# Functional Jade Dejarik ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** emerson89 - **Created:** 3/5/2026 - **Last Updated:** 3/5/2026 - **Visibility:** Public - **System Architecture:** ```mermaid flowchart TD BAT["12V Battery"] --> FUSE["Fuse"] FUSE --> EMI["EMI Filter RC"] EMI --> TVS["TVS Clamp"] EMI --> V12["12V Rail"] BAT --> GND["Chassis GND"] subgraph LOGIC["Logic"] V12 --> U4013["CD4013 Toggle"] GND --> U4013 LEVER["Lever negative pulse"] --> QINV1["BC548 Inverter for CLK"] --> U4013 RESETIN["Reset negative pulse"] --> QINV2["BC548 Inverter for RESET"] --> U4013 U4013 --> GDRV["Gate drive"] end subgraph POWER["Lamp Power Switch"] V12 --> LAMP["H7 Lamp"] --> M1["IRLZ44N MOSFET"] --> GND GDRV --> M1 end ``` ## Key Components ### D1 — SMBJ24A - Manufacturer Name: Taiwan Semiconductor Corporation - Package: DO-214AA (SMB) - Datasheet URL: https://services.taiwansemi.com/storage/resources/datasheet/SMBJ%20SERIES_R2104.pdf - Role: TVS - Role Details: 12V automotive transient clamp across +12V to GND - Manufacturer Part Number: SMBJ24A-TR - Part Type: TVS **Pins:** - A [pin 2] - K [pin 1] ### Q1 — BC548BU - Role Details: NPN inverter for negative pulse inputs; collector pull-up to +12V; outputs to CD4013 CLK and RESET - Manufacturer Part Number: BC548BU - Part Type: Transistor - Datasheet URL: https://rocelec.widen.net/view/pdf/wnpm8l45kj/ONSM-S-A0003590719-1.pdf?t.download=true&u=5oefqw - Package: TO-92 - License: https://creativecommons.org/licenses/by/4.0/ - Role: Inverter - Manufacturer Name: onsemi **Pins:** - B [pin 2] - C [pin 1] - E [pin 3] ### Q2 — BC548BU - Manufacturer Name: onsemi - License: https://creativecommons.org/licenses/by/4.0/ - Role: Inverter - Package: TO-92 - Role Details: NPN inverter for negative pulse inputs; collector pull-up to +12V; outputs to CD4013 CLK and RESET - Datasheet URL: https://rocelec.widen.net/view/pdf/wnpm8l45kj/ONSM-S-A0003590719-1.pdf?t.download=true&u=5oefqw - Part Type: Transistor - Manufacturer Part Number: BC548BU **Pins:** - B [pin 2] - C [pin 1] - E [pin 3] ### Q3 — IRLZ44NPBF - Manufacturer Name: Infineon Technologies - Datasheet URL: https://www.mouser.com/datasheet/2/196/Infineon_IRLZ44N_DataSheet_v01_01_EN-3363447.pdf - Role Details: Low-side MOSFET switching H7 lamp; gate driven from CD4013 Q1 - Manufacturer Part Number: IRLZ44NPBF - Package: TO-220AB - Part Type: Transistor - Role: Power switch - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - D [pin 2] - G [pin 1] - S [pin 3] ### SW1 — 6x6mm micro tactile switch - Part Type: Switch - Role: Reset - Package: THT - Role Details: Momentary pushbutton for reset pulse input - Manufacturer Name: E-Switch - Purchase Url: https://shopee.ph/20Pcs-Micro-Tactile-Switch-Momentary-Tact-DIP-Switch-2Pin-6-X-6mm-Micro-Touch-Push-Button-Switch-High-5mm-6mm-7mm-8mm-9mm-i.1018846655.22773354064?sp_atk=2b55ff5c-bbfc-4967-b7e3-adb8c93c34e2&xptdk=2b55ff5c-bbfc-4967-b7e3-adb8c93c34e2&is_from_login=true - Manufacturer Part Number: TL1105CF160Q **Pins:** - P1 [pin 1] - P2 [pin 2] ### U1 — CD4013BE - Package or Case Code: DIP-14_L19.0-W7.0-P2.54-LS7.6-BL - Package: DIP-14 - JLCPCB Part Class: Extended Part - Role Details: CD4013 used as toggle memory; /Q1 fed back to D1; Q1 drives MOSFET gate - Role: Toggle latch - Part Type: Flip Flops - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2004081815_HGSEMI-CD4013BE_C507169.pdf - LCSC Part Number: C507169 - Manufacturer Part Number: CD4013BE - Product Info Url: