Posted on May 17, 2011 at 10:15I think device failure can be due by a lack of protection. During motor current recirculation external diodes should quickly clamp output pin voltage, this is why shottky diodes, or in general ''fast'' diodes, are reco...
Posted on May 17, 2011 at 10:15Hello hamza, your application schematic seems ok. I think you control motor current varying PWM duty-cycle, are you sure that motor current never exceed device absolute limits? Are BR1 diodes of fast type? This is very...
Posted on May 17, 2011 at 10:15Hello Manuele, Unfortunatly, it is not possible to have the logic diagram of L6208 state machine. However CW/CCW signal do not have a direct effect on full-bridges driving logic. Have you checked the toff and voltage r...
Posted on May 17, 2011 at 10:15Hello, you should check if VREF pin voltage varies with PWM as expected; as explained in AN, relation between PWM and VREF depends on low pass filter design. You have to check if current control is properly working too...
