EVAL6235Q STMicroelectronics

EVAL6235Q 3-phase BLDC motor driver mounting the L6235Q Data brief Features Voltage range from 8 V to 52 V Phase current up to 2.5 Ar.m.s. Adjustable PWM current control OFF-time Logic inputs 5 V / 3.3 V compliant Hall sensor inputs External speed loop Small application footprint with high thermal performance Suitable for use in combination with AM12699v1 PractiSPIN 2 software Description The EVAL6235Q is a 3-phase BLDC motor driver board that allows the user to test the L6235Q functions. The board can be driven using the STEVAL- PCC009V2 communication board and the PractiSPIN 2 evaluation software. April 2012 Doc ID 023062 Rev 1 1/9 For further information contact your local STMicroelectronics sales office. www.st.com 9Board description EVAL6235Q 1 Board description Table 1. EVAL6208Q electrical specifications Parameter Value Supply voltage (VS) 8 to 52 V Maximum output current (each phase) 2.5 Ar.m.s. Low level logic input voltage 0 V (1) High level logic input voltage 5 V / 3.3 V Maximum VREF input voltage (J2 connector) 3.3 V Switching frequency Up to 100 kHz Operating temperature - 25 to +125 C L6235Q thermal resistance junction-to-ambient TBD 1. Logic inputs are 3.3 V and 5 V compliant. Figure 1. Trimmer, jumper and connector locations Power supply connector J4: DIAG to EN (8 V - 52 V) pin connection 3ph BLDC motor connector Control board connector J6: VREF source selection 1-2 = J3 conn. (default), 2-3 = J8 conn. J2: External speed loop and pull-ups voltage selection connector 1-2 = 3.3 V (default), 2-3 = 5 V connector OFF time regulation AM12700v1 2/9 Doc ID 023062 Rev 1