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Pmod-7seg9

fm4dd·pmod-7seg9·kicad/7seg9.kicad_pcb

Pmod-7seg9 PCB layout, top view — open source board by fm4dd
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About the Pmod-7seg9 PCB

Pmod-7seg9 is an open source PCB design by fm4dd, published on GitHub under the CERN-OHL-1.2 license. It is a 2-layer board measuring 103 × 20.3 mm, with 13 components from 9 distinct parts.

Other key parts include the SGM6603-5.0 and TM1640. By type, the board carries 3 capacitors, 2 ICs, 2 resistors, 1 connector and 1 inductor.

It belongs with the displays & leds and power & battery designs in this gallery.

From the project

Single-row PMOD with nine multiplexed seven-segment LED digits.

This PMOD provides a 9-digit (3x3) 7-segment LED display output to FPGA designs via a single row PMOD connector. The LED segments are driven by the TM1640 LED driver IC from Titan Microelectronics. The TM1640 can only handle "common cathode" display types. It implements the required multiplexing, LED resistance and 8-level output power control that greatly reduces the passive components needed to drive LED displays. The TM1640 driver IC interfaces with application logic through a simplified two-wire serial protocol that has similarities with I2C. A small DCDC boost converter SGM6603 raises…

Pmod-7seg9, from the project README
From the project README

Main components on the Pmod-7seg9

SGM6603-5.0TM1640

Pmod-7seg9 bill of materials (BOM)

13 components, 9 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
SGM6603-5.0
U1
1
TM1640
U2
1
PMOD_01X06
PMOD_01x06
J1
3
7SEG_C533SR-A
DP1, DP2, DP3
1
TOOL2
TOOLING_HOLE_1.152
1
4.7UH
4.7uH
L1
2
10UF
10uF
C1, C2
1
100UF
100uF
C3
2
10K
R1, R2

Pmod-7seg9 design files

The KiCad project lives in the fm4dd/pmod-7seg9 repository on GitHub; these links point at the commit this page was built from.

Pmod-7seg9: common questions

How big is the Pmod-7seg9 PCB?

The Pmod-7seg9 measures 103 × 20.3 mm, has 2 copper layers and is 0.8 mm thick.

How many components are on the Pmod-7seg9?

13 components, from 9 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 Pmod-7seg9 design files?

From the fm4dd/pmod-7seg9 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 Pmod-7seg9 design in my own project?

Yes, under the terms of its CERN-OHL-1.2 license, which fm4dd chose for the repository.

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