TPS22918DBVT

Product Overview

Category

The TPS22918DBVT belongs to the category of power management integrated circuits (PMICs).

Use

This PMIC is designed to provide an efficient and reliable power management solution for various electronic devices.

Characteristics

• Low quiescent current consumption
• Wide input voltage range
• Overcurrent and overtemperature protection
• Fast response time
• Small form factor

Package

The TPS22918DBVT comes in a small SOT-23 package, which is suitable for space-constrained applications.

Essence

The essence of the TPS22918DBVT lies in its ability to regulate and distribute power efficiently, ensuring optimal performance and reliability of electronic devices.

Packaging/Quantity

The TPS22918DBVT is typically packaged in reels containing 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 0V to V_IN
• Quiescent Current: 10µA (typical)
• Operating Temperature Range: -40°C to +85°C
• Maximum Load Current: 2A

Detailed Pin Configuration

The TPS22918DBVT has the following pin configuration:

1. EN (Enable): Controls the power switch.
2. IN (Input): Connects to the input voltage source.
3. GND (Ground): Common ground reference.
4. OUT (Output): Connects to the load.

Functional Features

• Power Switch Control: The EN pin allows for easy control of the power switch, enabling efficient power management.
• Overcurrent and Overtemperature Protection: The TPS22918DBVT incorporates built-in protection mechanisms to safeguard against excessive current and temperature levels, ensuring device safety.
• Fast Response Time: The PMIC offers a quick response time, minimizing power disruptions and enhancing overall system performance.

Advantages and Disadvantages

Advantages

• Low quiescent current consumption helps conserve power.
• Wide input voltage range allows for compatibility with various power sources.
• Overcurrent and overtemperature protection ensures device safety.
• Small form factor enables integration into space-constrained designs.

Disadvantages

• Limited maximum load current may not be suitable for high-power applications.
• Lack of adjustable output voltage limits flexibility in certain scenarios.

Working Principles

The TPS22918DBVT operates by controlling the power switch based on the state of the EN pin. When enabled, the power switch connects the input voltage source to the load, allowing power to flow. The PMIC continuously monitors the load current and temperature, activating the built-in protection mechanisms if these parameters exceed safe limits.

Detailed Application Field Plans

The TPS22918DBVT finds application in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable gaming consoles - Wearable devices - IoT devices

In these applications, the PMIC efficiently manages power distribution, ensuring stable operation and prolonging battery life.

Detailed and Complete Alternative Models

1. TPS22919DBVT: Similar to the TPS22918DBVT, but with a higher maximum load current of 3A.
2. TPS22920DBVT: Offers adjustable output voltage, providing greater flexibility in voltage regulation.
3. TPS22921DBVT: Features an integrated LDO (Low Dropout Regulator) for additional voltage regulation capabilities.

These alternative models offer different specifications and features, allowing designers to choose the most suitable option for their specific requirements.

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