TPS70145PWPR

Overview

Category: Integrated Circuits (ICs)

Use: Voltage Regulator

Characteristics: - High Efficiency - Low Dropout Voltage - Adjustable Output Voltage - Overcurrent Protection - Thermal Shutdown Protection

Package: HTSSOP-20

Essence: The TPS70145PWPR is a voltage regulator IC that provides a regulated output voltage with high efficiency and low dropout voltage. It is commonly used in various electronic devices to ensure stable power supply.

Packaging/Quantity: The TPS70145PWPR is available in a HTSSOP-20 package, which contains one IC per package.

Specifications

• Input Voltage Range: 2.7V to 6.5V
• Output Voltage Range: 0.8V to 5.5V
• Output Current: Up to 1.5A
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 60µA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The TPS70145PWPR has the following pin configuration:

```

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| | | GND | |___________| | | | EN | |___________| | | | FB/ADJ | |___________| | | | VIN | |___________| | | | VOUT | |___________| | | | PG | |___________| ```

Functional Features

• High Efficiency: The TPS70145PWPR offers high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: With a low dropout voltage of 200mV, the IC can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The output voltage can be adjusted within the range of 0.8V to 5.5V, providing flexibility for different applications.
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the circuit from excessive current flow.
• Thermal Shutdown Protection: In case of excessive temperature, the thermal shutdown feature activates, preventing damage to the IC.

Advantages and Disadvantages

Advantages: - High efficiency - Low dropout voltage - Adjustable output voltage - Overcurrent and thermal protection

Disadvantages: - Limited output current (up to 1.5A)

Working Principles

The TPS70145PWPR operates as a linear voltage regulator. It takes an input voltage within the specified range and regulates it to provide a stable output voltage. The internal circuitry ensures that the output voltage remains constant despite variations in the input voltage or load conditions. The IC achieves high efficiency by minimizing power dissipation during regulation.

Detailed Application Field Plans

The TPS70145PWPR finds applications in various electronic devices where a stable and regulated power supply is required. Some common application fields include:

1. Mobile Devices: The IC can be used in smartphones, tablets, and other portable devices to regulate the voltage supplied to the internal components, ensuring their proper functioning.

2. Industrial Control Systems: In industrial control systems, the TPS70145PWPR can be utilized to provide a stable power source for sensors, actuators, and other critical components.

3. Automotive Electronics: The IC can be employed in automotive electronics, such as infotainment systems, navigation units, and engine control modules, to ensure reliable power supply under varying operating conditions.

4. IoT Devices: With the increasing popularity of IoT devices, the TPS70145PWPR can be integrated into smart home devices, wearables, and other IoT applications to maintain a consistent power output.

Detailed and Complete Alternative Models

1. TPS70102PWPR: Similar to TPS70145PWPR, but with a lower output current capability (up to 1A).
2. TPS70112PWPR: Similar to TPS70145PWPR, but with a higher output current capability (up to 2A).
3. TPS70125PWPR: Similar to TPS70145PWPR, but with a different output voltage range (1.2V to 5.5V).

These alternative models provide options with varying specifications to suit different application requirements.

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