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give output for C tpye
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what are potential problem in this design
collinsemasi

collinsemasi

@copilot what are potential problem in this design
2y

copilot

Reviewing the Brave Power Management Board (Rev 2) design, I've identified several areas that could potentially present issues or could be improved for reliability and functionality. Here are some potential problems:
  1. Power Path Selection for Solar and USB Sources:
    • The design indicates Q1 is used to disconnect the SOLAR input when both SOLAR and USB are connected, utilizing a depletion-type MOSFET (SI2333DS-T1-E3). However, depletion-type MOSFETs are normally on, which might not behave as intended without a proper control mechanism to ensure reliable switching between power sources.
  2. Voltage Regulation and Protection:
    • The project provides 12V, 5V, and 3.3V outputs but lacks specific details on the voltage regulators or protection mechanisms (e.g., overvoltage, undervoltage, overcurrent protection) for these outputs. Without appropriate protection, connected devices might be at risk from voltage spikes or incorrect power source selection.
  3. Solar Panel Input Management:
    • The revised maximum input voltage from the solar panel is up to 30V. It's crucial to have a proper MPPT (Maximum Power Point Tracking) controller or at least a robust voltage regulation system to efficiently utilize solar power. There is no specific component or circuitry mentioned for handling the solar input efficiently.
  4. Battery Charging Circuit:
    • While it mentions the battery can be recharged by solar energy, there are no detailed specifications or components listed (e.g., charging IC) specifically for managing the charging process (e.g., current control, end-of-charge detection). This could lead to inefficient charging or potential battery damage.
  5. USB Power Path:
    • The design allows being powered by a USB port if needed. It's critical to ensure that there is a proper power pathway from USB to the system, including considerations for USB current limitations (typically 500mA for USB 2.0) and potential negotiation protocols for higher currents if using USB 3.0 or USB-C.
  6. Decoupling and Filtering Capacitors:
    • While some capacitors are mentioned, ensuring adequate decoupling for ICs and filtering for noise-sensitive components is crucial. It's also important to place these capacitors physically close to their respective power pins on the ICs.
  7. Thermal Management:
    • For components that may dissipate significant heat (e.g., voltage regulators, MOSFET Q1), there is no mention of thermal management strategies. Without proper heat sinking or thermal pathways, components may overheat under high power conditions.
  8. Layout Considerations:
    • Specific layout considerations, such as the note indicating C11 should be close to Pin 45 of RP2040, are crucial. Ensuring critical components are placed appropriately to minimize noise, impedance, and potential interference is important. Details on the layout are not provided but are essential for the board's reliability and performance.
  9. Miscellaneous:
    • Multiple designator prefixes such as "VBAT", "VSOLAR", and "VUSB" are used for power nets. While not inherently a problem, clear delineation or state diagrams on how these power sources interact or switch would provide clarity.
    • Proper labeling and documentation of nets and connections are crucial for future debugging and revisions. Some nets might require more descriptive names or documentation to explain their role or function in the design.
Addressing these areas through thorough review, simulation, and prototype testing can help mitigate potential issues and improve the overall reliability and functionality of the Brave Power Management Board.
2y
3
write a poem about this project
collinsemasi

