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list all ICs and the decoupling capacitors attached to each. Ensure to include a...
kerry

kerry

@copilot list all ICs and the decoupling capacitors attached to each. Ensure to include all ICs present in the design, including digital ICs, power converters, LDOs, etc. For every IC, clearly state:
  • What power net the decoupling capacitors are attached to. What is the stated voltage of that net.
  • The voltage rating and value of the attached decoupling capacitors.
  • Signal with the expression “[WARNING]” if any of the following conditions are met: no decoupling capacitors are attached; the voltage of the power net is higher than the voltage rating of the capacitor; No voltage range was stated for the capacitor. Give a separate “[WARNING]” for each condition. Signal with the expression “[OK]” if none of those conditions are met
  • Express the result in a markdown-formatted table
2y

copilot

Here is a summary of the ICs and their associated decoupling capacitors, the power net that the decoupling capacitors are attached to, and whether each IC meets the stated criteria.

Table

IC DesignatorDecoupling Capacitor(s)Power Net & VoltageCapacitor Voltage Rating & ValueComments
U2 (CN3063)On Power Net: VBAT, Capacitor: C5VBAT, Voltage not stated10μF, Voltage rating not stated[WARNING]: No voltage range stated for capacitor. No Voltage of given Power Net
U6 (102010428)On Power Net: +3V3, Capacitor: C11+3V3, Voltage not stated4.7μF, Voltage rating not stated[WARNING]: No voltage range stated for capacitor. No Voltage of given Power Net
IC1 (MT3608L)On Power Net: VBAT, Capacitor: C3, C7VBAT, Voltage not stated100nF, Voltage rating not stated; 22μF, Voltage rating not stated[WARNING]: No voltage range stated for capacitor. No Voltage of given Power Net
U1 (RT8059GJ5)On Power Net: VBAT, Capacitor: C4VBAT, Voltage not stated4.7μF, Voltage rating not stated[WARNING]: No voltage range stated for capacitor. No Voltage of given Power Net
U4 (317990687)On Power Net: +3V3, Capacitor: C6+3V3, Voltage not stated10μF, Voltage rating not stated[WARNING]: No voltage range stated for capacitor. No Voltage of given Power Net
IC2 (SP3485EN-L/TR)No decoupling Capacitor foundNo Power Net foundN/A[WARNING]: No decoupling capacitors are attached.
U3 (SY6280AAAC)On Power Net: +3V3, Capacitor: C12+3V3, Voltage not stated100nF, Voltage rating not stated[WARNING]: No voltage range stated for capacitor. No Voltage of given Power Net
Please, note that
  • The voltage of Power Nets is not stated in the documentation.
  • The voltage rating of decoupling capacitors is not stated in this documentation.
  • IC2 does not have any decoupling capacitors attached.
You may want to supply these missing information if available or verify with the datasheets or your design decisions if these findings state any problems.
2y
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Check that none of the unconnected pins require pull-up or pull-down resistors t...
kerry

kerry

@copilot Check that none of the unconnected pins require pull-up or pull-down resistors to ensure proper function.
2y

copilot

Keep in mind that I may not have real-time capabilities to check for unconnected pins in the physical schematic. However, I can provide some guidance based on the information provided in the project description.
Pull-up or pull-down resistors are typically needed for MCU IO Pins to ensure they are in a known state (High/Low) when they are configured as inputs and not being driven by an external device. In the provided schematic, i/o pins from the RP2040 module (U6) and LoRa-E5 module (U4) are relevant for this check.
Here are the guidelines for these specific components, and you can apply them to your actual board:
  1. XIAO RP2040 Module (U6):
  • Pins: P26_A0_D0, P27_A1_D1, P28_A2_D2, P29_A3_D3, P6_SDA_D4, P7_SCL_D5, P0_TX_D6, D7_CSn_P1_RX, D8_SCK_P2, D9_MISO_P4, D10_MOSI_P3.
  • All GPIO Pins (i.e., A0 to D10) should have pull-up or pull-down resistors if they are not connected to active devices. The specific choice of pull-up or pull-down would depend on your specific application.
  1. Seeed LoRa-E5 (U4):
  • Pins: PA13, PA14, PB15, PA15, PB4, PB3, PB7, PB6, PB5, PC1, PC0, RFIO, PA3, PA2, PB10, PA9, PA0, PB13, PB9, PB14, PA10, PB0.
  • The same as with the XIAO RP2040, GPIO pins should have proper pull-up or pull-down resistors when not actively connected.
This check should be performed in your actual schematic within the Flux.ai tool. However, these are recommendations based on typical usage, you should also refer to the specific datasheets or application notes for the XIAO RP2040 and LoRa-E5 modules for any specific requirements or recommendations they might have regarding pull-up or pull-down resistors.
Be sure to verify this information with your schematic and make the necessary adjustments.
2y
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3
Check that all reset/enable have an external pull-up or pull-down resistors. Rep...
kerry

kerry

@copilot Check that all reset/enable have an external pull-up or pull-down resistors. Report action items in an ordered list.
2y

