TPS2147IDGQR

Product Overview

Category

The TPS2147IDGQR belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for power management applications in electronic devices.

Characteristics

• The TPS2147IDGQR is a highly efficient and compact power switch.
• It offers protection features such as overcurrent and thermal shutdown.
• This IC has low on-resistance, enabling minimal power loss during operation.
• It supports a wide input voltage range, making it suitable for various applications.

Package

The TPS2147IDGQR is available in a small-outline, thin package (8-pin VSSOP).

Essence

The essence of the TPS2147IDGQR lies in its ability to efficiently control power flow in electronic devices, ensuring optimal performance and protection.

Packaging/Quantity

This product is typically packaged in reels, with 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 0V to VIN
• Maximum Continuous Current: 1.5A
• On-Resistance: 50mΩ (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TPS2147IDGQR features the following pin configuration:

1. EN (Enable): Controls the power switch operation.
2. GND (Ground): Connected to the ground reference.
3. IN (Input): Receives the input voltage.
4. PG (Power Good): Indicates the output voltage status.
5. OUT (Output): Provides the regulated output voltage.
6. FB (Feedback): Connects to an external resistor for voltage regulation.
7. SS (Soft Start): Controls the soft start time.
8. VCC (Voltage Supply): Supplies power to the IC.

Functional Features

• Overcurrent Protection: The TPS2147IDGQR automatically shuts off when the current exceeds the specified limit, preventing damage to the device.
• Thermal Shutdown: In case of excessive temperature, the IC shuts down to avoid overheating and potential failure.
• Power Good Indicator: The PG pin provides a signal indicating the output voltage status, ensuring proper power delivery.
• Soft Start Functionality: The SS pin controls the soft start time, gradually ramping up the output voltage to prevent sudden surges.

Advantages and Disadvantages

Advantages

• High efficiency and low power loss due to low on-resistance.
• Wide input voltage range allows for versatile applications.
• Compact package size enables space-saving designs.
• Provides protection against overcurrent and thermal issues.

Disadvantages

• Limited maximum continuous current of 1.5A may not be suitable for high-power applications.
• Requires external components (resistor) for voltage regulation.

Working Principles

The TPS2147IDGQR operates as a power switch by controlling the flow of current from the input to the output. When the EN pin is activated, the IC allows current to pass through from the input to the output. It regulates the output voltage based on the feedback received at the FB pin, which is connected to an external resistor. The device incorporates various protection mechanisms such as overcurrent and thermal shutdown to ensure safe operation.

Detailed Application Field Plans

The TPS2147IDGQR finds applications in various electronic devices that require efficient power management. Some potential application fields include:

1. Mobile Devices: Smartphones, tablets, and portable media players can benefit from the TPS2147IDGQR's compact size and power efficiency.
2. IoT Devices: Internet of Things (IoT) devices often operate on low power and require efficient power management solutions.
3. Wearable Electronics: Fitness trackers, smartwatches, and other wearable devices can utilize the TPS2147IDGQR for power optimization.
4. Consumer Electronics: The IC can be employed in a range of consumer electronics, including digital cameras, gaming consoles, and audio devices.

Detailed and Complete Alternative Models

1. TPS2149IDGQR: Similar to the TPS2147IDGQR, but with a higher maximum continuous current of 2A.
2. TPS2148IDGQR: Offers additional features such as adjustable soft start time and programmable current limit.
3. TPS2146IDGQR: Lower-cost alternative with slightly reduced specifications, suitable for less demanding applications.

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