Infineon CY8C4248LTI-L485 32-Bit MCU, TQFP48 Package for IoT & Consumer Electronics Control

Infineon CY8C4248LTI-L485 32-Bit MCU Overview for Secure IoT & Consumer Device Design

The Infineon CY8C4248LTI-L485 is a secure, low-power 32-bit microcontroller (MCU) based on the ARM Cortex-M4 core, engineered for B2B applications requiring embedded security, reliable processing, and manufacturing flexibility-targeted at Internet of Things (IoT) (wireless sensor nodes, smart home hubs), Consumer Electronics (smart wearables, portable health monitors), and Home Appliances (smart thermostats, connected kitchen gadgets). It integrates critical features: 100MHz CPU clock speed, 256KB flash memory, 32KB RAM, built-in secure element (SE) with AES-256 encryption, integrated analog/digital peripherals (UART, SPI, I2C, 12-bit ADC), 2.2??A typical standby current, TQFP48 surface-mount package, and -40??C to +85??C operating temperature-to enable secure, easy-to-assemble connected devices.

With low-power 32-bit processing + easy-solder packaging (tuned for IoT and consumer needs), it balances data protection with manufacturing efficiency and minimal power use. This makes it ideal for engineers prioritizing security (securing sensitive user data like health metrics), assembly ease (reducing soldering errors in small-batch production), and power efficiency (extending battery life for wireless IoT products). As part of Infineon??s PSoC 4 series-a lineup trusted by 190,000+ developers in embedded and IoT sectors-it meets strict quality benchmarks: RoHS 2 compliance, ISO 9001 certification, IEC 61000-6-3 EMC compliance (consumer/IoT environments), and 7,000+ hours of reliability testing (security validation, peripheral stability, long-term power efficiency).

Senior engineers at a leading smart wearable brand endorse it: ??This 32-bit MCU powers our fitness trackers. It cut BOM costs by 28% (no external security chips) and the TQFP48 package reduced soldering errors by 22%. We now hit 99.92% device uptime and 97% client satisfaction.?? For more reliable secure IoT and consumer electronics components, visit IC Manufacturer.

Technical Parameters of Infineon CY8C4248LTI-L485

Key Technical Features of CY8C4248LTI-L485 32-Bit MCU

• Embedded Secure Element (SE) with AES-256: Eliminates external security chips. A health monitor brand noted: ??Cut BOM costs by 28%-no need for $0.48 external SE. We saved $240,000 yearly on 500,000 monitors and passed HIPAA compliance for health data.??
• 100MHz 32-Bit CPU with FPU: Ensures real-time processing. A wearable brand shared: ??Fitness tracker heart rate updates dropped from 0.18s to 0.12s-user complaints about lag fell by 36%, and repeat purchases rose by 23%.??
• TQFP48 Easy-Solder Package: Reduces manufacturing errors. A consumer brand confirmed: ??25% easier soldering vs. QFN48-soldering error rate dropped from 18% to 11%, saving $55,000 yearly on rework and boosting production throughput by 10%.??
• 2.2??A Ultra-Low Standby Current: Extends battery life. An IoT brand said: ??Wireless sensor standby power dropped by 38%-battery life extended by 2.4 months, cutting field maintenance costs by $150,000 yearly and reducing truck rolls by 30%.??
• 16-Channel 12-Bit ADC (1MSPS): Captures multi-sensor data. A smart home brand explained: ??Monitors 13 home metrics (temp, humidity, motion)-no external ADC, cutting component count by 26% and design time by 14%.??

Advantages of CY8C4248LTI-L485 vs. Typical Alternatives

Compared to 8-bit consumer MCUs, high-power 32-bit MCUs, and QFN48-package 32-bit MCUs, the CY8C4248LTI-L485 solves critical B2B pain points-backed by real customer feedback:

1. Faster Processing Than 8-Bit Consumer MCUs: 8-bit consumer MCUs (40MHz max) have 2.5x slower clock speeds, causing 30% longer latency in wearable health tracking. The 100MHz 32-bit design eliminates delays. A wearable brand said: ??Our old 8-bit MCU trackers had 0.18s heart rate lag-this 32-bit model has 0.12s. User satisfaction rose by 27%, and we gained a partnership with a major sports apparel brand.??

2. Lower Power Than High-Power 32-Bit MCUs: High-power 32-bit MCUs (30mA active current) drain IoT sensor batteries in 3.5 days. The 14mA current extends life to 7.9 days. An IoT brand shared: ??Our old 30mA MCU sensor needed battery changes every 3.5 days-this 14mA model lasts 7.9. We saved $160,000 yearly in field costs and launched a ??low-upkeep?? sensor line that grew sales by 25%.??

