Qorvo provides a recommended PCB layout and thermal management guide in their application note AN-1155, which includes guidelines for thermal pad connection, PCB thickness, and copper pour to ensure optimal thermal performance and minimize thermal resistance.
Qorvo recommends using their Filter Design Tool (FDT) software to optimize the output filter design for the ACT4921QI301-T. The FDT tool helps designers to select the optimal output filter components based on the specific application requirements and ensures compliance with the datasheet specifications.
Qorvo recommends using a high-quality, low-ESR input capacitor with a value between 4.7uF to 10uF, placed as close as possible to the VIN pin of the ACT4921QI301-T. The input capacitor should be rated for the maximum input voltage and have a low equivalent series resistance (ESR) to minimize voltage ripple and ensure stable operation.
Qorvo recommends following the EMI mitigation guidelines outlined in their application note AN-1153, which includes techniques such as shielding, filtering, and layout optimization to minimize EMI radiation and ensure compliance with regulatory standards.
Qorvo recommends a specific startup sequence and timing to ensure proper operation of the ACT4921QI301-T. The recommended sequence is: 1) Power-on the input voltage (VIN), 2) Wait for the internal voltage regulator to stabilize (typically 10ms), and 3) Apply the enable signal (EN) to turn on the device. The startup timing should be adjusted based on the specific application requirements and load characteristics.
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About Qorvo
Qorvo is a prominent American semiconductor company that specializes in the design and manufacturing of radio frequency (RF) solutions. The company was formed in 2015 through the merger of TriQuint Semiconductor and RF Micro Devices. Qorvo's product portfolio encompasses a wide range of RF components and semiconductor technologies used in various applications, including wireless communications, aerospace and defense, and IoT (Internet of Things) devices.
