TPS62746YFPR Integrated Circuits (ICs)

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TPS62746YFPR Application Field and Working Principle

The TPS62746YFPR is a highly-efficient PMIC – Voltage Regulators – DC DC Switching Regulator developed by Texas Instruments. Its main features include a wide input voltage range, up to 50V, and low quiescent current of 8 μA at no load. The operating frequency for the TPS62746YFPR ranges from 300 kHz to 1.3MHz, and it can operate at a temperature ranging from – 40°C to 125°C.

This voltage regulator is able to supply a maximum output current of 800 mA, which is suitable for a wide range of applications. It also offers an excellent efficiency of 90% at a nominal load of 500 mA.

The TSP62746YFPR is suitable for applications such as digital systems, gaming, internet of things (IoT) devices, and applications requiring low noise and low power consumption. It is also suitable for aircraft, industrial, automotive, and medical applications due to its wide temperature range and low current quiescent.

This DC DC switching regulator also features over current protection (OCP), thermal protection (OTP), and under voltage lockout (UVLO). It also has a power-good output and accurate low drop-out control, thus protecting the system by inhibiting any increase in current during sudden drops in input voltage.

The TPS62746YFPR works by monitoring the output voltage and adjusting the on-time duration of a fixed-frequency high-side switch, or pulse-width modulator (PWM), a switch connected between the input voltage source and the output voltage. This switching action is repeated at the switching frequency.

The PWM then controls the current delivered to the output of the regulator, thus providing an output voltage that is close to the required value. Additionally, the output voltage is monitored and controlled by an internal voltage loop and uses an adaptive on-time pulse width modulation technique.

For cases with large output capacitances, the TPS62746YFPR also features a stream-mode that allows for continuous on-time despite transient loads. This helps reduce output voltage transients due to the compensation on the output voltage.

Overall, the TPS62746YFPR is a highly efficient and feature-rich PMIC – Voltage Regulators – DC DC Switching Regulator that provides high performance, accurate voltage control, and a wide temperature range in applications such as digital systems, gaming, IoT devices, automotive, aircraft, industrial, and medical applications.

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