Applications involving motors, such as 2 and 3-phase linear motor coil arrays, DC speed-variable BLDC motors, 2-phase bipolar stepper motors, and PMSM in servo drives and robotics, can implement 120V half-bridge gate drivers. The 120V driver can be used in these DC motor drive systems where the bus voltage typically ranges from 12V to 80V DC and half-bridge topologies are often used for each phase or winding. Figure 3 shows an example of a 3-phase brushless motor (BLDC) where 3 half-bridge drive circuits are used.

The 120V half-bridge gate drivers are offered in small packages to help customers minimize board sizes due to compact application requirements in products like cordless power tools, drones, and eBikes. These devices often operate in hot environments requiring good thermal dissipation capabilities. In addition, the devices need fast timing characteristics while maintaining low cost and having a wide VDD supply range. The UCC27282(-Q1) offers an abundance of these features such as the 10-pin, 3mm by 3mm SON, DRC package with low thermal resistance for R_θJA of 47.3 °C/W. The UCC27282(-Q1) also includes 16ns typical propagation delays with 1ns of delay matching. These features along with a 20V absolute maximum rating on VDD and being very competitively priced allows for the UCC27282(-Q1) to be a great candidate for motor drive applications. Another potential candidate for motor drive applications is the LM2101, which is a 0.5A source and 0.8A sink current half bridge driver. For more information on gate drivers in motor drive applications, refer to the How to Choose a Gate Driver for DC Motor Drives application note. Figure 2-4 shows an example of a stepper motor with two half-bridge circuits and two UCC27282(-Q1) used for the A winding of the motor.