TPS2048ADR

Product Overview

Category

The TPS2048ADR belongs to the category of power distribution switches.

Use

It is primarily used for controlling the distribution of power in electronic circuits.

Characteristics

• High efficiency
• Low quiescent current
• Overcurrent protection
• Thermal shutdown protection

Package

The TPS2048ADR comes in a small outline package (SOIC) with eight pins.

Essence

The essence of the TPS2048ADR lies in its ability to efficiently distribute power while providing protection against overcurrent and thermal shutdown.

Packaging/Quantity

The TPS2048ADR is typically packaged in reels, with 2500 units per reel.

Specifications

• Input voltage range: 2.7V to 5.5V
• Output voltage range: 0V to Vcc
• Maximum continuous current: 1.5A
• Quiescent current: 20µA
• Operating temperature range: -40°C to +85°C

Pin Configuration

The TPS2048ADR has the following pin configuration:

```

---

| | --| EN | --| IN | --| OUT | --| GND | --| FLT | --| ILIM | --| PG | |___________| ```

• EN: Enable pin
• IN: Input voltage pin
• OUT: Output voltage pin
• GND: Ground pin
• FLT: Fault indicator pin
• ILIM: Current limit setting pin
• PG: Power good indicator pin

Functional Features

1. Overcurrent Protection: The TPS2048ADR incorporates overcurrent protection, which prevents excessive current flow and protects the circuit from damage.
2. Thermal Shutdown Protection: It also features thermal shutdown protection, which safeguards the device from overheating by shutting it down when the temperature exceeds a certain threshold.
3. Low Quiescent Current: The TPS2048ADR has a low quiescent current, minimizing power consumption when the device is in standby mode.
4. Power Good Indicator: The PG pin provides an indication of the output voltage status, ensuring proper power distribution.

Advantages and Disadvantages

Advantages

• High efficiency power distribution
• Protection against overcurrent and thermal shutdown
• Low power consumption in standby mode

Disadvantages

• Limited maximum continuous current (1.5A)

Working Principles

The TPS2048ADR works by monitoring the input voltage and controlling the distribution of power to the output based on the enable signal. It incorporates overcurrent protection by continuously monitoring the output current and limiting it to a safe level. Additionally, the device features thermal shutdown protection, which activates when the temperature exceeds a specified threshold, preventing damage due to overheating.

Detailed Application Field Plans

The TPS2048ADR finds applications in various fields, including:

1. Portable electronic devices: It can be used in smartphones, tablets, and portable gaming consoles to control power distribution and protect against overcurrent.
2. Industrial automation: The TPS2048ADR can be employed in industrial automation systems to regulate power supply and prevent damage caused by excessive current flow.
3. Automotive electronics: It can be utilized in automotive applications to manage power distribution and ensure the safety of electrical components.

Detailed and Complete Alternative Models

1. TPS2041ADR: Similar to the TPS2048ADR, but with a lower maximum continuous current rating of 1A.
2. TPS2052ADR: A higher-rated alternative with a maximum continuous current of 2.5A.
3. TPS2066ADR: Offers multiple channels for power distribution with a maximum continuous current of 1.5A per channel.

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

In conclusion, the TPS2048ADR is a power distribution switch that offers high efficiency, overcurrent protection, and thermal shutdown protection. It finds applications in portable electronic devices, industrial automation, and automotive electronics. While it has a limited maximum continuous current, there are alternative models available with different current ratings to cater to specific needs.