2 layers69.1 × 77.1 mm
2 layers25.4 × 50.8 mm
USB Charger
lzyang2000/PCB-Projects1- Size
- 25.4 × 50.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 18
- Nets
- 12
- Pads
- 49
- Tracks, vias
- 195, 16
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 6 Mar 2019
- Updated
- 19 Apr 2019
Overview
USB Charger is an open-source printed circuit board by lzyang2000, from the lzyang2000/PCB-Projects repository on GitHub. It is a 2-layer board of 25.4 × 50.8 mm with 18 parts on 12 nets, routed with 195 tracks and 16 vias.
It is built around the 73725-0110BLF and B560C-13-F-MS. Its parts include 4 resistors, 3 diodes, 1 IC, 1 connector and 1 inductor. It belongs with the power boards of this library.
Main components
2README
USB-Charger/README.mdUSB-Charger
Takes input of 9-18V DC and outputs power compliant with USB Battery Charging 1.2.
BOM
Parts
18| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 10.2k | Resistor_SMD:R_1020_2550Metric_Pad1.33x5.20mm_HandSolder | R5, Rbot1 |
| 2 | 22u | Capacitor_SMD:C_1812_4532Metric_Pad1.30x3.40mm_HandSolder | C_out1, C_out2 |
| 1 | .1u | Capacitor_SMD:C_1812_4532Metric_Pad1.30x3.40mm_HandSolder | C_bst1 |
| 1 | 100k | Resistor_SMD:R_1020_2550Metric_Pad1.33x5.20mm_HandSolder | R6 |
| 1 | 10u | Capacitor_SMD:C_1812_4532Metric_Pad1.30x3.40mm_HandSolder | C_in1 |
| 1 | 31.5k | Resistor_SMD:R_1020_2550Metric_Pad1.33x5.20mm_HandSolder | Rtop1 |
| 1 | 400 | Resistor_SMD:R_1020_2550Metric_Pad1.33x5.20mm_HandSolder | R_in1 |
| 1 | 56k | Resistor_SMD:R_1020_2550Metric_Pad1.33x5.20mm_HandSolder | R4 |
| 1 | 6.8u | Inductor_SMD:L_1210_3225Metric_Pad1.42x2.65mm_HandSolder | L1 |
| 1 | 73725-0110BLF | digikey-footprints:USB_A_Female_Vertical_RA_73725-0110BLF | J1 |
| 1 | B240A-13-F | digikey-footprints:DO-214AC | D1 |
| 1 | B560C-13-F | digikey-footprints:DO-214AB | D2 |
| 1 | Conn_01x02_Male | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | P_in1 |
| 1 | LED | LED_THT:LED_D5.0mm | LED1 |
| 1 | Thermistor_PTC | Resistor_SMD:R_2816_7142Metric_Pad3.20x4.45mm_HandSolder | THin1 |
| 1 | conv | digikey-footprints:SOIC-8-1EP_W3.9mm | U1 |
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Questions
How big is the USB Charger PCB?
It measures 25.4 × 50.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the USB Charger use?
18 parts, built around the 73725-0110BLF and B560C-13-F-MS. 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 USB Charger KiCad files?
From the lzyang2000/PCB-Projects repository on GitHub, at the commit this page was made from: the board is USB-Charger/Untitled.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the USB Charger design in my own project?
Its repository states no licence, so its author keeps all rights: ask lzyang2000 before reusing the design.