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E-L8150TR 데이터시트(PDF) 5 Page - STMicroelectronics

부품명 E-L8150TR
상세설명  Brushless motor predriver
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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List of figures
Figure 1.
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 2.
Pins connection (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 3.
Kval control by VSP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 4.
External circuit for Vsp control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 5.
16 bit counter operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 6.
Smooth drive pattern (forward) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 7.
Phase shift vs input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 8.
Smooth Drive Pattern (Reverse). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 9.
Rectangular drive pattern (forward) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 10.
Rectangular Drive Pattern (Reverse) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 11.
Filtering circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 12.
Filter Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 13.
Duty cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 14.
Startup sequence forced by FS comparator, assuming the motor is not rotating . . . . . . . . 24
Figure 15.
Startup sequence forced by FS comparator, supposing the motor rotating quickly
in the direction imposed by the FR signal: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 16.
Startup sequence forced by FS comparator, supposing the motor rotating quickly
in the direction opposite to that imposed by the FR signal . . . . . . . . . . . . . . . . . . . . . . . . . 26
Figure 17.
Startup sequence forced by FS comparator, supposing the motor rotating too quickly . . . 27
Figure 18.
Startup sequence forced by SD, supposing the motor stopped . . . . . . . . . . . . . . . . . . . . . 28
Figure 19.
Startup sequence forced by SD, supposing the motor rotating quickly
in the direction imposed by the FR signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 20.
Startup sequence forced by SD, supposing the motor rotating quickly
in the direction not imposed by the FR signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 21.
Startup sequence forced by SD signal, supposing the motor rotating too quickly . . . . . . . 30
Figure 22.
Basic motor control circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 23.
3 phases motor control circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 24.
Pins: TSD, OV, SDT, INTinN, INTinP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 25.
Pins: TO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 26.
Pins: RF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 27.
Pins: INTout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 28.
Pins: OSC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 29.
Pins: FG, DM, FAULT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 30.
ESD clamping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 31.
Recirculation diode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 32.
Pins: FR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 33.
Pins: HWN, HWP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 34.
Pins: HUN, HUVP, HVN, HVP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 35.
Pins: UH, UL, VH, VL, WH, WL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 36.
SO-28 Mechanical data & package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35


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