Test Procedure for the STK681-360GEVB Evaluation Board Evaluation Board Setup [Supply Voltage] Vcc1 (10 to 42V): Power Supply for DC motor Vcc2 (5V) : Power Supply for internal logic IC [Operation Guide] 1. Motor Connection: Connect the motor to OUT1 and OUT2. 2. Initial Condition Setting: Set to signal condition IN1=H, IN2=H, and INH=L. 3. Power Supply: At first, supply DC voltage to Vcc2(5.0V). Next, supply DC voltage to Vcc1. 4. Set to Forward or Reverse signal condition with INH=Low. Turn “High” INH signal. Output current flows between OUT1 and OUT2. 5. Motor Operation 1/6/2014 1 www.onsemi.com