TPS62133AQRGTTQ1

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TheTPS62133AQRGTTQ1 is a synchronous buck switching regulator IC with an integrated power switch capable of supplying up to 6A of output current. This regulator IC is designed mainly for Notebook Original Equipment Manufacturer (OEM) applications.

Application field

TheTPS62133AQRGTTQ1 is well suited to applications where high efficiency and low quiescentcurrent consumption are desired. It is commonly used for notebook computers, Ultrabooks, tablet computers, and other portable devices that operated from USB Power Delivery (PD) or other USB-based power sources.

Features

TheTPS62133AQRGTTQ1 has a wide input voltage range from3V to20V and a wide output voltage range from0.9VtoVIN. It has adjustable voltage and current limit, fast load transient(max150mV/µs at full load), and 300mV typ. overshoot. It also has shutdown control and various protection features, including over-voltage, over-current, over-temperature, and under-voltage.

Working Principle

TheTPS62133AQRGTTQ1 employs a synchronous buck switching regulator to convert an input voltage of 3V to 20Vinto the desired output voltage. A stable operating frequency of up to 1MHz is obtained using the PWM control circuit, which is a current-mode control scheme.This PWM control method is capable of regulating both the input voltage and the output voltage.The PWM signal is generated by oscillator/comparator circuitry, which produces pulses with a fixed frequency independent from load and line conditions. The PWM signal switches the integrated power MOSFET, which is the main current path for the converter.The output voltage is regulated by the feedback loop, which compares the feedback voltage to the voltage reference. Depending on the feedback voltage the error amplifier adjusts the pulse width for the PWM circuit.

Protection Features

To ensure safe and reliable operation theTPS62133AQRGTTQ1 has various built-in protection features. Over-voltage protection prevents excessive voltage on the output. Over-current protection disables the device when a short circuit occurs. Over-temperature protection shut down the device if the IC\'s temperature exceeds a pre-defined temperature limit. Under-voltage protection disables the device if the input voltage drops below the pre-defined level.The shutdown control feature allows the device to be shut down by an external control signal.

Conclusion

TheTPS62133AQRGTTQ1 is a synchronous buck converter with an integrated power switch capable of supplying up to 6A of output current. This regulator IC is suitable forNotebook OEM applicationswhere high efficiency and low quiescent current consumption are desired. It has various built-in protection features to ensure safe and reliable operation. This device is well-suited for applications requiring a wide input voltage range and a wide output voltage range. In conclusion, theTPS62133AQRGTTQ1 is an ideal choice for Notebook OEM applications requiring high efficiency andlow quiescent current consumption.

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