TPS2554DRCR

Product Overview

Category

The TPS2554DRCR 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 TPS2554DRCR is a highly efficient power distribution switch with built-in protection features.
• It offers low on-resistance, ensuring minimal voltage drop across the switch.
• The device operates over a wide input voltage range, making it suitable for diverse applications.
• It provides overcurrent and overtemperature protection, safeguarding connected devices from potential damage.
• The TPS2554DRCR has a fast response time, enabling quick shutdown in case of fault conditions.

Package

The TPS2554DRCR is available in a small outline package (SOIC) with eight pins. This package type ensures easy integration into circuit boards.

Essence

The essence of the TPS2554DRCR lies in its ability to efficiently distribute power while offering protection against faults, thereby enhancing the reliability of electronic systems.

Packaging/Quantity

The TPS2554DRCR is typically sold in reels containing 2500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 6.5V
• On-Resistance: 40mΩ (typical)
• Overcurrent Protection Threshold: Adjustable
• Overtemperature Protection Threshold: Adjustable
• Quiescent Current: 20µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TPS2554DRCR has the following pin configuration:

1. EN (Enable): Controls the ON/OFF state of the power switch.
2. IN (Input): Connects to the input voltage source.
3. GND (Ground): Common ground reference for the device.
4. PG (Power Good): Provides an indication of the output voltage status.
5. OUT (Output): Connects to the load or downstream circuitry.
6. FB (Feedback): Used to set the overcurrent and overtemperature protection thresholds.
7. SS (Soft Start): Controls the soft start time of the device.
8. FLT (Fault): Indicates the occurrence of a fault condition.

Functional Features

• Overcurrent Protection: The TPS2554DRCR monitors the current flowing through the power switch and shuts it off if the current exceeds the set threshold.
• Overtemperature Protection: The device incorporates temperature sensing to prevent overheating, automatically disabling the power switch when the temperature rises above the specified limit.
• Power Good Indicator: The PG pin provides a signal indicating whether the output voltage is within the acceptable range.
• Soft Start Functionality: The SS pin allows for a controlled ramp-up of the output voltage during startup, reducing inrush current.
• Fault Detection: The FLT pin signals the occurrence of a fault condition, enabling timely response and system diagnostics.

Advantages and Disadvantages

Advantages

• Efficient power distribution with low voltage drop.
• Built-in protection features enhance system reliability.
• Wide input voltage range accommodates various applications.
• Fast response time ensures quick fault detection and shutdown.

Disadvantages

• Limited to a maximum input voltage of 6.5V.
• Requires external components for proper operation.

Working Principles

The TPS2554DRCR operates by monitoring the input current and temperature. It compares these values against the user-defined thresholds set using the FB pin. If the current or temperature exceeds the set limits, the device disables the power switch, protecting the connected devices from potential damage.

Detailed Application Field Plans

The TPS2554DRCR finds applications in various electronic systems, including but not limited to: - Portable devices such as smartphones, tablets, and portable gaming consoles. - Industrial control systems and automation equipment. - Battery-powered devices like digital cameras and handheld medical devices. - Automotive electronics for power distribution and protection.

Detailed and Complete Alternative Models

1. TPS2553DRCR: Similar to the TPS2554DRCR, but with a fixed overcurrent protection threshold.
2. TPS2555DRCR: Offers additional features such as reverse current blocking and adjustable slew rate control.

These alternative models provide similar functionality to the TPS2554DRCR while offering specific variations to suit different application requirements.

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