摘要:
The invention concerns an electrical circuit (1) adapted to control a bridge circuit (2) for driving an inductive load (3). The electrical circuit comprises a voltage pulse detector (16, 17), at least one high-side control output (11, 12) adapted to control a high-side switch (5, 6) of the bridge circuit (2) connecting the inductive load (3) with the supply voltage (9), at least one low-side control output (13, 14) adapted to control a low-side switch (7, 8) of the bridge circuit (2) connecting the inductive load (3) with ground (10), an internal control logic (15) controlling the high- and low-side control outputs (11 to 14) and one validation gate (19) per low-side control output (13, 14). The internal control logic (15) controls the at least one validation gate (19) to connect through when the supply voltage (9) falls below a supply voltage threshold, thereby connecting the respective low-side control output (13, 14) with the output of the voltage pulse detector (16, 17).
摘要:
An electric motor comprising: a stator; a rotor; and a printed circuit board, pcb, mounted to an end of the motor, the motor end windings being provided as connections on the pcb; the motor further comprising transient voltage suppression, TVS, components (40) on the pcb.
摘要:
An electric motor comprising: a stator; a rotor; and a printed circuit board, pcb, (10) mounted to an end of the motor, the motor end windings being provided as connections on the pcb; the motor further comprising RC load termination components (40) on the pcb.