AFGHL50T65RQDN footprint, schematic symbol and 3D model by onsemi

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AFGHL50T65RQDN Details

The recommended PCB layout involves keeping the high-current paths short and wide, using multiple vias for heat dissipation, and placing thermal vias under the device. A thermal pad on the bottom of the device should be connected to a heat sink or a thermal plane on the PCB. A minimum of 2oz copper thickness is recommended for the PCB.
The device requires a bias voltage of 15V to 20V for the gate driver, and a voltage supply of 10V to 15V for the bootstrap circuit. Ensure the bias voltage is stable and decoupled with capacitors to prevent noise and oscillations.
The maximum allowed junction temperature for the AFGHL50T65RQDN is 150°C. Exceeding this temperature can lead to reduced performance, reliability, and lifespan of the device.
Implement overvoltage protection (OVP) and overcurrent protection (OCP) circuits to prevent damage from voltage spikes and excessive current. The OVP circuit should be designed to trigger at a voltage slightly above the maximum rated voltage, and the OCP circuit should be designed to trigger at a current slightly above the maximum rated current.
The recommended gate resistance value for the AFGHL50T65RQDN is between 1 ohm and 10 ohms. A lower gate resistance can improve switching speed, but may increase power losses and EMI. A higher gate resistance can reduce power losses and EMI, but may slow down switching speed.

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