Texas Instruments provides a recommended PCB layout in the datasheet, but it's essential to follow good design practices, such as keeping the analog and digital grounds separate, using a solid ground plane, and minimizing noise coupling. Additionally, ensure the layout is symmetrical and balanced to reduce electromagnetic interference (EMI).
The selection of external components, such as resistors, capacitors, and inductors, depends on the specific application and requirements. Refer to the datasheet for recommended component values and consider factors like voltage rating, current handling, and ESR. Texas Instruments also provides a component selection guide and application notes to help with the design process.
The BQ296226DSGR has an operating temperature range of -40°C to 125°C. However, it's essential to consider the junction temperature (TJ) and ensure it remains within the specified range to prevent thermal shutdown and ensure reliable operation.
The BQ296226DSGR has built-in OVP and UVP features, but you can also implement external protection using voltage supervisors, such as the TLV7031, to provide additional protection against voltage faults. Ensure the protection circuitry is designed to respond quickly to voltage transients and faults.
The recommended input capacitor value is 10uF to 22uF, with a voltage rating of 25V or higher. A low-ESR ceramic capacitor, such as the X5R or X7R type, is recommended to minimize voltage ripple and ensure stable operation.
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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.
