TPS2115APW

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The TPS2115APW is a member of the TPS211x family of components manufactured by Texas Instruments that are designed to be used as system controllers. This part is specifically designed to provide voltage regulation, current regulation, and temperature control in applications such as telecom, automotive, and automotive power supplies. The TPS2115APW can also be used as a high-speed switch for AC or DC path switching. This article will discuss the TPS2115APW application field and its working principle.

Application Field

The TPS2115APW is designed for use in a variety of applications, including telecom, automotive, and automotive power supplies. It is designed specifically for use in applications where the average power may exceed 10 W, with the current capability ranging from low-power trickle charging to high-power (>20W) switching. The TPS2115APW is also suitable for use in voltage and current regulation, temperature control, and as a high-speed switch for AC or DC paths. Additionally, the low-quiescent current and wide input voltage range make the TPS2115APW an ideal choice for energy harvesting applications.

Working Principle

The TPS2115APW is a switching regulator controller with integrated power MOSFETs, which is able to deliver current up to 20A by using a buck topology. The switching frequency can be adjusted from 750kHz to 2.8MHz through an external resistor. Internal safety features such as overvoltage protection, undervoltage lockout, and thermal shutdown help protect your application from unnecessary damage. Additionally, the TPS2115APW also contains integrated ideal diodes, which allow for more efficient power transfer by allowing for simultaneous power uptake and delivery.

The TPS2115APW features a high-speed transient response, allowing for very fast load transition time. It also features a low-noise switching frequency for low-noise operation. Additionally, the TPS2115APW can be enabled through either an analog voltage or a digital signal. This flexibility allows for a variety of different operational states depending on the needs of the application.

The TPS2115APW is also suitable for energy harvesting. It features an ultra-low quiescent current (Iq) in tand-by mode of 5µA, allowing it to be used in situations where the external source of power is limited or non-existent. Furthermore, the wide input operating voltage range of 5.5V to 25V, makes the TPS2115APW suitable for a variety of different energy harvesting sources such as solar panels, thermopiles, and moving vehicles.

Conclusion

The TPS2115APW is a switching regulator controller with integrated power MOSFETs, ideal diodes, and safety features that make it suitable for a variety of applications. Its low quiescent current, wide input voltage range, and high-speed transient response make it an ideal choice for energy harvesting applications. Additionally, its flexibility in enabling options makes it suitable for a variety of different operational states. This article has discussed the TPS2115APW application field and its working principle.

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