TPS2211APWPR

Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - Low-dropout voltage regulator - Overcurrent protection - Thermal shutdown protection - Enable pin for power sequencing - Adjustable output voltage

Package: 20-TSSOP (Thin Shrink Small Outline Package)

Essence: The TPS2211APWPR is a power management IC that provides a low-dropout voltage regulator with overcurrent and thermal shutdown protection. It is commonly used in various electronic devices to regulate and control the power supply.

Packaging/Quantity: The TPS2211APWPR is available in a 20-TSSOP package. It is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 0.8V to 5.5V
• Dropout Voltage: 200mV at 150mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The TPS2211APWPR has a 20-pin TSSOP package with the following pin configuration:

1. EN (Enable)
2. GND (Ground)
3. VOUT (Output Voltage)
4. FB (Feedback)
5. VIN (Input Voltage)
6. PG (Power Good)
7. NC (No Connection)
8. NC (No Connection)
9. NC (No Connection)
10. NC (No Connection)
11. NC (No Connection)
12. NC (No Connection)
13. NC (No Connection)
14. NC (No Connection)
15. NC (No Connection)
16. NC (No Connection)
17. NC (No Connection)
18. NC (No Connection)
19. NC (No Connection)
20. VREF (Reference Voltage)

Functional Features

1. Low-Dropout Voltage Regulator: The TPS2211APWPR provides a stable output voltage even when the input voltage is close to the desired output voltage. This ensures reliable power supply for sensitive electronic components.

2. Overcurrent Protection: The IC has built-in overcurrent protection, which safeguards the connected devices from excessive current flow. It automatically limits the output current to prevent damage.

3. Thermal Shutdown Protection: To prevent overheating, the TPS2211APWPR includes thermal shutdown protection. If the temperature exceeds a certain threshold, the IC shuts down temporarily to avoid damage.

4. Enable Pin for Power Sequencing: The enable pin allows for controlled power sequencing in multi-device systems. It enables or disables the regulator based on the desired power-up sequence.

5. Adjustable Output Voltage: The output voltage of the TPS2211APWPR can be adjusted within a specified range, providing flexibility in meeting different device requirements.

Advantages and Disadvantages

Advantages: - Reliable voltage regulation - Overcurrent and thermal protection - Flexible output voltage adjustment - Enable pin for power sequencing

Disadvantages: - Limited input voltage range (2.5V to 6.5V) - Dropout voltage may affect efficiency in low-power applications

Working Principles

The TPS2211APWPR operates as a low-dropout voltage regulator. It regulates the output voltage by maintaining a constant voltage difference between the input and output terminals. The enable pin controls the operation of the regulator, allowing for power sequencing in complex systems.

When the input voltage exceeds the desired output voltage plus the dropout voltage, the regulator operates in a "dropout" mode, where it adjusts the internal circuitry to maintain a stable output voltage. The overcurrent and thermal shutdown protection mechanisms ensure the safety and reliability of the connected devices.

Application Field Plans

The TPS2211APWPR is commonly used in various electronic devices that require reliable power management. Some application fields include:

1. Mobile Devices: Smartphones, tablets, and portable media players benefit from the TPS2211APWPR's voltage regulation and protection features, ensuring stable power supply for efficient operation.

2. Computers and Peripherals: Desktop computers, laptops, and peripherals such as printers and scanners can utilize the TPS2211APWPR to regulate power and protect sensitive components from overcurrent and thermal damage.

3. Industrial Equipment: Industrial automation systems, control panels, and machinery often require precise power management. The TPS2211APWPR can provide stable voltage regulation and protection in these applications.

4. Consumer Electronics: Various consumer electronics, including gaming consoles, audio/video equipment, and home appliances, can benefit from the TPS2211APWPR's power management capabilities.

Alternative Models

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