| v 20130925 2 |
| C 40000 40000 0 0 0 title-B.sym |
| C 44700 46400 1 0 0 LM2678S-5.0.sym |
| { |
| T 37000 51000 5 10 0 1 0 0 1 |
| footprint=TO263-7 |
| T 45400 47600 5 10 1 1 0 0 1 |
| device=LM2678S |
| T 46200 47800 5 10 1 1 0 0 1 |
| refdes=U200 |
| T 44700 46400 5 10 0 0 0 0 1 |
| pn=LM2678S-5.0 |
| T 44700 46400 5 10 0 0 0 0 1 |
| mfg=Texas Instruments |
| } |
| C 41900 46700 1 270 0 capacitor-2.sym |
| { |
| T 42600 46500 5 10 0 0 270 0 1 |
| device=POLARIZED_CAPACITOR |
| T 42000 46800 5 10 1 1 180 0 1 |
| refdes=C200 |
| T 42800 46500 5 10 0 0 270 0 1 |
| symversion=0.1 |
| T 41900 45800 5 10 1 1 90 0 1 |
| value=68uF 25V |
| T 41900 46700 5 10 0 0 0 0 1 |
| footprint=CAP8 |
| T 41900 46700 5 10 0 0 0 0 1 |
| pn=870025574003 |
| T 41900 46700 5 10 0 0 0 0 1 |
| mfg=Wurth Electronik |
| } |
| C 50000 46600 1 270 0 capacitor-2.sym |
| { |
| T 50700 46400 5 10 0 0 270 0 1 |
| device=POLARIZED_CAPACITOR |
| T 50900 46200 5 10 1 1 180 0 1 |
| refdes=C204 |
| T 50900 46400 5 10 0 0 270 0 1 |
| symversion=0.1 |
| T 50000 45700 5 10 1 1 90 0 1 |
| value=330uF 16V |
| T 50000 46600 5 10 0 0 0 0 1 |
| footprint=CAP8 |
| T 50000 46600 5 10 0 0 0 0 1 |
| pn=RL81C331MDN1KX |
| T 50000 46600 5 10 0 0 0 0 1 |
| mfg=Nichicon |
| } |
| C 48200 46800 1 0 0 inductor-1.sym |
| { |
| T 48400 47300 5 10 0 0 0 0 1 |
| device=INDUCTOR |
| T 48600 47100 5 10 1 1 0 0 1 |
| refdes=L200 |
| T 48400 47500 5 10 0 0 0 0 1 |
| symversion=0.1 |
| T 48200 46800 5 10 0 0 0 0 1 |
| footprint=SPM12565XT |
| T 48400 46700 5 10 1 1 0 0 1 |
| value=13uH |
| T 48200 46800 5 10 0 0 0 0 1 |
| pn=7443551131 |
| T 48200 46800 5 10 0 0 0 0 1 |
| mfg=Wurth Electronik |
| } |
| C 43300 45800 1 90 0 capacitor-1.sym |
| { |
| T 42600 46000 5 10 0 0 90 0 1 |
| device=CAPACITOR |
| T 43600 46100 5 10 1 1 180 0 1 |
| refdes=C201 |
| T 42400 46000 5 10 0 0 90 0 1 |
| symversion=0.1 |
| T 43300 45800 5 10 0 0 0 0 1 |
| footprint=0805 |
| T 42900 45800 5 10 1 1 90 0 1 |
| value=0.1uF 10% |
| T 43300 45800 5 10 0 0 0 0 1 |
| pn=GMK212BJ104KGHT |
| T 43300 45800 5 10 0 0 0 0 1 |
| mfg=Taiyo Yuden |
| } |
| C 48000 47400 1 180 0 capacitor-1.sym |
| { |
| T 47800 46700 5 10 0 0 180 0 1 |
| device=CAPACITOR |
| T 47400 47400 5 10 1 1 180 0 1 |
| refdes=C202 |
| T 47800 46500 5 10 0 0 180 0 1 |
| symversion=0.1 |
| T 48000 47400 5 10 0 0 90 0 1 |
| footprint=0805 |
| T 48500 47400 5 10 1 1 180 0 1 |
| value=10nF 10% |
| T 48000 47400 5 10 0 0 90 0 1 |
| pn=C0805C103K3RACTU |
| T 48000 47400 5 10 0 0 90 0 1 |
| mfg=Kemet |
| } |
| C 40800 47700 1 0 0 generic-power.sym |
| { |
| T 41000 47950 5 10 1 1 0 3 1 |
| net=+VMID:1 |
| } |
| C 42300 45800 1 180 0 generic-power.sym |
| { |
| T 42100 45550 5 10 1 1 180 3 1 |
| net=COM:1 |
| } |
