LV885XXJA-GEVB Evaluation Board for Motor Driver, Single-phase, PWM, Full-wave, BLDC Motor www.onsemi.com Overview This evaluation board is designed to provide an easy and quick USER GUIDE development platform for single phase BLDC motor control applications, using the following devices. LV88551, LV88552, LV88553, LV88554 LV88561, LV88562, LV88563, LV88564 Features These devices have the closed loop controller for motor rotation LV88551JAGEVB LV88551RGEVB speed. And, potentiometers are provided on this board to configure the minimum/maximum target speed, the speed curve against the input LV88552JAGEVB LV88552RGEVB PWM duty cycle, and some other parameters/options. The LV88553JAGEVB LV88553RGEVB potentiometers might be useful for tuning these parameters and LV88554JAGEVB LV88554RGEVB options, otherwise fixed resistors must be removed and resoldered. LV88561JAGEVB LV88561RGEVB Setting with fixed resistors is also applicable by disconnecting the LV88562JAGEVB LV88562RGEVB potentiometers. LV88563JAGEVB LV88563RGEVB Quick start LV88564JAGEVB LV88564RGEVB The evaluation board is programmed to work standalone without PC. The following operation allows the operation of most motors with the default parameters that are preloaded into the device. Step 1. Connect a motor to J3 Step 2. Connect PWM signal to the pin labeled PWM Step 3. Connect a power supply to J4 (J5 is provided optionally for low power application less than 4A). Step 4. Turn on power supply Semiconductor Components Industries, LLC, 2018 1 Publication Order Number: February, 2019 Rev. 0 EVBUM2608/DLV885XXJAGEVB HARDWARE DESCRIPTION Table 1. NAME AND FUNCTION 1. Evaluation board The main board 2. Connector J4 Main power connector 3. Connector J5 Optional power jack 4. Connector J3 Motor windings and signals related Hall 5. Pin PWM PWM input 6. Pin FG FG output 7. IC U1 (or U2) A dial to tweak the command PWM duty cycle for speed control 8. FETs T1 and T2 Output power FET arrays Figure 1. Connectors and key parts Power Supply Motor J4 is the main power supply connector. The outputs of a J3 is the motor connector. power supplier will be connected to this connector. For LV8855xEVB, the POWER pin voltage accepts up to 18 V. Pin Silk label Connected to However, for LV8856xEVB, POWER pin for the operation 1 OUT2 Motor winding 2 is from 24 V to 48 V. Motor winding 1 2 OUT2 Hall signal + 3 IN2 + 4 IN1 Hall signal 5 GND Ground Figure 2. Main power 6 HB Hall bias J5 is an optional connector for a power supply. Low power is assumed (less than 4A). Figure 3. Power Connector Polarity Figure 4. J3 Motor Connector www.onsemi.com 2