Pacakge
About the Pacakge PCB
Pacakge is an open source PCB design by Lightiam, published on GitHub. It is a 9-layer board measuring 267 × 111.8 mm, with 27 components from 16 distinct parts.
Other key parts include the LR-GEN3-NPU-5NM, H58M16ABHX, MP5949, INA3221 and NCT6798D. By type, the board carries 16 ICs, 6 connectors, 3 diodes and 2 transistors.
From the project
Complete PCB layout design for the LightRail AI NCE (Neural Computing Engine) motherboard, engineered to professional standards with controlled impedance and high-speed signal integrity.
Complete PCB layout design for the LightRail AI NCE (Neural Computing Engine) motherboard, engineered to professional standards with controlled impedance and high-speed signal integrity.
Design Standard: Professional PCB Design (IPC-2221A, IPC-A-610E) Target: LightRail AI NCE - 5nm Neural Processor
- LightRailNCE.pro — Project configuration (KiCAD 8.0+ format) - LightRailNCE.kicadsch — Electrical schematic with symbol definitions - LightRailNCE.kicadpcb** — PCB layout with component placement
Main components on the Pacakge
Pacakge bill of materials (BOM)
27 components, 16 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LR-GEN3-NPU-5NM LightRail AI | BGA-3136_23x23_0.8mm | U1 |
| 1 | H58M16ABHX H58M16ABHX-S0 SK Hynix | BGA-1024_13x10.5_0.04mm | U2 |
| 11 | H58M16ABHX SK Hynix | BGA-1024_13x10.5_0.04mm | U3, U4, U5, U6, U7, U8, U9, U10 +3 |
| 1 | MP5949 Monolithic Power Systems | QFN-48_7x7_0.5mm | U20 |
| 1 | INA3221 Texas Instruments | TSSOP-20 | U21 |
| 1 | NCT6798D Nuvoton | QFN-48_6x6_0.5mm | U22 |
| 2 | CSD95481RWJ Texas Instruments | PK_8x8 | Q1, Q2 |
| 1 | PCIE-X16-CONNECTOR PCIe_x16 Standard | PCI_Express_x16 | J1 |
| 1 | MOLEX-5559-8PIN PEX_8pin Molex | Molex_5559_8pin | J2 |
| 1 | MOLEX-5559-6PIN PEX_6pin Molex | Molex_5559_6pin | J3 |
| 1 | 2X7-HEADER-100MIL JTAG_14pin Standard | Header_2x7 | J4 |
| 1 | JST-PH-2PIN FAN_CONNECTOR_1 JST | Conn_01x02_Pin | J5 |
| 1 | JST-PH-2PIN FAN_CONNECTOR_2 JST | Conn_01x02_Pin | J6 |
| 1 | OSRAM-LS_M67K Green_LED OSRAM | LED_1206_3216Metric | D1 |
| 1 | OSRAM-LY_M67K Yellow_LED OSRAM | LED_1206_3216Metric | D2 |
| 1 | OSRAM-LB_M67K Blue_LED OSRAM | LED_1206_3216Metric | D3 |
Pacakge design files
The KiCad project lives in the Lightiam/pacakge repository on GitHub; these links point at the commit this page was built from.
Pacakge: common questions
How big is the Pacakge PCB?
The Pacakge measures 267 × 111.8 mm, has 9 copper layers and is 2.4 mm thick.
How many components are on the Pacakge?
27 components, from 16 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 Pacakge design files?
From the Lightiam/pacakge 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 Pacakge design in my own project?
The repository has no license, so all rights stay with Lightiam. Use it as a reference, and ask the author before reusing the design.