| N 46900 46900 48200 46900 4 |
| N 49100 46900 51500 46900 4 |
| N 50200 46600 50200 46900 4 |
| N 50000 46900 50000 47500 4 |
| N 50000 47500 46900 47500 4 |
| N 47100 47200 46900 47200 4 |
| N 48000 47200 48000 46900 4 |
| N 45800 46400 45800 45800 4 |
| N 45800 46100 46100 46100 4 |
| N 46100 46100 46100 46400 4 |
| N 44700 47400 41000 47400 4 |
| N 41000 47400 41000 47700 4 |
| N 42100 46700 42100 47400 4 |
| N 43100 46700 43100 47400 4 |
| C 44300 47000 1 180 0 resistor-1.sym |
| { |
| T 44000 46600 5 10 0 0 180 0 1 |
| device=RESISTOR |
| T 43800 46800 5 10 0 1 180 0 1 |
| footprint=0805 |
| T 44200 46800 5 10 1 1 180 0 1 |
| refdes=R200 |
| T 44200 47200 5 10 1 1 180 0 1 |
| value=10.0k 1% |
| T 44300 47000 5 10 0 0 90 0 1 |
| pn=RC0805FR-0710KL |
| T 44300 47000 5 10 0 0 90 0 1 |
| mfg=Yageo |
| } |
| N 43400 46900 43100 46900 4 |
| N 44300 46900 44700 46900 4 |
| C 49500 45700 1 90 0 capacitor-1.sym |
| { |
| T 48800 45900 5 10 0 0 90 0 1 |
| device=CAPACITOR |
| T 49300 45800 5 10 1 1 0 0 1 |
| refdes=C203 |
| T 48600 45900 5 10 0 0 90 0 1 |
| symversion=0.1 |
| T 49500 45700 5 10 0 0 0 0 1 |
| footprint=0805 |
| T 49100 45700 5 10 1 1 90 0 1 |
| value=0.1uF 10% |
| T 49500 45700 5 10 0 0 0 0 1 |
| pn=GMK212BJ104KGHT |
| T 49500 45700 5 10 0 0 0 0 1 |
| mfg=Taiyo Yuden |
| } |
| N 49300 46600 49300 46900 4 |
| C 51300 46900 1 0 0 generic-power.sym |
| { |
| T 51500 47150 5 10 1 1 0 3 1 |
| net=+5V:1 |
| } |
| T 50400 40700 9 10 1 0 0 0 1 |
| Raspberry PI 4B Buck Converter |
| T 53900 40100 9 10 1 0 0 0 1 |
| Scott Berman |
| T 42800 41900 9 10 1 0 0 0 3 |
| Buck converter for supplying power to |
| Raspberry PI 4B. Output Voltage set to 5V. |
| 4A. Input range 9V to 20V. |
| T 42800 41300 9 10 1 0 0 0 1 |
| Switching frequency: 260 kHz |
| C 53400 42200 1 0 0 header40-2.sym |
| { |
| T 53650 50700 5 10 0 1 0 0 1 |
| device=HEADER40 |
| T 54000 50300 5 10 1 1 0 0 1 |
| refdes=J200 |
| T 53400 42200 5 10 0 0 0 0 1 |
| footprint=HEADER40_2 |
| } |
| C 55000 50100 1 0 0 generic-power.sym |
| { |
| T 55200 50350 5 10 1 1 0 3 1 |
| net=+5V:1 |
| } |
| N 55200 49600 55200 50100 4 |
| N 55200 50000 54800 50000 4 |
| N 55200 49600 54800 49600 4 |
| C 55600 42200 1 180 0 generic-power.sym |
| { |
| T 55400 41950 5 10 1 1 180 3 1 |
| net=COM:1 |
| } |
| C 53000 42200 1 180 0 generic-power.sym |
| { |
| T 52800 41950 5 10 1 1 180 3 1 |
| net=COM:1 |
| } |
| N 55400 42200 55400 49200 4 |
| N 55400 43600 54800 43600 4 |
| N 54800 46400 55400 46400 4 |
| N 54800 47600 55400 47600 4 |
| N 54800 49200 55400 49200 4 |
| N 53400 42400 52800 42400 4 |
| N 52800 42200 52800 48400 4 |
| N 53400 45200 52800 45200 4 |
| N 53400 48400 52800 48400 4 |
| C 43300 45800 1 180 0 generic-power.sym |
| { |
