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recommend a replacement for Q1.
chekoo

chekoo

@copilot recommend a replacement for Q1.
1y

copilot

For replacing the transistor Q1 with part number B772M, we should look for a PNP bipolar junction transistor (BJT) with similar characteristics, such as:
  • Package: TO-252-3
  • Collector-Emitter Voltage $V_{ce}$: Approximately the same or higher
  • Collector Current $I_{c}$: Similar or higher
  • Power Dissipation $P_{d}$: Similar or higher
Although I don't have direct access to a component database, a common replacement could be the BD140 transistor. Ensure the key parameters match your circuit requirements before replacing it.
Would you like guidance on verifying the compatibility of the replacement or any assistance with the schematic adjustments?
1y
3
a que te refieres con el pinde control positivo
chekoo

chekoo

@copilot a que te refieres con el pinde control positivo
1y

copilot

Parece que estás hablando de un "pin de control positivo" en un contexto electrónico. En general, un pin de control positivo podría referirse a un terminal en un dispositivo o componente que se utiliza para recibir una señal de control de voltaje positivo. Este podría controlar el funcionamiento del dispositivo, activándolo o desactivándolo, modulando su salida, o configurándolo en un determinado estado operativo.
Aquí te dejo algunas posibles situaciones en las que podrías encontrar un pin de control positivo:
  • Transistores: En transistores bipolares (como el B772M que tienes en tu proyecto con el designador Q1), el pin de control suele ser la base (B). Aplicar un voltaje positivo a la base controla el paso de corriente a través del colector (C) hacia el emisor (E).
  • Circuitos integrados: Algunos pines de control en ICs podrían requerir un voltaje positivo para habilitar o activar ciertas funciones del chip.
  • Modulación de intensidad en LED o motor: Un pin de control positivo podría ser un terminal a través del cual se aplica un voltaje positivo para controlar la intensidad de un LED o la velocidad de un motor.
Si tienes un contexto o componente específico en mente, podría ayudarte mejor si me das más detalles.
1y
1
are there any issues in this project?
chekoo

chekoo

@copilot are there any issues in this project?
1y

copilot

Let's take a look at your project and see if there are any potential issues:
  1. Power Supply Connection:
    • Your project includes a voltage source V1V1 with 5V. Ensure that this is the desired voltage for your circuit and that the components can handle it.
  2. Transistor Q1Q1 (B772M) Configurations:
    • Check the connections:
      • The emitter (E) is connected to the voltage source's anode, which is typical for an NPN transistor in a common-emitter configuration.
      • The base (B) is connected to R1R1 (10kΩ). This is a common configuration for biasing the transistor.
      • The collector (C) connects to the anode of LED1LED1.
  3. Resistor Connections:
    • Ensure the value of R1 (10kΩ)R1 \, (10kΩ) is suitable for biasing your transistor base.
    • R2 (500Ω)R2 \, (500Ω) is connected between the cathode of the LED and an unspecified node. Make sure this is correct for your LED's forward current.
  4. LED LED1LED1 Connections:
    • The LED's cathode (K) should be connected to ground for it to light up when the transistor conducts. It seems it's connected through R2R2, which should allow current to flow if correctly grounded.
  5. Current and Voltage Ratings:
    • Ensure that the forward voltage (1.7V) and current through LED1LED1 are within its specification, given the resistance in series (R2R2).
  6. Missing Connections:
    • Check that all required connections in your project are complete, specifically ensuring a return path to ground.
To improve the design further, please provide details on the overall functionality you aim to achieve, and if there are specific concerns with performance or behavior.
1y
2
are there any issues in this project?
chekoo

chekoo

@copilot are there any issues in this project?
1y

copilot

Let's review the project schematic for potential issues:
  1. Component Connections:
    • Transistor Q1 (B772M):
      • Base is connected to R1:P2 on Net 1, which is fine if you're using the resistor to provide the base current.
      • Collector is connected to LED1:A on Net 3. This suggests Q1 is driving the LED, which seems appropriate.
      • Emitter is connected to V1:ANODE on Net 2. Usually, the emitter would connect to ground in an NPN configuration or a negative voltage in a PNP configuration, so make sure this setup matches your intended operation.
  2. Resistors:
    • R2 (500 \Omega) and R1 (10k \Omega) are used in the circuit possibly for current limiting and base biasing. Ensure that their values are suitable for your application.
  3. Voltage Source V1:
    • Supplies 5V. Ensure that all components can handle this voltage and that the LED current is properly limited.
  4. LED LED1 (CTL1206FYW1T):
    • Forward voltage of 1.70V. Ensure that the current through the LED is within its specified limits by calculating the appropriate resistor value (R2).
  5. General Checks:
    • Net 2 connects the emitter of Q1 to the anode of V1. Double-check if this is intentional based on the transistor type and application.
    • Net 5 connects R2:P2, R1:P1, and V1:CATHODE. Ensure there's a clear purpose for this connection.
Please confirm if these setups align with your design intentions, or let me know if you need help with specific calculations or adjustments!
1y
4
reemplazo del q1
chekoo

chekoo

@copilot reemplazo del q1
1y

copilot

Parece que estás buscando un reemplazo para el transistor Q1, el cual tiene el número de parte B772M. Este es un transistor PNP de potencia mediana en un paquete TO-252.
Para encontrar un reemplazo adecuado debes considerar los siguientes parámetros:
  • Tipo de transistor: PNP
  • Corriente colector-emisor $I_c$: Debe ser igual o mayor que la del B772M
  • Voltaje colector-emisor $V_{ceo}$: Igual o mayor que el del B772M
  • Ganancia de corriente $h_{FE}$: Similar al B772M
  • Configuración del encapsulado: TO-252-3 u otro compatible si el diseño lo permite
Una opción común para transistores PNP de potencia en encapsulados similares podría ser el BD136, aunque necesitarías verificar las especificaciones completas para asegurarte de que sean compatibles.
Si deseas, puedo ayudarte a buscar valores específicos o características para comparar transistores. ¿Hay algún parámetro específico que necesites ajustar o verificar en esta sustitución?
1y
5
V1
R2
Resistance
500 Ω
Q1
R1
Resistance
10kΩ
LED1
  • 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
    15.6k
  • 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

Closed Rose Esper Photo Analyser

Closed Rose Esper Photo Analyser thumbnail
Welcome to your new project. Imagine what you can build here.

Properties

Properties describe core aspects of the project.

Pricing & Availability

Distributor

Qty 1

Arrow

$0.02–$0.03

Digi-Key

$0.07–$0.41

LCSC

$0.14–$0.16

Mouser

$0.23

Verical

$0.03–$0.05

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