2 layers30.8 × 15.1 mm
2 layers80 × 47 mm
Daisy
tk20dk/daisy7Sx1262 / Sx1268 usb gateway
- Size
- 80 × 47 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 29
- Nets
- 44
- Pads
- 187
- Tracks, vias
- 428, 42
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 19 Nov 2020
- Updated
- 30 Nov 2020
Overview
Daisy is an open-source printed circuit board by tk20dk, from the tk20dk/daisy repository on GitHub, published under the MIT licence. It is a 2-layer board of 80 × 47 mm with 29 parts on 44 nets, routed with 428 tracks and 42 vias.
It is built around the LP5907MFX-3.3 and SRV05-4. Its parts include 9 capacitors, 9 resistors, 5 ICs, 2 diodes and 2 connectors. It belongs with the STM32 boards of this library.
Main components
2
LP5907MFX-3.3
SOT-23-5-40℃~+125℃@(Tj) 1 10uVrms 12uA 250mA 250mV@(250mA) 3.3V 5.5V 82dB@(1kHz) Fixed Positive Short Circuit Protection、Thermal shutdown、Enable control、Input under-voltage protection、Output discharge SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSTexas InstrumentsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
SRV05-4
SOT-23-6L-55℃~+150℃ 15V 1pF 4A 5V 5uA 6V 80W ESD Four channels IEC 61000-4-2、IEC 61000-4-5 Unidirectional SOT-23-6L ESD and Surge Protection (TVS/ESD) ROHShongjiachengESD And Surge Protection (TVS/ESD)
README
README.mddaisy
Sx1262 / Sx1268 usb gateway
Parts
29| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 470 | Resistor_SMD:R_0603_1608Metric | R4, R5, R6, R7, R8, R9 |
| 5 | 100n | Capacitor_SMD:C_0603_1608Metric | C3, C4, C5, C6, C7 |
| 2 | 1u | Capacitor_SMD:C_0805_2012Metric | C8, C9 |
| 2 | 5k1 | Resistor_SMD:R_0603_1608Metric | R1, R2 |
| 2 | E22-EBYTE | daisy:E22-EBYTE | U4, U5 |
| 2 | LED_RCGB | LED_THT:LED_D5.0mm-4 | D1, D2 |
| 2 | SMA | daisy:SMA_Molex_73251-2200_Horizontal | ANT1, ANT2 |
| 1 | 100k | Resistor_SMD:R_0603_1608Metric | R3 |
| 1 | 10u | Capacitor_Tantalum_SMD:CP_EIA-3528-12_Kemet-T | C1 |
| 1 | 22u | Capacitor_Tantalum_SMD:CP_EIA-3528-12_Kemet-T | C2 |
| 1 | Debug | Connector_PinHeader_2.54mm:PinHeader_2x04_P2.54mm_Vertical | J2 |
| 1 | LP5907MFX-3.3 | Package_TO_SOT_SMD:SOT-23-5 | U1 |
| 1 | SRV05-4 | Package_TO_SOT_SMD:SOT-23-6 | U2 |
| 1 | STM32F072C8Tx | Package_QFP:LQFP-48_7x7mm_P0.5mm | U3 |
| 1 | USB-C | daisy:USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J1 |
Questions
How big is the Daisy PCB?
It measures 80 × 47 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Daisy use?
29 parts, built around the LP5907MFX-3.3 and SRV05-4. 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 Daisy KiCad files?
From the tk20dk/daisy repository on GitHub, at the commit this page was made from: the board is kicad/daisy.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Daisy design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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