PIC18F45K50-I/MV

Microcontrollers Overview

The PIC18F45K50-I/MV is an 8-bit microcontroller from the PIC18(L)F45K50 family, manufactured by Microchip Technology. It features a PIC18 core with 32 kB of Flash program memory and 2 kB of SRAM data memory. The device operates at a maximum clock frequency of 48 MHz and provides 36 I/O pins in a QFN-40 package. Key peripherals include a 10-bit ADC with 25 channels, I2C, and SPI interfaces. It supports a supply voltage range of 2.3 V to 5.5 V and functions within an industrial temperature range of -40°C to +85°C.

Microcontrollers Feature Summary

• Integrated USB 2.0 compliant controller supporting full-speed and low-speed operation without external crystals.
• Capacitive touch sensing capabilities enabled by the Charge Time Measurement Unit (CTMU).
• Includes a digital-to-analog converter module with fixed voltage reference options for signal generation.

Microcontrollers Applications

• USB-enabled embedded devices requiring crystal-less communication.
• Industrial control systems utilizing capacitive touch interfaces.
• Data acquisition applications involving multi-channel analog signal monitoring.

Microcontrollers Procurement Notes

Verify the specific suffix 'I/MV' corresponds to the industrial temperature grade (-40°C to +85°C) and QFN-40 package configuration. Confirm that the required peripheral set, including USB and CTMU, aligns with the design specifications before procurement. Ensure compatibility with existing development tools and programming interfaces for the PIC18 architecture.

Microcontrollers Selection Notes

Select this component when a balance of moderate memory capacity and integrated USB connectivity is required for 8-bit applications. The inclusion of CTMU makes it suitable for touch-sensitive user interfaces. Consider the QFN-40 package constraints regarding PCB space and thermal dissipation during the layout phase.

Microcontrollers Part Context

This part belongs to the PIC18(L)F45K50 series, which emphasizes low-power nanoWatt technology alongside enhanced peripheral integration. The series targets cost-sensitive applications needing robust performance and flexible I/O configurations. It serves as a mid-range solution within Microchip's 8-bit portfolio, bridging basic controllers and higher-end families.

Microcontrollers Replacement Considerations

PIC18LF45K50-I/MV offers identical functionality with extended voltage tolerance down to 1.8V. PIC18F45K50T-I/MV provides the same core specifications but utilizes reel packaging for automated assembly processes instead of tube packaging.