TPS77601PWPG4

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

TPS77601PWPG4 application field and working principle

When it comes to creating reliable, low-power solutions, power management integrated circuits (PMICs) offer valuable performance characteristics that can help boost system efficiency. The TPS77601PWPG4 is a type of PMIC specifically designed to address the needs of mobile and portable applications. It is part of Texas Instruments’ TPS series, a family of power management solutions that provide superior quality control and energy efficiency.

The TPS77601PWPG4 is an ultra-low power, fixed 1.8V linear regulator, specially designed for portable and low-power system applications. The device integrates current-limiting and thermal-shutdown circuitry to provide maximum protection. The device is capable of delivering up to 600mA output current to the system with excellent load and line transient specifications, making it suitable for use in a wide range of applications.

Key Features

• Input Voltage Range: 1.7V to 6.5V
• Output Voltage: 1.8V
• Output Current: 600mA
• Dropout Voltage: 550mV
• Current Limit: 1.4A
• Enable Pin:Soft-Start
• Operating Temperature Range: –40°C to +85°C

Applications

• Cellular Phones
• Digital Cameras
• Docking stations
• Hard disk drives
• Portable medical equipment
• Personal digital assistants (PDAs)
• Portable GPS units
• Tablet PCs
• USB hubs
• Wireless speakers

Working Principle

The TPS77601PWPG4 is a low-power linear regulator that operates by controlling its output voltage in relation to its input voltage. If the output voltage is higher than its input voltage, the regulator will begin dissipating power into the load. The power dissipated is equal to the difference in the input and output voltage, multiplied by the current going through the regulator. It is this dissipation that is the key factor in both the power performance and maximum load current.

The TPS77601PWPG4 utilizes a two-stage approach to regulate its output voltage. The first stage is an internal voltage reference, or error amplifier, that senses the output voltage. When the output voltage falls below its setpoint, the error amplifier increases its output voltage, which in turn increases the amount of current being dissipated by the regulator, until the output voltage reaches its setpoint.

The second stage of the regulator takes the signal from the error amplifier and uses it to control the gate voltage of the internal pass transistor, which then controls the amount of power being dissipated by regulating the amount of current flow through the pass transistor.

The TPS77601PWPG4 also contains an internal current limit, thermal shutdown, and enable input protection circuitry to ensure safe operation. The current limit is set at 1.4A, and the enable pin can be used to disable the regulator. The thermal shutdown circuitry will shut down the regulator if the die temperature reaches a predetermined point.

Conclusion

The TPS77601PWPG4 is a low-power, ultra-low-dropout linear regulator that is ideal for mobile and portable system applications. It features a wide input voltage range, a 1.8V fixed output voltage, and up to 600mA of output current. The device also features protection features such as current limit and thermal shutdown circuitry, making it a reliable and efficient choice for power management.

The specific data is subject to PDF, and the above content is for reference