C8051F534-IT

Overview

The C8051F534-IT is an automotive-grade, 8-bit microcontroller from the C8051F53x family by Silicon Labs. It features a high-speed CIP-51 core operating at up to 25 MHz with 25 MIPS throughput. The device integrates 4 kB of in-system programmable Flash memory and 256 bytes of internal data RAM. Key peripherals include a 12-bit ADC with 200 ksps throughput, a LIN 2.1 controller, hardware SPI, and UART interfaces. It operates within a supply voltage range of 2.0 V to 5.25 V and supports an extended temperature range of –40 °C to +125 °C.

Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for robust industrial and automotive environments.
• Integrated LIN 2.1 controller supporting both master and slave modes without requiring external crystals.
• On-chip debug circuitry enabling full-speed, non-intrusive in-system debugging via the C2 interface.
• High-precision internal oscillator with ±0.5% accuracy suitable for precise timing applications.

Applications

• Automotive body control modules
• Industrial sensor interfaces
• LIN bus communication nodes

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific revision level matches design requirements. Check for end-of-life status as availability may be limited. Ensure proper handling for moisture-sensitive devices during storage and assembly processes.

Selection Notes

Select this model when automotive reliability and LIN connectivity are required in a compact package. Compare memory sizes against other variants in the F53x series if larger storage is needed. Consider the TSSOP-20 package constraints for PCB layout. Evaluate power consumption profiles across different operating modes for battery-sensitive designs.

Part Context

This component belongs to the C8051F53x family of mixed-signal system-on-chip microcontrollers. These devices are designed for cost-sensitive applications requiring high integration. The family shares a common architecture with varying memory capacities and peripheral sets. They utilize the CIP-51 core for enhanced performance over standard 8051 implementations.

Replacement Considerations

Direct substitutes within the same family include C8051F530-IT and C8051F531-IT, which offer different Flash memory sizes. Verify pin compatibility and peripheral availability before substitution. Consult the official product selection guide for updated recommendations.