Overview
The DRV8320SRTVR is a 6 to 60-V three-phase smart gate driver produced by Texas Instruments. This device is designed to drive three high-side and three low-side N-channel MOSFETs, making it suitable for various motor control applications. It features a smart gate drive architecture with adjustable slew rate control, integrated gate driver power supplies, and a range of protection mechanisms to ensure reliable operation.
Key Specifications
| Parameter | Description |
|---|---|
| Input Voltage Range | 6 V to 60 V |
| Peak Source Current | 10 mA to 1 A |
| Peak Sink Current | 20 mA to 2 A |
| Package Type | WQFN (32-pin) |
| Package Size | 5.00 mm × 5.00 mm |
| Internal Regulator Output | 3.3 V, up to 30 mA |
| Protection Features | Undervoltage lockout, charge pump fault, MOSFET overcurrent, MOSFET short circuit, gate driver fault, overtemperature |
| Operating Temperature | -40°C to 125°C (TJ) |
Key Features
- Triple half-bridge gate driver for driving three high-side and three low-side N-channel MOSFETs
- Smart gate drive architecture with adjustable slew rate control
- Integrated gate driver power supplies supporting 100% PWM duty cycle
- Integrated 600-mA buck regulator (for DRV8320R variants)
- Low-power sleep mode for reduced quiescent current
- Comprehensive protection features including undervoltage lockout, charge pump fault, MOSFET overcurrent, MOSFET short circuit, gate driver fault, and overtemperature
- SPI or hardware interface for configuration and monitoring
Applications
The DRV8320SRTVR is designed for a variety of motor control applications, including:
- Brushless DC (BLDC) motors
- Stepper motors
- Industrial automation
- Electric vehicles (e.g., scooters, e-bikes)
- Power tools
- Robotics and mechatronics
Q & A
- What is the input voltage range of the DRV8320SRTVR?
The input voltage range is 6 V to 60 V. - What type of MOSFETs does the DRV8320SRTVR drive?
The DRV8320SRTVR drives three high-side and three low-side N-channel MOSFETs. - What are the peak source and sink currents of the DRV8320SRTVR?
The peak source current is 10 mA to 1 A, and the peak sink current is 20 mA to 2 A. - Does the DRV8320SRTVR have integrated protection features?
Yes, it includes protection features such as undervoltage lockout, charge pump fault, MOSFET overcurrent, MOSFET short circuit, gate driver fault, and overtemperature. - What is the purpose of the integrated buck regulator in the DRV8320R variants?
The integrated 600-mA buck regulator provides a regulated voltage supply for the gate drivers. - How does the DRV8320SRTVR handle low-power conditions?
The device has a low-power sleep mode to reduce quiescent current by shutting down most of the internal circuitry. - What interface options are available for the DRV8320SRTVR?
The device supports both SPI and hardware interfaces for configuration and monitoring. - What are common applications for the DRV8320SRTVR?
Common applications include BLDC motors, stepper motors, industrial automation, electric vehicles, power tools, and robotics. - How do I address audible noise issues during motor startup with the DRV8320SRTVR?
Audible noise during motor startup can be addressed by optimizing the PWM mode and ensuring proper configuration of the Hall effect encoder and other control parameters. - What is the package type and size of the DRV8320SRTVR?
The package type is WQFN (32-pin), and the package size is 5.00 mm × 5.00 mm.
