Overview
The DRV8323SRTAR is a three-phase smart gate driver designed by Texas Instruments for high-performance applications, particularly in driving brushless DC (BLDC) motors and other three-phase systems. This device integrates three half-bridge gate drivers, each capable of driving high-side and low-side N-channel power MOSFETs. It features an advanced smart gate drive architecture with adjustable slew rate control, integrated gate driver power supplies, and optional integrated buck regulators and current sense amplifiers.
Key Specifications
| Parameter | Specification |
|---|---|
| Operating Voltage Range | 6 to 60 V |
| Peak Source Current | 10 mA to 1 A |
| Peak Sink Current | 20 mA to 2 A |
| Integrated Buck Regulator | Optional, 4 to 60 V, 0.8 to 60 V, 600 mA output |
| Current Sense Amplifiers | Optional, adjustable gain (5, 10, 20, 40 V/V), bidirectional or unidirectional |
| Interface | SPI and Hardware |
| Logic Input Voltage | 1.8 V, 3.3 V, 5 V |
| Package Type | WQFN (RTA), 40 pins |
| Operating Temperature Range | -40°C to 125°C |
| RoHS Compliance | Yes |
Key Features
- Triple half-bridge gate driver for driving high-side and low-side N-channel MOSFETs
- Smart Gate Drive architecture with adjustable slew rate control
- Integrated gate driver power supplies: high-side charge pump and low-side linear regulator
- Optional integrated buck regulator (LMR16006X SIMPLE SWITCHER)
- Optional integrated triple current sense amplifiers with adjustable gain
- SPI and hardware interface for configuration
- Support for 6x, 3x, 1x, and independent PWM modes
- Low-power sleep mode (12 µA)
- Linear voltage regulator, 3.3 V, 30 mA
- Compact QFN packages and footprints
- Integrated protection features: undervoltage lockout, charge pump fault, MOSFET overcurrent protection, gate driver fault, thermal warning and shutdown
Applications
- Brushless-DC (BLDC) motor modules and PMSM
- Fans, pumps, and servo drives
- E-Bikes, E-Scooters, and E-Mobility
- Cordless garden and power tools, lawnmowers
- Cordless vacuum cleaners
- Drones, robotics, and RC toys
- Industrial and logistics robots
Q & A
- What is the operating voltage range of the DRV8323SRTAR?
The operating voltage range is 6 to 60 V. - What type of MOSFETs does the DRV8323SRTAR drive?
The DRV8323SRTAR drives high-side and low-side N-channel power MOSFETs. - Does the DRV8323SRTAR have integrated current sense amplifiers?
Yes, it has optional integrated triple current sense amplifiers with adjustable gain. - What interfaces are available for configuration?
The device supports both SPI and hardware interfaces. - What are the supported PWM modes?
The device supports 6x, 3x, 1x, and independent PWM modes. - What is the power consumption in sleep mode?
The power consumption in sleep mode is 12 µA. - Does the DRV8323SRTAR have built-in protection features?
Yes, it includes undervoltage lockout, charge pump fault, MOSFET overcurrent protection, gate driver fault, and thermal warning and shutdown. - What is the package type and pin count of the DRV8323SRTAR?
The package type is WQFN (RTA) with 40 pins. - What is the operating temperature range of the DRV8323SRTAR?
The operating temperature range is -40°C to 125°C. - Is the DRV8323SRTAR RoHS compliant?
Yes, it is RoHS compliant.
