MCP8021-5015H/9PXVAO

Overview

The MCP8021-5015H/9PXVAO is a three-phase brushless DC motor gate driver with an integrated LDO. It features three half-bridge drivers capable of sourcing and sinking 500 mA peak current. The device includes an internal low-dropout regulator for gate drive power, reducing external component count. It supports PWM control inputs and offers protection features such as under-voltage lockout. The part is housed in a 28-pin VQFN package measuring 5x5 mm, suitable for compact motor control applications requiring efficient power management.

Feature Summary

• Integrated three-phase half-bridge gate driver architecture
• Built-in low-dropout regulator for simplified power supply design
• High peak output current capability for robust motor driving
• Comprehensive protection mechanisms including under-voltage lockout

Applications

• Three-phase brushless DC motor control systems
• Industrial automation motion control modules
• Consumer appliance motor drives
• Fan and pump speed regulation circuits

Procurement Notes

Verify the complete ordering part number against official Microchip Technology documentation to ensure correct suffix alignment. Confirm that the specific variant matches the required thermal performance and package type for your PCB layout. Cross-reference the datasheet revision history to validate feature availability and electrical characteristics prior to finalizing procurement specifications.

Selection Notes

Select this component when designing three-phase BLDC motor interfaces requiring integrated gate driving and power regulation. Evaluate the 500 mA peak current rating against the specific motor phase impedance requirements. Ensure the 28-pin VQFN footprint aligns with existing board space constraints. Consider the thermal dissipation capabilities inherent to the package style for continuous operation scenarios.

Part Context

This device belongs to the MCP8021 family of multiphase motor drivers from Microchip Technology. These components are designed to simplify the implementation of complex motor control algorithms by integrating high-side and low-side gate drivers. The series targets applications needing reliable commutation control with minimal external discrete components, enhancing system density and reliability.

Replacement Considerations

Consult official Microchip Technology substitution guides for verified alternative part numbers. Do not assume functional equivalence with generic three-phase drivers without verifying pin compatibility and electrical specifications. Review datasheets for any differences in operating voltage ranges or thermal characteristics before swapping components.