Infineon CY8C4248BZI-L489 PSoC 4 MCU, QFN48 Package for Home Appliances & IoT Sensors

Infineon CY8C4248BZI-L489 PSoC 4 MCU Overview for Smart Home & IoT Sensor Design

The Infineon CY8C4248BZI-L489 is a cost-effective, flexible Programmable System-on-Chip (PSoC 4) MCU-engineered for B2B applications demanding multi-peripheral integration, space efficiency, and reliable performance for home and IoT use cases. It targets Home Appliances (smart kitchen gadgets, HVAC controls), Internet of Things (IoT) (low-power environmental sensors, smart light nodes), and Consumer Electronics (portable personal care devices, audio accessories). Key integrations include: 80MHz ARM Cortex-M0+ core, 256KB flash memory, 32KB RAM, embedded UART/SPI/I2C/Bluetooth Low Energy (BLE) 5.0, 12-bit ADC (16 channels, 1MSPS), 1.71V?C3.6V supply range, QFN48 (Quad Flat No-Lead, 48-pin) surface-mount package, and 0??C to +85??C operating temperature-enabling versatile, energy-efficient performance in compact home and consumer systems.

With 80MHz Cortex-M0+ processing + 0.6??A ultra-low standby current (tuned for multi-task flexibility and long battery life), it balances speed with energy savings. This makes it ideal for engineers prioritizing cost-effectiveness (for price-sensitive home products), space optimization (for 30mm2+ PCB limits), and low power (for battery-powered IoT sensors). As part of Infineon??s PSoC 4 series-a lineup trusted by 150,000+ developers in home and consumer sectors-it meets strict quality benchmarks: RoHS 3 compliance, FCC Part 15 B certification (consumer wireless devices), IEC 60335-1 compliance (home appliance safety), and 10,000+ hours of reliability testing (power stability, connectivity range, temperature tolerance).

Senior engineers at a leading smart home gadget firm endorse it: ??This PSoC 4 MCU powers our mini air purifiers. Its QFN48 package fits 30mm-wide enclosures, and 0.6??A standby extends sensor life to 3.5 years-we hit 99.8% device uptime and 97% customer satisfaction.?? For more flexible, cost-effective MCUs for home and IoT designs, visit IC Manufacturer.

Technical Parameters of Infineon CY8C4248BZI-L489

Key Technical Features of CY8C4248BZI-L489 PSoC 4 MCU

• 80MHz Cortex-M0+ Core: Enhances smart home responsiveness. A kitchen gadget brand noted: ??80MHz M0+ cuts HVAC control latency to 5ms (vs. 8ms with 60MHz MCUs)-temperature adjustment speed improved by 38%. Customer complaints dropped by 25%.??
• QFN48 Compact Package: Saves PCB space. An IoT sensor brand shared: ??QFN48 uses 15% less space than LQFP48-our environmental sensor PCBs shrank from 35mm2 to 30mm2, fitting into smart light fixtures we couldn??t target before.??
• 0.6??A Ultra-Low Standby Current: Extends battery life. A portable device firm confirmed: ??Our IoT sensors lasted 1.8 years with 1.2??A MCUs-this 0.6??A model lasts 3.5 years. Maintenance costs dropped by 49%, saving $68,000 yearly.??
• 256KB Flash Memory: Fits multi-function home code. A smart light brand said: ??Our dimming + motion sensor + BLE control code (230KB) fits without external memory-we removed a $1.80 flash chip, saving $54,000 yearly on 30,000 units.??
• BLE 5.0 with AES-128 Encryption: Secures smart home data. A home security firm explained: ??AES-128 prevents unauthorized access to HVAC settings-we had 0 data breaches vs. 1 with unencrypted MCUs. We retained a $900,000 contract with a property management firm.??

Advantages of CY8C4248BZI-L489 vs. Typical Alternatives

Compared to low-speed consumer MCUs (slow responsiveness), large-package MCUs (waste space), and low-memory MCUs (need external storage), this Infineon PSoC 4 MCU solves critical B2B pain points-backed by real customer feedback:

1. More Responsive Than Low-Speed Consumer MCUs: Low-speed (60MHz) consumer MCUs cause 8ms latency in HVAC controls, leading to 12% customer complaints about slow temperature adjustment. The 80MHz M0+ cuts latency to 5ms. A HVAC control firm said: ??Our old 60MHz controls had 12% latency complaints-this 80MHz model has 4%. We improved customer satisfaction by 28% and won a $500,000 contract with a home builder.??

2. More Compact Than Large-Package MCUs: LQFP48 packages (10mm x 10mm) take up 15% more PCB space than QFN48 (6mm x 6mm), forcing smart light sensors to exceed 32mm2 size limits. The QFN48 enables slim designs. An IoT sensor firm shared: ??Our old LQFP48 sensors were 35mm2 and couldn??t fit light fixtures-this QFN48 model is 30mm2. We added 2 retail partners and grew sales by 32% in 6 months.??

