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Chapter 2 I Electronics
L297-L297D
APPLICATION INFORMATION
TWOPHASE BIPOLARSTEPPER MOTOR CONTROL CIRCUrr
This circuit drives bipolarsteppermotorswith windingcurrentsup to 2A.The diodesare fast 2Atypes.
1"-- -10 STEP PER
L298H
"'''OR
WINDINGS
....
" 1,,106 ., 1
. ~~ NSE I . °t
SENS{; l '---1-
~_~ e u"
. s>
'"
11 51RS1.~O!i n
01tvoa~ Zot. ~A ST 0100£5
Figure 3 : SynchronisingL297s
----
I, 1
SY NC SYNC
L297 L297
I.
v, OSC osc
I" • 16
5V
:f --
'!o_!I8.U II
'"1
29
