# Current Limiting Resistors: BRAVE POWER MANAGEMENT BOARD ## Description Brave is a versatile and efficient power board that can provide 12v, 5v and 3.3v outputs for various applications. It can be powered by battery or solar panel, and the battery can be recharged by solar energy. It can also be powered by a USB port if needed. This board is ideal for IoT projects that require reliable and stable power supply in different environments. #IoT #power #management #usb ## Project Details - **Owner:** collinsemasi - **Created:** 8/28/2024 - **Last Updated:** 8/28/2024 - **Visibility:** Public ## Key Components ### D1 — [SS34](https://www.flux.ai/jecstronic/ss34~8tm.md) - Manufacturer Part Number: SS34 - Datasheet URL: https://octopart.com/datasheet/ss34-multicomp-5386508 - Part Type: Diode - Manufacturer Name: Multicomp - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### D2 — [LED_0603_1608Metric](https://www.flux.ai/adrian95/led06031608metric~990.md) - Forward Current: 20mA - Forward Voltage: 2.0V - Part Type: LED - Color: Green - Manufacturer Name: Foshan NationStar Optoelectronics - Manufacturer Part Number: NCD0603C1 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://datasheet.lcsc.com/lcsc/2008201032_Foshan-NationStar-Optoelectronics-NCD0603C1_C84264.pdf **Pins:** - P1 [pin 1] - P2 [pin 2] ### D3 — [SS34](https://www.flux.ai/jecstronic/ss34~8tm.md) - Manufacturer Part Number: SS34 - Datasheet URL: https://octopart.com/datasheet/ss34-multicomp-5386508 - Part Type: Diode - Manufacturer Name: Multicomp - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### D4 — [SS34](https://www.flux.ai/jecstronic/ss34~8tm.md) - Manufacturer Part Number: SS34 - Datasheet URL: https://octopart.com/datasheet/ss34-multicomp-5386508 - Part Type: Diode - Manufacturer Name: Multicomp - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### D5 — [LED_0603_1608Metric](https://www.flux.ai/adrian95/led06031608metric~990.md) - Color: Red - Part Type: LED - Manufacturer Name: Foshan NationStar Optoelectronics - Current: 20mA - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: NCD0603R1 - Datasheet URL: https://datasheet.lcsc.com/lcsc/2008201032_Foshan-NationStar-Optoelectronics-NCD0603R1_C84263.pdf - Forward Voltage: 2.0V **Pins:** - P1 [pin 1] - P2 [pin 2] ### IC1 — [MT3608](https://www.flux.ai/vasyl/mt3608~9zt.md) - Manufacturer Part Number: MT3608L - Datasheet URL: https://datasheet.lcsc.com/lcsc/2201121530_XI-AN-Aerosemi-Tech-MT3608L_C2932326.pdf - Part Type: Integrated Circuit - Manufacturer Name: Aerosemi Technology Co Ltd **Pins:** - EN [pin 4] - FB [pin 3] - GND [pin 2] - IN [pin 5] - NC [pin 6] - SW [pin 1] ### IC2 — [MT3608](https://www.flux.ai/vasyl/mt3608~9zt.md) - Manufacturer Part Number: MT3608 - Datasheet URL: https://datasheet.octopart.com/MT3608-Aerosemi-datasheet-138895667.pdf - Manufacturer Name: Aerosemi Technology Co Ltd - Part Type: Integrated Circuit **Pins:** - EN [pin 4] - FB [pin 3] - GND [pin 2] - IN [pin 5] - NC [pin 6] - SW [pin 1] ### J1 — [JST B2B PH K 01x02 Connector](https://www.flux.ai/jharwinbarrozo/jst-b2b-ph-k-01x02-connector~zu5.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811151524_JST-Sales-America-B2B-PH-K-S-LF-SN_C131337.pdf - Part Type: Connector - Manufacturer Part Number: B2B-PH-K-S(LF)(SN) - Manufacturer Name: JST Sales America **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] ### J2 — [DB125-3.81-4P-GN-S](https://www.flux.ai/jharwinbarrozo/db125-3p81-4p-gn-s~l9d.md) - Manufacturer Name: DIBO - Datasheet URL: https://datasheet.lcsc.com/lcsc/2301061430_DIBO-DB125-3-81-4P-GN-S_C395880.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Manufacturer Part Number: DB125-3.81-4P-GN-S **Pins:** - P1 [pin 1] - P2 [pin 2] - P3 [pin 3] - P4 [pin 4] ### J3 — [2-Position Screw Terminal](https://www.flux.ai/corynrobinson/2-position-screw-terminal~s4.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912251636_Ningbo-Kangnex-Elec-WJ500V-5-08-2P_C8465.pdf - Manufacturer Name: Ningbo Kangnex Elec - Part Type: Connector - Manufacturer Part Number: WJ500V-5.08-2P **Pins:** - P1 [pin 1] - P2 [pin 2] ### J4 — [USB_Micro](https://www.flux.ai/adrian95/usbmicro~1ej.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/2304140030_Yuandi-MICRO-03-P1-A1T2_C2682528.pdf - Manufacturer Part Number: 10118192-0001LF - Part Type: Connector **Pins:** - D- - D+ - GND - ID - VBUS ### SW1 — [SW_SPDT](https://www.flux.ai/adrian95/swspdt~q2k.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/2304140030_SHOU-HAN-MSK12C02_C431540.pdf - Manufacturer Name: SHOU HAN - Manufacturer Part Number: MSK12C02 - Part Type: Switch **Pins:** - A - B - C ### U1 — [RT8059GJ5](https://www.flux.ai/collinsemasi/rt8059gj5~n5.md) - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: RT8059GJ5 - Package or Case Code: SOT-23-5 - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811100910_Richtek-Tech-RT8059GJ5_C20542.pdf **Pins:** - EN [pin 1] - FB [pin 5] - GND [pin 2] - LX [pin 3] - VIN [pin 4] ### U3 — [SY6280](https://www.flux.ai/collinsemasi/sy6280~70.md) - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://datasheet.lcsc.com/lcsc/1808010233_Silergy-Corp-SY6280AAAC_C207620.pdf - Package or Case Code: SOT-23-5 - Manufacturer Name: Silergy Corp - Manufacturer Part Number: SY6280A AC **Pins:** - EN [pin 4] - GND [pin 2] - ISET [pin 3] - VIN [pin 5] - VOUT [pin 1] ### U4 — CN3063 Test - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811051510_ShangHai-Consonance-Elec-CN3063_C28078.pdf - Manufacturer Name: Seeed - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: CN3063 - Package or Case Code: SOP-8-EP - Part Type: Integrated Circuit **Pins:** - 9 [pin 9] - ~CHARG [pin 7] - ~DONE [pin 6] - BAT [pin 5] - FB [pin 8] - GND [pin 3] - ISET [pin 2] - TEMP [pin 1] - VIN [pin 4] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/collinsemasi/current-limiting-resistors-brave-power-management-board~xx](https://www.flux.ai/collinsemasi/current-limiting-resistors-brave-power-management-board~xx).* --- *Generated from [https://www.flux.ai/collinsemasi/current-limiting-resistors-brave-power-management-board~xx](https://www.flux.ai/collinsemasi/current-limiting-resistors-brave-power-management-board~xx)*