Infineon CY8C27543-24AXI 8-Bit MCU Overview for Home Appliance & Industrial Sensor Control
The Infineon CY8C27543-24AXI is a cost-effective, easy-to-integrate 8-bit microcontroller (MCU) designed for B2B applications that demand basic control, simplified manufacturing, and energy efficiency-targeted at Home Appliances (smart blenders, kitchen thermometers, washing machine control panels), Industrial Automation (low-power sensor nodes, factory monitoring devices), and Internet of Things (IoT) (entry-level home sensing gadgets). It integrates critical features: 24MHz CPU clock speed, 32KB flash memory, 2KB RAM, versatile analog/digital peripherals (UART, SPI, I2C, 10-bit ADC), 4.2??A typical standby current, SOIC24 surface-mount package, and -40??C to +85??C operating temperature-to enable straightforward, reliable control of household and light industrial devices.
With entry-level 8-bit control + easy-layout packaging (tuned for home and light industrial needs), it balances affordability with manufacturing flexibility and minimal power use. This makes it ideal for engineers prioritizing cost efficiency (reducing BOM expenses for high-volume appliances), design simplicity (simplifying PCB layout for small teams), and basic power management (cutting idle energy use in always-on devices). As part of Infineon??s PSoC 2 series-a lineup trusted by 170,000+ developers in home appliance and industrial sensing sectors-it meets strict quality benchmarks: RoHS 2 compliance, ISO 9001 certification, IEC 61000-6-2/-3 EMC compliance (industrial/home environments), and 6,000+ hours of reliability testing (peripheral stability, long-term power efficiency, temperature resilience).
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Senior engineers at a leading home appliance brand endorse it: ??This 8-bit MCU powers our smart blenders. It cut BOM costs by 20% vs. 32-bit MCUs, and the SOIC24 package reduced our PCB design time by 18%. We now hit 99.91% appliance uptime and 95% client satisfaction.?? For more reliable home appliance and industrial sensor microcontrollers, visit IC Manufacturer.
Technical Parameters of Infineon CY8C27543-24AXI
| Parameter | Specification |
|---|---|
| Function | 8-bit MCU for home appliance control, industrial sensor monitoring, and entry-level IoT sensing |
| CPU Core | 8-bit proprietary core (optimized for low-power, basic real-time control tasks) |
| CPU Clock Speed | Up to 24MHz |
| Memory | 32KB flash memory (program storage), 2KB RAM (data handling) |
| Supply Voltage Range | 2.7V to 5.5V DC (compatible with 3.3V IoT and 5V home/industrial systems) |
| Standby Current (Typ) | 4.2??A (at 3.3V supply, RAM retention mode, 25??C) |
| Active Current (Typ) | 8mA (at 3.3V supply, 24MHz clock speed, full peripheral use) |
| Integrated Peripherals | Digital: 3x UART, 2x SPI, 1x I2C, 20x GPIO pins; Analog: 10-bit ADC (8 channels, 100kSPS), 1x comparator |
| Operating Temperature Range | -40??C to +85??C (industrial/home temperature grade) |
| Package Type | SOIC24 (24-pin Small Outline Integrated Circuit), 15.8mm x 7.5mm x 1.5mm dimensions (surface-mount, 1.27mm pin spacing) |
| Compliance | RoHS 2 compliant, ISO 9001 certified, IEC 61000-6-2/-3 |
Key Technical Features of CY8C27543-24AXI 8-Bit MCU
- 24MHz 8-Bit CPU: Balances speed and cost. A home appliance brand noted: ??Smart blender speed-control response time cut by 15%-we now avoid over-blending issues, reducing customer returns by 22% and saving $75,000 yearly in warranty costs.??
- 32KB Flash + 2KB RAM: Fits basic control code. An industrial brand shared: ??Factory temperature sensor code (28KB) fits perfectly-no external memory needed, cutting BOM costs by $0.20 per unit and simplifying supply chain management.??
- SOIC24 Easy-Layout Package: Simplifies PCB design. A home brand confirmed: ??40% easier layout vs. QFN24-our small design team cut blender PCB development time from 10 days to 8, letting us launch 2 new models 2 weeks early and capture 12% more market share.??
- 4.2??A Low Standby Current: Cuts idle power. A smart home brand said: ??Always-on kitchen thermometer idle power use dropped by 30%-meets EU energy efficiency standards, helping us enter 4 new European retail chains and grow sales by 19%.??
- 8-Channel 10-Bit ADC (100kSPS): Handles basic sensor data. An industrial brand explained: ??Factory humidity sensor monitors 6 points-no external ADC, cutting component count by 24% and assembly time by 9%, which saved $60,000 yearly.??
Advantages of CY8C27543-24AXI vs. Typical Alternatives
Compared to 32-bit MCUs (overkill for basic control), low-clock 8-bit MCUs (too slow for timing-critical tasks), and QFN24-package 8-bit MCUs (hard to layout), the CY8C27543-24AXI solves critical B2B pain points-backed by real customer feedback:
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1. Lower Cost Than 32-Bit MCUs for Basic Control: 32-bit MCUs cost 40% more than this 8-bit model but offer no extra value for smart blenders or simple sensors. The 8-bit design cuts BOM expenses. A home brand said: ??Our old 32-bit MCU blenders cost $0.95 per unit-this 8-bit model costs $0.57. We saved $190,000 yearly on 500,000 units while keeping the same reliable speed control.??
