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je veut connecter un transistor entre ses deux compsent pour comender ce mosfet ...
x1x2

x1x2

@copilot je veut connecter un transistor entre ses deux compsent pour comender ce mosfet avec une tension de sortie de 3.3v du mcu , le mosfet sera commander par un transistor et il doit commender le passge d'une tention 5v
2y

copilot

Pour commander un MOSFET Gallium Nitride (GaN) comme le GAN7R0-150LBEZ (IC1) avec une tension de sortie de 3.3V d'un microcontrôleur (MCU) tel que le STM32F303VBT6 (U1), en passant une tension de 5V, vous pouvez utiliser un transistor bipolaire NPN en configuration de traducteur de niveau. Voici les étapes principales pour la mise en place de cette configuration :
  1. Choix d'un transistor NPN : Un transistor NPN petit signal tel que le 2N3904 ou le BC547 pourrait convenir pour cette application. Ce transistor amplifiera le signal de commande de sortie du MCU (3.3V) pour piloter adéquatement la grille du MOSFET GaN (IC1) avec une tension appropriée.
  2. Connections du transistor NPN :
    • La base du transistor NPN est connectée à une des sorties GPIO du MCU (U1), par exemple, PE2 (Pin 1). Ajoutez une résistance de limitation de courant (~1kΩ) entre la sortie GPIO et la base du transistor. Cela aide à protéger la sortie du MCU.
    • Le collecteur du transistor NPN est relié à la broche de grille (G, Pin 1) de IC1.
    • L’émetteur du transistor NPN est connecté au ground (VSS).
  3. Alimentation et commande du MOSFET GaN (IC1) :
    • Reliez la source (S, Pin 2) de IC1 au ground (VSS) de votre circuit.
    • Appliquez la tension que vous souhaitez commuter (5V dans ce cas) au drain (D, Pin 3) de IC1.
    • Assurez-vous que vous avez une charge appropriée connectée entre le drain de IC1 et le ground/Potential opposé de votre source 5V pour compléter le circuit lorsque le MOSFET est activé.
  4. Résistance de Pull-down pour la grille de MOSFET : Il est recommandé d'ajouter une résistance de pull-down (10kΩ) entre la grille du MOSFET (G, Pin 1 de IC1) et le ground. Cela garantit que la grille est à un potentiel bas lorsque la sortie du MCU est à haute impédance et empêche le MOSFET de conduire par accident.
En conclusion, les étapes pour les connections (en supposant l'utilisation d'un transistor NPN générique nommé Q1 avec les broches B(base), C(collecteur), E(émetteur)) :
  • Connect U1:PE2 à Q1:B via une résistance de 1kΩ.
  • Connect Q1:C à IC1:G.
  • Connect Q1:E à U1:VSS.
  • Connect IC1:S à U1:VSS.
  • Connect une résistance de pull-down de 10kΩ entre IC1:G et U1:VSS.
  • Connect IC1:D à la charge, et l'autre côté de la charge à votre source 5V.
Notez que ce schéma est assez standard, et les valeurs des résistances pourraient nécessiter un ajustement selon la configuration spécifique de votre projet et les spécifications du transistor NPN choisit.
2y
2
how do I connect U1 and Q1?
x1x2

x1x2

@copilot how do I connect U1 and Q1?
2y

copilot

Connecting a microcontroller (U1, which is an STM32F303VBT6) to a transistor (Q1, which is a 2N3904S NPN transistor) typically involves using the transistor as a switch or amplifier controlled by the microcontroller. Considering typical usage, let's assume you want to use Q1 to switch an external load on and off under the control of U1.
Direct Control Connection
For this example, we will connect a GPIO pin from U1 to the base of Q1 through a current-limiting resistor to control the transistor. The collector of Q1 can be connected to the negative side of the load, with the positive side of the load connected to your supply voltage. The emitter of Q1 will connect to ground. However, always check the specifics of your load and ensure that the transistor can handle the current.
  1. GPIO Selection on U1: Choose a GPIO pin on U1 for controlling Q1. Let's assume you have chosen pin PA5 (pin 30) for this purpose. It's crucial to select a pin that's not being used for another critical function in your design.
  2. Current-limiting Resistor to Q1 Base: Connect a resistor (let's assume a 1kΩ resistor, R1) between U1:PA5 and Q1:B.
    • Connect U1:PA5 to R1:1.
    • Connect R1:2 to Q1:B.
  3. Emitter to Ground:
    • Connect Q1:E to the ground (GND).
  4. Collector to Load:
    • Depending on your exact application, the collector of Q1 (Q1:C) would typically be connected to the negative side of your load. The positive side of your load should connect to your supply voltage, not directly to U1 or Q1.
Important Notes:
  • Base Resistor (R1): The value of R1 is assumed to be 1kΩ for this example. This might need adjustment based on your specific requirements. The purpose of the resistor is to limit the base current to a safe value that both the GPIO pin and the transistor can handle. You can calculate the exact resistor value needed using Ohm's Law and considering the base current required to saturate the transistor for your particular load.
  • Load Handling: Ensure that the load you're controlling with Q1 does not draw more current than the 2N3904S can handle. The 2N3904S typically handles collector currents up to 200mA. If your load requires more current, you might need to consider a different transistor or use Q1 to drive a power transistor or a relay.
  • Power Supply: This guidance assumes that your load and the transistor's switching capabilities are compatible with your power supply voltage and current capabilities.
  • Software Control: On the software side, you'll need to configure PA5 as a GPIO output pin in your STM32F303's firmware and then control it (set high or low) as needed to switch Q1 and thus your load.
Make sure to adjust these recommendations based on the specifics of your project, such as the load you're controlling and the power supply you're using.
2y
3
Q1
IC1
U1
  • 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
    General Purpose Thick Film Standard Power and High-Power Chip Resistor 47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film Features: - RMCF – standard power ratings - RMCP – high power ratings - Nickel barrier terminations standard - Power derating from 100% at 70ºC to zero at +155ºC - RoHS compliant, REACH compliant, and halogen free - AEC-Q200 compliant
    jharwinbarrozo
    1.2M
  • 875105359001
    875105359001
    10 µF 16 V Aluminum - Polymer Capacitors Radial, Can - SMD 30mOhm 2000 Hrs @ 105°C #commonpartslibrary #capacitor #aluminumpolymer #radialcan
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    1.2M
  • CTL1206FYW1T
    CTL1206FYW1T
    Yellow 595nm LED Indication - Discrete 1.7V 1206 (3216 Metric)
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