DRV8320RHRHAR

Overview

The DRV8320RHRHAR is a three-phase smart gate driver designed for brushless DC motor applications. It integrates high-side and low-side N-channel MOSFET drivers with an internal buck converter to supply power to the external FETs. The device operates within a supply voltage range of 6 V to 60 V, supporting various motor control topologies. It features integrated current shunt amplifier inputs for closed-loop control and includes protection mechanisms such as thermal shutdown and under-voltage lockout. The component is housed in a 40-pin QFN package measuring 6 mm by 6 mm, suitable for space-constrained designs.

Feature Summary

• Integrates a buck converter to drive external N-channel MOSFETs
• Includes inputs for three current shunt amplifiers
• Provides thermal shutdown and under-voltage lockout protection

Applications

• Brushless DC (BLDC) motor drives
• Three-phase AC induction motor systems
• Industrial automation equipment

Procurement Notes

Verify the complete part number DRV8320RHRHAR against official Texas Instruments documentation to ensure correct package type and tape-and-reel specifications. Confirm that the required operating temperature range aligns with the industrial grade rating specified in the datasheet. Cross-reference the marking code on the physical component to validate authenticity and prevent counterfeit risks during procurement.

Selection Notes

Select this component when designing three-phase motor control systems requiring integrated gate driving and current sensing interfaces. Ensure the external MOSFETs selected are compatible with the driver's output capabilities and the system's voltage requirements. Evaluate the thermal performance of the PCB layout to manage heat dissipation effectively given the integrated nature of the driver and associated circuitry.

Part Context

This part belongs to the DRV832x family of smart gate drivers from Texas Instruments. These devices are engineered to simplify the design of three-phase motor drives by integrating essential driver stages and power management functions. The family offers solutions for various voltage levels and application requirements, providing a robust platform for industrial and consumer motor control applications.

Replacement Considerations

Direct substitutes within the same family include DRV8320HRTVR. Verify pin compatibility and electrical characteristics before substitution. Other variants may require schematic adjustments due to differences in package size or specific feature sets.