2. Faster Timing Than Low-Clock 8-Bit MCUs: Low-clock 8-bit MCUs (12MHz) cause 25% slower sensor response in factories, leading to delayed alerts for temperature spikes. The 24MHz speed fixes this. An industrial brand shared: ??Our old 12MHz MCU sensors took 0.12s to trigger temperature alerts-this 24MHz model takes 0.08s. Equipment overheating incidents dropped by 18%, avoiding $80,000 in production losses.??
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3. Easier Layout Than QFN24-Package 8-Bit MCUs: QFN24 packages require precise PCB routing (challenging for small teams) and specialized soldering tools, while SOIC24 uses standard 1.27mm pin spacing. A home brand confirmed: ??Our old QFN24 MCU blenders needed a senior designer for PCB layout-this SOIC24 model lets junior designers handle it. We cut design labor costs by $55,000 yearly and reduced layout errors by 26%.??
Typical Applications of Infineon CY8C27543-24AXI
This easy-to-use 8-bit MCU excels in cost-sensitive, low-complexity B2B designs-proven in these key use cases:
- Home Appliances (Smart Blenders): 24MHz CPU controls speed reliably, SOIC24 eases layout. A home brand confirmed: ??Blender over-blending returns down by 22%, PCB design time cut by 18%, new models launched early-sales grew by 19% in Q3.??
- Industrial Automation (Factory Temperature Sensors): 8-channel ADC monitors heat, low standby cuts power. An industrial brand reported: ??Temperature alert latency down by 33%, sensor power use reduced by 30%, equipment overheating incidents dropped by 18%.??
- Internet of Things (IoT) (Entry-Level Home Sensors): Low cost fits budget gadgets, wide voltage works with home systems. An IoT brand shared: ??Sensor BOM costs cut by $0.20, EU energy compliance achieved, we added 4 European retailers-revenue up by $280,000.??
- Home Appliances (Washing Machine Control Panels): GPIO pins handle button/LED controls, 32KB flash fits cycle logic. A home brand noted: ??Control panel error rate dropped by 17%, BOM parts reduced by 24%, we launched a ??budget-friendly?? washer line that grew market share by 11%.??
- Industrial Automation (Low-Power Humidity Sensors): Wide temp range resists workshop conditions, 4.2??A standby saves energy. An industrial brand confirmed: ??Humidity sensor failure rate down by 19%, factory energy use cut by 8%, we secured a contract with a food packaging plant.??
Frequently Asked Questions (FAQ) About Infineon CY8C27543-24AXI
Why is an 8-bit MCU better than a 32-bit MCU for smart blenders?
Smart blenders only need basic speed and timer control-32-bit MCUs cost 40% more but offer no real benefit. The 8-bit model cuts costs while maintaining reliability. A home engineer said: ??Our 32-bit MCU blenders cost $0.95-this 8-bit model costs $0.57. We saved $190,000 yearly and kept the same smooth speed control that customers value.??
How does 24MHz clock speed improve factory temperature sensor performance?
Factory sensors need to trigger alerts fast to avoid equipment damage-12MHz MCUs have 0.12s latency, while 24MHz cuts it to 0.08s. An industrial engineer said: ??Our 12MHz MCU sensors delayed temperature alerts by 0.12s-this 24MHz model delays by 0.08s. Overheating incidents dropped by 18%, saving $80,000 in production losses and equipment repairs.??
What value does SOIC24 package add for small design teams?
Small teams often lack senior designers for complex QFN24 layout-SOIC24??s 1.27mm pin spacing works with standard tools and junior staff. A home engineer said: ??QFN24 layout needed a senior designer (costing $150/hour)-SOIC24 lets junior designers do it ($75/hour). We cut design labor costs by $55,000 yearly and reduced layout errors by 26%.??
How does 4.2??A standby current help meet EU energy efficiency standards?
EU standards require always-on devices like kitchen thermometers to use ??0.015W idle power-6??A standby (old 8-bit MCUs) uses 0.0198W, while 4.2??A uses 0.01386W (well under the limit). A smart home engineer said: ??Our old 6??A thermometer failed EU standards-this 4.2??A model passes. We entered 4 European retailers, growing revenue by $280,000 and expanding our global footprint.??
Why is -40??C to +85??C temperature range suitable for kitchen appliances?
Kitchen appliances like ovens and blenders generate heat (up to 80??C) and may be stored in cold garages (-10??C)-narrow-range MCUs (0??C?C70??C) fail 15% of the time. The wide range ensures reliability. A home engineer said: ??Our old 0??C?C70??C MCU blenders failed 15% in hot kitchens-this model fails 2%. Warranty costs dropped by $65,000 yearly, and we retained 94% of our retail clients.??






