USB Hub PCB Design Guide
4:26
Identifying potential USB hub candidates.
Clarifying library queries for USB hubs.
Determining priorities for the knowledge tool.
Planning tool calls for USB hub ICs.
Accessing knowledge base.
Searching for a component.
Searching library for: "2-port USB 2.0 hub controller IC, self-powered mode, QFN package preferred, upstream via USB-C (device), two downstream USB-A ports, 3.3V logic supply, activity/status LED pins, simple and common with reference designs; crystal OK or internal oscillator"
Creating search plan for: "2-port USB 2.0 hub controller IC, self-powered mode, QFN package preferred, upstream via USB-C (device), two downstream USB-A ports, 3.3V logic supply, activity/status LED pins, simple and common with reference designs; crystal OK or internal oscillator"
Searching.
Found 15 results.
Searching: "2-port USB 2.0 hub controller IC, self-powered mode, QFN package preferred, upstream via USB-C (device), two downstream USB-A ports, 3.3V logic supply, activity/status LED pins, simple and common with reference designs; crystal OK or internal oscillator"
Finished searching for a component.
Looking for "package information QFN 36 6x6" in 00001692C.pdf
Looking for "number of downstream ports" in 00001692C.pdf
Looking for "LED indicator pins description" in 00001692C.pdf
Looking for "clock source crystal frequency requirement" in 00001692C.pdf
Looking for "self-powered mode support" in 00001692C.pdf
Searching web for: "USB2512B-AEZG datasheet PDF Microchip"
Found 1 results.
Executing tool calls for USB hub controllers.
Table
| Part Name | Part UID | MPN | Package | Datasheet |
|---|---|---|---|---|
| USB2512B-AEZG | c1d4abe9-e715-4a6a-90f3-bccd45ba7acf | USB2512B-AEZG | 36‑QFN, 6x6 mm |
- Supports self‑ or bus‑powered operation; selectable via SELF_BUS_PWR bit, with optional dynamic power switching (LOCAL_PWR).
- 2 downstream ports supported in the USB251xB family.
- LED indicator pins available (e.g., SUSP_IND, HS_IND) for activity/status.
- QFN 36‑pin (6x6 mm) package is available and preferred for this family.
- Clocking: 24 MHz parallel‑resonant crystal (or external 24 MHz clock).
3:23
Clarifying tool usage.
Determining actions for components.
Using knowledge tools effectively.
Fetching USB2512B details.
Accessing knowledge base.
Searching for a component.
Searching.
Finished searching for a component.
Looking for "Typical application circuit or reference schematic and required external components" in 00001692C.pdf
Looking for "Recommended operating conditions supply voltage and current" in 00001692C.pdf
Looking for "Decoupling capacitor recommendations for VDD and VDDA pins including values and placement" in 00001692C.pdf
Looking for "LED indicator pins (activity/suspend) and example LED circuits" in 00001692C.pdf
Looking for "RESET or RESETB pin requirements and recommended RC circuit" in 00001692C.pdf
Looking for "Clock source requirements: crystal frequency, type, load capacitors, and any series or bias resistors" in 00001692C.pdf
Looking for "USB signal conditioning: recommended series resistors on D+ and D- (upstream and downstream)" in 00001692C.pdf
Looking for "Self-powered mode configuration: SELF_BUS_PWR strap, LOCAL_PWR, and required pull-ups/downs" in 00001692C.pdf
Looking for "Overcurrent and power control: OCx and PWRCTLx pins usage with external power switches" in 00001692C.pdf
Checking if I can make the changes for you.
Executing necessary tool calls.
Table
| Part Name | Purpose | Manufacturer Part Number | Quantity | Footprint | Datasheet link |
|---|---|---|---|---|---|
| 2-Port USB 2.0 Hub Controller | Core USB hub IC (self-powered capable) | USB2512B-AEZG | 1 | 36-QFN (6x6 mm) |
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Reviews
- Wirelessly connects nets on schematic. Used to organize schematics and separate functional blocks. To wirelessly connect net portals, give them same designator. #portaljharwinbarrozo43.0M
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PJ-063AH
Properties
Pricing & Availability
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