512KB flash stores monitoring code. An industrial brand shared: ??Factory sensor failure rate down by 24%, maintenance costs saved $68,000 yearly, we secured a contract with a small electronics manufacturing firm.??
• Internet of Things (IoT) (Wearable Health Monitors): LQFP35 saves space, low power fits battery operation. An IoT brand noted: ??Wearable thickness cut by 44%, battery life extended by 45%, we gained FDA clearance for a new model and expanded to 2 new regional markets.??
• Home Appliances (Compact Air Purifiers): 100MHz CPU enables fast fan control, multiple UART ports support connectivity. A home brand confirmed: ??Purifier response time down by 42%, we integrated with 3 smart home ecosystems, sales rose by 29% in 6 months and reduced warranty claims by 21%.??

Frequently Asked Questions (FAQ) About Infineon CY8C5868AXI-LP035

Why is LQFP35 package better than LQFP64 for tiny IoT wearables?

Tiny IoT wearables need PCBs under 50mm2-LQFP64 (100mm2) is too large, while LQFP35 (49mm2) fits easily. The smaller package enables ultra-thin form factors. An IoT engineer said: ??Our old LQFP64 MCU wearables were 11.8mm thick-this LQFP35 model is 6.6mm thick. We launched a ??ultra-thin?? line that grew sales by 32% and secured partnerships with 2 fitness tech brands.??

How does 100MHz CPU speed improve smart air purifier performance?

Smart air purifiers need fast fan-speed adjustments to respond to air quality changes-8-bit 48MHz MCUs take 0.175s, while 100MHz cuts it to 0.10s. The faster speed reduces lag. A home engineer said: ??Our old 48MHz MCU purifiers had 29% complaints about slow response-this 100MHz model cut complaints by 34%. Customer satisfaction rose by 25%, and we retained 94% of retail clients.??

What value does 2.2??A standby current add for outdoor IoT sensors?

Outdoor IoT sensors run on batteries and spend 91% of time in standby-high standby current (3.8??A) drains batteries in 7.4 months. 2.2??A extends life to 10.8 months. An IoT engineer said: ??Our old 3.8??A sensors needed battery changes every 7.4 months-this 2.2??A model lasts 10.8. We saved $125,000 yearly in field costs and launched a ??long-battery?? line that grew market share by 18%.??

Why is a 32-bit MCU better than an 8-bit MCU for smart thermostats?

Smart thermostats need to run complex scheduling and connectivity code (465KB)-8-bit MCUs (max 64KB flash) require external memory, adding cost. The 32-bit MCU??s 512KB flash fits code natively. A home engineer said: ??Our old 8-bit MCU thermostats needed $0.37 external memory-this 32-bit model doesn??t. We saved $107,300 yearly on 290,000 units while adding 2 new scheduling features.??

How does -40??C to +85??C temperature range benefit outdoor soil moisture sensors?

Outdoor soil moisture sensors face -29??C winters and +79??C summers-narrow-range MCUs (0??C?C70??C) fail 20% of the time. The wide range ensures year-round reliability. An IoT engineer said: ??Our old 0??C?C70??C sensors failed 20% in extreme weather-this model fails 2.9%. Warranty costs dropped by $85,000 yearly, and we retained a key agricultural client serving 10,000 farms.??