TPS2021DR

Product Overview

Category

The TPS2021DR belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This product is primarily used for power distribution and protection in electronic devices. It provides a reliable and efficient solution for managing power supply to various components within a system.

Characteristics

• Power distribution and protection
• High efficiency
• Compact package size
• Low power consumption
• Wide operating voltage range

Package

The TPS2021DR is available in a small outline integrated circuit (SOIC) package. This package offers ease of integration into different electronic systems and ensures optimal thermal performance.

Essence

The essence of the TPS2021DR lies in its ability to regulate and protect power supply, ensuring stable and safe operation of electronic devices.

Packaging/Quantity

The TPS2021DR is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0V to VCC
• Maximum Continuous Current: 500mA
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 10µA (typical)

Detailed Pin Configuration

The TPS2021DR has a total of 8 pins, each serving a specific function:

1. EN (Enable): Controls the power distribution function.
2. GND (Ground): Connected to the ground reference of the system.
3. IN (Input): Receives the input voltage from the power source.
4. OUT (Output): Provides regulated output voltage to the load.
5. FLT (Fault): Indicates any fault condition in the power distribution.
6. VCC (Voltage Common Collector): Supplies power to the internal circuitry.
7. PG (Power Good): Indicates that the output voltage is within the specified range.
8. STAT (Status): Provides additional status information about the device.

Functional Features

• Overcurrent protection: The TPS2021DR incorporates overcurrent protection, safeguarding the load and the IC from excessive current flow.
• Undervoltage lockout: It ensures that the output voltage remains within a safe range by disabling the power distribution when the input voltage falls below a certain threshold.
• Fault detection: The FLT pin provides an indication of any fault condition, allowing for timely troubleshooting and system recovery.
• Power sequencing: The TPS2021DR supports power sequencing, enabling controlled power-up and power-down sequences for different components in a system.

Advantages and Disadvantages

Advantages

• Efficient power distribution and protection
• Compact package size for easy integration
• Wide operating voltage range allows for versatile applications
• Low power consumption contributes to energy efficiency
• Fault detection feature enhances system reliability

Disadvantages

• Limited maximum continuous current may restrict usage in high-power applications
• Temperature limitations may require additional thermal management measures in certain environments

Working Principles

The TPS2021DR operates based on a combination of internal circuitry and control signals. When enabled, it regulates the input voltage and distributes it to the load while monitoring for fault conditions. It ensures that the output voltage remains within the specified range and provides fault indications if necessary.

Detailed Application Field Plans

The TPS2021DR finds application in various electronic devices and systems, including but not limited to: - Mobile phones and tablets - Portable gaming consoles - Wearable devices - Industrial automation equipment - Automotive electronics - Internet of Things (IoT) devices

Detailed and Complete Alternative Models

1. TPS2020DR: Similar to the TPS2021DR, but with a lower maximum continuous current rating of 300mA.
2. TPS2022DR: Similar to the TPS2021DR, but with a higher maximum continuous current rating of 1A.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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