TPS76801QPWPRG4

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Introduction to TPS76801QPWPRG4

The Texas Instruments TPS76801QPWPRG4 is a low-cost, high-efficiency, high performance and temperature grade voltage regulator designed for a wide range of applications. It is also one of the most competitive voltage regulators in the linear voltage regulator segment. This power management integrated circuit (PMIC) offers a wide input voltage range (2.15 V to 6.5 V) with a low quiescent current, which is typically 0.5µA. Its output voltage ranges from 0.8V to 5.5V, with a maximum output current of 5A. Its output voltage accuracy is within ±0.8%, which makes it suitable for precision applications.

Applications

The TPS76801QPWPRG4 has a wide range of applications. It can be used in handheld device, digital cameras, mobile phones, laptops, and tablets. Additionally, this voltage regulator is also suitable for battery-operated applications, and has low noise output, which makes it suitable for applications that need high speed operation. Furthermore, it also has protection features, such as overload protection, over-temperature protection, and dropout protection, making it a suitable option for applications with low quiescent current requirements.

Working Principle

The TPS76801QPWPRG4 works on the principle of linear regulation. It uses an internal linear pass transistor to regulate the output voltage by converting the current into voltage. The voltage across the pass transistor is proportional to the control pin voltage. A resistive feedback system is also present to supply the required feedback to the linear regulator, which maintains the output voltage within the desired range. The regulator also has an internal current limit, which helps in protecting the device from over-current.

Apart from these, the TPS76801QPWPRG4 also features two shutdown modes - active high and active low. The active high mode shuts down the output when the SHDN pin is driven high. On the other hand, in active low mode, the output is disabled when the SHDN pin is drivenlow. In both cases, a pull-up/pull-down resistor should be used as required.

The TPS76801QPWPRG4 also features an integrated thermal shut down protection circuit, which helps in protecting the device from overheating by automatically shutting down the output voltage when the core temperature of the device exceeds the thermal shut down threshold.

In addition to this, the TPS76801QPWPRG4 also features low power standby mode, which helps in reducing the quiescent current when the output voltage is disabled. This feature helps in making the device more energy-efficient by consuming less power when in standby mode.

Furthermore, the TPS76801QPWPRG4 also has reverse-battery protection, which prevents any damage to the device due to reverse battery connection.

Conclusion

In conclusion, the TPS76801QPWPRG4 is a low-cost, high-efficiency, high performance and temperature grade voltage regulator designed for a wide range of applications. It features a wide input voltage range, a low quiescent current, adjustable output voltage, low noise output, protection features, active high/low shutdown modes, thermal shut down protection, low power standby mode, and reverse-battery protection. The TPS76801QPWPRG4 is suitable for precision applications, including handheld devices, digital cameras, mobile phones, laptops, and tablets.

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