TPS2550DBVT

Product Overview

Category

The TPS2550DBVT belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This IC is primarily used for power distribution and protection in various electronic devices and systems.

Characteristics

• The TPS2550DBVT is a high-performance, precision power-distribution switch.
• It offers a low ON-state resistance, ensuring minimal voltage drop across the switch.
• The device provides overcurrent protection, preventing damage to downstream components.
• It has a wide input voltage range, making it suitable for diverse applications.
• The IC operates with low quiescent current, minimizing power consumption.

Package

The TPS2550DBVT is available in a small SOT-23 package, which is widely used for surface-mount applications.

Essence

The essence of the TPS2550DBVT lies in its ability to efficiently distribute and protect power in electronic systems, ensuring reliable operation and preventing damage from excessive current.

Packaging/Quantity

The TPS2550DBVT is typically sold in reels or tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Maximum Continuous Current: 1.5A
• ON-State Resistance: 70mΩ (typical)
• Quiescent Current: 10µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TPS2550DBVT features the following pin configuration:

1. EN (Enable): Controls the ON/OFF state of the switch.
2. IN (Input): Connects to the power supply voltage source.
3. OUT (Output): Connects to the load or downstream circuitry.
4. GND (Ground): Common ground reference for the IC.

Functional Features

• Overcurrent Protection: The TPS2550DBVT incorporates a current-limiting feature that protects the load and downstream components from excessive current.
• Fast Response Time: The IC quickly responds to changes in the input voltage, ensuring efficient power distribution.
• Low Voltage Drop: With its low ON-state resistance, the TPS2550DBVT minimizes voltage drop across the switch, maximizing power efficiency.
• Thermal Shutdown: In case of excessive temperature, the IC automatically shuts down to prevent damage.

Advantages and Disadvantages

Advantages

• Efficient power distribution and protection
• Wide input voltage range
• Low quiescent current
• Small package size for space-constrained applications

Disadvantages

• Limited maximum continuous current capacity
• Requires external control signal for enabling/disabling the switch

Working Principles

The TPS2550DBVT operates as a power-distribution switch by controlling the flow of current between the input and output pins. When the enable pin (EN) is high, the switch is turned on, allowing current to flow from the input to the output. Conversely, when the enable pin is low, the switch is turned off, interrupting the current path.

The IC also incorporates overcurrent protection, which limits the current flowing through the switch. If the current exceeds the specified limit, the IC quickly reduces the current to protect the load and downstream components.

Detailed Application Field Plans

The TPS2550DBVT finds application in various electronic devices and systems, including but not limited to: - Portable electronic devices (e.g., smartphones, tablets) - Battery-powered devices - Industrial automation systems - Automotive electronics - Power management modules

Detailed and Complete Alternative Models

1. TPS2550DRVR: Similar to TPS2550DBVT, but available in a small SOT-23 package.
2. TPS2550DRVRG4: Similar to TPS2550DRVR, but with an extended temperature range.

These alternative models offer similar functionality and characteristics, providing flexibility for different application requirements.

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