Schematic for Block Diagram Review Demo: The "Green Dot 2040E5"...

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claribelorangeroostarpals483939

block diagram oluşturucam IMX çip var ve POE arayüzü olacak block diagram oluştur

218 days

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218 days

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here's a plot of the charging profile for U2. What charging phase would it be in...

kerry

@copilot here's a plot of the charging profile for U2. What charging phase would it be in at 3.2V?

Image

https://i.imgur.com/gaGgIiM.png

copilot

Based on the charging profile in the image, at 3.2V the battery would be in the constant current phase of charging. This phase occurs after the precharge phase and is characterized by the battery voltage rising steadily while the current remains constant. The transition to constant voltage phase happens at 4.2V according to the plot, which is after the voltage level of 3.2V in question.

kerry

The image shows a precharge phase, when is that necessary?

copilot

The precharge phase, also referred to as the trickle charge phase, is necessary when a battery has been deeply discharged below its recommended minimum voltage threshold. This phase applies a small, safe amount of current to the battery to gradually raise the voltage to a level where it can safely handle the higher current of the constant current phase.

Here are the typical conditions when a precharge phase is applied:

Deeply Discharged Battery: If the battery voltage is below a certain threshold, which can sometimes be as low as 3.0V for lithium-ion batteries, the precharge phase is used to prevent damage from applying a full charge current to an overly discharged cell.
Battery Protection: The precharge process helps in reconditioning the battery by avoiding the stress of a sudden high charge current, which can cause additional strain on an already weakened cell.
Safety: Precharging at a reduced current minimizes the risk of further damaging the cell or potentially causing thermal runaway or other hazardous conditions.

The precharge threshold (the voltage level at which the charger switches from precharge to constant current phase) is typically set by the battery management system (BMS) or charging IC (such as U2 in this project) and depends on the chemistry and recommended charging profile of the specific battery.

please review this block diagram and compare it to my project, is there anything...

kerry

@copilot please review this block diagram and compare it to my project, is there anything I'm missing?

Image

https://i.imgur.com/ofuFfS3.png

copilot

Based on your project description and the block diagram you've provided, let's perform a comparison to ensure your project encompasses all the necessary elements depicted in the block diagram:

Power Supply: The block diagram indicates the presence of:
- A solar input which can range from 4V to 6V. Your project includes the net VSOLAR, which is likely intended for solar input but the voltage range is not specified in the description.
- A battery input (LiPo) and respective elements for battery charging (U2 - CN3063) and protection, which corresponds to the battery management features in your project.
- A boost converter, for which there is no direct equivalent specified in your project. However, you have an IC1 (MT3608L) which is likely your step-up boost converter, but please ensure its output voltage is as expected.
Voltage Regulation:
- Your project has U1 (RT8059GJ5), which is a voltage regulator, and should fulfill the function of voltage regulator circuitry.
Microcontroller Unit (MCU):
- U6 (XIAO RP2040) in your project is your microcontroller, which is consistent with the block diagram.
LoRa Module:
- U4 (LoRa-E5 module) in your project represents the LoRa connectivity module, aligning with the block diagram.
Connectivity & Interfaces:
- The block diagram shows connectors for I2C, RS485, and UART. In your project, the IC2 (SP3481CN-L/TR) is used for RS485 communication. I2C connectivity is provided via the SDA and SCL nets connected to U6, and UART functionality is likely incorporated in the MCU (U6) as it has designated TX and RX pins.
- ESD protection is not explicitly mentioned in your project components, but it's crucial for preventing damage to sensitive components; consider implementing ESD protection on I/O lines.
- BOOT and RST lines are required for the MCU and potentially the LoRa module. Your project mentions the NRST net (reset), but there's no explicit reference to a BOOT net. Please ensure that proper reset lines are wired to both U6 and U4 if necessary, and consider adding a net for BOOT if required for entering the bootloader mode.
Indicators:
- The project includes red (D5) and green (D2) LEDs which likely serve as transmit (TX) and receive (RX) indicators, matching the block diagram.
Switch:
- There seems to be a disconnect for the switch element in the block diagram, which could be for enabling/disabling the boost converter. Your project includes SW1 and SW2, which could fulfill this switching function but confirm they're wired appropriately to control power flow.
USB:
- The block diagram indicates a USB as a power source or programming interface. Your project includes the VUSB net for powering the MCU, ensuring this function is covered.

