USB-C to SATA Hard Drive Design
0:00
Work done
- Defined and saved the USB-C to SATA system architecture in the project metadata and documented the overall design target in the project description.
- Added the core front-end hardware already available in the library: J1, U2, U3, U4, U5, Y1, J2, R1 to R4, C1 to C10, D1, D2, and TP1 to TP5.
- Chose concrete production-friendly support parts already in the library: USB-C receptacle, SATA connector, USB e-fuse, USB SuperSpeed ESD array, 3.3 V and 1.8 V LDOs, 25 MHz crystal, LEDs, and test points.
- Reported missing library coverage for the required USB-to-SATA bridge family so it can be added in the future.
Success criteria review
- ❌ Complete production-ready schematic not finished. The required USB-to-SATA bridge IC was not available as a usable library component, so the central bridge block could not be placed and wired.
- ❌ Detailed BOM with bridge alternatives not fully completed for the same reason.
- ✅ Architecture, supporting circuitry, recommended passives, protection strategy, LEDs, and test-point plan were established.
- ✅ Layout-direction intent was established at the project-description level for compact, stable, low-EMI portable use.
Next steps
The remaining blocker is the missing USB-to-SATA bridge component in the library. If you want, I can continue immediately by using a specific uploaded reference file or datasheet to finish the design around a placeholder bridge pinout, or complete the PCB/layout notes and BOM documentation while waiting for the bridge part to be added.
3 days
Needs more info.
Reviews
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USB-C to SATA portable external hard drive enclosure controller. Architecture includes USB Type-C 5 V sink input with 5.1 kΩ CC pull-downs, VBUS ESD/TVS and overcurrent protection, USB 3.2 Gen1 SuperSpeed differential pairs into a USB-to-SATA bridge, SATA data and power output for a 2.5-inch drive, regulated 3.3 V logic rail with optional 1.8 V rail if required by the bridge, 25 MHz reference clock, power/activity LEDs, and test points. Design target is compact portable use with stable spin-up power delivery, low EMI, controlled-impedance high-speed routing, and production-grade BOM options.
Properties
Pricing & Availability
Distributor | Qty 1 |
|---|---|
Arrow | $0.95–$1.05 |
Digi-Key | $0.64–$1.68 |
LCSC | $6.64–$6.66 |
Mouser | $5.69 |
TME | $0.64 |
Verical | $0.59–$3.28 |
Assets
Assets are files uploaded to this project which can be used in various ways.
Controls
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