TPS60151DRVT

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TPS60151DRVT is one of the most popular DC/DC switching regulators from Texas Instruments, which is a high efficiency, low-noise, high-input voltage synchronous step-up DC/DC converter. This device is designed for space-limited, medium voltage applications such as automotive accessories and board-level power sourcing.

Application field

TPS60151DRVT is designed to provide a regulated output voltage with a wide-normalized input voltage range of 4.5V to 42V with a current capability up to 5A. It has more than 90% efficiency and can deliver a regulated output voltage up to 40V, making it suitable for automotive, ATV and industrial applications. The device also provides current-limited, thermal-limited protection, input reverse protection, blanking capacitor protection and a shutdown control feature that reduces the quiescent current to less than 1µA.

The TPS60151DRVT\'s wide input and output voltage range and its impressive current handling capabilities make it ideal for a variety of applications including automotive accessories, home appliances, battery-powered devices, lighting systems, and more.

Working principle

The TPS60151DRVT is a critical conduction mode (CCM) synchronous step-up DC/DC converter that utilizes two wide voltage buck-boost Archimedean spiral switching transistors to provide efficient conversion from a wide input voltage range to a high output voltage. An internal switch mode controller sets the maximum output voltage of the TPS60151DRVT converter by driving the two Archimedean spiral transistors in phase with each other.

The phase difference between the two transistors is regulated by a feedback loop to maintain a regulated output voltage, regardless of the input voltage. A compensation network is also included to maintain loop stability over the temperature range, while high-frequency decoupling capacitors in the feedback loop filter out high-frequency noise to ensure that the regulated output voltage remains within the acceptable range.

The TPS60151DRVT switching regulator also includes several internal safety features. This includes current limit, thermal limit, input reverse protection and blanking capacitor protection. It also includes a shutdown control feature, which reduces the quiescent current when the converter is disabled.

Conclusion

The TPS60151DRVT is a high efficiency, low noise DC/DC switching regulator from Texas Instruments. It features a wide input voltage range from 4.5V to 42V, an output voltage range up to 40V, a maximum current capability of 5A, more than 90% efficiency, and various safety features. This makes it ideal for a wide range of applications including automotive accessories, home appliances, battery-powered devices, lighting systems, and more.

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