• Terminal
    Terminal
    An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
  • Ground
    A common return path for electric current. Commonly known as ground.
  • Net Portal
    A net identifier used to create connectivity to other Net Portal with the same designator. #portal
  • Power Net Portal
    Power net portal is a special schematic object used to define a power or ground net. Power ports allow you to conveniently indicate a power net at any location in the design. Power nets of the same designator automatically connect throughout your design #portal #power
  • 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
  • Generic Capacitor
    A generic fixed capacitor 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 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
  • 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
  • RMCF0805JT47K0
    47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film #forLedBlink
  • 875105359001
    10uF Capacitor Aluminum Polymer 20% 16V SMD 5x5.3mm #forLedBlink #commonpartslibrary #capacitor #aluminumpolymer #radialcan
  • CTL1206FYW1T
    Yellow 595nm LED Indication - Discrete 1.7V 1206 (3216 Metric) #forLedBlink
https://youtu.be/J0CHG\_fPxzw

10mo
U5
U1

[Demo] Component Comparison

[Demo] Component Comparison
Description

Created
March 20th 2024
Last updated by nico
a year ago
1 Contributor(s)
nico

Controls

Properties

Sensors
High-precision temperature sensor, PM2.5 sensor, VOC sensor, and CO2 sensor.
Connectivity
Wi-Fi 802.11 b/g/n
Power Requirements
Rechargeable battery with a USB-C charging port.
Accuracy
Temperature sensor accuracy of ±0.5°C, PM2.5 sensor accuracy within ±10 µg/m³
Battery Life
Minimum of 30 days on a single charge under normal usage.
Operating Temperature
-10°C to 50°C
Humidity
10% to 90% non-condensing
Capacitor Derating
Derate max voltage to 60%
Resistor Tolerance
All resistors should be 1%

Availability & Pricing

DistributorQty 1
Digi-Key$12.85
LCSC$29.64
Mouser$12.60

Assets

    Simulation

    µs

    Simulation Speed

    Generate a markdown-formatted table to compare IC1, U3, U4. Highlight the main d...
    Generate a markdown-formatted table to compare IC1, U3, U4. Highlight the main differences between them. I am especially interested in the electrical differences (maximum ratings, input and output voltages, currents, etc), pinout differences, tolerances, and main features. @copilot
    10mo
    Below is a comparison table highlighting key electrical differences, pinout variations, tolerances, and main features of IC1 (TPS62040DGQ), U3 (MCP1700T-3302E/TT), and U4 (LM36011YKBR). Please note, specific data for TPS62040DGQ wasn't available in the provided excerpts, so typical values and features based on common characteristics for this type of IC from the manufacturer are included where possible.

    Table


    Feature/SpecIC1 (TPS62040DGQ)U3 (MCP1700T-3302E/TT)U4 (LM36011YKBR)
    Maximum Input Voltage (VIN max)Typically up to 6V (estimate)6.0V5.5V
    Output Voltage (VOUT)Adjustable (estimate)3.3V (fixed output)LED drive voltage, depends on current settings
    Output Current (max)Up to 1.2A (estimate)250mA1.5A (Flash), 376mA (Torch)
    Quiescent Current (IQ typical)Low, but exact value unknown1.6uAInformation not provided
    Pin Count1138
    Key FeaturesAdjustable EN, MODE, SW pins for mode selection and enable (estimate)Low dropout, stable with 1uF output cap, Overcurrent and overtemperature protectionI2C interface, programmable LED currents, Flash and Torch modes
    Tolerance or EfficiencyHigh efficiency (estimate)High efficiency designHigh level of adjustable currents feature
    Key differences:
    • Input Voltage and Current Capabilities: U4 is designed specifically for LED driving with a high maximum output current up to 1.5A for flash mode, which is significantly higher than U3. IC1 (estimate based on typical specs for similar TI products) and U3 aim for more generalized power supply applications with lower maximum output currents.
    • Output Voltage: U3 has a fixed output voltage of 3.3V, whereas IC1 likely has an adjustable output (common for buck converters), and U4's output is not a conventional voltage output but rather current-driven for LEDs.
    • Pin Count and Features: U3, being an LDO, has the smallest pin count (3 pins), which is typical for simple power management ICs. U4 has a more complex interface (8 pins) to support its I2C compatibility and programmable features. IC1, while not specified, was assumed to have features like enable and mode selection based on typical buck converter designs, leading to a higher pin count (11 pins).
    • Specific Functionality: Each IC serves a distinct purpose—U3 for low-dropout regulation with minimal quiescent current, IC1 (based on assumption) for versatile voltage conversion with high efficiency, and U4 for precise LED current control, including programmability via I2C for sophisticated lighting applications.
    This comparison highlights the suitability of each device for various aspects of power management and control within electronic designs, reflecting their roles in your EcoSense IoT Environmental Monitor project.
    10mo
    Generate a markdown-formatted table to compare U1, U2. Highlight the main differ...
    Generate a markdown-formatted table to compare U1, U2. Highlight the main differences between them. I am especially interested in the electrical differences (maximum ratings, input and output voltages, currents, etc), pinout differences, tolerances, and main features. @copilot
    10mo
    Given the project description and the components mentioned, it sounds like U1 (STM32L476ZGT6P) and U2 (STM32L4R7AII6) are both microcontrollers from STMicroelectronics's STM32 series. However, there were no direct excerpts detailing their specifications such as maximum ratings, input and output voltages, currents, tolerances, and main features. So, we'll proceed with a general comparison based on typical characteristics of microcontrollers from the STM32L4 series.

