# USB-C LiPo Fan and LED Controller ## Description 55 mm × 20 mm USB-C rechargeable 3.7 V LiPo PCB with switched white LED array and switched brushless fan output via JST connectors. ## Project Details - **Owner:** chgochad - **Created:** 5/18/2026 - **Last Updated:** 5/20/2026 - **Visibility:** Public ## Key Components ### D1 — [0805WBD8120S01](https://www.flux.ai/jharwinbarrozo/0805wbd8120s01~14j.md) - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/4160/0805WBD8120S01.pdf - Manufacturer Name: ORIENTAL TECHNOLOGY - Part Type: LED - Manufacturer Part Number: 0805WBD8120S01 **Pins:** - A [pin 2] - K [pin 1] ### D2 — [0805WBD8120S01](https://www.flux.ai/jharwinbarrozo/0805wbd8120s01~14j.md) - Manufacturer Name: ORIENTAL TECHNOLOGY - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/4160/0805WBD8120S01.pdf - Manufacturer Part Number: 0805WBD8120S01 - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### D3 — [0805WBD8120S01](https://www.flux.ai/jharwinbarrozo/0805wbd8120s01~14j.md) - Manufacturer Part Number: 0805WBD8120S01 - Part Type: LED - Manufacturer Name: ORIENTAL TECHNOLOGY - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/4160/0805WBD8120S01.pdf **Pins:** - A [pin 2] - K [pin 1] ### D4 — [0805WBD8120S01](https://www.flux.ai/jharwinbarrozo/0805wbd8120s01~14j.md) - Manufacturer Part Number: 0805WBD8120S01 - Part Type: LED - Manufacturer Name: ORIENTAL TECHNOLOGY - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/4160/0805WBD8120S01.pdf **Pins:** - A [pin 2] - K [pin 1] ### D5 — [0805WBD8120S01](https://www.flux.ai/jharwinbarrozo/0805wbd8120s01~14j.md) - Manufacturer Part Number: 0805WBD8120S01 - Part Type: LED - Manufacturer Name: ORIENTAL TECHNOLOGY - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/4160/0805WBD8120S01.pdf **Pins:** - A [pin 2] - K [pin 1] ### D6 — [0805WBD8120S01](https://www.flux.ai/jharwinbarrozo/0805wbd8120s01~14j.md) - Manufacturer Name: ORIENTAL TECHNOLOGY - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/4160/0805WBD8120S01.pdf - Manufacturer Part Number: 0805WBD8120S01 - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### D7 — [0805WBD8120S01](https://www.flux.ai/jharwinbarrozo/0805wbd8120s01~14j.md) - Part Type: LED - Manufacturer Part Number: 0805WBD8120S01 - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/4160/0805WBD8120S01.pdf - Manufacturer Name: ORIENTAL TECHNOLOGY **Pins:** - A [pin 2] - K [pin 1] ### D9 — [SS14](https://www.flux.ai/jecstronic/ss14~ri4.md) - Manufacturer Name: Slkor(SLKORMICRO Elec.) - Part Type: Diode - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: SS14 - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_Slkor-SLKORMICRO-Elec--SS14_C444721.pdf **Pins:** - Anode [pin A] - Cathode [pin C] ### J1 — [USB-C 2.0 Receptacle](https://www.flux.ai/vasy_skral/usb-c-2p0-receptacle~1xw.md) - Purchase Url: https://www.digikey.com/en/products/detail/gct/USB4105-GF-A/11198441 - Manufacturer Name: GTC - Symbol Style: parametric-v1 - Datasheet URL: https://gct.co/files/drawings/usb4105.pdf - Part Type: USB C - Manufacturer Part Number: USB4105-GF-A **Pins:** - CC1 [pin 6] - CC2 [pin 12] - D- [pin 7] - D- [pin 9] - D+ [pin 10] - D+ [pin 8] - GND [pin 1] - GND [pin 16] - GND [pin 15] - GND [pin 2] - SBU1 [pin 11] - SBU2 [pin 5] - VBUS [pin 3] - VBUS [pin 14] - VBUS [pin 4] - VBUS [pin 13] ### J2 — [S2B-PH-SM4-TB(LF)(SN)](https://www.flux.ai/adrian95/s2b-ph-sm4-tblfsn~b96.md) - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/ePH.pdf - Manufacturer Name: JST Sales America Inc. - Manufacturer Part Number: S2B-PH-SM4-TB(LF)(SN) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] - P2 [pin 2] ### J3 — [S2B-PH-SM4-TB(LF)(SN)](https://www.flux.ai/adrian95/s2b-ph-sm4-tblfsn~b96.md) - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/ePH.pdf - Manufacturer Name: JST Sales America Inc. - Manufacturer Part Number: S2B-PH-SM4-TB(LF)(SN) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] - P2 [pin 2] ### LED1 — [0805WBD8120S01](https://www.flux.ai/jharwinbarrozo/0805wbd8120s01~14j.md) - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/4160/0805WBD8120S01.pdf - Manufacturer Name: ORIENTAL TECHNOLOGY - Part Type: LED - Manufacturer Part Number: 0805WBD8120S01 **Pins:** - A [pin 2] - K [pin 1] ### Q1 — [FDG1024NZ](https://www.flux.ai/kicad-part-library/fdg1024nz~5ei.md) - Package or Case Code: SOT-363_SC-70-6 - Role: Dual Low-Side Load Switch - Manufacturer Part Number: FDG1024NZ - Role Details: Channel 1 switches LED return; channel 2 switches fan return. 20V, 1.2A, RDS(on) specified at 2.5V gate drive. - Datasheet URL: https://www.onsemi.com/pub/Collateral/FDG1024NZ-D.pdf **Pins:** - D [pin 3] - D [pin 6] - G [pin 5] - G [pin 2] - S [pin 1] - S [pin 4] ### SW1 — [EVQ-P46B3M](https://www.flux.ai/adrian95/evq-p46b3m~r7x.md) - Manufacturer Name: Panasonic - Package or Case Code: SW_EVQ-P46B3M - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: EVQ-P46B3M - Part Type: Switch - Datasheet URL: https://www3.panasonic.biz/ac/e_download/control/switch/light-touch/catalog/sw_lt_eng_6225s_side_eg.pdf **Pins:** - ~ [pin 2] - ~ [pin 1] ### SW2 — [EVQ-P46B3M](https://www.flux.ai/adrian95/evq-p46b3m~r7x.md) - Manufacturer Part Number: EVQ-P46B3M - Part Type: Switch - Datasheet URL: https://www3.panasonic.biz/ac/e_download/control/switch/light-touch/catalog/sw_lt_eng_6225s_side_eg.pdf - Manufacturer Name: Panasonic - Package or Case Code: SW_EVQ-P46B3M - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - ~ [pin 2] - ~ [pin 1] ### U1 — [MCP73831T-2ATI/OT](https://www.flux.ai/adrian95/mcp73831t-2atiot~46p.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Microchip Technology - Part Type: Integrated Circuit - Manufacturer Part Number: MCP73831T-2ATI/OT - Datasheet URL: https://ww1.microchip.com/downloads/en/DeviceDoc/MCP73831-Family-Data-Sheet-DS20001984H.pdf **Pins:** - PROG [pin 5] - STAT [pin 1] - VBAT [pin 3] - VDD [pin 4] - VSS [pin 2] ### U2 — [74HC74PW-Q100,118](https://www.flux.ai/lcsc/74hc74pw-q100c118~54zs.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010201_Nexperia-74HC74PW-Q100-118_C547155.pdf - Part Type: Flip Flops - Product Info Url: https://lcsc.com/product-detail/presales_Nexperia-74HC74PW-Q100-118_C547155.html - Manufacturer Part Number: 74HC74PW-Q100,118 - JLCPCB Part Class: Extended Part - Manufacturer Name: Nexperia(安世) - Package or Case Code: TSSOP-14_L5.0-W4.4-P0.65-LS6.4-BL - LCSC Part Number: C547155 **Pins:** - #1Q [pin 6] - #1RD [pin 1] - #1SD [pin 4] - #2Q [pin 8] - #2RD [pin 13] - #2SD [pin 10] - 1CP [pin 3] - 1D [pin 2] - 1Q [pin 5] - 2CP [pin 11] - 2D [pin 12] - 2Q [pin 9] - GND [pin 7] - VCC [pin 14] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/chgochad/usb-c-lipo-fan-and-led-controller~vq](https://www.flux.ai/chgochad/usb-c-lipo-fan-and-led-controller~vq).* --- *Generated from [https://www.flux.ai/chgochad/usb-c-lipo-fan-and-led-controller~vq](https://www.flux.ai/chgochad/usb-c-lipo-fan-and-led-controller~vq)*