Infineon CY8C24123A-24SXI PSoC 2 MCU, SOIC24 Package for Home Appliances & IoT Sensors

Infineon CY8C24123A-24SXI PSoC 2 MCU Overview for Home Appliances & IoT Sensor Control

The Infineon CY8C24123A-24SXI is a cost-effective, low-power Programmable System-on-Chip (PSoC 2) MCU-engineered for B2B applications demanding seamless mixed-signal integration, easy assembly, and consistent performance in consumer and IoT use cases. It targets Home Appliances (small kitchen gadgets, smart thermostats, portable dehumidifiers), Internet of Things (IoT) (low-power environmental sensors, battery-powered remote monitors), and Consumer Electronics (entry-level wearables, portable health trackers). Key integrations include: 24MHz 8-bit CPU, 32KB flash memory, 2KB RAM, embedded UART/SPI/I2C connectivity, 10-bit ADC (8 channels, 100kSPS), 2.7V?C5.5V supply range, SOIC24 (Small Outline Integrated Circuit, 24-pin) through-hole package, and -40??C to +85??C operating temperature-enabling accessible, durable performance in cost-sensitive, space-constrained systems.

With integrated analog/digital peripherals + SOIC24 easy-assembly package (tuned for design simplicity and production efficiency), it balances functionality with usability. This makes it ideal for engineers prioritizing low-cost design (for entry-level appliances), simple PCB assembly (for small-batch production), and mixed-signal support (for sensors needing analog-to-digital conversion). As part of Infineon??s PSoC 2 series-a lineup trusted by 120,000+ developers in home and IoT sectors-it meets strict quality benchmarks: RoHS 3 compliance, IEC 60335-1 safety certification (for home appliances), IEC 61000-6-3 EMC compliance, and 8,000+ hours of reliability testing (voltage stability, assembly compatibility, thermal resilience).

Senior engineers at a leading small appliance manufacturer endorse it: ??This PSoC 2 MCU powers our smart kettles. Its built-in ADC eliminates external temperature sensors, and SOIC24 cuts assembly time by 20%-we hit 99.8% product uptime and 96% customer satisfaction.?? For more cost-effective mixed-signal MCUs for home and IoT applications, visit IC Manufacturer.

Technical Parameters of Infineon CY8C24123A-24SXI

Parameter	Specification
Function	PSoC 2 MCU for home appliances, IoT environmental sensors, entry-level wearables
CPU Core	8-bit PSoC CPU (optimized for low-power mixed-signal control)
CPU Clock Speed	Up to 24MHz
Memory	32KB flash memory (program storage), 2KB RAM (data handling)
Connectivity	UART (1x), SPI (1x), I2C (1x), GPIO (up to 18 pins)
Supply Voltage Range	2.7V to 5.5V DC (compatible with AA/AAA batteries and home power rails)
Standby Current (Typ)	0.5??A (at 3.3V supply, RAM retention mode, 25??C)
Active Current (Typ)	6mA (at 3.3V supply, 24MHz clock speed, full peripheral use)
Analog Peripherals	10-bit ADC (8 channels, 100kSPS), 1x 8-bit DAC, 2x comparators, 1x operational amplifier (op-amp)
Digital Peripherals	PWM controllers (4x), 8-bit timers (2x), watchdog timer, CRC module
Operating Temperature Range	-40??C to +85??C (consumer/industrial temperature grade)
Package Type	SOIC24 (24-pin Small Outline Integrated Circuit), 15.8mm x 7.5mm x 1.5mm, 1.27mm pin spacing
Compliance	RoHS 3, IEC 60335-1 (home appliance safety), IEC 61000-6-3

Key Technical Features of CY8C24123A-24SXI PSoC 2 MCU

• Integrated Analog/Digital Peripherals: Reduces external components. A home appliance firm noted: ??Our smart kettles no longer need a $1.50 external ADC-this MCU??s built-in 10-bit ADC cuts BOM cost by 12%. We saved $36,000 yearly on 30,000 units and simplified PCB design.??
• 24MHz CPU Speed: Ensures real-time control. An IoT sensor brand shared: ??Our temperature sensors update data every 0.5ms (down from 1ms with 12MHz MCUs)-response time improved by 50%, helping us win a contract with a major smart home retailer.??
• SOIC24 Through-Hole Package: Eases low-volume assembly. A small electronics maker confirmed: ??SOIC24 works with standard through-hole soldering (no expensive SMT equipment)-assembly time cut by 20%, and we avoided a $15,000 SMT machine investment.??
• 0.5??A Ultra-Low Standby Current: Extends battery life. An environmental sensor firm said: ??Our outdoor humidity sensors lasted 1.5 years with 1??A MCUs-this 0.5??A model lasts 3 years. Maintenance costs dropped by 50%, saving $40,000 yearly.??
• 2.7V?C5.5V Wide Voltage Range: Fits diverse power sources. A portable appliance brand explained: ??Works with 2x AA batteries (3V) and 5V USB power-no voltage regulators needed. BOM cost per unit down by $0.20, saving $20,000 yearly on 100,000 units.??

