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12V low cut-off controller

3 months ago 143
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  • Documents
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Description

A simple Mosfet driven cut-off switch to protect a vehicle's start battery. High and low limits are software driven by the "always on" arduino.

Documents

12V Low Cut-Off Controller

PCB_12V low cut-off controller - main Board

Dash Panel

PCB_12V low cut-off controller-Dash Btn

BOM

ID Name Designator Footprint Quantity BOM_Manufacturer Part BOM_Manufacturer BOM_Supplier BOM_Supplier Part Price
1 22pF C1,C2 CAP-TH_L5.5-W5.0-P5.00-D1.2 2 CC45SL3AD220JYPNA TDK LCSC C342406 0.039
2 100nF C3 CAP-TH_L5.0-W2.5-P5.08-D0.7 1 CC1H103ZC4PD3F4D30MF Dersonic LCSC C254066 0.017
3 4.7uF C5,C9 CAP-TH_BD4.0-P1.50-D0.8-FD 2 4.7uF 50V 4*5 ValuePro LCSC C47879 0.009
4 1uF C6,C7 CAP-TH_L4.2-W3.8-P5.08-D0.6 2 05Y105M500BF3C1H0R STE(Songtian Elec) LCSC C409815 0.05
5 4.7uF C8 CAP-TH_BD5.0-P2.00-D0.8-FD 1 PKCB41H4R7MF Ymin LCSC C269935 0.023
6 470nF C10 CAP-TH_L7.6-W3.8-P5.08-D0.51 1 SR305C474KAR AVX LCSC C444744 0.539
7 100nF C11 CAP-TH_L5.0-W4.0-P5.00-D1.0 1 CT4G-0805-2X1-63V-0.1μF-K 火炬 LCSC C400087 0.043
8 330nF C12 CAP-TH_L5.9-W4.1-P5.08-D0.5 1 CT4G-1206-2X1-50V-0.33μF-K 火炬 LCSC C454409 0.147
9 S4B-XH-A (LF)(SN) CN1,CN2 CONN-TH_S4B-XH-A-LF-SN 2 - JST Sales America LCSC C157925 0.081
10 UART H1 HDR-TH_5P-P2.54-V-F 1 2.54mm 1*5p Female header BOOMELE LCSC C50950 0.054
11 1.27MM/1*2P H2 HDR-TH_2P-P1.27-V-M 1 1.27mm/1*2P BOOMELE(Boom Precision Elec) LCSC C703015 0.014
12 ICSP J2 HDR-TH_6P-P2.54-V-R2-C3-S2.54 1 Header-Male-2.54_2x3 BOOMELE LCSC C65114 0.025
13 Power LEDG1 LED-TH_BD3.0-P2.54-FD 1 204-10SUGC/S400-A5-L EVERLIGHT LCSC C99763 0.061
14 L LEDY1 LED-TH_BD3.0-P2.54-FD 1 204-10UYOC/S530-A3-L EVERLIGHT LCSC C99759 0.041
15 WJ126V-5.0-2P P1 CONN-TH_WJ126V-5.0-2P 1 WJ126V-5.0-2P ReliaPro LCSC C8404 0.065
16 IRFZ48NP Q1,Q2,Q3,Q4,Q5,Q6,Q7,Q8,Q9,Q10,Q11,Q12 TO-220AB-3_L10.4-W4.6-P2.54-L 12 IRFZ48NP VBsemi Elec LCSC C878808 0.477
17 10K R1,R7,R9,R11,R13,R15,R16,R18,R20,R22,R24,R27 RES-TH_BD2.5-L6.5-P10.50-D0.6 12 MFR0W4F1002A50 UniOhm LCSC C57436 0.008
18 220 R2,R6,R8,R10,R12,R14,R19,R21,R23,R25,R26 RES-TH_BD2.2-L6.5-P10.50-D0.6 11 MFR0W4F2200A50 UniOhm LCSC C57439 0.009
19 1K R3,R5,R33,R34 RES-TH_BD2.3-L6.5-P10.50-D0.5 4 - Chian Chia Elec LCSC C119324 0.008
20 10K R4,R35 RES-TH_BD2.3-L6.5-P10.50-D0.5 2 - Chian Chia Elec LCSC C119347 0.008
21 220 R17 RES-TH_BD4.5-L11.5-P15.50-D0.7 1 MOR02SJ0221A10 UniOhm LCSC C61340 0.025
22 1M R28,R31 RES-TH_BD2.5-L6.5-P10.50-D0.6 2 MFR0W4F1004A50 UniOhm LCSC C58596 0.01
23 390K R29,R30 RES-TH_BD2.2-L6.5-P10.50-D0.6 2 MFR0W4F3903A50 UniOhm LCSC C58647 0.007
24 IC seat SK1 DIP-28_L36.0-W10.2-P2.54-LS10.2-BL 1 - Boom Precision Elec LCSC C16653 0.051
25 ATMEGA328P-PU U1 DIP-28_L34.6-W7.3-P2.54-LS10.2-BL 1 ATMEGA328P-PU MICROCHIP LCSC C33901 3.031
26 4.096V Reference U2 SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR 1 REF3040AIDBZR TI LCSC C19415 0.89
27 LM7805L-TA3-T U3 TO-220-3_L10.0-W4.5-P2.54-L 1 LM7805L-TA3-T UTC LCSC C71106 0.137
28 Digital A U4 HDR-TH_8P-P2.54-V 1 MTP125-1108S1 MINTRON LCSC C358689 0.049
29 PWR U5 HDR-TH_8P-P2.54-V 1 MTP125-1108S1 MINTRON LCSC C358689 0.049
30 Digital B U6 HDR-TH_10P-P2.54-V 1 MTP125-1110S1 MINTRON LCSC C358690 0.051
31 Analog U7 HDR-TH_6P-P2.54-V 1 MTP125-1106S1 MINTRON LCSC C358688 0.03
32 15*10.5*21 U8,U9,U10,U11,U12,U13,U14,U15,U16,U17,U18,U19,U20 SINK-TH_L15.0-W10.5-H21.0 13 - Made in China LCSC C4649 0.107
33 K6-6136D-L1-04 U21 SW-TH_K6-6136D-L1-04 1 K6-6136D-L1-04 Rectangular Connectors - Contacts LCSC C128976 1.259
34 16MHz X1 OSC-TH_L10.0-W4.5-P5.00 1 X49SD16MSD2SC YXC LCSC C16212 0.067

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