bq24074 not charging

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gkj
 
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Joined: Wed Jan 12, 2022 9:56 am

bq24074 not charging

Post by gkj »

Two of my bq24074 chargers don't seem to be charging my batteries. When i connect power both the CHG and Pgood leds come on. The Voltage across the battery terminals remains low. Batteries never charge regardless how long I leave them connected. I bought 3 bq24074 the first one is working fine in my weather station for many months now (connected to a 6V solar panel). But my second project keeps draining the battery to under 2V despite good charger, I have tried 5.5V solar, 5V 2A charger and 10V 1A charger not working.

any guidance on troubleshooting?

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