TPS2553DRVT

Product Overview

Category

The TPS2553DRVT 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 various electronic devices and systems.

Characteristics

• The TPS2553DRVT is a high-performance, adjustable current-limiting power-distribution switch.
• It offers a wide input voltage range, making it suitable for a variety of applications.
• The device provides overcurrent protection and can limit the output current to a safe level.
• It features a low on-resistance, minimizing power loss and maximizing efficiency.
• The TPS2553DRVT has a thermal shutdown feature that protects the device from overheating.

Package and Quantity

The TPS2553DRVT is available in a small outline package (SOT-23) with three pins. It is typically sold in reels or tubes containing a specified quantity, such as 3000 units per reel.

Specifications

• Input Voltage Range: 2.7V to 18V
• Output Voltage Range: 0V to V_IN
• Adjustable Current Limit Range: 50mA to 1.5A
• On-Resistance: 80mΩ (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The TPS2553DRVT has three pins:

1. VIN: This pin is connected to the input voltage source.
2. EN: The enable pin is used to control the operation of the device.
3. VOUT: This pin provides the regulated output voltage.

Functional Features

• Overcurrent Protection: The TPS2553DRVT limits the output current to prevent damage to the load and the device itself.
• Thermal Shutdown: If the device temperature exceeds a certain threshold, it shuts down to avoid overheating.
• Adjustable Current Limit: The current limit can be adjusted within a specified range to suit different applications.
• Fast Response Time: The TPS2553DRVT quickly reacts to overcurrent conditions, ensuring prompt protection.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile application possibilities.
• Adjustable current limit provides flexibility in various load scenarios.
• Low on-resistance minimizes power loss and enhances efficiency.
• Thermal shutdown feature protects the device from overheating.

Disadvantages

• Limited output current range may not be suitable for high-power applications.
• SOT-23 package may require additional thermal management for certain use cases.

Working Principles

The TPS2553DRVT operates by monitoring the current flowing through the load. When the current exceeds the set limit, the device reduces the output voltage to maintain the current at a safe level. It achieves this by controlling the internal MOSFET switch connected between the input and output pins.

Detailed Application Field Plans

The TPS2553DRVT finds applications in various electronic systems, including but not limited to: - Portable devices (e.g., smartphones, tablets) for power distribution and protection. - Battery-powered equipment to prevent overcurrent situations. - Industrial automation systems requiring adjustable current limits. - Automotive electronics for load protection and power management.

Alternative Models

1. TPS2553DRCR: Similar to TPS2553DRVT but available in a smaller chip-scale package (6-bump DSBGA).
2. TPS2553DRVR: Same specifications as TPS2553DRVT but offered in a different package (SOT-23-5).

These alternative models provide similar functionality and can be considered based on specific design requirements.

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