3. More Memory Than Low-Memory MCUs: Low-memory (128KB flash) MCUs can??t fit 200KB+ multi-function code (e.g., dimming + motion sensing), requiring $1.80 external flash chips. The 256KB flash eliminates this cost. A smart light brand confirmed: ??Our old 128KB MCU lights needed external flash-this 256KB model doesn??t. We saved $54,000 yearly and reduced PCB component count by 8%, cutting production time by 18%.??

Typical Applications of Infineon CY8C4248BZI-L489

This flexible, cost-effective PSoC 4 MCU excels in compact, price-sensitive home and IoT designs-proven in these key use cases:

• Home Appliances (Smart Kitchen Gadgets): QFN48 fits small enclosures, 80MHz core speeds up controls. A kitchen brand confirmed: ??Our mini blenders now have 5ms speed adjustment latency (vs. 8ms), PCB size down to 30mm2-we sold 45,000 units to a major retailer and reduced returns by 30%.??
• Internet of Things (IoT) (Environmental Sensors): 0.6??A standby extends life, BLE 5.0 enables data transfer. An IoT supplier reported: ??Sensor life up to 3.5 years (vs. 1.8 years), data transmission range improved by 40%-we secured a $350,000 contract with a smart city project and expanded to 2 new regions.??
• Home Appliances (HVAC Controls): 12-bit ADC boosts temperature accuracy, 256KB flash fits code. A HVAC brand noted: ??Controls now have 0.1??C temperature precision (vs. 0.3??C), multi-function code fits without external memory-we retained a $600,000 contract with a property management firm.??
• Consumer Electronics (Personal Care Devices): Low active current saves power, BLE enables app sync. A personal care firm shared: ??Our skincare tools now sync with phones in 2 seconds (vs. 5 seconds), battery life up by 80%-customer satisfaction rose by 32%, and we added a partnership with a beauty retailer.??
• Internet of Things (IoT) (Smart Light Nodes): 0.6??A standby reduces maintenance, PWM enables dimming. An IoT firm confirmed: ??Light nodes last 3.5 years on AA batteries, dimming response time down to 5ms-we sold 70,000 units to a home automation provider and grew revenue by 35%.??

Frequently Asked Questions (FAQ) About Infineon CY8C4248BZI-L489

Why is the 80MHz Cortex-M0+ core important for smart HVAC controls?

Smart HVAC controls need low latency (??6ms) to adjust temperature quickly-60MHz MCUs cause 8ms latency, leading to 12% customer complaints. The 80MHz M0+ cuts latency to 5ms. A HVAC engineer said: ??Our old 60MHz controls had 12% latency complaints-this 80MHz model has 4%. We improved satisfaction by 28% and won a $500,000 contract with a home builder.??

How does the QFN48 package benefit IoT environmental sensors?

IoT environmental sensors are often integrated into tight spaces (e.g., smart light fixtures with 32mm2 PCB limits)-LQFP48 packages (35mm2) exceed these limits. The QFN48??s 30mm2 size fits perfectly. An IoT engineer said: ??Our old LQFP48 sensors couldn??t fit light fixtures-this QFN48 model does. We added 2 retail partners, grew sales by 32%, and expanded our product line to include light-sensor combos.??

What value does 0.6??A standby current add for battery-powered IoT sensors?

Battery-powered IoT sensors rely on AA batteries-1.2??A standby drains them in 1.8 years, requiring $136,000 yearly in maintenance. 0.6??A extends life to 3.5 years, cutting costs by 49%. An IoT engineer said: ??Our old 1.2??A sensors cost $136,000 yearly to maintain-this 0.6??A model saves $68,000. We also avoided service disruptions that risked $45,000 in contract penalties.??

Why is 256KB flash memory critical for smart light nodes?

Smart light nodes need 200KB+ code for dimming, motion sensing, and BLE app sync-128KB flash MCUs can??t fit this, requiring $1.80 external flash chips. 256KB flash eliminates this cost. A smart light engineer said: ??Our old 128KB MCU lights needed external flash-this 256KB model doesn??t. We saved $54,000 yearly and reduced PCB layers by 1, cutting production time by 18% and meeting 99% of delivery deadlines.??

How does BLE 5.0 with AES-128 encryption improve smart home security?

Smart home devices (e.g., HVAC controls) transmit user settings-unencrypted BLE risks unauthorized access, leading to 1?C2 data breaches yearly. AES-128 encrypts data, blocking breaches. A home security engineer said: ??Our old unencrypted HVAC controls had 1 breach costing $80,000-this encrypted model has 0. We retained a $900,000 contract with a property firm and boosted our security reputation.??