How does this MOSFET based motor driver designed work
Apr 18, 2020 · Make sure the MOSFET's ON resistance is specified for Vgs <= your PWM drive voltage. (i.e. read the datasheet). If you pick one where Rds (on) is specified at Vgs = 10V and …
Simple & Inexpensive Ideal-Diode MOSFET Circuits
Sep 19, 2017 · Discussed here are two circuits to perform that function. Below is the LTspice simulation of a simple ideal-diode MOSFET circuit using all transistors. The components are …
P-Channel MOSFET High-Side Switch Failure in 10–14 VDC …
Dec 15, 2025 · I am using a P-channel MOSFET (SUD50P06-15L-E3 / SUD50P06-15-GnE3) as a high-side electronic switch in a 12–14 V automotive electrical system to control auxiliary lighting.
Understanding MOSFET characteristics - Electrical Engineering …
Feb 5, 2021 · I am trying to select an n-channel MOSFET to switch a 12 V power rail. The use case here is to switch on/off a couple of LEDs which are wired in series. The LEDs (datasheet) …
transistors - Short in MOSFET between Gate and Drain - Electrical ...
Jun 14, 2021 · When The Drain and Gate of a MOSFET are connected together, A two-terminal device known as a ''diode-connected transistor'' results. if drain and gate is shorted then MOS …
mosfet - In an NMOS, does current flow from source to drain or …
Conventional current flows from Drain to Source in an N Channel MOSFET. The arrow shows body diode direction in a MOSFET with a parasitic diode between source and drain via the …
How are MOSFET gate capacitances (Cgs, Cgd) calculated?
6 Your equations are approximations to the capacitance seen between G-D and G-S of a mosfet in different regions of operation and they are derived based on the physical characteristics of …
mosfet - Solenoid driver circuit with peak hold - Electrical ...
Sep 1, 2024 · That driver can be a small relay, a low-side BJT or mosfet driver, etc. It just needs to hard-switch, our circuit will take care of switching from the 12V supply to the hold supply.
MOSFET symbol - what is the correct symbol - Electrical …
May 14, 2013 · I've been on this site now a couple of months and I notice various symbols used for MOSFETs. What is the preferred symbol for an N Channel MOSFET and why?
mosfet - How does a bootstrap circuit work and how can I …
Mar 18, 2023 · The bootstrap circuit is needed when you use an N-channel MOSFET as a high-side switch. That's because the MOSFET is operating as a source follower (common drain), …