TPS2048DR

Product Overview

Category: Integrated Circuits (ICs)

Use: Power Distribution Switches

Characteristics: - High-side power switches - Overcurrent and overtemperature protection - Low quiescent current - Wide input voltage range - Fast short-circuit response time

Package: SOIC-8

Essence: TPS2048DR is a high-side power distribution switch designed for applications requiring precision current limiting and thermal shutdown protection. It provides a complete protection solution for sensitive electronic systems.

Packaging/Quantity: TPS2048DR is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Continuous Current Limit: 1.5A
• Short-Circuit Current Limit: 2.5A
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The TPS2048DR package consists of 8 pins:

1. EN (Enable): Enable pin for turning the switch on or off.
2. IN (Input): Input voltage supply pin.
3. GND (Ground): Ground reference pin.
4. OUT (Output): Output voltage supply pin.
5. FLT (Fault): Fault indication pin.
6. NC (No Connection): No connection pin.
7. NC (No Connection): No connection pin.
8. NC (No Connection): No connection pin.

Functional Features

• Overcurrent Protection: The TPS2048DR incorporates an internal current-limiting circuitry that protects the device and the load from excessive currents.
• Overtemperature Protection: The device features a thermal shutdown circuit that disables the switch when the junction temperature exceeds the specified limit.
• Fast Short-Circuit Response Time: The TPS2048DR quickly shuts off the switch in case of a short circuit, minimizing potential damage to the load.

Advantages and Disadvantages

Advantages: - Precise current limiting and thermal shutdown protection - Low quiescent current consumption - Wide input voltage range for versatile applications - Fast response time for short-circuit protection

Disadvantages: - Limited continuous current capacity (1.5A) - Operating temperature range may not be suitable for extreme environments

Working Principles

The TPS2048DR is designed as a high-side power switch that controls the flow of current from the input to the output. It utilizes internal circuitry to monitor the current and temperature conditions. When an overcurrent or overtemperature condition is detected, the switch is disabled to protect the device and the load.

Detailed Application Field Plans

The TPS2048DR is commonly used in various electronic systems where precision current limiting and thermal protection are required. Some application fields include:

1. Battery-powered devices: The TPS2048DR can be used to control the power supply to different components in portable devices, ensuring efficient power management and protection against excessive currents.
2. Industrial automation: The switch can be employed in industrial control systems to regulate power distribution and protect sensitive equipment from overcurrent and overtemperature conditions.
3. Automotive electronics: The TPS2048DR finds applications in automotive systems, such as infotainment systems and lighting controls, providing reliable power switching and protection.

Detailed and Complete Alternative Models

1. TPS2041DR: Similar to TPS2048DR but with a lower continuous current limit of 0.5A.
2. TPS2042DR: Similar to TPS2048DR but with a lower continuous current limit of 0.7A.
3. TPS2044DR: Similar to TPS2048DR but with a lower continuous current limit of 1.0A.
4. TPS2046DR: Similar to TPS2048DR but with a lower continuous current limit of 1.2A.

These alternative models provide options with different current limits to suit specific application requirements.

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