Teacup interposer

thingino·teacup-neo·hw/interposer/teacup-interposer.kicad_pcb

Teacup interposer PCB layout, top view — open source board by thingino

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About the Teacup interposer PCB

Teacup interposer is an open source PCB design by thingino, published on GitHub under the GPL-3.0 license. It is a 4-layer board measuring 133.4 × 31.3 mm, with 29 components from 11 distinct parts.

Other key parts include the T31ZX and W25Q32JVSS. By type, the board carries 22 capacitors, 3 resistors, 2 ICs, 1 crystal and 1 connector.

It belongs with the dev boards & breakouts designs in this gallery.

From the project

Universal Ingenic SoC development platform: one carrier + per-SoC interposer modules (T10 through A1, any package) on a DDR4 card edge, with an ESP32-S3 BMC for autonomous LLM-driven development.

A universal development platform for any Ingenic SoC — T10, T20, T21, T23, T30, T31, T32, T33, T40, T41, and the A1 NVR processor — regardless of package (QFN88 / QFN96 / BGA232 / BGA356 / BGA381).

Two boards: - a carrier — the universal baseboard: adjustable SoC power, all peripherals, full pin breakout, and an on-board ESP32-S3 management controller so an agent (an LLM, CI, or a human) can drive the target wired or wireless — flash, reset, boot-select, console, and voltage-margin it hands-off; - a small per-SoC interposer — the SoC + its package fanout + clock + decoupling + straps (+…

Main components on the Teacup interposer

T31ZX W25Q32JVSS

Teacup interposer bill of materials (BOM)

29 components, 11 distinct parts — part numbers from the project's BOM.

Qty	Part	Footprint	Refs
1	T31ZX Lumissil	QFN35P900X900X90-89N-D	IC1
1	W25Q32JVSS Winbond Electronics	SOIC-8_5.3x5.3mm_P1.27mm	U4
1	NX2016SA-24MHZ-EXS00A-CS07553 24 MHz NDK	Crystal_SMD_2016-4Pin_2.0x1.6mm	Y1
1	DIMM-DDR4	DIMM-DDR4	J1
1	100NF 100nF	C_0603_1608Metric	C19
2	12PF 12pF	C_0402_1005Metric	C20, C21
1	4.7UF 4.7uF	C_0603_1608Metric_Pad1.08x0.95mm_HandSolder	C22
17	100nF	C_0402_1005Metric	C25, C26, C30, C31, C32, C34, C35, C36 +9
1	100NF 100nF	C_0402_1005Metric	C28
2	100k	R_0603_1608Metric	R10, R11
1	1M	R_0402_1005Metric	R21

Teacup interposer design files

The KiCad project lives in the thingino/teacup-neo repository on GitHub; these links point at the commit this page was built from.

Teacup interposer: common questions

How big is the Teacup interposer PCB?

The Teacup interposer measures 133.4 × 31.3 mm, has 4 copper layers and is 1.58 mm thick.

How many components are on the Teacup interposer?

29 components, from 11 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 Teacup interposer design files?

From the thingino/teacup-neo repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Teacup interposer design in my own project?

Yes, under the terms of its GPL-3.0 license, which thingino chose for the repository.

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