TPS76827QPWP

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TPS76827QPWP is a type of linear voltage regulator, which is popularly used as a part of power management integrated circuit (PMIC). This device enables rapid and steady tracking of voltage outputs, and due to its small size, it is suitable for low-power applications.

Design features

The TPS76827QPWP has several design features that benefit many applications. It has an adjustable output voltage range system that can cover 10 suspended points in the range of 1.2 V to 3.3 V. This output voltage can be adjusted using an external resistor, which makes the device more cost-effective and also saves time. For example, using an external resistance eliminates the need for any costly manual adjustments.

The device also has a wide range of power ratings, ranging from 4.8 W to 28 W. This feature makes it suitable for a wide range of applications, such as automotive, communications, computing and industrial. Furthermore, the TPS76827QPWP SCR (self-contained regulator) can withstand load transients of up to 4 A without having to use additional transient support components. This feature is beneficial in applications where quick response time and high accuracy are required.

The TPS76827QPWP also features an onboard voltage-sense error amplifier, allowing the output voltage to be monitored automatically. Furthermore, the device is supplied with a fixed frequency DC/DC step-down converter, with a minimum on-time of 1.4 μs. This ensures a high efficiency and accurate regulation of output voltage.

Advantages

The TPS76827QPWP has a number of advantages that make it suitable for a variety of applications. First of all, the device has a very low quiescent current of 2 mA and a very low power-off current of 7 μA. This makes the device suitable for battery operated applications and helps to improve charge time. Secondly, the device has a very low thermal resistance of 0.8°C/W, which enables its operation under conditions of high temperatures without any additional cooling.

Furthermore, the device has a built-in over-voltage and over-current protection mechanism that helps to protect against any kind of accidental damage. Moreover, the device features a variety of package options, including 6.6 mm x 5.5 mm QFN-32, 5.2 mm x 5.2 mm ED-39, and other packages. This allows the system designer to choose the package to match the application requirements.

Working principle

The working principle of the TPS76827QPWP is quite simple and it involves a few basic elements. The device uses an external resistor to adjust the output voltage and the output voltage is monitored by the voltage-sense error amplifier. The output voltage is regulated by adjusting the duty cycle of the internal DC/DC converter.

The DC/DC converter has an internal switched-mode pulse-width modulator (PWM) that detects the output voltage and adjusts its duty cycle to achieve the desired output voltage. Furthermore, the device has a power MOSFET switch, which controls the current supplied by the device. The device is protected by an over-voltage and over-current protection circuit, which helps to prevent any accidental damage.

Applications

The TPS76827QPWP, due to its features, can be applied in a variety of applications. The device has high power ratings which makes it suitable for automotive, communication, computer, audio and industrial applications. Furthermore, its low quiescent current makes it suitable for battery operated applications, as it helps to reduce charge time. In addition, due to its wide range of package options, the device can be easily integrated into most systems.

The device can be used as a power supply for automotive lighting, LED lighting, radio frequency (RF) applications, audio amplifiers, gaming devices and mobile phones. In addition, due to its low thermal resistance, the device can be used in applications that require temperatures of up to 90°C.

Conclusion

In conclusion, the TPS76827QPWP is a type of linear voltage regulator that is popularly used in PMICs. The device has a wide range of design features, such as adjustable output voltage, power ratings, onboard voltage-sense error amplifier and an onboard DC/DC converter. Furthermore, the device has a low quiescent current, a low power-off current and a low thermal resistance. These features make the device suitable for a variety of applications, such as automotive, communications, computing and industrial.

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