參數(shù)資料
型號(hào): L8219LP
廠商: STMICROELECTRONICS
元件分類: 運(yùn)動(dòng)控制電子
英文描述: STEPPER MOTOR CONTROLLER, 2.5 A, PDSO28
封裝: EXPOSED PAD, HSOP-8
文件頁(yè)數(shù): 12/13頁(yè)
文件大?。?/td> 98K
代理商: L8219LP
L8219
8/13
Figure 2.
Figure 3. Principle Operating Sequence
1/2
Vsense
Vref
ton
td
normalized
VOUTA-VOUTB or VOUTB-VOUTA
(EACH WINDING)
toff =11 RtCt
fs =
1
ton + toff
toff
ton
toff
1
D99IN1019
1
I01
I11
I02
I12
-Imax
Imax
-Imax
Imax
Ph1
Ph2
Im=70.7%
Im=100%
Im=41%
STAND BY WITH
HOLDING TORQUE
HALFSTEP MOTOR DRIVE
MOTOR CURRENT PHASE 1
MOTOR CURRENT PHASE 2
FULL STEP
MOTOR DRIVE
2345678
D99IN1020A
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