參數(shù)資料
型號(hào)： E-L8150TR
廠(chǎng)商： STMICROELECTRONICS
元件分類(lèi)： 運(yùn)動(dòng)控制電子
英文描述： BRUSHLESS DC MOTOR CONTROLLER, PDSO28
封裝： LEAD FREE, SOP-28
文件頁(yè)數(shù)： 11/37頁(yè)
文件大?。?/td> 753K
代理商： E-L8150TR
Obsolete
Product(s)
- Obsolete
Product(s)
L8150
Operating description
In case of reverse rotation (CCW), Smooth Drive applies the voltage profiles represented in
the following pictures (Figure 8).
Figure 8.
Smooth Drive Pattern (Reverse)
In case sinusoidal mode cannot be applied, a rectangular pattern will be applied, that is
driving one phase fixed to GND, one phase in tri-state while the other is switching from low
to high with a duty cycle depending on the ADC conversion , max. duty cycle about 95%,
according to the following diagram:
Figure 9.
Rectangular drive pattern (forward)
The diagram (Figure 9) is showing the applied driving pattern in case of applied torque in
forward (continuous blue line) direction, while in case of reverse (continuous red line)
direction, the applied pattern can be found in the following picture (Figure 10); in both
pictures the meaning of the pattern line is the following: when the line is low, the
correspondent winding is driven continuously low; when the line is high, the winding is
driven with a duty cycle defined from the ADC conversion at a frequency 512 times slower
than the clock. On the other hand, when the line is at middle height the correspondent
phase will be left tri-stated.
HallU
OutU
OutV
OutW
Phase shift
HallU
OutU
OutV
OutW
Phase shift
HallU
HallV
HallW
OutU
OutV
OutW
HallU
HallV
HallW
HallU
HallV
HallW
OutU
OutV
OutW
HallU
HallV
HallW
HallU
HallV
HallW
OutU
OutV
OutW
HallU
HallV
HallW
OutU
OutV
OutW
HallU
HallV
HallW
HallU
HallV
HallW
HallU
HallV
HallW
OutU
OutV
OutW
相關(guān)PDF資料
PDF描述
E-L9935013TR STEPPER MOTOR CONTROLLER, 2.5 A, PDSO20
E1L33-3BOA6-02 T-1 SINGLE COLOR LED, BLUE, 3 mm
E1L35-3G0A7-02 T-1 SINGLE COLOR LED, GREEN, 3 mm
E1L35-3G0A5-02 T-1 SINGLE COLOR LED, GREEN, 3 mm
E1SAD20-32.6864MTR QUARTZ CRYSTAL RESONATOR, 32.6864 MHz
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