collinsemasi

@copilot write a poem about this project
2y

copilot

Ode to the Brave Power Board
In a realm where electrons dance and sway,
A board emerges, brave, not one to fray.
With 12v, 5v, and 3.3v gleams,
It powers dreams beyond mere dreams.
Solar whispers and battery songs,
Harmonize where this board belongs.
A USB port lends its might,
Ensuring power through darkest night.
From J3 to the nets that weave,
Complex paths that none could conceive.
Components like R9 hold steadfast,
In roles they're cast, none unsurpassed.
VBAT, the lifeblood, flows with grace,
Connecting, empowering every space.
While SW, a guardian in the night,
Switches realms without a fight.
Q1 stands guard at the gate,
Ensuring power paths articulate.
U3 adjusts with precision keen,
A symphony of power, unseen.
Capacitors like C4 store,
The energy of electron lore.
Inductors like L1 refine,
The currents that through circuits shine.
Through nets like vines, connections spread,
From ISET to the ground's stead.
A landscape rich, complex, and wide,
Where power and logic coincide.
This board, a testament to human thought,
Of battles with entropy fought and won.
A symphony of silicon, a dance of charge,
A craft that engineers, large-hearted, barge.
So here's to the BRAVE POWER MANAGEMENT BOARD,
A marvel, a tool, an electronic sword.
May it power dreams, both big and small,
A testament to human wit, standing tall.
2y
2
VUSB
VSOLAR
Q1 Disconnects SOLAR input when both SOLAR and USB are connected. NOTE: This is a depletion type mosfet
D7
Q1
  • Ground
    Ground
    A common return path for electric current. Commonly known as ground.
    jharwinbarrozo
    20.5M
  • Net Portal
    Net Portal
    Wirelessly connects nets on schematic. Used to organize schematics and separate functional blocks. To wirelessly connect net portals, give them same designator. #portal
    jharwinbarrozo
    43.0M
  • Power Net Portal
    Power Net Portal
    Wirelessly connects power nets on schematic. Identical to the net portal, but with a power symbol. Used to organize schematics and separate functional blocks. To wirelessly connect power net portals, give them the same designator. #portal #power
    jharwinbarrozo
    11.4M
  • Generic Resistor
    Generic Resistor
    A generic fixed resistor ideal for rapid circuit topology development. Its footprint automatically adapts based on the selected package case code—supporting 0402, 0603, 0805, 1203, and many other standard SMD packages, as well as axial horizontal and vertical configurations. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard resistor values: 1.0 ohm, 10 ohm, 100 ohm, 1.0k ohm, 10k ohm, 100k ohm, 1.0M ohm 1.1 ohm, 11 ohm, 110 ohm, 1.1k ohm, 11k ohm, 110k ohm, 1.1M ohm 1.2 ohm, 12 ohm, 120 ohm, 1.2k ohm, 12k ohm, 120k ohm, 1.2M ohm 1.3 ohm, 13 ohm, 130 ohm, 1.3k ohm, 13k ohm, 130k ohm, 1.3M ohm 1.5 ohm, 15 ohm, 150 ohm, 1.5k ohm, 15k ohm, 150k ohm, 1.5M ohm 1.6 ohm, 16 ohm, 160 ohm, 1.6k ohm, 16k ohm, 160k ohm, 1.6M ohm 1.8 ohm, 18 ohm, 180 ohm, 1.8K ohm, 18k ohm, 180k ohm, 1.8M ohm 2.0 ohm, 20 ohm, 200 ohm, 2.0k ohm, 20k ohm, 200k ohm, 2.0M ohm 2.2 ohm, 22 ohm, 220 ohm, 2.2k ohm, 22k ohm, 220k ohm, 2.2M ohm 2.4 ohm, 24 ohm, 240 ohm, 2.4k ohm, 24k ohm, 240k ohm, 2.4M ohm 2.7 ohm, 27 ohm, 270 ohm, 2.7k ohm, 27k ohm, 270k ohm, 2.7M ohm 3.0 ohm, 30 ohm, 300 ohm, 3.0K ohm, 30K ohm, 300K ohm, 3.0M ohm 3.3 ohm, 33 ohm, 330 ohm, 3.3k ohm, 33k ohm, 330k ohm, 3.3M ohm 3.6 ohm, 36 ohm, 360 ohm, 3.6k ohm, 36k ohm, 360k ohm, 3.6M ohm 3.9 ohm, 39 ohm, 390 ohm, 3.9k ohm, 39k ohm, 390k ohm, 3.9M ohm 4.3 ohm, 43 ohm, 430 ohm, 4.3k ohm, 43K ohm, 430K ohm, 4.3M ohm 4.7 ohm, 47 ohm, 470 ohm, 4.7k ohm, 47k ohm, 470k ohm, 4.7M ohm 5.1 ohm, 51 ohm, 510 ohm, 5.1k ohm, 51k ohm, 510k ohm, 5.1M ohm 5.6 ohm, 56 ohm, 560 ohm, 5.6k ohm, 56k ohm, 560k ohm, 5.6M ohm 6.2 ohm, 62 ohm, 620 ohm, 6.2k ohm, 62K ohm, 620K ohm, 6.2M ohm 6.8 ohm, 68 ohm, 680 ohm, 6.8k ohm, 68k ohm, 680k ohm, 6.8M ohm 7.5 ohm, 75 ohm, 750 ohm, 7.5k ohm, 75k ohm, 750k ohm, 7.5M ohm 8.2 ohm, 82 ohm, 820 ohm, 8.2k ohm, 82k ohm, 820k ohm, 8.2M ohm 9.1 ohm, 91 ohm, 910 ohm, 9.1k ohm, 91k ohm, 910k ohm, 9.1M ohm #generics #CommonPartsLibrary
