motor driver电机驱动原理图
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2
3
4
A
L 681uH 1 2 3 4 8 7 6 5 R7 180 Rsc 2.2
A
GND C7 D1 1N5819 ቤተ መጻሕፍቲ ባይዱ02
SW_C DRI_C SW_E Sense T_CAP VCC GND CI_IN MC34063
VCC_5 GND C8 100uF GND 1 2
1500pF GND
VCC_14 C9 330uF
VCC_14 D2
R1 30
1 2 DIANJI
1N5819 C C1 100UF IR2104_1 1 2 3 4 VCC IN SD COM IR2104 D3 GND 1N5819 IR2104_2 C2 100UF 1 2 3 4 VCC IN SD COM IR2104 D GND Size A4 Date: File: 1 2 3 2012/12/21 E:\A D study\jyd1\motor driver.SchDoc Sheet of Drawn By: 4 Number Revision Title D VB HO VS LO 8 7 6 5 M-GND C4 1uF R3 R4 30 30 GND M-GND VB HO VS LO 8 7 6 5 C3 1uF M-GND R2 30 VCC_7.2 Q4 LR7843 Q3 LR7843 R 0R 470uF C6 C
R6 4.7k
R5 470
MGND GND VCC_5 VCC_7.2 VCC_7.2 M-GND 1 2 VCC_14 GND VCC_14 1 2 VCC_7.2 1 M-GND 2 B
B
GND
VCC_5 GND
1 2
PWM-IN
PWM2 PWM1
SD
3 2 1
Q1 LR7843
Q2 LR7843
2
3
4
A
L 681uH 1 2 3 4 8 7 6 5 R7 180 Rsc 2.2
A
GND C7 D1 1N5819 ቤተ መጻሕፍቲ ባይዱ02
SW_C DRI_C SW_E Sense T_CAP VCC GND CI_IN MC34063
VCC_5 GND C8 100uF GND 1 2
1500pF GND
VCC_14 C9 330uF
VCC_14 D2
R1 30
1 2 DIANJI
1N5819 C C1 100UF IR2104_1 1 2 3 4 VCC IN SD COM IR2104 D3 GND 1N5819 IR2104_2 C2 100UF 1 2 3 4 VCC IN SD COM IR2104 D GND Size A4 Date: File: 1 2 3 2012/12/21 E:\A D study\jyd1\motor driver.SchDoc Sheet of Drawn By: 4 Number Revision Title D VB HO VS LO 8 7 6 5 M-GND C4 1uF R3 R4 30 30 GND M-GND VB HO VS LO 8 7 6 5 C3 1uF M-GND R2 30 VCC_7.2 Q4 LR7843 Q3 LR7843 R 0R 470uF C6 C
R6 4.7k
R5 470
MGND GND VCC_5 VCC_7.2 VCC_7.2 M-GND 1 2 VCC_14 GND VCC_14 1 2 VCC_7.2 1 M-GND 2 B
B
GND
VCC_5 GND
1 2
PWM-IN
PWM2 PWM1
SD
3 2 1
Q1 LR7843
Q2 LR7843