Lae801p Rev 20 | Schematic Better

Since this board relies on USB-C for charging, the communication between the charger and the PD controller is vital. If the CC1/CC2 lines are shorted, the board will never request 20V from the adapter.

Use a multimeter in Diode Mode to check the main power rails. A reading below 0.010 on the 3.3V line usually indicates a dead PCH or EC. Conclusion lae801p rev 20 schematic better

The LAE801P Rev 2.0 is a cutting-edge electronic device designed to cater to a wide range of applications. Its compact design, combined with advanced features, makes it an ideal choice for various industries, including automotive, industrial, and consumer electronics. To harness its full potential, it's essential to have a thorough understanding of its internal workings, which is where the schematic diagram comes into play. Since this board relies on USB-C for charging,

| Ref | Original Part | Better Replacement | Notes | |-----|---------------|--------------------|-------| | CM1 | Not present | Bourns RN222-4-02 | Common mode choke | | Q1 | IRFZ44N | IRFB4110 | Lower Rds(on) | | D_boot | 1N4148 | STPS1L30U | Schottky, lower Vf | | C_comp | 1nF ceramic | 4.7nF C0G | Temperature stable | | R_gate | 100Ω | 22Ω + 1N4148 | See gate drive mod | A reading below 0

The LAE801P Rev 20 schematic is not flashy. It does not add useless features or increase the component count for marketing reasons. Instead, it fixes what was quietly broken: thermal management, switching noise, transient response, and manufacturability.