# 1SDv1 ## Description This is the circuit for Microdriver that is used for 3.7V Li-ion battery with Maintain and Non-maintain mode. ## Project Details - **Owner:** rnd2 - **Created:** 4/9/2026 - **Last Updated:** 4/9/2026 - **Visibility:** Public ## Key Components ### D1 — [SS56](https://www.flux.ai/lcsc/ss56.md) - Forward Voltage: 0.55V - JLCPCB Part Class: Extended Part - Manufacturer Name: YFSEMI(江苏佑风微) - Reverse Voltage: 60V - Diode Type: Schottky Diode - Manufacturer Part Number: SS56 - Part Type: Schottky Barrier Diodes (SBD) - LCSC Part Number: C2887444 - Package or Case Code: SMC_L6.9-W5.9-LS7.9-R-RD **Pins:** - A [pin 1] - K [pin 2] ### D2 — [Zener Diode](https://www.flux.ai/flypadre/zener-diode.md) - Part Type: Diode - Manufacturer Part Number: 1N5338BRLG - Manufacturer Name: ON Semiconductor - Datasheet URL: https://www.onsemi.com/pdf/datasheet/1n5333b-d.pdf **Pins:** - A [pin 2] - K [pin 1] ### IC1 — [8205LA](https://www.flux.ai/devadut/8205la.md) - Manufacturer Name: Shenzhen Fuman Elec - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 20V N-Channel Enhancement-Mode MOSFET - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2306121742_Shenzhen-Fuman-Elec-8205LA_C7420387.pdf - Part Type: Integrated Circuit **Pins:** - D1/D2 [pin 8] - D1/D2 [pin 1] - G1 [pin 4] - G2 [pin 5] - S1 [pin 3] - S1 [pin 2] - S2 [pin 6] - S2 [pin 7] ### J1 — [Pin Header 01x01 2.54mm Vertical - Circular Pad](https://www.flux.ai/markwuflux/pin-header-01x01-2p54mm-vertical-circular-pad.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] ### J10 — [Pin Header 01x01 2.54mm Vertical - Circular Pad](https://www.flux.ai/markwuflux/pin-header-01x01-2p54mm-vertical-circular-pad.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] ### J11 — [Pin Header 01x01 2.54mm Vertical - Circular Pad](https://www.flux.ai/markwuflux/pin-header-01x01-2p54mm-vertical-circular-pad.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] ### J12 — [Pin Header 01x01 2.54mm Vertical - Circular Pad](https://www.flux.ai/markwuflux/pin-header-01x01-2p54mm-vertical-circular-pad.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] ### J2 — [Pin Header 01x01 2.54mm Vertical - Circular Pad](https://www.flux.ai/markwuflux/pin-header-01x01-2p54mm-vertical-circular-pad.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] ### J3 — [Pin Header 01x01 2.54mm Vertical - Circular Pad](https://www.flux.ai/markwuflux/pin-header-01x01-2p54mm-vertical-circular-pad.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] ### J4 — [Pin Header 01x01 2.54mm Vertical - Circular Pad](https://www.flux.ai/markwuflux/pin-header-01x01-2p54mm-vertical-circular-pad.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] ### J5 — [Pin Header 01x01 2.54mm Vertical - Circular Pad](https://www.flux.ai/markwuflux/pin-header-01x01-2p54mm-vertical-circular-pad.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] ### J6 — [Pin Header 01x01 2.54mm Vertical - Circular Pad](https://www.flux.ai/markwuflux/pin-header-01x01-2p54mm-vertical-circular-pad.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] ### J7 — [Pin Header 01x01 2.54mm Vertical - Circular Pad](https://www.flux.ai/markwuflux/pin-header-01x01-2p54mm-vertical-circular-pad.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] ### J8 — [Pin Header 01x01 2.54mm Vertical - Circular Pad](https://www.flux.ai/markwuflux/pin-header-01x01-2p54mm-vertical-circular-pad.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] ### J9 — [Pin Header 01x01 2.54mm Vertical - Circular Pad](https://www.flux.ai/markwuflux/pin-header-01x01-2p54mm-vertical-circular-pad.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] ### LED1 — [LED-0805-Template](https://www.flux.ai/vasy_skral/led-0805-template.md) - Part Type: LED - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### LED2 — [LED-0805-Template](https://www.flux.ai/vasy_skral/led-0805-template.md) - Part Type: LED - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### LED3 — [LED 0805 (2012 Metric)](https://www.flux.ai/vasyl/led-0805-2012-metric.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### Q1 — [SI2301A](https://www.flux.ai/lcsc/si2301a.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2311091735_UMW-Youtai-Semiconductor-Co---Ltd--SI2301A_C347482.pdf - Manufacturer Part Number: SI2301A - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Part Type: MOSFETs - Product Info Url: https://lcsc.com/product-detail/MOSFET_UMW-Youtai-Semiconductor-Co-Ltd-SI2301A_C347482.html - Manufacturer Name: UMW(友台半导体) - LCSC Part Number: C347482 - JLCPCB Part Class: Extended Part **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q2 — [SI2301A](https://www.flux.ai/lcsc/si2301a.md) - Manufacturer Name: UMW(友台半导体) - JLCPCB Part Class: Extended Part - LCSC Part Number: C347482 - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Product Info Url: https://lcsc.com/product-detail/MOSFET_UMW-Youtai-Semiconductor-Co-Ltd-SI2301A_C347482.html - Part Type: MOSFETs - Manufacturer Part Number: SI2301A - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2311091735_UMW-Youtai-Semiconductor-Co---Ltd--SI2301A_C347482.pdf **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### U1 — [TP4056](https://www.flux.ai/vasy_skral/tp4056.md) - Datasheet URL: https://dlnmh9ip6v2uc.cloudfront.net/datasheets/Prototyping/TP4056.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Manufacturer Name: NanJing Top Power ASIC Corp. - Manufacturer Part Number: TP4056 **Pins:** - ~CHRG [pin 7] - ~STDBY [pin 6] - BAT [pin 5] - CE [pin 8] - EP [pin 9] - GND [pin 3] - PROG [pin 2] - TEMP [pin 1] - VCC [pin 4] ### U2 — [DW01A](https://www.flux.ai/jecstronic/dw01a.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_TF-DW01A_C436931.pdf - Manufacturer Name: TF - Part Type: Batter Management - Manufacturer Part Number: DW01A **Pins:** - CO - DO - GND - NC - VDD - VM *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/rnd2/1sdv1](https://www.flux.ai/rnd2/1sdv1).* --- *Generated from [https://www.flux.ai/rnd2/1sdv1](https://www.flux.ai/rnd2/1sdv1)*