The recommended layout and placement for the BQ24165RGET involves placing the IC close to the battery, using a solid ground plane, and keeping the input and output capacitors close to the IC. Additionally, the layout should minimize the loop area of the charging and discharging paths to reduce EMI.
To optimize the charging profile, you need to adjust the charging voltage and current limits based on the battery's chemistry, capacity, and recommended charging profile. You can use the BQ24165RGET's programmable charging voltage and current limits to customize the charging profile for your specific battery.
The BQ24165RGET has a thermal shutdown feature that turns off the device when the junction temperature exceeds 150°C. To ensure reliable operation, it's essential to provide adequate heat sinking, such as using a thermal pad or heat sink, and to keep the device away from high-temperature components.
The BQ24165RGET has a built-in OVP feature that can be enabled by connecting the OVP pin to a voltage source. When the input voltage exceeds the OVP threshold, the device will turn off the charging circuit to protect the system from overvoltage conditions.
To minimize EMI, it's essential to follow proper PCB layout and design practices, such as using a solid ground plane, minimizing loop areas, and using shielding and filtering components. Additionally, the BQ24165RGET has a spread-spectrum clock feature that can help reduce EMI emissions.
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BQ24165RGET Overview
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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.