copilot

Based on the project description provided, some devices use reset or enable pins as mechanisms to control behavior, usually activating or deactivating the device. For reliable functioning of these devices, a defined default state helps to avoid unpredictable behavior, which is usually ensured by using external pull-up or pull-down resistors.
Here are the devices on this project with corresponding reset or enable pins:
  1. IC1 (EN) - This appears to be directly connected to a voltage source, but it doesn't have an explicit pull-up or pull-down resistor.
  2. U1 (EN) - This also appears to be directly connected to a voltage source, but it doesn't have an explicit pull-up or pull-down resistor.
  3. U1 (FB) - This doesn't seem to have an explicit pull-up or pull-down resistor. The Feedback pin shouldn't require a pull-up since it's tied to a voltage divider network.
  4. U2 (FB) - This doesn't seem to have an explicit pull-up or pull-down resistor. The Feedback pin shouldn't require a pull-up since it's tied to a voltage divider network.
  5. U2 (~DONE) - No explicit pull-up or pull-down resistor is mentioned.
  6. U2 (~CHARG) - No explicit pull-up or pull-down resistor is mentioned.
  7. U4 (RST) - No explicit pull-up or pull-down resistor is mentioned. It is connected to Net NRST(P1) which does not show an associated pull-up or pull-down resistor connection.
  8. IC2 (DE and RE) - These are connected to the same net (ENABLE) and they do not have explicit pull-up or pull-down resistors.
Based on this information, we need to define explicit default state to avoid floating values and maintain a predictable behavior for the devices listed. Here are the action items in an ordered list:
  1. For IC1 (EN) pin, add an external pull-up or pull-down resistor as it doesn't currently have an explicit one.
  2. For U1 (EN) pin, add an external pull-up or pull-down resistor as it doesn't currently have an explicit one.
  3. For U2 (~DONE) pin, add an external pull-up or pull-down resistor.
  4. For U2 (~CHARG) pin, add an external pull-up or pull-down resistor.
  5. For U4 (RST), add an external pull-up or pull-down resistor.
  6. For IC2 (DE and RE) pins, add external pull-up or pull-down resistors.
Please provide additional comments or corrections, if needed.
2y
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2
+3V3
VUSB
R15
Resistance
4k7 Ω
A
R16
Resistance
4k7 Ω
R11
Resistance
22 Ω
R14
Resistance
120 Ω
+3V3
PIO2
A
SCL
+3V3
SW2
IC2
+3V3
R17
Resistance
4k7 Ω
NRST
R13
Resistance
470 Ω
B
B
RX
NRST
SDA
PIO1
DI
ENABLE
C12
Capacitance
100n F
J2
12_5V
J6
H2
H1
R18
Resistance
22 Ω
RO
+3V3
  • 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 for rapid developing circuit topology. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard resistor values: 1.0Ω 10Ω 100Ω 1.0kΩ 10kΩ 100kΩ 1.0MΩ 1.1Ω 11Ω 110Ω 1.1kΩ 11kΩ 110kΩ 1.1MΩ 1.2Ω 12Ω 120Ω 1.2kΩ 12kΩ 120kΩ 1.2MΩ 1.3Ω 13Ω 130Ω 1.3kΩ 13kΩ 130kΩ 1.3MΩ 1.5Ω 15Ω 150Ω 1.5kΩ 15kΩ 150kΩ 1.5MΩ 1.6Ω 16Ω 160Ω 1.6kΩ 16kΩ 160kΩ 1.6MΩ 1.8Ω 18Ω 180Ω 1.8KΩ 18kΩ 180kΩ 1.8MΩ 2.0Ω 20Ω 200Ω 2.0kΩ 20kΩ 200kΩ 2.0MΩ 2.2Ω 22Ω 220Ω 2.2kΩ 22kΩ 220kΩ 2.2MΩ 2.4Ω 24Ω 240Ω 2.4kΩ 24kΩ 240kΩ 2.4MΩ 2.7Ω 27Ω 270Ω 2.7kΩ 27kΩ 270kΩ 2.7MΩ 3.0Ω 30Ω 300Ω 3.0KΩ 30KΩ 300KΩ 3.0MΩ 3.3Ω 33Ω 330Ω 3.3kΩ 33kΩ 330kΩ 3.3MΩ 3.6Ω 36Ω 360Ω 3.6kΩ 36kΩ 360kΩ 3.6MΩ 3.9Ω 39Ω 390Ω 3.9kΩ 39kΩ 390kΩ 3.9MΩ 4.3Ω 43Ω 430Ω 4.3kΩ 43KΩ 430KΩ 4.3MΩ 4.7Ω 47Ω 470Ω 4.7kΩ 47kΩ 470kΩ 4.7MΩ 5.1Ω 51Ω 510Ω 5.1kΩ 51kΩ 510kΩ 5.1MΩ 5.6Ω 56Ω 560Ω 5.6kΩ 56kΩ 560kΩ 5.6MΩ 6.2Ω 62Ω 620Ω 6.2kΩ 62KΩ 620KΩ 6.2MΩ 6.8Ω 68Ω 680Ω 6.8kΩ 68kΩ 680kΩ 6.8MΩ 7.5Ω 75Ω 750Ω 7.5kΩ 75kΩ 750kΩ 7.5MΩ 8.2Ω 82Ω 820Ω 8.2kΩ 82kΩ 820kΩ 8.2MΩ 9.1Ω 91Ω 910Ω 9.1kΩ 91kΩ 910kΩ 9.1MΩ #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 10,000uF 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 20pF 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 for rapid developing circuit topology. *You can now change the footprint and 3D model at the top level anytime you want. This is the power of #generics
    jharwinbarrozo
    15.1k
  • 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

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The Green Dot 2040E5 Board wk2K 60d4

The Green Dot 2040E5 Board wk2K 60d4
Created
Last updated by kerry
1 Contributor(s)
kerry

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