Dongle lite-1s4l
About the Dongle lite-1s4l PCB
Dongle lite-1s4l is an open source PCB design by fcjr, published on GitHub under the Apache-2.0 license. It is a 4-layer board measuring 22 × 77 mm, with 56 components from 25 distinct parts.
Other key parts include the RP2354A, FUSB302BMPX, CH334F, RT9013-33GB and TLV70212DBVR. By type, the board carries 26 capacitors, 12 resistors, 8 ICs, 4 diodes, 2 crystals and 2 connectors.
It belongs with the power & battery designs in this gallery.
From the project
Reformat an Apple Silicon mac from any platform.
The USB 2.0 variant of the RecoverKit dongle: an RP2354A + FUSB302B board that forces an Apple Silicon / T2 Mac into DFU over USB-PD, no keyboard dance required. See ../README.md for how the dongle family works and how the Lite compares to the Dongle-Pro, ./PRD.md for the product spec, and ./BOM-sourcing.md for parts sourcing.
The host plugs into J1, the target Mac into J2. A CH334F USB 2.0 hub puts two devices on the host's bus: the RP2354A (control + CDC serial for restorekit) and the target itself. The FUSB302B drives the target CC line with Apple's vendor-defined USB-PD messages to flip…
Main components on the Dongle lite-1s4l
Dongle lite-1s4l bill of materials (BOM)
56 components, 25 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | RP2354A | QFN-60_L7.0-W7.0-P0.40-TL-EP3.4 | U1 |
| 1 | FUSB302BMPX | MLP-14_L2.5-W2.5-P0.50-BL-EP | U2 |
| 1 | CH334F | QFN-24_L4.0-W4.0-P0.50-BL-EP2.8 | U3 |
| 1 | RT9013-33GB | SOT-23-5_L3.0-W1.7-P0.95-LS2.8-BL | U5 |
| 1 | TLV70212DBVR | SOT-23-5_L3.0-W1.7-P0.95-LS2.8-BL | U6 |
| 2 | 74AVC1T45GW,125 | SC-88-6_L2.0-W1.3-P0.65-LS2.1-BL | U8, U9 |
| 1 | AP22653W6-7 | SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BR | U10 |
| 2 | X322512MSB4SI | CRYSTAL-SMD_4P-L3.2-W2.5-BL | Y1, Y2 |
| 2 | TYPE-C-31-M-12 | USB-C_SMD-TYPE-C-31-M-12_1 | J1, J2 |
| 1 | TS-1187A-B-A-B | SW-SMD_4P-L5.1-W5.1-P3.70-LS6.5-TL_H1.5 | SW1 |
| 2 | KT-0603R | LED-SMD_L1.6-W0.8-R-RD | D1, D2 |
| 2 | USBLC6-2SC6 | SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BL | D10, D11 |
| 1 | 3.3UH 3.3uH | IND-SMD_L2.0-W1.6_AOTA-B201610S3R3-101-T | L1 |
| 4 | 22PF 22pF | C0805 | C1, C2, C15, C16 |
| 6 | 1UF 1uF | C0402 | C4, C14, C18, C23, C24, C26 |
| 12 | 100NF 100nF | C0402 | C5, C8, C10, C11, C12, C13, C17, C19 +4 |
| 2 | 4.7UF 4.7uF | C0402 | C6, C9 |
| 1 | 4.7UF 100nF | C0402 | C7 |
| 1 | 10UF 10uF | C0805 | C22 |
| 2 | 10K 10k | R0402 | R1, R9 |
Show 5 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | 4.7K 4.7k | R0402 | R2, R3, R4 |
| 2 | 5.1K 5.1k | R0402 | R6, R7 |
| 1 | 47K 47k | R0603 | R8 |
| 3 | 1k | R0402 | R10, R11, R13 |
| 1 | 33 | R0402 | R12 |
Dongle lite-1s4l design files
The KiCad project lives in the fcjr/restorekit repository on GitHub; these links point at the commit this page was built from.
Dongle lite-1s4l: common questions
How big is the Dongle lite-1s4l PCB?
The Dongle lite-1s4l measures 22 × 77 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Dongle lite-1s4l?
56 components, from 25 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Dongle lite-1s4l design files?
From the fcjr/restorekit repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the Dongle lite-1s4l design in my own project?
Yes, under the terms of its Apache-2.0 license, which fcjr chose for the repository.
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