| T 43100 45550 5 10 1 1 180 3 1 |
| net=COM:1 |
| } |
| C 46000 45800 1 180 0 generic-power.sym |
| { |
| T 45800 45550 5 10 1 1 180 3 1 |
| net=COM:1 |
| } |
| C 49500 45700 1 180 0 generic-power.sym |
| { |
| T 49300 45450 5 10 1 1 180 3 1 |
| net=COM:1 |
| } |
| C 50400 45700 1 180 0 generic-power.sym |
| { |
| T 50200 45450 5 10 1 1 180 3 1 |
| net=COM:1 |
| } |
| N 54800 44000 55700 44000 4 |
| C 56500 44100 1 180 0 input-1.sym |
| { |
| T 56500 43800 5 10 0 0 180 0 1 |
| device=INPUT |
| T 56000 43900 5 10 1 1 0 0 1 |
| net=LED:1 |
| } |
| C 47600 45800 1 90 0 MBRB4030G-1.sym |
| { |
| T 46500 47000 5 10 0 0 90 0 1 |
| device=MBRB4030G |
| T 47000 46100 5 10 1 1 90 0 1 |
| refdes=D201 |
| T 47050 46295 5 10 0 1 90 0 1 |
| footprint=TO263-2 |
| T 47750 45595 5 10 1 1 90 0 1 |
| value=MBRB4030G |
| T 47600 45800 5 10 0 0 90 0 1 |
| pn=MBR4030G |
| T 47600 45800 5 10 0 0 90 0 1 |
| mfg=On Semi |
| } |
| C 47500 45800 1 180 0 generic-power.sym |
| { |
| T 47300 45550 5 10 1 1 180 3 1 |
| net=COM:1 |
| } |
| N 47300 46700 47300 46900 4 |
| N 47500 45800 47300 45800 4 |
| C 51000 47700 1 0 0 connector1-2.sym |
| { |
| T 51700 48600 5 10 1 1 0 6 1 |
| refdes=TP201 |
| T 51300 48550 5 10 0 0 0 0 1 |
| device=CONNECTOR_1 |
| T 51300 48750 5 10 0 0 0 0 1 |
| footprint=Pad80d40 |
| } |
| C 51200 44500 1 180 0 generic-power.sym |
| { |
| T 51000 44250 5 10 1 1 180 3 1 |
| net=COM:1 |
| } |
| N 51000 48100 50700 48100 4 |
| N 50700 48100 50700 46900 4 |
| C 51200 44200 1 0 0 connector1-2.sym |
| { |
| T 51900 45100 5 10 1 1 0 6 1 |
| refdes=TP202 |
| T 51500 45050 5 10 0 0 0 0 1 |
| device=CONNECTOR_1 |
| T 51500 45250 5 10 0 0 0 0 1 |
| footprint=Pad80d40 |
| } |
| N 51000 44500 51000 44600 4 |
| N 51000 44600 51200 44600 4 |
| C 48800 43700 1 270 0 led-2.sym |
| { |
| T 49000 43400 5 10 1 1 0 0 1 |
| refdes=D202 |
| T 49400 43600 5 10 0 0 270 0 1 |
| device=LED |
| T 48800 43700 5 10 0 0 0 0 1 |
| footprint=0805 |
| T 48800 43700 5 10 0 0 0 0 1 |
| pn=LG R971-KN-1 |
| T 48800 43700 5 10 0 0 0 0 1 |
| mfg=OSRAM |
| } |
| C 48600 44100 1 180 0 resistor-1.sym |
| { |
| T 48300 43700 5 10 0 0 180 0 1 |
| device=RESISTOR |
| T 48100 43900 5 10 0 1 180 0 1 |
| footprint=0805 |
| T 48500 43900 5 10 1 1 180 0 1 |
| refdes=R201 |
| T 48500 44300 5 10 1 1 180 0 1 |
| value=499R 1% |
| T 48600 44100 5 10 0 0 90 0 1 |
| pn=RC0805FR-07499RL |
| T 48600 44100 5 10 0 0 90 0 1 |
| mfg=Yageo |
| } |
| C 49100 42800 1 180 0 generic-power.sym |
| { |
| T 48900 42550 5 10 1 1 180 3 1 |
| net=COM:1 |
| } |
| C 47000 44100 1 0 0 generic-power.sym |
| { |
| T 47200 44350 5 10 1 1 0 3 1 |
| net=+5V:1 |
| } |
| N 47200 44100 47200 44000 4 |
| N 47200 44000 47700 44000 4 |
| N 48600 44000 48900 44000 4 |
| N 48900 44000 48900 43700 4 |