Overview
The R5F10278ANA#45 is a 16-bit microcontroller designed for low-power, cost-sensitive embedded control applications. It is widely used in home appliances, sensor control modules, and simple industrial automation, where low power consumption, compact size, and stable peripheral integration are required.
Belonging to Renesas’ RL78/G12 series, the R5F10278ANA#45 delivers a balanced combination of performance, peripheral richness, and energy efficiency. Variants such as R5F10278ANA#25 offer the same core functionality with different operating conditions or ordering options, enabling flexible system design.
Core Parameters
| Parameter | Specification |
|---|---|
| CPU Architecture | 16-bit RL78 core |
| Maximum Clock Frequency | Up to 24 MHz |
| Flash Memory | 32 KB (series configuration) |
| RAM | 4 KB |
| Operating Voltage | 1.6 V to 5.5 V |
| Package | 24-pin HWQFN |
| Operating Temperature | –40°C to +85°C |
These parameters make the device suitable for compact, low-power embedded systems, especially where wide voltage operation and minimal power consumption are critical.
Features
- 16-bit RL78 CPU with efficient instruction set
- Ultra-low power consumption with multiple low-power modes
- Integrated timers, ADC, UART, I²C, and SPI interfaces
- On-chip oscillator support to reduce external components
- High EMI resistance and stable operation in noisy environments
Typical Application Scenarios
- Home appliances such as washing machines and air conditioners
- Smart sensors and metering devices
- Consumer electronics control panels
- Industrial monitoring and simple automation controllers
The R5F102AAASP#10 MCU is often referenced with the R5F10278ANA#45, another RL78/G12 microcontroller variant with similar peripherals and low-power features. Both are used in compact embedded control and sensing systems, allowing designers to select the optimal flash size and package for specific application needs.
Performance Comparison
Compared with other entry-level 8-bit MCUs, the R5F10278ANA#45 offers higher processing efficiency and lower power consumption. Within the RL78/G12 family, it provides an optimal balance between memory size and peripheral integration, while alternatives like R5F10278ANA#25 allow designers to adjust ordering or operating requirements without redesigning the system.
Conclusion
The R5F10278ANA#45 is a reliable and energy-efficient microcontroller well suited for modern embedded applications requiring low power, stable performance, and compact form factors. Its compatibility within the RL78/G12 series makes it easy to scale designs while maintaining consistent functionality.
Manufacturer Profile
Renesas Electronics is a global leader in microcontrollers, analog, power, and SoC solutions. Renesas products are widely used across automotive, industrial, and consumer markets, known for long-term reliability, low power design, and strong ecosystem support.
FAQ
Q1: What type of applications is the R5F10278ANA#45 best suited for?
It is ideal for low-power embedded control applications such as home appliances, sensor modules, and basic industrial controllers.
Q2: What makes the RL78/G12 series suitable for low-power designs?
The series features an efficient 16-bit core, multiple low-power modes, and flexible voltage operation, significantly reducing system power consumption.
Q3: Are there compatible alternatives within the same family?
Yes. Models like R5F10278ANA#25 share the same architecture and peripherals, allowing easy substitution based on availability or ordering needs.
Q4: How can the quality of this component be verified?
7SEtronic follows a complete quality inspection SOP, including label verification, visual inspection, and X-ray analysis, to ensure authenticity and reliability.
For more information and to review our available inventory, please contact our team for detailed pricing, current stock levels, and any additional technical support you may need.
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