Overview
The DRV8353HMRTAT is a highly integrated 100-V three-phase smart gate driver from Texas Instruments, designed for three-phase brushless DC (BLDC) motor applications. This device is part of the DRV8353M family and features a smart gate drive architecture that minimizes the number of external components required for MOSFET slew rate control and protection circuits. It supports various motor control schemes, including field-oriented control (FOC), sinusoidal current control, and trapezoidal current control.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Operating Voltage Range | Input voltage range | 9 to 100 V |
| Output Current | Continuous and peak H-bridge output current | 15 A continuous / 20 A peak |
| Temperature Range | Extended ambient temperature operation | -55 °C to 125 °C |
| Current Shunt Amplifiers | Optional integrated triple low-side current shunt amplifiers | Adjustable gain (5, 10, 20, 40 V/V) |
| PWM Modes | Supported PWM modes | 6x, 3x, 1x, and independent PWM modes |
| Interface | Communication interface | SPI or hardware interface |
| Protection Features | Integrated protection features | VM undervoltage lockout (UVLO), gate drive supply undervoltage (GDUV), MOSFET VDS overcurrent protection (OCP), MOSFET shoot-through prevention, gate driver fault (GDF), thermal warning and shutdown (OTW/OTSD) |
| Package | Package type and size | 40-WQFN (6x6 mm) |
Key Features
- Smart gate drive architecture with adjustable slew rate control for EMI performance and VGS handshake to prevent shoot-through conditions.
- Integrated gate driver power supplies, including a high-side doubler charge pump and a low-side linear regulator.
- Optional integrated buck regulator for powering the gate driver or external controller.
- Triple low-side current shunt amplifiers with adjustable gain (5, 10, 20, 40 V/V) and bidirectional or unidirectional support.
- Support for 120° sensored operation and various PWM modes (6x, 3x, 1x, and independent).
- Low-power sleep mode (20 µA at VVM = 48 V).
- Integrated protection features such as VM undervoltage lockout, gate drive supply undervoltage, MOSFET VDS overcurrent protection, and thermal warning and shutdown.
Applications
- Three-phase brushless DC (BLDC) motor modules.
- Fans, blowers, and pumps.
- Field-oriented control (FOC), sinusoidal current control, and trapezoidal current control of BLDC motors.
Q & A
- What is the operating voltage range of the DRV8353HMRTAT?
The operating voltage range is 9 to 100 V.
- What are the continuous and peak output currents of the DRV8353HMRTAT?
The continuous output current is 15 A, and the peak output current is 20 A.
- What is the temperature range for the DRV8353HMRTAT?
The extended ambient temperature operation range is -55 °C to 125 °C.
- Does the DRV8353HMRTAT have integrated current shunt amplifiers?
Yes, it has optional integrated triple low-side current shunt amplifiers with adjustable gain.
- What communication interfaces are supported by the DRV8353HMRTAT?
The device supports SPI or hardware interface.
- What protection features are integrated into the DRV8353HMRTAT?
The device includes VM undervoltage lockout, gate drive supply undervoltage, MOSFET VDS overcurrent protection, MOSFET shoot-through prevention, gate driver fault, and thermal warning and shutdown.
- What package type and size does the DRV8353HMRTAT come in?
The device is packaged in a 40-WQFN (6x6 mm).
- Can the DRV8353HMRTAT be used for sensored BLDC motor control?
Yes, it supports 120° sensored operation.
- Does the DRV8353HMRTAT have a low-power sleep mode?
Yes, it has a low-power sleep mode consuming 20 µA at VVM = 48 V.
- What are some common applications of the DRV8353HMRTAT?
Common applications include three-phase BLDC motor modules, fans, blowers, and pumps.
