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GL850G-28+AT24C02+IRF7317+带外置电源(LM22676)的USB 4口Hub原理图+PCB作品文件分享。, y- U% \8 G5 ^9 x/ d2 W8 a; H0 D
用AD画的两层板，板子比较简单，适合入门，有需要的可以看看。& p7 A( O* ?1 O
层数：2层: H# w" L2 W# m2 C: s/ M- x
用途：USB 4口Hub
# Y0 P: u7 b1 d" spcb作品截图如下：4 {, O9 ?2 ]' m! |+ {
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" N5 E7 B5 z# r5 K+ w6 k# JBOM：2 ]4 j+ m9 \+ Y3 T6 x
Comment | Designator | Quantity | Footprint | 100uF/10V | C1, C4 | 2 | RB.1/.2 | 100uF/10V | C3 | 1 | RB2.5/6 | 1uF | C5, C6 | 2 | 0805c | 103 | C7 | 1 | 0603C | 220UF/16V | C8 | 1 | RB.15/.3 | 104 | C9, C10, C28 | 3 | 0603C | 104 | C11, C12, C14, C16, C19, C20, C21, C22, C23, C24, C25 | 11 | 0603 | 10u/10V | C13 | 1 | RB.1/.2 | 100uF/25V | C15 | 1 | RB-1 | 20pF | C17, C18 | 2 | 0603 | 1uF | C26 | 1 | 0603C | 470uF/16V | C27 | 1 | rb.1/.2 | USB-A | CN1A | 1 | USBA2 | USB-A | CN1B | 1 | USB2.5-2H4D | USB | CN1M | 1 | USB-MINIB | USBx2 | CN2, CN3, CN4, CN5 | 4 | USBX2 | 1N5824 | D1 | 1 | SK54 | GREEN | D2 | 1 | led0805 | SS34 | D3 | 1 | DO-214AC | 470uF/16V | EC1 | 1 | rb.15/.3 | Fuse 1 | F1 | 1 | 1206 | 100R | FB1 | 1 | 0603 | 100R/1Mhz | FB2, FB3, FB4, FB5 | 4 | 0603 | PWR2.5 | J1 | 1 | dc408 | 10uH | L1 | 1 | L-SOP8X9 | 10K | R1 | 1 | 0603R | 20K | R2 | 1 | 0603R | 4.7K | R3 | 1 | 0603 | 470K | R4 | 1 | 0603 | 680R 1% | R5 | 1 | 0603 | 0R | R6 | 1 | 0805 | 10K | R7 | 1 | 0603 | 470R | R8 | 1 | 0603 | 100K | R9 | 1 | 0603 | 47K | R10 | 1 | 0603 | 15K | R11 | 1 | 0603 | 1.62K | R12 | 1 | 0603R | 4.7K | R13, R14, R15, R16 | 4 | 0603R | 1K | R17 | 1 | 0603R | 120R 1% | R18, R19, R20, R21 | 4 | 0603R | AMS1117-3.3 | U1 | 1 | SOT-223a | GL850G-28 | U2 | 1 | SSOP28 | AT24C02 | U3 | 1 | sop8 | IRF7317 | U4 | 1 | SO-8 | LM22676-ADJ | U5 | 1 | PSOP-8 | AZ431 | U6 | 1 | SOT-23 | LM393 | U7 | 1 | SO-8 | 12M | Y1 | 1 | 49s |
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发表于 2019-9-18 13:27
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支持！
反对！
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