2 layers308.7 × 241.8 mm
OTTOtact
cester-ino/OTTO-hardware
those specs refer to the tactile buttons version, but a led backlight button version is in the works too.
229 parts49GPL-3.0
2 layers35.1 × 23.6 mm
Usb BBC
FrizzyElectronics/Usb-BBCLipo Charger With a Boost Converter
- Size
- 35.1 × 23.6 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 25
- Nets
- 25
- Pads
- 90
- Tracks, vias
- 168, 16
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 17 Dec 2018
- Updated
- 27 Feb 2019
Overview
Usb BBC is an open-source printed circuit board by FrizzyElectronics, from the FrizzyElectronics/Usb-BBC repository on GitHub. It is a 2-layer board of 35.1 × 23.6 mm with 25 parts on 25 nets, routed with 168 tracks and 16 vias.
It is built around the MT3608, FS312F-G and FS8205, with the TP4056 and SS34 among its other parts. Its parts include 7 resistors, 4 capacitors, 4 ICs, 3 diodes and 3 connectors. It belongs with the power boards of this library.
Main components
5
MT3608
SOT-23-6-40℃~+85℃ 1 1.2MHz 100uA、1.6mA 2A 2V~24V Adjustable Boost Boost Built-in No SOT-23-6 DC-DC Converters ROHS西安航天民芯DC-DC ConvertersFS312F-G
SOT-23-6-40℃~+85℃ 1 2.9V 2V~4.275V 3uA Lithium Battery Not supported Protection IC SOT-23-6 Battery Management ROHSFortune SemiconBattery ManagementFS8205
SOT-23-6-55℃~+150℃ 1.2V 1W 2 N-Channel 20V 37mΩ@2.5V 6A N-Channel SOT-23-6 MOSFETs ROHSFORTUNEMOSFETs
TP4056
ESOP-8-40℃~+85℃ 1 1A 35uA 4.2V 4V~6.5V Charging IC Lithium Battery Support Support 恒流充电、恒压充电、涓流充电、自动再充电、充电终止、可编程充电电流、软启动、欠压锁定 ESOP-8 Battery Management ROHSUMWBattery Management
SS34
SMA(DO-214AC)-55℃~+125℃ 3A 40V 500uA@40V 550mV@3A Independent SMA(DO-214AC) Schottky Diodes ROHSMDDSchottky Diodes
README
README.mdUsb-BBC
Parts
25| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | 1K | Resistors_SMD:R_0603 | R2, R3, R7 |
| 2 | 22uF | Capacitors_SMD:C_1812 | C3, C4 |
| 1 | 0.1uF | Capacitors_SMD:C_0603 | C2 |
| 1 | 100R | Resistors_SMD:R_0603 | R4 |
| 1 | 10uF | Capacitors_SMD:C_0603 | C1 |
| 1 | 22nH | Inductors_SMD:L_7.3x7.3_H4.5 | L1 |
| 1 | 2K | Resistors_SMD:R_0603 | R5 |
| 1 | 4k | Resistors_SMD:R_0603 | R1 |
| 1 | 7.5K | Resistors_SMD:R_0603 | R6 |
| 1 | BAT-Connector | Connectors_JST:JST_PH_S2B-PH-SM4-TB_02x2.00mm_Angled | P2 |
| 1 | BAT-THT | Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm | P3 |
| 1 | FS312F-G | TO_SOT_Packages_SMD:SOT-23-6 | U3 |
| 1 | FS8205 | TO_SOT_Packages_SMD:SOT-23-6 | U4 |
| 1 | GREEN | LEDs:LED_0603_HandSoldering | D1 |
| 1 | LOGO | logos_frizzy:glance | G*** |
| 1 | MT3608 | TO_SOT_Packages_SMD:SOT-23-6 | U5 |
| 1 | OUT-5V | Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm | OUT |
| 1 | RED | LEDs:LED_0603_HandSoldering | D2 |
| 1 | SS34 | Diodes_SMD:D_SMA | D3 |
| 1 | SW_SPDT | Switches:SWITCH_SPST_SMD_A | SW1 |
| 1 | TP4056 | Housings_SOIC:HTSOP-8-1EP_3.9x4.9mm_Pitch1.27mm_ThermalVias | U2 |
| 1 | USB_OTG | Connectors_USB:USB_Micro-B_Molex-105017-0001 | P1 |
Questions
How big is the Usb BBC PCB?
It measures 35.1 × 23.6 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Usb BBC use?
25 parts, built around the MT3608, FS312F-G, FS8205 and TP4056. 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 BBC KiCad files?
From the FrizzyElectronics/Usb-BBC repository on GitHub, at the commit this page was made from: the board is Usb-BBC.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Usb BBC design in my own project?
Its repository states no licence, so its author keeps all rights: ask FrizzyElectronics before reusing the design.
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