Overview
The DRV8412DDW, 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 a variety of motor control applications. The DRV8412DDW operates with low RDS(on) MOSFETs, achieving efficiencies of up to 97%, which enables the use of smaller power supplies and heatsinks. It supports operating supply voltages up to 52V and PWM operating frequencies up to 500 kHz, ensuring precise control and high efficiency.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Supply Voltage | Up to 52 V | V |
| Continuous Output Current (Dual Full-Bridge Mode) | 2 x 3 A | A |
| Peak Output Current (Dual Full-Bridge Mode) | 2 x 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 (Low Side and High Side) | 110 mΩ at TJ = 25°C | mΩ |
| Operating Ambient Temperature | -40 to 85 °C | °C |
| Junction-to-Ambient Thermal Resistance (with heat sink) | 24.5 °C/W | °C/W |
Key Features
- High-efficiency power stage with up to 97% efficiency
- 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
- Independent supply and ground pins for each half bridge
- Intelligent gate drive and cross conduction prevention
- No external snubber or Schottky diode required
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 DRV8412DDW?
The maximum operating supply voltage for the DRV8412DDW is up to 52 V.
- What is the continuous output current in dual full-bridge mode for the DRV8412DDW?
The continuous output current in dual full-bridge mode is up to 2 x 3 A.
- What is the peak output current in parallel mode for the DRV8412DDW?
The peak output current in parallel mode is up to 12 A.
- What is the maximum PWM operating frequency for the DRV8412DDW?
The maximum PWM operating frequency is up to 500 kHz.
- What is the RDS(on) of the MOSFETs in the DRV8412DDW?
The RDS(on) of the MOSFETs is 110 mΩ at TJ = 25°C.
- Does the DRV8412DDW require external snubber or Schottky diodes?
No, the DRV8412DDW does not require external snubber or Schottky diodes.
- What types of motors can the DRV8412DDW drive?
The DRV8412DDW can drive brushed DC, stepper, and three-phase permanent magnet synchronous motors.
- What kind of protection circuits are integrated into the DRV8412DDW?
The DRV8412DDW includes integrated self-protection circuits for undervoltage, overtemperature, overload, and short-circuit protection.
- Can the DRV8412DDW support multiple motors with different power supply voltage requirements?
- What is the operating ambient temperature range for the DRV8412DDW?
The operating ambient temperature range is -40 to 85 °C.
