C8051F502-IQR

Overview

The C8051F502-IQR is an automotive and industrial qualified mixed-signal microcontroller from the Silicon Labs C8051F50x family. It features a high-speed pipelined 8051 core operating at up to 50 MHz, delivering 50 MIPS throughput. The device integrates 64 kB of in-system programmable Flash memory and 4352 bytes of internal data RAM. Key peripherals include a 12-bit ADC with up to 200 ksps sampling rate, two comparators, CAN 2.0 and LIN 2.1 controllers, UART, SMBus, SPI, and four general-purpose timers. It operates on a supply voltage of 1.8 V to 5.25 V within a temperature range of –40 °C to +125 °C.

Feature Summary

• Automotive-grade qualification compliant with AEC-Q100 standards for robust operation in demanding environments.
• Integrated CAN 2.0 and LIN 2.1 controllers enable direct communication without external transceivers or crystals.
• On-chip debug circuitry supports full-speed, non-intrusive in-system debugging via the C2 interface.

Applications

• Motor control systems
• Sensor interface circuits
• Parking assistance modules

Procurement Notes

Verify component authenticity through authorized distributors or Silicon Labs directly. Confirm the specific suffix matches the required package type and temperature grade. Check for current availability status as this series may be subject to lifecycle changes. Ensure development tools are compatible with the CIP-51 architecture before procurement.

Selection Notes

Select this part when automotive reliability and integrated bus controllers are required. The 32-pin QFN package suits space-constrained designs. Evaluate pin count requirements against the 25 available I/O pins. Consider the 12-bit ADC resolution and speed for analog signal processing needs. Verify power consumption profiles against system battery life requirements.

Part Context

This component belongs to the C8051F50x family of mixed-signal MCUs. It shares architectural similarities with the C8051F51x and C8051F58x/59x series, offering pin-for-pin compatibility within the family. The device represents a highly integrated System-on-a-Chip solution combining digital logic, analog peripherals, and non-volatile memory.

Replacement Considerations

EFM8LB12F64E-QFN32