R5F109GAKFB#H0Q

Microcontrollers Overview

The R5F109GAKFB#H0Q is a 16-bit microcontroller from the Renesas RL78/F12 family, designed for automotive applications. It features an RL78 core with a maximum clock frequency of 32 MHz. The device includes 64 kB of program memory and 4 kB of data RAM. It operates within a supply voltage range of 2.7 V to 5.5 V and supports an industrial temperature range of -40°C to +125°C. The component is housed in a 48-LQFP package and holds AEC-Q100 qualification.

Microcontrollers Feature Summary

• AEC-Q100 qualified for automotive reliability standards
• Integrated 10-channel ADC with selectable resolution
• Supports multiple serial communication interfaces including CSI, I2C, LINbus, and UART

Microcontrollers Applications

• Automotive body electronics control modules
• Instrument cluster systems
• Door control units
• Seat adjustment controllers

Microcontrollers Procurement Notes

Verify the specific suffix H0Q against official Renesas documentation to confirm it denotes automotive grade qualification and lead-free status. Ensure compatibility with existing PCB footprints for the 48-LQFP package. Confirm that the required firmware libraries align with the RL78/F12 architecture before procurement.

Microcontrollers Selection Notes

Select this model when automotive certification is mandatory and high pin counts are required in a compact footprint. Compare against other RL78/F12 variants if different memory sizes or package types better suit the design constraints. Verify peripheral availability such as timers and PWM channels matches the application requirements.

Microcontrollers Part Context

This component belongs to the RL78/F12 series, which targets low-power automotive needs. It shares architectural similarities with other members like the R5F109GECKFB#10 but differs in package type and specific pinout configuration. The series emphasizes energy efficiency while maintaining robust performance for embedded control tasks.

Microcontrollers Replacement Considerations

Direct substitutes include other RL78/F12 devices with identical memory maps and compatible packages. Check for pin-to-pin equivalents within the same family to ensure seamless integration without redesigning the hardware layout.