Overview
The DRV8412DDWR, produced by Texas Instruments, is a high-performance, integrated dual full-bridge motor driver. This device is designed with an advanced protection system and features high-efficiency power stages, making it suitable for energy-efficient applications. The DRV8412DDWR can operate with supply voltages up to 52V and supports PWM operating frequencies of up to 500 kHz. It is particularly noted for its low RDS(on) MOSFETs, which contribute to its high efficiency of up to 97%. This efficiency allows for the use of smaller power supplies and heatsinks, making it an ideal choice for various motor control applications.
Key Specifications
| Parameter | DRV8412 | Unit |
|---|---|---|
| Operating Supply Voltage | Up to 52 V | V |
| Continuous Output Current (Dual Full-Bridge Mode) | 2 × 3 A | A |
| Peak Output Current (Dual Full-Bridge Mode) | 2 × 6 A | A |
| Continuous Output Current (Parallel Mode) | 6 A | A |
| Peak Output Current (Parallel Mode) | 12 A | A |
| PWM Operating Frequency | Up to 500 kHz | kHz |
| RDS(on) MOSFETs | 110 mΩ (at TJ = 25°C) | mΩ |
| Operating Ambient Temperature | –40 to 85 °C | °C |
| Package Type | HTSSOP-44 |
Key Features
- High-efficiency power stage with up to 97% efficiency and low RDS(on) MOSFETs (110 mΩ at TJ = 25°C)
- Integrated self-protection circuits including undervoltage, overtemperature, overload, and short-circuit protection
- Programmable cycle-by-cycle current limit protection and overcurrent detector
- Independent supply and ground pins for each half-bridge, enabling current measurement through external shunt resistors
- Intelligent gate drive and cross conduction prevention, eliminating the need for external snubber or Schottky diodes
- Support for multiple motors with different power supply voltage requirements
Applications
- Brushed DC and stepper motors
- Three-phase permanent magnet synchronous motors
- Robotic and haptic control systems
- Actuators and pumps
- Precision instruments
- TEC drivers
- LED lighting drivers
Q & A
- What is the maximum operating supply voltage for the DRV8412DDWR?
The maximum operating supply voltage for the DRV8412DDWR is up to 52 V.
- What is the continuous output current in dual full-bridge mode for the DRV8412DDWR?
The continuous output current in dual full-bridge mode is 2 × 3 A.
- What is the peak output current in parallel mode for the DRV8412DDWR?
The peak output current in parallel mode is 12 A.
- What is the maximum PWM operating frequency for the DRV8412DDWR?
The maximum PWM operating frequency is up to 500 kHz.
- What is the RDS(on) of the MOSFETs in the DRV8412DDWR?
The RDS(on) of the MOSFETs is 110 mΩ at TJ = 25°C.
- Does the DRV8412DDWR have integrated protection circuits?
- Can the DRV8412DDWR support multiple motors with different power supply voltage requirements?
- Is an external snubber or Schottky diode required for the DRV8412DDWR?
No, the DRV8412DDWR does not require an external snubber or Schottky diode due to its intelligent gate drive and cross conduction prevention.
- What are some typical applications of the DRV8412DDWR?
The DRV8412DDWR is typically used in applications such as brushed DC and stepper motors, three-phase permanent magnet synchronous motors, robotic and haptic control systems, actuators and pumps, precision instruments, TEC drivers, and LED lighting drivers.
- What is the operating ambient temperature range for the DRV8412DDWR?
The operating ambient temperature range for the DRV8412DDWR is –40 to 85 °C.