https://lcsc.com/product-detail/Flip-Flops_HGSEMI-CD4013BE_C507169.html - Manufacturer Name: HGSEMI(华冠) **Pins:** - ~{1Q} [pin 2] - ~{2Q} [pin 12] - 1CD [pin 4] - 1CP [pin 3] - 1D [pin 5] - 1Q [pin 1] - 1SD [pin 6] - 2CD [pin 10] - 2CP [pin 11] - 2D [pin 9] - 2Q [pin 13] - 2SD [pin 8] - VDD [pin 14] - VSS [pin 7] ### U2 — 178.6764.0001 - Role: Fuse holder - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Littelfuse/Commercial Vehicle Products - Role Details: Inline blade fuse holder for +12V input - Manufacturer Part Number: 178.6764.0001 - Package: Through Hole - Part Type: Circuit Protection - Datasheet URL: https://www.littelfuse.com/media?resourcetype=datasheets&itemid=3f05f551-560b-4050-ab12-a352111d7ba3&filename=littelfuse-fuse-holder-mini-fl1-datasheet.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] ### U3 — KF128-5.08-2P-AA - Connector Rows: 1 - Operating Temperature: -40℃~+105℃ - Manufacturer Part Number: KF128-5.08-2P-AA - Package or Case Code: CONN-TH_P5.08_KF128-5.08-2P - Package: THT 5.08mm - Role: Connector - Connector Positions: 2 - Manufacturer Name: KEFA(科发) - Role Details: BAT input connector: Pin1=+12V_in, Pin2=GND_in - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2408211511_Cixi-Kefa-Elec-KF128-5-08-2P-AA_C474952.pdf - JLCPCB Part Class: Extended Part - Connector Gender: Female - Connector Pitch: 5.08mm - Current Rating: 24A - Product Info Url: https://lcsc.com/product-detail/New-Quadratic-Unclassified-Data_Cixi-Kefa-Elec-KF128-5-08-2P_C474952.html - Connector Type: Screw terminal - Part Type: Screw terminal - LCSC Part Number: C474952 **Pins:** - 1 [pin 1] - 2 [pin 2] ### U4 — KF128-5.08-2P-AA - LCSC Part Number: C474952 - Part Type: Screw terminal - Connector Type: Screw terminal - Connector Gender: Female - JLCPCB Part Class: Extended Part - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2408211511_Cixi-Kefa-Elec-KF128-5-08-2P-AA_C474952.pdf - Product Info Url: https://lcsc.com/product-detail/New-Quadratic-Unclassified-Data_Cixi-Kefa-Elec-KF128-5-08-2P_C474952.html - Current Rating: 24A - Connector Pitch: 5.08mm - Connector Positions: 2 - Package or Case Code: CONN-TH_P5.08_KF128-5.08-2P - Manufacturer Name: KEFA(科发) - Package: THT 5.08mm - Role: Connector - Connector Rows: 1 - Role Details: Lever connector: Pin1=LeverPulseNeg, Pin2=GND_ref - Operating Temperature: -40℃~+105℃ - Manufacturer Part Number: KF128-5.08-2P-AA **Pins:** - 1 [pin 1] - 2 [pin 2] ### U5 — KF128-5.08-2P-AA - Connector Positions: 2 - Package or Case Code: CONN-TH_P5.08_KF128-5.08-2P - Package: THT 5.08mm - Manufacturer Name: KEFA(科发) - Role: Connector - Connector Rows: 1 - Operating Temperature: -40℃~+105℃ - Manufacturer Part Number: KF128-5.08-2P-AA - LCSC Part Number: C474952 - Part Type: Screw terminal - Connector Type: Screw terminal - Connector Gender: Female - JLCPCB Part Class: Extended Part - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2408211511_Cixi-Kefa-Elec-KF128-5-08-2P-AA_C474952.pdf - Role Details: Lamp connector: Pin1=Lamp_to_MOSFET_D, Pin2=Lamp_to_+12V - Product Info Url: https://lcsc.com/product-detail/New-Quadratic-Unclassified-Data_Cixi-Kefa-Elec-KF128-5-08-2P_C474952.html - Current Rating: 24A - Connector Pitch: 5.08mm **Pins:** - 1 [pin 1] - 2 [pin 2] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/emerson89/functional-jade-dejarik~l0](https://www.flux.ai/emerson89/functional-jade-dejarik~l0).* --- *Generated from [https://www.flux.ai/emerson89/functional-jade-dejarik~l0](https://www.flux.ai/emerson89/functional-jade-dejarik~l0)*