TPS2054DR

Product Overview

Category: Integrated Circuit (IC)

Use: Power Distribution Switch

Characteristics: - High-side power switch - Overcurrent protection - Thermal shutdown protection - Low quiescent current - Wide input voltage range

Package: SOIC (Small Outline Integrated Circuit)

Essence: TPS2054DR is a high-side power distribution switch designed to provide overcurrent and thermal protection for various applications.

Packaging/Quantity: TPS2054DR is available in a standard SOIC package. The quantity per package may vary depending on the supplier.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Continuous Current Limit: 500mA
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 20µA (typical)
• Overcurrent Threshold: 750mA (typical)
• Thermal Shutdown Temperature: 165°C (typical)

Detailed Pin Configuration

TPS2054DR has a total of 8 pins:

1. EN (Enable): Enable pin for controlling the power switch.
2. IN (Input): Input voltage supply pin.
3. GND (Ground): Ground reference pin.
4. OUT (Output): Output voltage pin.
5. FLT (Fault): Fault indication pin.
6. NC (No Connection): No connection pin.
7. NC (No Connection): No connection pin.
8. PG (Power Good): Power good indication pin.

Functional Features

• Overcurrent Protection: TPS2054DR incorporates overcurrent protection, which limits the output current to prevent damage to the circuitry.
• Thermal Shutdown Protection: The device includes thermal shutdown protection, which disables the power switch when the temperature exceeds a certain threshold.
• Low Quiescent Current: TPS2054DR has a low quiescent current, minimizing power consumption when the switch is in the off state.
• Wide Input Voltage Range: The device supports a wide input voltage range, making it suitable for various applications.

Advantages and Disadvantages

Advantages: - Provides overcurrent and thermal protection - Low power consumption - Wide input voltage range allows for versatile use

Disadvantages: - Limited continuous current limit (500mA) - May require additional external components for certain applications

Working Principles

TPS2054DR operates as a high-side power switch. When the enable pin (EN) is activated, the device allows current to flow from the input pin (IN) to the output pin (OUT). It continuously monitors the current flowing through and provides overcurrent protection by limiting the output current. Additionally, the device incorporates thermal shutdown protection to prevent overheating.

Detailed Application Field Plans

TPS2054DR can be used in various applications that require power distribution and protection. Some potential application fields include: - Portable electronic devices - Battery-powered systems - USB power switches - Industrial automation - Automotive electronics

Detailed and Complete Alternative Models

1. TPS2051DR: Similar to TPS2054DR but with a lower continuous current limit of 100mA.
2. TPS2052DR: Similar to TPS2054DR but with a lower continuous current limit of 250mA.
3. TPS2053DR: Similar to TPS2054DR but with a lower continuous current limit of 400mA.
4. TPS2065DR: Power distribution switch with higher continuous current limit of 1.5A.

(Note: This list is not exhaustive and there may be other alternative models available in the market.)

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