Understanding U9 and U7 Components

flux

Table

DesignatorComponent Link
U9RVT1E471M1010 470UF 25V – This SMD part is an aluminum electrolytic capacitor rated at 470µF 25V.
U7RVT1A220M0405 22UF 10V – This SMD part is an aluminum electrolytic capacitor rated at 22µF 10V (U7 is paired with U8).
dryleak

dryleak

what resistor is r1

flux

Table

DesignatorComponent Link
R10603 ±1% 5K1 – This is a chip resistor in the 0603 package with a nominal resistance of 5K1 (approximately 5.1 kΩ) and a tolerance of ±1%.
Main IC Selection
Add decoupling capacitors
Check missing components
U5
vmot
J7
LED1
J5
R2
Resistance
330 Ω
J4
J6
J8
U4
C2
Capacitance
0.1uF
H4
H1
J3
U2
U1
vmot
U3
H2
3.3
H3
C1
Capacitance
0.1uF
J10
vmot
J9
Net1
3.3
3.3
3.3
U9
J1
J2
U7
3.3
D1
3.3
U6
R1
3.3
U8
3.3
3.3

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