TPS22918DBVR

Product Overview

Category

The TPS22918DBVR belongs to the category of power management integrated circuits (PMICs).

Use

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

Characteristics

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

Package

The TPS22918DBVR is available in a small SOT-23 package, which allows for easy integration into compact electronic designs.

Essence

The essence of the TPS22918DBVR lies in its ability to regulate and control power supply to different components within an electronic device, ensuring optimal performance and energy efficiency.

Packaging/Quantity

The TPS22918DBVR is typically packaged in reels, with each reel containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 1.5V 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 TPS22918DBVR features a total of 5 pins:

1. EN (Enable): This pin is used to enable or disable the power switch.
2. IN (Input): The input voltage is supplied through this pin.
3. OUT (Output): The regulated output voltage is provided through this pin.
4. GND (Ground): This pin is connected to the ground reference.
5. PG (Power Good): This pin provides an indication of the output voltage status.

Functional Features

• Power sequencing capability
• Undervoltage lockout (UVLO) protection
• Soft-start functionality
• Fault detection and reporting

Advantages and Disadvantages

Advantages

• Low power consumption
• Wide input voltage range allows for compatibility with various power sources
• Compact form factor enables integration into space-constrained designs
• Robust overcurrent and overtemperature protection ensures device safety

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 TPS22918DBVR operates by utilizing a power MOSFET switch to control the flow of current from the input to the output. The enable pin (EN) is used to turn the switch on or off, allowing for efficient power management.

Detailed Application Field Plans

The TPS22918DBVR finds application in a wide range of electronic devices, including but not limited to: - Mobile phones - Tablets - Portable gaming consoles - Wearable devices - IoT devices

In these applications, the TPS22918DBVR can be used to regulate power supply to various components such as microprocessors, memory modules, sensors, and communication modules.

Detailed and Complete Alternative Models

1. TPS22919DBVR: Similar to the TPS22918DBVR, but with a higher maximum load current of 3A.
2. TPS22917DBVR: Similar to the TPS22918DBVR, but with a lower maximum load current of 1A.
3. TPS22916DBVR: Similar to the TPS22918DBVR, but with a lower maximum load current of 500mA.

These alternative models offer different load current capabilities, allowing for greater flexibility in selecting the appropriate PMIC for specific application requirements.

Note: The above information is based on the datasheet provided by the manufacturer. It is recommended to refer to the latest datasheet for accurate and up-to-date information.

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