Brake_resistor_Control_Circuit

This project is a sub project for DIY FFB Pedal

OP driven circuit credit belong to Adilrepas(discord)
Pch Mosfet circuit is from: https://drmrehorst.blogspot.com/2022/05/bank-account-protection-circuit-for.html and provide by mnu-warning

Comparison of each brake resistor circuit


OP driven Brake resistor circuit


Item Quantity
Cap 1000uf 50V 1
XT30PW-M 4
Micro-USB connector SMT 1
5W 10 Ohm resistor 1
CRST030N10N(IRF530N) 1
SR5100 2
ZD10-012 diode 1
LM358G OP 1
PC817 1
1/4W 10K Ohm 1
1/4W 100 Ohm 1
1/4W 4.7K Ohm 1
1/4W 330 Ohm 1
1/4W 2.2K Ohm 2
1/4W 56K Ohm 2

P channel Mosfet driven Brake resistor circuit


IRF9540N mosfet driven

Item Quantity
Cap 1000uf 63V 1
XT30PW-M 4
5W 10 Ohm resistor 1
SR5100 2
1W 1K Ohm 2
IRF9540N 1

Edit: Change the brake resistor to 10 Ohm for safety.

TIP147T mosfet driven

Item Quantity
Cap 1000uf 63V 1
XT30PW-M 4
5W 33 Ohm resistor 1
SR5100 2
1W 1K Ohm 2
TIP147T 1