HP / Dell Laptop Charger pinout

HP / Dell Laptop Charger pinout
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ID Pin Dell Voltage: 1.5 V to 2.5 V

ID Pin HP Voltage: 18.5 V

Positive: 18.5V to 19V

The pinout for laptop chargers from Dell and HP can vary depending on the specific model and series. However, I can provide you with a general understanding of the common elements found in laptop charger pinouts:

DC Power Connector:

Both Dell and HP laptops typically use a cylindrical DC power connector that plugs into the laptop. The size and shape of this connector can vary among different models.

Center Pin (ID Pin):

  1. The center pin, often referred to as the ID pin, is crucial for communication between the laptop and the charger. It helps the laptop identify the charger, ensuring it is compatible and providing the correct power.
  2. If you check the voltage of the ID pin, then the Dell charger ID pin voltage is 1.5 V to 2.5 V. It means the Dell ID pin is working, so if you check the voltage of the ID pin of the HP charger, it is 18.5 V. It means the HP ID pin is working.

Repairing Dell Chargers Like a Pro:

But wait, there’s more! The DS2501 IC also comes in handy for repairing Dell chargers. When you dive into the Dell laptop BIOS, you’ll notice it recognizes the 90-watt charger. Keep in mind, each laptop has its own wattage range – from the powerhouse 220 watts of the Dell Alienware to the more standard 90-watt laptops.

Decoding the Legs

  1. Ground (Leg 1): This is where the magic begins. The ground leg sets the foundation for our little modification project.
  2. Data (Leg 2): The second leg, also known as data, is where the real communication happens. This is the key to converting chargers and repairing Dell power supplies.
  3. The Spare Leg (Leg 3): It’s there, but it’s chilling – not connected to anything. It’s like having a bonus leg without any responsibilities.

Positive and Negative Terminals:

Laptop chargers have two main power terminals: positive (+) and negative (-). These terminals supply the necessary voltage and current to charge the laptop battery and power the device.

Voltage and Current Specifications:

The laptop charger provides a specific voltage and current output tailored to the laptop’s requirements. It’s important to match these specifications to prevent damage to the laptop.

It’s essential to note that while these are common elements, the actual pinout details, including the arrangement of pins and their functions, can vary. For accurate and model-specific information, it’s recommended to refer to the user manual or technical documentation for your specific Dell or HP laptop model.

If you are considering using a third-party charger or have specific questions about the pinout for your laptop charger, reaching out to the laptop manufacturer’s support or referring to the official documentation is the best course of action to ensure compatibility and avoid any potential issues. Using an incorrect charger may lead to damage to the laptop or battery.

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