    Table


    Feature/SpecificationU1: STM32L476ZGT6PU2: STM32L4R7AII6Differences
    ManufacturerSTMicroelectronicsSTMicroelectronicsNone
    SeriesSTM32L4STM32L4None
    CoreARM Cortex-M4ARM Cortex-M4None
    Max CPU FrequencyUp to 80 MHzUp to 120 MHzU2 has a higher maximum CPU frequency.
    Flash Memory1 MB2 MBU2 offers more flash memory.
    SRAM128 KB640 KBU2 provides significantly more SRAM.
    Voltage Supply1.7V to 3.6V1.7V to 3.6VNone
    I/O Pins114>114U2 likely offers more I/O options due to its enhanced features.
    PeripheralsRich set including USART, I2C, SPI, USB, CAN, SAI, LCD interface, Touch SensingEven richer set possibly including additional options for connectivity or multimedia.U2 might support more advanced peripherals or have additional ones.
    Power ConsumptionLow power modes availableEnhanced low power modesU2 may offer more optimized low power modes.
    Operating Temperature-40°C to 85°C-40°C to 85°CNone
    PackageLQFP144Advanced packages availableU2 might be available in more advanced packaging options supporting increased functionality.
    Differences Overview:
    • Performance: U2 is likely part of a more recent or advanced variant within the STM32L4 series, offering higher CPU frequencies and more memory resources.
    • Memory: Significant differences in Flash and SRAM capacities, with U2 offering more storage and faster operations.
    • I/O and Peripherals: While both microcontrollers provide numerous peripheral options for versatile applications, U2, given its potentially higher memory and performance specifications, might support more complex peripherals or additional ones not available on U1.
    • Power Efficiency: Both are designed for low power consumption, but U2 could introduce more refined power-saving features suitable for applications where power efficiency is critical.
    • Package and Integration: U2, with potentially more advanced packaging, supports greater integration levels for complex designs.
    Note: The specific differences in electrical characteristics, tolerances, and detailed pinout configurations would require accessing the datasheets of STM32L476ZGT6P and STM32L4R7AII6 directly from STMicroelectronics. The above comparison assumes typical characteristics of the STM32L4 series and should be verified against the actual datasheets for precise information.
    10mo
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    Checks that the power traveling across a given resistor is under its rating with 50% headroom.
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    Checks that IC pins that require pull up or pull down resistors have them.
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    Checks that capacitors have appropriate voltage ratings to prevent overheating and ensure reliable circuit operation.
    Checks that all parts have a part number and are available from distributors.
    Reports copper elements that are shorting.
    Reports parts that have no footprint.
    Reports nodes that are assigned to a layer that doesn't exist in the layout stackup.
    Reports components that have been modified using the "!important" flag.
    Reports terminals that are not connected properly. NOTE: Only connections to the center of pads are considered valid.
    Reports nodes that are using rules that are not supported anymore.
    Reports layers that have multiple copper fills of different nets. Make sure the Connected Layers rule value of nets with fills is valid.
    Detect any via, trace or copper fill island that is not connected to any net.