Overview
The DRV8353SRTAT is a highly-integrated three-phase smart gate driver from Texas Instruments, designed specifically for brushless DC (BLDC) motor applications. This device is part of the DRV835x family, which includes advanced features to support field-oriented control (FOC), sinusoidal current control, and trapezoidal current control of BLDC motors. The DRV8353SRTAT integrates various components, such as current shunt amplifiers and a buck regulator, to reduce the external component count and system complexity.
Key Specifications
| Parameter | Specification |
|---|---|
| Package | WQFN-40-EP (6x6) |
| Voltage Supply Range | 6V to 95V |
| Peak Source Current | 50 mA to 1 A |
| Peak Sink Current | 100 mA to 2 A |
| Operating Temperature Range | -40°C to 125°C |
| Integrated Buck Regulator Output | 2.5V to 75V, 350 mA |
| Current Shunt Amplifiers Gain | Adjustable (5, 10, 20, 40 V/V) |
| PWM Modes | 6x, 3x, 1x, and independent |
| Interface | SPI or hardware interface |
| Low-Power Sleep Mode Current | 20 µA at VVM = 48V |
Key Features
- Smart gate drive architecture with adjustable slew rate control for EMI performance and VGS handshake to prevent shoot-through conditions.
- Optional integrated buck regulator and triple low-side current shunt amplifiers.
- Integrated gate driver power supplies, including high-side doubler charge pump and low-side linear regulator.
- Support for 120° sensored operation and various PWM control modes (6x, 3x, 1x, and independent).
- Integrated protection features such as VM undervoltage lockout, gate drive supply undervoltage, MOSFET VDS overcurrent protection, and thermal warning and shutdown.
- SPI or hardware interface for operational control and feedback.
- Low-power sleep mode with a current consumption of 20 µA at VVM = 48V.
Applications
- 3-phase brushless DC (BLDC) motor modules.
- Fans, blowers, and pumps.
- E-Bikes, E-scooters, and E-mobility applications.
- Power and garden tools, lawn mowers.
- Drones, robotics, and RC toys.
- Factory automation and textile machines.
Q & A
- What is the voltage supply range of the DRV8353SRTAT?
The voltage supply range is from 6V to 95V.
- What are the peak source and sink currents of the DRV8353SRTAT?
The peak source current is 50 mA to 1 A, and the peak sink current is 100 mA to 2 A.
- Does the DRV8353SRTAT have integrated current shunt amplifiers?
Yes, it has optional integrated triple low-side current shunt amplifiers with adjustable gain.
- What are the supported PWM modes?
The device supports 6x, 3x, 1x, and independent PWM modes.
- What is the operating temperature range of the DRV8353SRTAT?
The operating temperature range is from -40°C to 125°C.
- Does the DRV8353SRTAT have integrated protection features?
Yes, it includes features such as VM undervoltage lockout, gate drive supply undervoltage, MOSFET VDS overcurrent protection, and thermal warning and shutdown.
- What interface options are available for the DRV8353SRTAT?
The device supports both SPI and hardware interfaces.
- What is the current consumption in low-power sleep mode?
The current consumption is 20 µA at VVM = 48V.
- What type of motor control does the DRV8353SRTAT support?
The device supports field-oriented control (FOC), sinusoidal current control, and trapezoidal current control of BLDC motors.
- What is the package type of the DRV8353SRTAT?
The package type is WQFN-40-EP (6x6).
