Datasheet TCA0372, TCA0372B, NCV0372B (ON Semiconductor) - 5

TCA0372, TCA0372B, NCV0372B
VCC = +15 V VEE = -15 V AV = +100 RL = 50 W 5.0 V/DIV VCC + + E1 E2 V - - S/2 200 mV/DIV VS = Logic Supply Voltage t, TIME (100 ms/DIV) Must Have VCC > VS E1, E2 = Logic Inputs
Figure 8. Sine Wave Response Figure 9. Bidirectional DC Motor Control with Microprocessor−Compatible Inputs
VS Rx 0.1 mF 0.1 mF R7 10 k Vin R1 + + R3 10 k - 5.0 W - R6 R8 10 k 10 k R2 R5 10 k 10 k 2R3 @ R1 For circuit stability, ensure that Rx >where, RM = internal resistance of motor. RM VS The voltage available at the terminals of the motor is: VM + 2(V1– ) |R 2 o| @ IM 2R3 @ R1 where, |Ro| =and IM is the motor current. Rx
Figure 10. Bidirectional Speed Control of DC Motors http://onsemi.com 5