Given the demand, multiple "fake" schematics circulate on forums. They are usually redrawn blocks of a generic LM2596 circuit. The exclusive WLX896B schematic can be identified by three markers:
You can find the verified, high-resolution PDF of the wlx896b schematic exclusive through specialized repair databases (like Badcaps.net or ElektroTanya) or by contacting OEM suppliers who list the "Engineering Kit Rev 3.2." wlx896b schematic exclusive
The stock schematic limits the WLX896B to 10A due to the inductor’s saturation current (I_sat = 12A). However, the exclusive schematic includes an unpopulated footprint for a second inductor. By paralleling inductors and adjusting the overcurrent protection (OCP) threshold via R_sense (changing it to 0.005Ω), advanced users have pushed this module to 15A peaks. Given the demand, multiple "fake" schematics circulate on
Warning: This modification requires recalculating the feedback loop compensation (R4, C6). Do not attempt without fully understanding the exclusive schematic’s math. You can find the verified, high-resolution PDF of
B+ ──┬── VDD (pin 3) │ └── Resistor (100Ω) ── VDD again B- ──┴── VSS (pin 2)
CO (pin 1) ── Gate of FET1 (charge) DO (pin 5) ── Gate of FET2 (discharge) CS (pin 4) ── Resistor (1k) ── P- VM (pin 6) ── Resistor (2k) ── P-