TPS40051PWP

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The TPS40051PWP is a small, low-noise synchronous buck controller for large, low-cost DC-to-DC converters. It can provide up to 10A of current and is capable of providing up to 12V at the output. The device features power reduction features, such as automatic cycle-by-cycle Over-Temperature Protection (OTP), programmable soft start and multiple protection features that prevent damages caused by abnormal input and output voltages. The device also features integrated high-side and low-side MOSFET drivers and a high-accuracy voltage regulation loop that increases the overall system efficiency.

The TPS40051PWP has a wide application field including, but not limited to:

• Communication systems, mobile and consumer electronics
• Industrial applications
• Automotive applications

The working principle is simple. The input voltage is first converted to an on-die voltage reference, which is then compared to a chosen reference voltage. If the two voltages are not the same, a duty cycle control logic adjusts the pulse width until the two voltages are the same, thus providing a regulated output voltage.

The TPS40051PWP is a suitable device for a wide variety of DC-DC applications, due to its high precision voltage regulation , integrated MOSFET drivers and multiple protection features.

The device also offers extensive diagnostics and reporting capabilities, such as Voltage Monitoring, I2C interface and Output Voltage Detection, ensuring that any potential faults are quickly and accurately identified.

The device is offered in a small QFN5 package and comes with an extended temperature range, making it a suitable choice for many embedded applications.

The TPS40051PWP is a versatile and reliable choice for DC-DC converters, enabling designers to realize increasing power density, system efficiency and reliability with low cost and small board footprints.

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