EPC now provides EPC9176, a three-phase brushless DC motor driven inverter, using EPC23102 ePower level GaN IC, with embedded door drive function and two GaN fet 5.2mOhm typical RDS (on). The EPC9176 is matched with various compatible controllers. Many manufacturers use current resources to support rapid development and reduce design cycle time. The company provides an interface board (EPC9147X) to run this inverter reference design with the most common motors.
Alex Lidow, CEO of EPC, said: "Designers can use GaN ic to make battery driven motors that are lighter and more efficient for a variety of mobility and robot applications." GaN makes the motor system smaller, lighter, less noise, greater torque, wider range, and higher accuracy. At the same time, it improves EMI, reduces the number of EMI filters and capacitors, and eliminates electrolytic capacitors and input filter inductance. "
The use of EPC23102 integrated GaN on silicon devices provides smaller footprint, lower design workload, faster time to market, and higher performance. This is a 100V rated fully integrated power stage, including half bridge fet, driver, level shifter and synchronous pilot charging, low quiescent current enable pin in disable mode and 5V offset.
The equipment includes all key functional circuits required to support a complete motor driven inverter, including gate driver, regulating auxiliary power rail for butler power supply, voltage and temperature sensing, accurate current sensing and protection functions. The device operates from an input power supply voltage between 20V and 80V and can provide up to 28 pk (20ARMS). This voltage range and power level make the solution very suitable for various three-phase brushless DC motor drive applications with 36V-80V input, including electric bicycles, eScooters, UAVs, robots, electric tools, DC servo, medical robots and factory automation.
