PAC25140NSR - Qorvo

PAC25140NSR Frequently Asked Questions (FAQs)

• What is the recommended PCB layout for optimal thermal performance?
  Qorvo recommends a 2-layer PCB with a thermal pad connected to a large copper area on the bottom layer to dissipate heat efficiently. A minimum of 2 oz copper thickness is recommended.
• How do I ensure accurate current sensing with the PAC25140NSR?
  To ensure accurate current sensing, use a Kelvin connection to the sense pins, keep the sense traces short and symmetrical, and avoid running high-frequency signals near the sense traces.
• What is the maximum allowed voltage on the VCC pin?
  Although the datasheet specifies a maximum VCC of 5.5V, Qorvo recommends limiting the voltage to 5V to ensure reliable operation and minimize the risk of damage.
• Can I use the PAC25140NSR in a high-temperature environment?
  While the PAC25140NSR is rated for operation up to 125°C, Qorvo recommends derating the current sense accuracy and power dissipation at high temperatures to ensure reliable operation.
• How do I troubleshoot issues with the PAC25140NSR?
  Qorvo recommends using a logic analyzer or oscilloscope to monitor the device's output signals, checking for proper power supply and decoupling, and verifying the PCB layout and assembly.