TPS76850QPWPR

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TPS76850QPWPR Application Field & Working Principle

TPS76850QPWPR is a high-performance linear voltage regulator device manufactured by Texas Instruments. It belongs to the family of Power management integrated circuits (PMIC) Voltage Regulators - Linear. This particular device is suitable for a wide range of applications, making it a very versatile device. Its most common uses are in automotive, consumer and industrial applications, where reliable power management solutions are required.

Features

• High efficiency: 97% typ at Vin=5V and Vout=3.3V
• Wide voltage range input: 4.5V to 18V
• Wide voltage range output: 0.8V to 5.5V
• Up to 6A output current
• 30ns Load Transient Response
• Low quiescent current – 110uA typ
• Soft start function
• Protection against over-temperature, over-current and open-load faults
• Integrated power MOSFET

Applications

TPS76850QPWPR has a wide range of applications in automotive, consumer and industrial applications. Few of its common applications include:

• Power supplies in laptop, tablet and smartphone
• Automotive and industrial power systems
• Industrial and medical equipment
• Embedded systems
• Power management for FPGA and DSP
• Battery chargers

Working Principle

TPS76850QPWPR is a linear voltage regulator which works on the principle of maintaining a constant output voltage across its terminals when load is connected. It has an integrated power MOSFET which works as a switch, enabling the device to maintain a constant voltage output when the load is connected.

The device uses a feedback loop to regulate the output voltage. It consists of a voltage reference, an error amplifier, a current sensing and a divider network. The output voltage is compared to the reference voltage using the error amplifier, and the output PWM will be adjusted based on this comparison. If the voltage deviates from the reference, the output PWM is adjusted to bring back the voltage to the desired output. This process is known as voltage regulation.

Conclusion

The TPS76850QPWPR is a versatile and high-performance linear voltage regulator, suitable for a wide variety of applications. It provides an efficient and accurate way to regulate the output voltage, ensuring reliable and stable power supply.

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