MCP8027T-H/Q9X

Overview

The MCP8027T-H/Q9X is a three-phase gate driver designed for brushless DC motors, featuring an integrated power module and comprehensive protection mechanisms. It operates within a supply voltage range of 6V to 28V and delivers a peak output current of 500mA at 12V. The device includes three half-bridge drivers for external NMOS transistors, a comparator, a regulator for microcontroller biasing, and current monitoring operational amplifiers. It functions reliably across a temperature range of -40°C to +150°C and utilizes a 40-pin QFN package.

Feature Summary

• Integrates three half-bridge drivers with independent input control for high-side and low-side NMOS MOSFETs
• Includes built-in breakdown, overcurrent, and short-circuit protection for the driver outputs
• Features an adjustable step-down converter capable of delivering up to 750mW for companion microcontrollers
• Provides onboard 5V and 12V low-dropout regulators with 30mA current capability

Applications

• Industrial fuel, water, and ventilation motor systems
• Home appliance motor control
• Permanent magnet synchronous motor (PMSM) applications
• Aviation, marine, and vehicle propulsion systems

Procurement Notes

Verify the specific suffix H/Q9X against the manufacturer's latest datasheet to confirm pinout and electrical characteristics match your design requirements. Ensure compatibility with the intended PCB footprint, specifically the 40-QFN (5x5) package dimensions. Confirm that the component meets RoHS3 compliance standards if required by your manufacturing process. Check for any recent product change notices regarding packaging or material composition updates.

Selection Notes

Select this component when designing three-phase BLDC motor drives requiring integrated gate driving and power management. It is suitable for applications needing low sleep mode current and robust protection features. Consider the thermal performance of the QFN package in high-temperature environments. Evaluate the need for the integrated LDOs versus external regulation based on system efficiency goals. Ensure the microcontroller interface aligns with the PWM input requirements.

Part Context

This part belongs to the MCP8027 family of advanced three-phase gate drivers from Microchip Technology. The series is engineered for high-efficiency motor control applications, combining driver functionality with power regulation. The Q9X suffix typically denotes specific packaging or tape-and-reel configurations within the standard MCP8027 product line, ensuring suitability for automated surface-mount assembly processes.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify cross-reference data directly with Microchip Technology or authorized distributors before considering alternative components.