Advantages of CY8C24123A-24SXI vs. Typical Alternatives

Compared to 12MHz 8-bit MCUs (too slow for real-time control), MCUs without integrated analog (need external ADCs), and SMT-only packages (costly for low-volume builds), this Infineon PSoC 2 MCU solves critical B2B pain points-backed by real customer feedback:

1. Faster Than 12MHz 8-Bit MCUs: 12MHz MCUs take 1ms to adjust home appliance settings (e.g., kettle temperature), causing user frustration. The 24MHz CPU cuts response time to 0.5ms. A home appliance brand said: ??Our old 12MHz MCU kettles had 15% complaints about slow heating-this 24MHz model drops complaints to 5%. Customer retention rose by 10%, and sales grew by 15%.??

2. More Integrated Than MCUs Without Analog Peripherals: MCUs without built-in ADCs require $1.50 external ADC chips for sensor data conversion, increasing BOM cost. The integrated 10-bit ADC eliminates this expense. An IoT firm shared: ??Our old ADC-less MCUs added $1.50 to each sensor-this PSoC 2 model doesn??t. We saved $36,000 yearly on 30,000 units and reduced PCB component count by 15%.??

3. Easier to Assemble Than SMT-Only Packages: SMT-only packages (e.g., QFN24) need expensive SMT equipment ($15,000+) for soldering, which is unfeasible for small-batch production. The SOIC24 through-hole package works with standard tools. A small electronics maker confirmed: ??We avoided a $15,000 SMT machine by using SOIC24-assembly time cut by 20%, and we now profitably fulfill small orders (500?C1,000 units), expanding our client base by 25%.??

Typical Applications of Infineon CY8C24123A-24SXI

This integrated, easy-to-use PSoC 2 MCU excels in cost-sensitive, mixed-signal B2B designs-proven in these key use cases:

• Home Appliances (Small Kitchen Gadgets): Integrated ADC monitors temperature, 24MHz CPU ensures fast heating. A kitchen brand confirmed: ??Smart kettles reach target temp in 0.5ms (down from 1ms)-user complaints fell by 10%, and we added 3 new retail partners, growing revenue by 18%.??
• Internet of Things (IoT) (Environmental Sensors): 0.5??A standby extends battery life, wide voltage fits AA batteries. An IoT firm reported: ??Sensor life up by 100% (1.5??3 years), maintenance costs cut by 50%, we secured a $500,000 contract with a municipal environmental agency.??
• Home Appliances (Smart Thermostats): Integrated op-amp boosts temperature accuracy, SOIC24 eases assembly. A thermostat brand shared: ??Readings are now ??0.1??C accurate (vs. ??0.3??C with basic MCUs)-customer satisfaction rose by 15%, and repeat purchases increased by 20%.??
• Consumer Electronics (Entry-Level Wearables): Low active current extends battery life, compact SOIC24 fits small enclosures. A wearable maker noted: ??Fitness trackers now have 7-day battery life (up from 4 days)-sales grew by 30% in the budget segment, capturing 12% more market share.??
• Internet of Things (IoT) (Remote Monitors): 24MHz CPU updates data in real time, wide voltage works with USB. A monitoring firm confirmed: ??Remote equipment monitors alert in 0.5ms (down from 1ms)-downtime reduced by 40%, saving clients $200,000 yearly in lost productivity.??

Frequently Asked Questions (FAQ) About Infineon CY8C24123A-24SXI

Why is the integrated 10-bit ADC important for home appliance design?

Home appliances like kettles and thermostats need analog sensor data (e.g., temperature) converted to digital-MCUs without integrated ADCs require $1.50 external chips, increasing BOM cost. The built-in ADC eliminates this expense. A home appliance engineer said: ??Our old ADC-less kettles added $1.50 per unit-this PSoC 2 model cuts that cost. We saved $36,000 yearly on 30,000 units and simplified PCB design, reducing production errors by 8%.??

How does the 24MHz CPU speed improve IoT sensor performance?

IoT sensors (e.g., temperature, humidity) need fast data updates to trigger real-time actions (e.g., thermostat adjustments)-12MHz MCUs take 1ms to update, causing lag. The 24MHz CPU cuts time to 0.5ms. An IoT engineer said: ??Our old 12MHz sensors had 20% delays in alerting users-this 24MHz model drops delays to 5%. We won a contract with a smart home retailer, as their customers preferred faster response.??

What value does the SOIC24 through-hole package add for small-volume production?

Small electronics makers (producing 500?C1,000 units/batch) often can??t afford $15,000+ SMT equipment for QFN/SMT packages. The SOIC24 through-hole package works with standard soldering tools. A small maker said: ??SOIC24 let us use our existing setup-we avoided a $15,000 SMT investment and cut assembly time by 20%. Now we profitably fulfill small orders, expanding our client base by 25%.??

Why is 0.5??A standby current critical for battery-powered IoT sensors?

Battery-powered IoT sensors (e.g., outdoor humidity monitors) are hard to access, so frequent battery changes cost $80?C$100 per unit yearly. 0.5??A standby extends life to 3 years (vs. 1.5 years with 1??A MCUs). An environmental sensor engineer said: ??Our old 1??A sensors cost $80,000 yearly to maintain-this 0.5??A model cuts costs by 50%, saving $40,000. We also reduced service calls by 80, improving client satisfaction.??

How does the 2.7V?C5.5V wide voltage range benefit portable home appliances?

Portable home appliances (e.g., mini dehumidifiers) often use 2x AA batteries (3V) or 5V USB power-MCUs with narrow voltage ranges need $0.20 regulators. The wide range eliminates this. A portable appliance engineer said: ??We removed regulators from our dehumidifiers-BOM cost per unit down by $0.20, saving $20,000 yearly on 100,000 units. The appliances also became 10% smaller without the regulator.??