12VSupport
svpetry
System to support a vehicle 12V electrical system with a LiIon battery to prevent the lead battery from depletion.
Components (54)
| Reference | Value | Description |
|---|---|---|
| Q1-Q3,Q7 | IRLML2502 | |
| Q4 | IRLR7843 | |
| U1 | LM2596S-5 | 5V 3A Step-Down Voltage Regulator, TO-263 |
| U2 | PIC18F2480-ISO | |
| U4 | ACS712xLCTR-20A | ±20A Bidirectional Hall-Effect Current Sensor, +5.0V supply, 100mV/A, SOIC-8 |
| U5 | LM324 | Low-Power, Quad-Operational Amplifiers, DIP-14/SOIC-14/SSOP-14 |
| C1,C22 | 220u | Polarized capacitor |
| C2 | 680u | Polarized capacitor |
| C3,C20 | 1000u | Polarized capacitor |
| C4,C5,C8,C10,C11,C14,C16 | 100n | Unpolarized capacitor |
| C6,L3 | 10u | Inductor,Polarized capacitor |
| C7 | 10n | Unpolarized capacitor |
| C9,C12,C18 | 100u | Polarized capacitor |
| C13 | 1n | Unpolarized capacitor |
| C15,C17 | 22p | |
| C19 | 1u | |
| C21,C23 | 470u | Polarized capacitor |
| D1,D16 | SS54 | Schottky diode |
| D2-D5,D14 | SS14 | |
| D6 | DCHG | |
| D7 | CHG | |
| D8,J8 | HEATER | Generic screw terminal, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| D9 | SOC1 | |
| D10 | SOC2 | |
| D11 | SOC3 | |
| D12 | SOC4 | |
| D13 | SOC5 | |
| D15 | POWER | |
| F1 | 20A | Fuse |
| F2 | 40A | Fuse |
| J1 | 12V | Generic screw terminal, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J2 | BATT | Generic screw terminal, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J3 | BUCK_IN | Generic screw terminal, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J4 | BUCK_OUT | Generic screw terminal, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J5 | BOOST_IN | Generic screw terminal, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J6 | BOOST_OUT | Generic screw terminal, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J7 | TMP36GZ | Generic connector, single row, 01x03, script generated |
| J9 | ICSP | |
| J10 | FAN | Generic connector, single row, 01x02, script generated |
| J11 | DUO LED | Generic connector, single row, 01x03, script generated |
| J12 | SOLAR | Generic screw terminal, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J13 | OLED_I2C | Generic connector, single row, 01x04, script generated |
| K1-K4 | SLA-05VDC-SL-C | Power relay, SPDT, 30A |
| L1,L2 | 47u | Inductor with ferrite core |
| L4 | 33u | Inductor with ferrite core |
| R1,R4,R7,R18 | 1K | Resistor |
| R2,R5,R20 | 33K | Resistor |
| R3,R6,R8,R17 | 10K | Resistor |
| R9-R16,R22,R25 | 470 | |
| R19 | 680 | |
| R23 | 22K | |
| R26 | 4K7 | |
| SW1 | CALIBRATE | |
| Y1 | 10 MHz |