Texas Instruments provides a recommended PCB layout in the datasheet, but it's essential to follow good PCB design practices, such as keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing trace lengths and widths to reduce EMI.
Choose an inductor with a high saturation current rating, low DC resistance, and a suitable inductance value (e.g., 2.2 μH to 10 μH). Consider the inductor's physical size, core material, and operating frequency when making your selection.
Although the datasheet specifies a maximum input voltage of 18 V, it's recommended to limit the input voltage to 15 V to ensure reliable operation and prevent damage to the IC.
To optimize the BQ25883RGER for low-power modes, use the EN pin to control the device's power state, adjust the switching frequency, and select a suitable inductor value. Additionally, consider using a low-power mode controller, such as the TPS63050, to further reduce power consumption.
The BQ25883RGER has a thermal pad that must be connected to a solid ground plane to ensure effective heat dissipation. Use thermal vias and a heat sink if necessary, and ensure good airflow around the device to prevent overheating.
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
