... Excitation Ratings SLA7022MU SLA7029M SMA7022MU SMA7029M 46 100 1.5 1 1.5 4.5 (Without Heatsink) 4.0 (Without Heatsink =25° =25° +150 –40 to +150 SMA7022MU SMA7029M typ max min typ max =44V V =44V 100 =250 µ A =250 µ A ...
... V = when However, when the values of these constants are increased, S the response from R which may there- the value of the output current I S calculated value. SLA7022MU/SLA7029M/SMA7022MU/SMA7029M ( 3,(13 7,( ...
... Fig. 6 Chopper frequency vs. Motor coil resistance /C and Motor coil resistance R Chopper frequency vs. Output current 0. =24V SLA7022MU/SLA7029M/SMA7022MU/SMA7029M SLA7022MU/SLA7029M/SMA7022MU/SMA7029M r r 47k 500pF =12 s OFF =1~3ms Motor : 23LM-C202 V =24V CC ...
... Thermal Design An outline of the method for calculating heat dissipation is shown below. (1)Obtain the value of P that corresponds to the motor coil H current I from Fig. 7 "Heat dissipation per phase P O put current I ." O Fig. 7 Heat dissipation per phase P SLA7022MU, ASMA7022MU 1.2 1 0.8 0.6 0.4 0 0.2 0.4 0.6 Output current I O Fig ...
... Stepper Motor Unipolar Driver ICs (2-Phase Excitation) Supply Voltage V vs. Supply Current I CC SLA7022MU, SMA7022MU 500 400 300 200 I =1A O 100 0.4A 0. Supply voltage V (V) CC Torque Characteristics SLA7022MU, SMA7022MU 2.0 1.5 Motor : PX244-02 Output current I 1.0 Motor supply voltage V 2-phase excitation ...