DRV8320RHRHAT

Overview

The DRV8320RHRHAT is a six-to-sixty-volt three-phase smart gate driver manufactured by Texas Instruments. It integrates high-side and low-side N-channel MOSFET drivers with an integrated current shunt amplifier for each phase, enabling closed-loop current control in brushless DC motor applications. The device operates within a supply voltage range of 6V to 60V and supports PWM frequencies up to 30MHz. It features a 32-pin HVQFN package designed for thermal efficiency and compact board space. The operating temperature range extends from -40°C to 125°C, ensuring reliability in demanding industrial environments.

Feature Summary

• Integrated three-phase gate drivers with built-in current sensing amplifiers
• Supports high-frequency PWM operation for precise motor control
• Includes protection mechanisms against over-current, under-voltage lockout, and thermal shutdown

Applications

• Brushless DC (BLDC) motor drives
• Industrial automation systems
• Robotics actuation modules

Procurement Notes

Verify the specific suffix 'RHRHAT' against the official Texas Instruments datasheet to confirm pinout compatibility and thermal pad configuration. Ensure the ordering part number matches the exact package variant required for your PCB layout. Cross-reference the revision level to guarantee alignment with your design's electrical specifications and safety certifications.

Selection Notes

Select this component when designing three-phase BLDC motor controllers requiring integrated current sensing. It is suitable for applications needing robust protection features and high-frequency switching capabilities. Consider the thermal performance of the HVQFN package and ensure adequate heatsinking or copper pour design to maintain junction temperatures within the specified operational limits.

Part Context

This device belongs to the DRV832x family of smart gate drivers from Texas Instruments. It is engineered for cost-sensitive and space-constrained motor control designs. The integration of power stages and signal conditioning reduces the external component count compared to discrete solutions, simplifying the overall system architecture and improving reliability.

Replacement Considerations

Consult the Texas Instruments DRV832x family datasheet for direct pin-compatible alternatives such as the DRV8320RHRT or other variants within the same series. Verify that any substitute maintains identical voltage ratings, current handling capabilities, and package dimensions to ensure seamless integration without redesigning the printed circuit board.