EMB1428QSQE/NOPB Integrated Circuits (ICs)

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EMB1428QSQE/NOPB Application Field and Working Principle

A PMIC – battery management is a power management Integrated Circuit (IC) used for maintaining optimal battery voltage and/or current levels in a particular section of the circuit. The EMB1428QSQE/NOPB is a multi-rail battery management PMIC from TI (Texas Instruments) that enables efficient management of up to 12 power system rails while providing high performance protection, accurate current/voltage measurements and adaptive system control.

Application Field of EMB1428QSQE/NOPB

The EMB1428QSQE/NOPB is suitable for a wide variety of applications such as for cell phones, portable media players and other handheld devices. It offers numerous efficient features such as an advanced system control with digital temperature sensing, a multi-time constant voltage control, current and voltage scaling techniques, over-voltage/over-current protection and an internal brown-out detector. All these features make it a perfect choice for efficiently managing battery-powered systems.

The EMB1428QSQE/NOPB is suitable for a wide variety of applications such as for cell phones, portable media players and other handheld devices. It offers numerous efficient features such as an advanced system control with digital temperature sensing, a multi-time constant voltage control, current and voltage scaling techniques, over-voltage/over-current protection and an internal brown-out detector. All these features make it a perfect choice for efficiently managing battery-powered systems.

Working Principle of EMB1428QSQE/NOPB

At the heart of the EMB1428QSQE/NOPB PMIC is an integrated, low RDS (on) switch matrix that allows up to five power outputs to be individually managed. Each output can be separately programmed to control turn-on times, voltage levels and other parameters. The EMB1428QSQE/NOPB comes with a built-in four-rail linear regulator and an integrated FET to provide galvanic isolation between the battery and the output rail. This isolation allows for higher efficiency and robust system protection.

The EMB1428QSQE/NOPB PMIC also offers integrated analog and digital temperature sensing, which allows the system to accurately and quickly adjust the output voltage based on system temperatures. The integrated linear regulators can also be configured to support inrush current limiting and brown-out detection to protect the system in case of over-current or over-voltage events. All these features make the EMB1428QSQE/NOPB an ideal choice for high-efficiency and high-performance battery management.

Conclusion

The EMB1428QSQE/NOPB PMIC is ideal for managing multiple-output rail systems, such as those found in cell phones, portable media players and other handheld devices. It provides excellent protection, integrated digital temperature sensing, advanced system control and efficient current/voltage scaling features. Its integrated linear regulators and isolation capabilities enable improved system performance and reliability. All these features make it a suitable choice for high-efficiency and high-performance battery management.

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