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| Tek TDS3000 series, LI-PO battery conversion? |
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| Tracker:
Hi Folks, Has anyone managed to make a LI-PO pack using 18650 batteries and a balanced charger board? I figure it can't be too hard since the original tds3batc pack is 12v... The TDS3000 series has 5 pins in the battery compartment, but without a schematic diagram its hard to know what they all do... any ideas? Thanks |
| rvalente:
A quick google search brings the battery module already is lithium (not sure if lipo or liion). |
| Tracker:
yes saw that, but I want to make my own with 18650 and a balanced charger board. I just don't know the pinput and function, This is what I can measure... pin 1 Gnd pin 2 Gnd pin 3 +3v with a 1 second pulse pin 5 +14.4v pin 5 +14.8v For some reason i can't find a schematic, the 'service manual' has blank pages labeled Diagrams??? |
| Tracker:
So an update and a question.... I think I found a pinout over on another thread: https://www.eevblog.com/forum/testgear/battery-voltage-and-for-tektronix-tds-3000-series-oscilloscope/ <locating key> MINUS NC DATA (used to query the battery status) PLUS-TO-CHARGER BAT-PLUS I was thinking to just ignore the 'data' and hook up a 12.6v Li-PO balanced charger circuit... PLUS-TO-CHARGER would be the charging input to the balance board BAT-PLUS would be the Balance board output. Using this balanced board... https://www.ebay.co.uk/itm/174692848077?hash=item28ac8151cd:g:vWsAAOSwH-BfvgR9 see anything wrong with this idea? Apart from no current limit on the lipo output... |
| Extrasolar:
Hi Tracker, What data protocol might be used here ?? Because I am only getting a "Wake Up" query from the scope, but the Module is not responding back !! |
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