Based on this analysis, your project seems to cover all major functional blocks presented in the block diagram. Make sure to confirm:

The specific function of each switch in your project.
The presence of ESD protection on communication lines.
The correct implementation of the BOOT sequence if necessary for U6 and/or U4.

Ensure all nets are connected to their corresponding components as intended and that the boost converter, if present, outputs the correct voltages for your system's requirements.

+3V3

C11

Capacitance

4u7 F

VUSB

R15

Resistance

4k7 Ω

Resistance

20k Ω

R16

Resistance

4k7 Ω

R11

Resistance

22 Ω

R14

Resistance

120 Ω

PIO2

SDA

+3V3

PIO2

Resistance

2k Ω

Resistance

15k Ω

Resistance

150k Ω

+3V3

SCL

+3V3

Capacitance

10u F

Not Recommended for New Designs

Capacitance

68p F

+3V3

VBAT

R17

Resistance

4k7 Ω

NRST

R10

Resistance

22 Ω

R13

Resistance

470 Ω

NRST

SDA

+3V3

C10

Capacitance

22u F

PIO1

+3V3

ENABLE

SCL

12_5V

C12

Capacitance

100n F

Resistance

68k Ω

PIO1

12_5V

Resistance

6k8 Ω

Capacitance

100n F

Capacitance

10u F

R18

Resistance

22 Ω

+3V3

SW2

IC2

SW1

Inductance

2u2 H

Reviews

Electrical Rule Checks

Missing Footprints

Reports parts that have no footprint.

Design Rule Checks

Overlapping Copper • 4

Des	Net	Des	Net
U4:RST	Net 19	Trace c0c0	Net 25
U4:RST	Net 19	Trace d0cb	Net 25
Trace 6dae	Net 25	R18:P2	Net 19
Trace 4083	Net 25	R18:P2	Net 19

Invalid Layer

Reports nodes that are assigned to a layer that doesn't exist in the layout stackup.

Component Overrides • 38

	Designator	Ruleset
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊

Airwires • 4

	Designators	Net
	R5:P1, U3:GND	GND
	Via-Island-11:Via-Island-11, IC1:GND	GND
	U4:RST, R18:P2	Net 19
	IC2:DE, IC2:～RE～	Net 32

Deprecated Rules

Reports nodes that are using rules that are not supported anymore.

Layers with Multiple Fills

Reports layers that have multiple copper fills of different nets. Make sure the Connected Layers rule value of nets with fills is valid.

Floating Copper • 1

	Name
	Trace 4083, Trace 6dae, Trace c0c0, Trace d0cb

Protected Intrusions

Reports intrusions from objects of other nets into polygons or fills that have the Protected layout rule applied.

Manufacturing

Manufacturer Part Number • 15

	Designator	MPN
	C12	None
	J6	None
	R1	None
	R4	None
	R8	None
	R10	None
	R11	None
	R13	None
	R14	None
	R15	None
	R16	None
	R17	None
	R18	None
	SW1	None
	SW2	None

Parts Available

Beta

Checks that all parts have a part number and are available from distributors.

System Checks

Auto-Layout

Beta

Reports issues with Auto-Layout if Flux cannot route something or must ignore a configuration.

Passive Components

Resistor Power Rating

Beta

Checks that the power traveling across a given resistor is under its rating with 50% headroom.

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Pull Up/Pull Down Presence

Beta

Checks that IC pins that require pull up or pull down resistors have them.

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Capacitor Voltage Rating

Beta

Checks that capacitors have appropriate voltage ratings to prevent overheating and ensure reliable circuit operation.

Ground
A common return path for electric current. Commonly known as ground.
jharwinbarrozo
20.5M
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
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
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
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
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
An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
natarius
RMCF0805JT47K0
47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film #forLedBlink
jharwinbarrozo
1.2M
875105359001
10uF Capacitor Aluminum Polymer 20% 16V SMD 5x5.3mm #forLedBlink #commonpartslibrary #capacitor #aluminumpolymer #radialcan
jharwinbarrozo
1.2M
CTL1206FYW1T
Yellow 595nm LED Indication - Discrete 1.7V 1206 (3216 Metric) #forLedBlink
jharwinbarrozo
1.1M

Inspect

Block Diagram Review Demo

Controls

Properties

Availability & Pricing

Distributor		Qty 1
	Arrow	$13.67–$15.06
	Digi-Key	$13.02–$15.11
	LCSC	$27.99–$29.72
	Mouser	$17.09–$17.72
	Verical	$5.04–$6.69

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