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4 layers46 × 93.7 mmBaSe PWR V3 3, the printed circuit board in 3D

Backup Server Circuit Board that contains power management and sbu

Size
46 × 93.7 mm
Copper layers
4
Thickness
1.6 mm
Parts
110
Nets
78
Pads
900
Tracks, vias
765, 234
Pours
23
Routed
Yes
KiCad
KiCad 6 (file 20211014)
Created
30 Mar 2022
Updated
30 Mar 2022

Overview

BaSe PWR V3 3 is an open-source printed circuit board by M-Welsch, from the M-Welsch/base-pcb-power repository on GitHub. It is a 4-layer board of 46 × 93.7 mm with 110 parts on 78 nets, routed with 765 tracks and 234 vias.

It is built around the ATTINY816-SN, INA2128U and ADG734BRU, with the BSS123, BS170 and CM2021Y330R-10 among its other parts. Its parts include 21 capacitors, 17 resistors, 7 transistors, 6 ICs and 6 diodes. It belongs with the AVR (ATmega, ATtiny) boards of this library.

Main components

12

README

README.md

Backup Server Power PCB

This circuit board has the following responsibilities

  • take 12V Power connection from outside
  • generate 5V and 3.3V
  • supply BananaPi and HDD
  • switch power to BananaPi and HDD (separately)
  • take BananaPi M1
  • connect to HMI Board

Parts

110
QtyValueFootprintReferences
1147kResistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder2k3, R2, R4, R8, R14, R15, R16, R17, R20, R25, Ron1
71µFCapacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolderC2, C3, C8, C10, C13, C17, C20
7742792602Inductor_SMD:L_0603_1608Metric_Pad1.05x0.95mm_HandSolderFB3, FB4, FB5, FB6, FB7, FB9, FB10
4100nFCapacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolderC1, C6, C7, C16
4ASPHSPH24K51‎ G7_Custom:BOM_ITEMCable_Stepper_preconfected1, Cable_Stepper_preconfected2, Cable_Stepper_preconfected3, Cable_Stepper_preconfected4
4MountingHoleMountingHole:MountingHole_2.2mm_M2H1, H2, H3, H4
4NOResistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolderR7, R18, R26, R27
30RResistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolderR9, R10, R11
3100kResistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolderR12, R21, R22
310kResistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolderR5, R19, Rfbt1
310µFCapacitor_SMD:C_1210_3225Metric_Pad1.42x2.65mm_HandSolderC5, C15, C18
31k2Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder2k4, R6, R24
3BSS123Package_TO_SOT_SMD:SOT-23Q2, Q6, Q7
20Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolderR13, R23
2100µFCapacitor_SMD:C_1210_3225Metric_Pad1.42x2.65mm_HandSolderC4, C11
21N4148Diode_SMD:D_SOD-123FD1, D2
2220µFCapacitor_SMD:C_Elec_6.3x7.7C14, C19
2ASXHSXH22K51G7_Custom:BOM_ITEMCable_BPi_SPLY_preconfected1, Cable_BPi_SPLY_preconfected2
2BS170Package_TO_SOT_THT:TO-92_InlineQ1, Q5
2CM2021Y330R-10G7_Custom:CMC_Laird_CM2021Y330R-10FL1, FL2
2NODiode_SMD:D_SMAD4, D5
2XHP-2G7_Custom:BOM_ITEMConn_Socket_BPi_SPLY_atJ5, Conn_Socket_BPi_SPLY1
10151670333G7_Custom:BOM_ITEMFFC_Cable1
11,87KResistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolderRfbb1
110nFCapacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolderC9
112V Power InG7_Custom:BarrelJack_Wuerth_6941xx301002J1
11kResistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolderR3
11mResistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolderR1
11nFCapacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolderC24
147nFCapacitor_SMD:C_1210_3225Metric_Pad1.42x2.65mm_HandSolderC12
1742792093Inductor_SMD:L_0805_2012Metric_Pad1.15x1.40mm_HandSolderFB2
1824501121Diode_SMD:D_SMAD3
1A4988_ModuleG7_Custom:A4988_ModuleSCT1
1ADG734Package_SO:TSSOP-20_4.4x6.5mm_P0.65mmU3
1AP2204K-3.3Package_TO_SOT_SMD:SOT-23-5_HandSolderingU7
1ASPHSPH24K152G7_Custom:BOM_ITEMCable_HDD_ENDSW_preconfected2
1ATtiny816-SPackage_SO:SOIC-20W_7.5x12.8mm_P1.27mmU5
1B4B-PH-K-S(LF)(SN)Connector_JST:JST_PH_B4B-PH-K_1x04_P2.00mm_VerticalJ6
1B9B-PH-K-S(LF)(SN)Connector_JST:JST_PH_B9B-PH-K_1x09_P2.00mm_VerticalJ4
1BPi SupplyConnector_JST:JST_XH_S2B-XH-A_1x02_P2.50mm_HorizontalJ2
1BSC028N06LS3Package_TO_SOT_SMD:TDSON-8-1Q3
1BSC093N04LSPackage_TO_SOT_SMD:TDSON-8-1Q4
1BaSe_PWR_V3_2G7_Labels:BaSe_PWR_V3_2PCB1
1BananaPi_M1G7_Custom:BananaPi-M1M1
1DebugAtTinyG7_Custom:JST_XH_B4B-XH-AM_1x04_P2.50mm_VerticalJ3
1EC2-12TNUG7_Custom:Relay_Kemet_EC2-12TNUK1
1FuseFuse:Fuse_Littelfuse-NANO2-451_453F1
1INA212Package_TO_SOT_SMD:SOT-363_SC-70-6_HandsolderingU1
1LMZ12003G7_Custom:LMZ12003_HandsolderU2
1LTC4359-MS8G7_Custom:MSOP-8_3x3mm_P0.65mm_Py0.45mmU4
1Molex 0522071860G7_Custom:Conn_FFC_Molex_52207-1860J5
1NODiode_SMD:D_SMCD6
1PHR-4G7_Custom:BOM_ITEMConn_Socket_Stepper1
1PHR-6G7_Custom:BOM_ITEMConn_Socket_at_Stepper1
1PHR-9G7_Custom:BOM_ITEMConn_Socket_PWR_HDD1

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Questions

How big is the BaSe PWR V3 3 PCB?

It measures 46 × 93.7 mm and has 4 copper layers, 1.6 mm thick.

What parts does the BaSe PWR V3 3 use?

110 parts, built around the ATTINY816-SN, INA2128U, ADG734BRU and BSS123. 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.

Where can I download the BaSe PWR V3 3 KiCad files?

From the M-Welsch/base-pcb-power repository on GitHub, at the commit this page was made from: the board is BaSe_PWR_V3_3.kicad_pcb and its schematic BaSe_PWR_V3_3.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the BaSe PWR V3 3 design in my own project?

Its repository states no licence, so its author keeps all rights: ask M-Welsch before reusing the design.