    jharwinbarrozo
    1.5M
  • Generic Capacitor
    Generic Capacitor
    A generic fixed capacitor ideal for rapid circuit topology development. You can choose between polarized and non-polarized types, its symbol and the footprint will automatically adapt based on your selection. Supported options include standard SMD sizes for ceramic capacitors (e.g., 0402, 0603, 0805), SMD sizes for aluminum electrolytic capacitors, and through-hole footprints for polarized capacitors. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard capacitor values: 1.0pF, 10pF, 100pF, 1000pF, 0.01uF, 0.1uF, 1.0uF, 10uF, 100uF, 1000uF, 10000uF 1.1pF, 11pF, 110pF, 1100pF 1.2pF, 12pF, 120pF, 1200pF 1.3pF, 13pF, 130pF, 1300pF 1.5pF, 15pF, 150pF, 1500pF, 0.015uF, 0.15uF, 1.5uF, 15uF, 150uF, 1500uF 1.6pF, 16pF, 160pF, 1600pF 1.8pF, 18pF, 180pF, 1800pF 2.0pF, 20pF, 200pF, 2000pF 2.2pF, 22pF, 220pF, 2200pF, 0.022uF, 0.22uF, 2.2uF, 22uF, 220uF, 2200uF 2.4pF, 24pF, 240pF, 2400pF 2.7pF, 27pF, 270pF, 2700pF 3.0pF, 30pF, 300pF, 3000pF 3.3pF, 33pF, 330pF, 3300pF, 0.033uF, 0.33uF, 3.3uF, 33uF, 330uF, 3300uF 3.6pF, 36pF, 360pF, 3600pF 3.9pF, 39pF, 390pF, 3900pF 4.3pF, 43pF, 430pF, 4300pF 4.7pF, 47pF, 470pF, 4700pF, 0.047uF, 0.47uF, 4.7uF, 47uF, 470uF, 4700uF 5.1pF, 51pF, 510pF, 5100pF 5.6pF, 56pF, 560pF, 5600pF 6.2pF, 62pF, 620pF, 6200pF 6.8pF, 68pF, 680pF, 6800pF, 0.068uF, 0.68uF, 6.8uF, 68uF, 680uF, 6800uF 7.5pF, 75pF, 750pF, 7500pF 8.2pF, 82pF, 820pF, 8200pF 9.1pF, 91pF, 910pF, 9100pF #generics #CommonPartsLibrary
    jharwinbarrozo
    1.5M
  • Generic Inductor
    Generic Inductor
    A generic fixed inductor suitable for rapid circuit topology development. The footprint automatically adapts based on the selected package, supporting standard SMD sizes (e.g., 0402, 0603, 0805) as well as well-known inductor packages such as SDR1806, PA4320, SRN6028, and SRR1260. Standard inductor values: 1.0 nH, 10 nH, 100 nH, 1.0 µH, 10 µH, 100 µH, 1.0 mH 1.2 nH, 12 nH, 120 nH, 1.2 µH, 12 µH, 120 µH, 1.2 mH 1.5 nH, 15 nH, 150 nH, 1.5 µH, 15 µH, 150 µH, 1.5 mH 1.8 nH, 18 nH, 180 nH, 1.8 µH, 18 µH, 180 µH, 1.8 mH 2.2 nH, 22 nH, 220 nH, 2.2 µH, 22 µH, 220 µH, 2.2 mH 2.7 nH, 27 nH, 270 nH, 2.7 µH, 27 µH, 270 µH, 2.7 mH 3.3 nH, 33 nH, 330 nH, 3.3 µH, 33 µH, 330 µH, 3.3 mH 3.9 nH, 39 nH, 390 nH, 3.9 µH, 39 µH, 390 µH, 3.9 mH 4.7 nH, 47 nH, 470 nH, 4.7 µH, 47 µH, 470 µH, 4.7 mH 5.6 nH, 56 nH, 560 nH, 5.6 µH, 56 µH, 560 µH, 5.6 mH 6.8 nH, 68 nH, 680 nH, 6.8 µH, 68 µH, 680 µH, 6.8 mH 8.2 nH, 82 nH, 820 nH, 8.2 µH, 82 µH, 820 µH, 8.2 mH #generics #CommonPartsLibrary
    jharwinbarrozo
    15.8k
  • Terminal
    Terminal
    An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
    natarius
  • RMCF0805JT47K0
    RMCF0805JT47K0
    47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film #forLedBlink
    jharwinbarrozo
    1.2M
  • 875105359001
    875105359001
    10uF Capacitor Aluminum Polymer 20% 16V SMD 5x5.3mm #forLedBlink #commonpartslibrary #capacitor #aluminumpolymer #radialcan
    jharwinbarrozo
    1.2M
  • CTL1206FYW1T
    CTL1206FYW1T
    Yellow 595nm LED Indication - Discrete 1.7V 1206 (3216 Metric) #forLedBlink
    jharwinbarrozo
    1.1M

[REV 2] BRAVE POWER MANAGEMENT BOARD

[REV 2] BRAVE POWER MANAGEMENT BOARD thumbnail
Brave V2 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 (now revised to accepts input voltage of upto 30V), 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

Properties

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$1.16–$2.25

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$1.84–$2.99

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$3.57–$3.87

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