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TPS53127PWR application field and working principle

The Texas Instruments TPS53127PWR is a highly integrated, multiphase, synchronous buck Controller, designed for use as a point-of-load DC-DC converter. It integrates four synchronous buck controllers featuring all necessary controls and protections for multiphase operation with excellent load transient performance. The device operates from a 4.5 to 28V input voltage range and provides up to four outputs with 0.25 to 4V output voltage ranges.

Application Fields for the TPS53127PWR

The TPS53127PWR is designed for applications with extreme power requirements, such as server and storage systems, telecom, point of load buck converters, smartphones, laptops and tablets. The four integrated synchronous controllers feature differential remote sensing and power-good outputs, operate at a frequency of up to 3 MHz, and offer excellent line and load transient performance. The device also includes an internal circuit breaker and optional sequential turn-on.

Working Principle of the TPS53127PWR

The TPS53127PWR is a type of multi-phase, synchronous buck controller which is used to convert a DC input voltage to a lower DC output voltage. The device contains four synchronous buck controllers, each of which is controlled by a dedicated input enable pin, sync pin and clock enable pin. The device also provides an enable pin for the circuit breaker, which is designed to prevent overcurrent faults in the system.In operation, the enable pin is used to enable or disable the circuit breaker. The sync pin is used to synchronize the on-times of the four synchronous controllers, and the Clock Enable Pin (CE) is used to enable or disable the output of the controller. The output of each controller is then connected to the input of an external power switch, which is used to regulate the output voltage. The TPS53127PWR also includes overcurrent, overvoltage and undervoltage protections.

Conclusion

The TPS53127PWR is a highly integrated, multiphase, synchronous buck controller designed for high power point-of-load applications. It integrates four synchronous buck controllers with all necessary controls and protections for excellent line and load transient performance. The device operates from a wide input voltage range and offers up to four outputs with adjustable voltage ranges. The device also provides an internal circuit breaker for overcurrent protection.

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