Low Voltage Battery Disconnect
Parts List
U1: LM1458N duaJ op-amp U 2: 78L05 or similar 5V regulator Q1: IRFZ34 or IRF520 power MOSFET D1-D6:1N4148 swtching diodę D7: 1N4001 1 Amp diodę F1: autom otive fuse (seetext)
S1: DPDT toggle świr oh
C1: 0.001 uF ceramic disk capacitor
C2-C10: 0.1 uF ceramic disk capadtor
CII: 220uF, 16V electolytic capacitor
R1-R4:10Ok 1/4W resistor
R5,R7: 1M 1/4W resistor
R6: 2.2K1/4W resistor
R8: 22 ohm 1/4W resistsor
VR1: 100K trim m er, 10 turn variety
FB1: Ferrite Bead or 10 uH inductor
Pinouts