TC649BEOA

Overview

The TC649BEOA is a fan controller and motor driver manufactured by Microchip Technology, designed for brushless DC (BLDC) motor applications. It operates within a supply voltage range of 3 V to 5.5 V and features a low operating supply current of 200 uA. The device provides a single output with a drive capability of 5 mA. It is housed in an 8-SOIC package with a width of 3.90 mm. The component supports surface mount installation and functions reliably across an ambient temperature range of -40°C to +85°C.

Feature Summary

• Integrated shutdown and over-temperature alert functionality for system protection
• Designed specifically for fan control and BLDC motor driving applications
• Low power consumption suitable for energy-efficient designs

Applications

• Fan speed control systems
• Brushless DC motor drivers
• Computer cooling solutions

Procurement Notes

Verify the specific suffix 'EOA' corresponds to the 8-SOIC tube packaging configuration. Confirm that the part status reflects the manufacturer's discontinuation notification dated May 29, 2026. Ensure compatibility with existing PCB footprints for the 8-SOIC package before finalizing procurement decisions.

Selection Notes

Select this component when a dedicated fan controller with fault detection is required. Compare against the TC649 series variants to ensure the specific package and feature set match the design requirements. Consider the end-of-life status when planning long-term production cycles.

Part Context

This part belongs to the TC649 family of fan controllers from Microchip Technology. It shares functional similarities with other members like the TC649EOA but differs in packaging or specific feature implementations. The family is categorized under PMIC and Motor Drivers.

Replacement Considerations

Publicly confirmed substitute part numbers include TC649EOA.