High Side Switches
Some breadboard friendly High Side Switches.
Design Documents
Schematic Diagram | high_side_switches_schematic.pdf |
PCB Gerbers | high_side_switches_gerbers.zip |
The PCB for this project can be ordered at OSHpark.
The big and small versions are panelized into one board; you'll have to separate them.
Compatible MOSFET parts
Board Size | Part Name | Breakdown Voltage | Gate Voltage | Continuous Current | Gate Threshold | Recommended Operating Limits | |
VDS | VGS | ID @ 25C | VGS | at 5V | at 3.3V | ||
Small | Si2305 | -8V | ±8V | 8A | -0.8V | 3.5A | 3A |
Small | AO3401 | -30V | ±12V | 4A | -1.3V | 3.7A | 2A |
Big | AOI21357 | -30V | ±25V | 23A | -2.3V | 18A | 3A |
Big | SQD40081EL_GE3 | -40V | ±20V | 50A | -2.5V | 20A | 3A |