enwi/PiSupply4Uninterruptable power supply for Raspberry Pi's, which can also power external HDDs
PiSupply is an open-source printed circuit board by enwi, from the enwi/PiSupply repository on GitHub, published under the LGPL-3.0 licence. It is a 2-layer board of 65 × 56.5 mm with 80 parts on 77 nets, routed with 497 tracks and 103 vias.
It is built around the ATTINY45-20SU, MP1584EN and MT3608, with the CEG8205A, TP4056 and SI3443DDV among its other parts. Its parts include 20 resistors, 15 capacitors, 15 connectors, 8 diodes and 6 ICs. It belongs with the power boards and the AVR (ATmega, ATtiny) boards of this library.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 7 | TEST_1P | Measurement_Points:Measurement_Point_Round-SMD-Pad_Small | J10, J11, J12, J13, J14, J15, J16 |
| 5 | 10k | Resistors_SMD:R_0805 | R2, R3, R4, R18, R19 |
| 5 | 10µF | Capacitors_SMD:C_0805 | C1, C2, C6, C7, C11 |
| 4 | nodetech_custom:smd_pad | , , , | |
| 4 | 100µF | Capacitors_SMD:C_1210 | C3, C4, C5, C15 |
| 3 | 0.1µF | Capacitors_SMD:C_0805 | C8, C9, C10 |
| 3 | 1k | Resistors_SMD:R_0805 | R5, R10, R20 |
| 3 | CONN_01X02 | Socket_Strips:Socket_Strip_Straight_1x02_Pitch2.54mm | J3, J4, J5 |
| 3 | SI3443DDV | nodetech_custom:TSOP-6 | Q1, Q2, Q3 |
| 3 | SS34 | Diodes_SMD:D_SMA | D2, D4, D5 |
| 2 | 1.5k | Resistors_SMD:R_0805 | R11, R12 |
| 2 | 100k | Resistors_SMD:R_0805 | R13, R14 |
| 2 | LED Green | LEDs:LED_0603 | D3, D7 |
| 1 | 10 k pot TC33X-2-103E | nodetech_custom:Potentiometer_Trimmer_EIA_3mm | RV1 |
| 1 | 100 | Resistors_SMD:R_0805 | R9 |
| 1 | 100nF | Capacitors_SMD:C_0805 | C13 |
| 1 | 150pF | Capacitors_SMD:C_0805 | C12 |
| 1 | 1k2 | Resistors_SMD:R_0805 | R8 |
| 1 | 1k5 | Resistors_SMD:R_0805 | R1 |
| 1 | 221k | Resistors_SMD:R_0805 | R16 |
| 1 | 22µF | Capacitors_SMD:C_0805 | C14 |
| 1 | 4.7µH | nodetech_custom:CDRH10RT_footprint | L2 |
| 1 | 4.7µH - CDRH104R | nodetech_custom:CDRH10RT_footprint | L1 |
| 1 | 40.2k | Resistors_SMD:R_0805 | R15 |
| 1 | 47k | Resistors_SMD:R_0805 | R6 |
| 1 | 5.6k | Resistors_SMD:R_0805 | R17 |
| 1 | 6.2k | Resistors_SMD:R_0805 | R7 |
| 1 | ATTINY45-20SU | Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm | U1 |
| 1 | Barrel_Jack | Connectors:BARREL_JACK | J2 |
| 1 | Battery_Cell_THT | Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm | BT1 |
| 1 | Battery_Cell_THT | nodetech_custom:conn_jst_2 | BT2 |
| 1 | CEG8205A | Housings_SSOP:TSSOP-8_4.4x3mm_Pitch0.65mm | U3 |
| 1 | DW01-P | nodetech_custom:DW01-P | U5 |
| 1 | LED Blue | LEDs:LED_0603 | D6 |
| 1 | LED Red | LEDs:LED_0603 | D1 |
| 1 | MP1584 | Housings_SOIC:SOIC-8-1EP_3.9x4.9mm_Pitch1.27mm | U6 |
| 1 | MT3608 | TO_SOT_Packages_SMD:SOT-23-6 | U2 |
| 1 | NANOSMD400LR-C-2 | Fuse_Holders_and_Fuses:Fuse_SMD1206_Reflow | F1 |
| 1 | Q_NPN_BEC | TO_SOT_Packages_SMD:SOT-23 | Q4 |
| 1 | Raspberry_Pi_2_3 | Pin_Headers:Pin_Header_Straight_2x20_Pitch2.54mm_SMD | J8 |
| 1 | Raspberry_Pi_2_3 | Socket_Strips:Socket_Strip_Straight_2x20_Pitch2.54mm_SMD | J9 |
| 1 | SS34 DO214AC 1N5822 | Diodes_SMD:D_SMA | D8 |
| 1 | TP4056 | nodetech_custom:SOIC-8_3.9x4.9mm_Pitch1.27mm | U4 |
| 1 | USB_A | Connectors:USB_A | J7 |
| 1 | USB_OTG | nodetech_custom:usb_micro_smd2 | J1 |
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It measures 65 × 56.5 mm and has 2 copper layers, 1.6 mm thick.
80 parts, built around the ATTINY45-20SU, MP1584EN, MT3608 and CEG8205A. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
From the enwi/PiSupply repository on GitHub, at the commit this page was made from: the board is pcb/PiSupply.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the LGPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).