Step 5: Battery Pinout I looked for schematics and battery pin lists online but it's difficult to know whether I could trust the information and where they define pin 1. I used the approach that the more information I can get, the better. Then take a lot of measurements to be sure it...
That way anyone and their dog can design something that fits in the laptop, using whatever architecture they want and/or can, not hope they can get a module that fits in one semi-arbitrary pinout. Or maybe someone can come around and design a better chassis you can plug your motherboard ...
Pinout ISL88731 (28 LD TQFN) TOP VIEW 28 27 26 25 24 23 22 NC 1 21 VDDP ACIN 2 20 LGATE VREF 3 19 PGND ICOMP 4 NC 5 18 CSOP 17 CSON VCOMP 6 NC 7 16 NC 15 VFB 8 9 10 11 12 13 14 Features • 0.5% Battery Voltage Accuracy • 3% Adapter Current Limit Accuracy • ...