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2 layers15 × 11.3 mmEta3000 module, the printed circuit board in 3D

Eta3000 module

ealex/eta3000_module4

2S balancer module based on the ETA3000 inductive balancer IC

Size
15 × 11.3 mm
Copper layers
2
Thickness
1.6 mm
Parts
10
Nets
6
Pads
21
Tracks, vias
15, 7
Pours
4
Routed
Yes
KiCad
KiCad 5 (file 20171130)
Created
29 Aug 2022
Updated
1 Sep 2022

Overview

Eta3000 module is an open-source printed circuit board by ealex, from the ealex/eta3000_module repository on GitHub, published under the Apache-2.0 licence. It is a 2-layer board of 15 × 11.3 mm with 10 parts on 6 nets, routed with 15 tracks and 7 vias.

It is built around the ETA3000S2G and SRN3030HA-1R0Y. Its parts include 4 capacitors, 3 connectors, 1 resistor, 1 IC and 1 inductor.

Main components

2

README

README.md

eta3000_module

2S balancer module based on the ETA3000 inductive balancer IC

This uses the SOT23-6 chip and it's designed for the smallest footprint possible. The ballancing curent is intended to be low, for heat dissipation reasons. The modules are intented to be conected toghether for more than 2S packs.

TODO: update README when the PCB's are here

Parts

10
QtyValueFootprintReferences
3Conn_01x01Connector_PinSocket_2.54mm:PinSocket_1x01_P2.54mm_VerticalJ1, J2, J3
210nCapacitor_SMD:C_0805_2012MetricC1, C2
23.3uCapacitor_SMD:C_0805_2012MetricC4, C5
1500kResistor_SMD:R_0805_2012MetricR1
1ETA3000S2GPackage_TO_SOT_SMD:SOT-23-6U1
1SRN3030HA-1R0Yeta3000_module:SRN3030L1

Questions

How big is the Eta3000 module PCB?

It measures 15 × 11.3 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Eta3000 module use?

10 parts, built around the ETA3000S2G and SRN3030HA-1R0Y. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Eta3000 module KiCad files?

From the ealex/eta3000_module repository on GitHub, at the commit this page was made from: the board is eta3000_module/eta3000_module.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Eta3000 module design in my own project?

Its repository publishes it under the Apache-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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