Page 68 - CNC Robotics

Chapter 2 / Electronics

APPLICATION NOTE

Figure 21 : This typicalapplicationshowsan l297 and L298N driving a BipolarStepper Motor 'With pha-
se currents up to 2A.

., " " l6'

'~ ~~'- ~~n~
-'
Iln"' ~ 11"0 ::,'oonF 4
GNO D W 0,04
, .. osc •
tw/Cew U • , • • ~ 01
" •
CLOCK .. • • ,
Lf ,ruL'l C , ., ,0' r
'. L297 l298N STEPPER
RES ET 0 I ] 0 ) ""fOR
WINDINGS
10 • U
E.....8 LE ., • iNiii •
" II I .. .. • n , o.
Yr('1 IMHZ .. o.
)
SENSEI " 06 0' III
"
I I • •
SENSEI ......... --
...
CONTROl. HOw(
'YNC.
- - '" s - !lS' 6 , /;
. .
R S1 RS2 '" 0.5 II
0 1 10 D8 '" 2 Fast Diodes VF s; 1.2 C I = 2 A
trr :s; 2QO ns

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