TPS2051BDBVTG4

Product Overview

Category

The TPS2051BDBVTG4 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 electronic systems. It provides a convenient solution for managing power supply to various components within a system.

Characteristics

• The TPS2051BDBVTG4 is a high-performance power-distribution switch.
• It offers a low ON-state resistance, ensuring minimal voltage drop across the switch.
• This device supports a wide input voltage range, making it suitable for diverse applications.
• It features overcurrent and thermal protection, safeguarding the system from potential damage.
• The TPS2051BDBVTG4 has a compact package, enabling easy integration into space-constrained designs.

Package and Quantity

The TPS2051BDBVTG4 is available in a small SOT-23 package. It is typically sold in reels, with each reel containing a specific quantity of devices. The exact quantity per reel may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Maximum Continuous Current: 500mA
• ON-State Resistance: 100mΩ (typical)
• Operating Temperature Range: -40°C to +85°C
• Power Dissipation: 400mW

Pin Configuration

The TPS2051BDBVTG4 has five pins arranged as follows:

```

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| | --| EN OUT |-- --| GND IN |-- --| FLT FB |-- |___________| ```

1. EN: Enable pin for controlling the switch operation.
2. OUT: Output pin for connecting to the load.
3. GND: Ground reference pin.
4. IN: Input pin for connecting to the power source.
5. FLT: Fault flag output pin indicating overcurrent or thermal shutdown conditions.

Functional Features

• Overcurrent Protection: The TPS2051BDBVTG4 incorporates an internal current-limiting circuitry that protects the system from excessive currents, preventing damage to the load and the switch itself.
• Thermal Protection: This device includes a built-in thermal shutdown feature that activates when the junction temperature exceeds a specified threshold, ensuring safe operation under high-temperature conditions.
• Fast Response Time: The TPS2051BDBVTG4 offers a quick response time to fault conditions, minimizing the impact on the system and reducing the risk of damage.
• Low Power Consumption: In standby mode, this power-distribution switch consumes minimal power, contributing to overall energy efficiency.

Advantages and Disadvantages

Advantages

• Compact package allows for easy integration into space-constrained designs.
• Wide input voltage range enables versatility in various applications.
• Overcurrent and thermal protection ensure system safety.
• Low ON-state resistance minimizes voltage drop across the switch.

Disadvantages

• Maximum continuous current limited to 500mA, which may not be sufficient for high-power applications.
• Limited number of pins restricts the number of connections that can be made.

Working Principles

The TPS2051BDBVTG4 operates as a power-distribution switch by controlling the flow of current between the input and output pins. When the enable pin (EN) is activated, the switch turns on, allowing current to flow from the input (IN) to the output (OUT). In case of overcurrent or thermal shutdown, the fault flag (FLT) is triggered, indicating a fault condition.

Detailed Application Field Plans

The TPS2051BDBVTG4 finds applications in various electronic systems, including but not limited to: - Portable devices such as smartphones and tablets - Battery-powered systems - Industrial control systems - Automotive electronics - IoT devices

Detailed Alternative Models

• TPS2052BDBVTG4: Similar to the TPS2051BDBVTG4, but with a higher maximum continuous current rating of 700mA.
• TPS2065CDBVR: A power-distribution switch with an integrated load switch, offering additional features such as adjustable current limit and reverse-current blocking.

Please note that the above alternative models are provided for reference and may have different specifications and pin configurations. It is recommended to consult the respective datasheets for detailed information.

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