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2 layers110 × 55 mmBack, the printed circuit board in 3D

Hardware on back.

Size
110 × 55 mm
Copper layers
2
Thickness
1.6 mm
Parts
81
Nets
49
Pads
276
Tracks, vias
497, 126
Pours
12
Routed
Yes
KiCad
KiCad 5 (file 20171130)
Created
13 Mar 2018
Updated
8 May 2018

Overview

Back is an open-source printed circuit board by laser-game, from the laser-game/back-hw repository on GitHub. It is a 2-layer board of 110 × 55 mm with 81 parts on 49 nets, routed with 497 tracks and 126 vias.

It is built around the LTC1871EMS, LTC2941CMS8E#PBF and DST1045S-A, with the BSC080N03MS G among its other parts. Its parts include 27 resistors, 26 capacitors, 8 diodes, 6 ICs and 3 connectors. It belongs with the FPGA and CPLD boards of this library.

Main components

4

README

README.md

License: CC BY-NC-ND 4.0

Back

PCB includes battery monitoring, booster and indication.

Parts

81
QtyValueFootprintReferences
910u/25VCapacitor_SMD:C_1210_3225MetricC10, C11, C16, C18, C20, C21, C22, C23, C24
8100nCapacitor_SMD:C_0805_2012MetricC3, C4, C7, C8, C12, C15, C17, C26
8120RResistor_SMD:R_0805_2012MetricR1, R2, R4, R5, R8, R9, R11, R12
610kResistor_SMD:R_0805_2012MetricR14, R15, R16, R22, R23, R27
5180RResistor_SMD:R_0805_2012MetricR3, R6, R10, R13, R21
51u/50VCapacitor_SMD:C_0805_2012MetricC1, C5, C6, C9, C14
4LTST-G563ZEGBWKLIB_Opto:LED_RGB_5050-6D1, D2, D3, D4
4M3KLIB_Mechanical:Bolt_M3H1, H2, H3, H4
22k2Resistor_SMD:R_0805_2012MetricR17, R18
24u7/25VCapacitor_SMD:C_1206_3216MetricC13, C19
2DST1045SPackage_TO_SOT_SMD:TO-277BD5, D8
2HPI1260-2R2Inductor_SMD:L_12x12mm_H4.5mmL1, L2
2MCP1826SPackage_TO_SOT_SMD:SOT-223-3_TabPin2U2, U3
1100RResistor_SMD:R_0805_2012MetricR7
110m/1%Resistor_SMD:R_1206_3216MetricR26
1150k/1%Resistor_SMD:R_0805_2012MetricR24
118kResistor_SMD:R_0805_2012MetricR19
133kResistor_SMD:R_0805_2012MetricR20
143k/1%Resistor_SMD:R_0805_2012MetricR25
147u/10VCapacitor_Tantalum_SMD:CP_EIA-3528-21_Kemet-BC2
147u/25VCapacitor_Tantalum_SMD:CP_EIA-7343-31_Kemet-DC25
1BQ24192Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mmU4
1BSC080N03MSPackage_TO_SOT_SMD:TDSON-8-1Q1
1FC681495KLIB_Connector_Power:Cliff_FC681495J2
1GREENLED_SMD:LED_0805_2012MetricD7
1IDC_02X13Connector_IDC:IDC-Header_2x13_P2.54mm_VerticalJ1
1LOGOKLIB_Logo:wykys_skillG***
1LTC1871Package_SO:MSOP-10_3x3mm_P0.5mmU5
1LTC2941CMS8EPackage_SO:MSOP-8-1EP_3x3mm_P0.65mm_EP1.68x1.88mmU6
1N42GK-04KLIB_Connector_Power:N42GK-04J3
1OSRB38C9BAKLIB_Opto:OSRB8C9BA_HorizontalU1
1REDLED_SMD:LED_0805_2012MetricD6

The 78 most common of 81 parts.

Questions

How big is the Back PCB?

It measures 110 × 55 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Back use?

81 parts, built around the LTC1871EMS, LTC2941CMS8E#PBF, DST1045S-A and BSC080N03MS G. 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 Back KiCad files?

From the laser-game/back-hw repository on GitHub, at the commit this page was made from: the board is hw/back.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Back design in my own project?

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

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