Brushless DC Drivers
Three-Phase BLDC Motor Controller with Synchronous Rectification and 50V Operation
A3938
The A3938 provides efficient and reliable control of 3-phase BLDC motors up to 50V, featuring synchronous rectification to minimize power dissipation and integrated protection features to safeguard MOSFETs.
Product Details
Product Details
Top Features
- Drives a wide range of N-channel MOSFETs
- Low-side synchronous rectification
- Power MOSFET protection
- Adjustable dead time for cross-conduction protection
- Selectable coast or dynamic brake on power-down or RESET input
- Fast/slow current decay modes
- Internal PWM current control
- Motor lead short-to-ground protection
- Internal 5 V regulator
- Fault diagnostic output
- Thermal shutdown
- Undervoltage protection
Target Application