3. Easier Manufacturing Than QFN48-Package 32-Bit MCUs: QFN48 packages require precision soldering (error rate 18%) and specialized equipment, while TQFP48 works with standard tools (error rate 11%). A consumer brand confirmed: ??Our old QFN48 MCU wearables had 18% soldering errors-this TQFP48 model has 11%. We saved $55,000 on rework, and production teams reported 28% less assembly time per unit.??

Typical Applications of Infineon CY8C4248LTI-L485

This secure, easy-to-assemble 32-bit MCU excels in data-sensitive, small-batch B2B designs-proven in these key use cases:

• Internet of Things (IoT) (Wireless Sensor Nodes): Embedded SE secures data, low standby extends battery. An IoT brand confirmed: ??Sensor data breach risk dropped to 0%, battery life up by 2.4 months, maintenance costs reduced by $150,000 yearly.??
• Consumer Electronics (Smart Wearables): 100MHz CPU speeds tracking, TQFP48 eases assembly. A wearable brand reported: ??Tracker thickness kept at 5.7mm, soldering errors down by 22%, client satisfaction grew to 97% and repeat buys rose by 23%.??
• Home Appliances (Smart Thermostats): Wide voltage fits home systems, multi-channel ADC monitors environment. A home appliance brand shared: ??Thermostat BOM parts cut by 26%, energy use down by 22%, sales rose by 24% in 6 months and we added 3 eco-retail partners.??
• Consumer Electronics (Portable Health Monitors): AES-256 secures health data, high-speed ADC ensures accuracy. A health brand noted: ??Health metric accuracy hit 99.8%, HIPAA compliance achieved, we added 5 pharmacy retail partners and reduced warranty claims by 18%.??
• Internet of Things (IoT) (Smart Home Hubs): Embedded SE secures device connections, TQFP48 simplifies prototyping. An IoT brand confirmed: ??Hub connection reliability hit 99.91%, prototyping time cut by 14%, we partnered with 6 smart home ecosystem brands and expanded to 4 new markets.??

Frequently Asked Questions (FAQ) About Infineon CY8C4248LTI-L485

Why is embedded secure element (SE) important for portable health monitors?

Portable health monitors store sensitive data (e.g., blood pressure, glucose levels) that must comply with regulations like HIPAA. External SE adds $0.48 to BOM costs, while integrated SE eliminates this. A health engineer said: ??Our old monitor with external SE failed HIPAA audits-this model??s integrated SE passed. We saved $240,000 yearly and sold to 4 new healthcare providers, expanding our market reach.??

How does 100MHz 32-bit CPU with FPU benefit smart wearables like fitness trackers?

Fitness trackers need to process heart rate data and sync with phones in real time-8-bit MCUs (40MHz) cause lag, leading to user frustration and negative reviews. The 100MHz FPU CPU cuts latency. A wearable engineer said: ??Our old 8-bit tracker had 0.18s heart rate lag-this 32-bit model has 0.12s. Lag complaints dropped by 36%, and repeat purchases rose by 23%, boosting customer loyalty.??

What value does TQFP48 package add for small-batch consumer device production?

Small-batch production often uses standard soldering equipment-QFN48 packages need expensive precision tools (error rate 18%), while TQFP48 works with standard gear (error rate 11%). A consumer engineer said: ??QFN48 rework cost $55,000 yearly-TQFP48 eliminated that. We also cut assembly time by 10%, letting us fulfill small orders 2 days faster and win 15% more custom wearable projects.??

How does 2.2??A standby current extend IoT sensor battery life?

IoT sensors spend 92% of time in standby-high standby current (3.5??A) drains 3.7V batteries in 4.2 days. 2.2??A extends life to 6.8 days. An IoT engineer said: ??Our old 3.5??A sensor lasted 4.2 days-this 2.2??A model lasts 6.8. We cut battery changes by 38%, saved $150,000 yearly on field labor, and retained 95% of our industrial IoT clients.??

Why is -40??C to +85??C temperature range suitable for outdoor IoT sensors?

Outdoor IoT sensors face -35??C winters and +80??C summers-narrow-range MCUs (0??C?C70??C) fail 18% of the time, causing downtime and costly replacements. The wide range ensures year-round reliability. An IoT engineer said: ??Our old 0??C?C70??C sensor failed 18% in winter-this model fails 2%. Warranty costs dropped by $95,000 yearly, and we secured a smart city client for 15,000 outdoor air quality sensors.??