QEC113 - onsemi

QEC113 Frequently Asked Questions (FAQs)

• What is the recommended PCB layout for optimal performance of the QEC113?
  A good PCB layout for the QEC113 involves keeping the input and output traces as short as possible, using a solid ground plane, and placing decoupling capacitors close to the device. It's also recommended to use a separate analog ground plane for the analog circuitry.
• How do I ensure accurate current sensing with the QEC113?
  To ensure accurate current sensing, it's essential to use a low-impedance current sense resistor (CSR) and to minimize the resistance of the PCB traces. Additionally, the CSR should be placed as close to the QEC113 as possible, and the device should be operated within its specified temperature range.
• What is the maximum allowed voltage on the VCC pin of the QEC113?
  Although the datasheet specifies a maximum VCC voltage of 5.5V, it's recommended to limit the voltage to 5V or less to ensure reliable operation and to prevent damage to the device.
• How do I handle the QEC113's output voltage when the input voltage is close to the minimum specified value?
  When the input voltage is close to the minimum specified value, the QEC113's output voltage may not be accurate. To handle this, it's recommended to use a voltage regulator or a voltage supervisor to ensure a stable input voltage to the QEC113.
• Can I use the QEC113 in a high-temperature environment?
  While the QEC113 is specified to operate up to 125°C, it's essential to consider the device's power dissipation and thermal management when operating in high-temperature environments. Ensure that the device is properly heatsinked and that the junction temperature is within the specified range.